Schacht, insbesondere Sickerschacht für Mülldeponien

IMPROVEMENTS IN OR RELATING TO A PLASTICS GULLEY

... 1,216,874. Inspection chambers. WAVIN N.V. 27 May, 1968 [26 May, 1967], No. 25175/ 68. Heading E1C. A plastics inspection chamber comprises a cylindrical shaft 5a mounted on a separate, integrally-formed lower part comprising a peripheral wall 16, a channel 2 and "beaching" 3", there being a peripheral lip 17 around the base of the wall 16 on which the shaft is mounted. The shaft has inlet and outlet apertures 19 and 20, and is preferably formed of two layers of fibre-reinforced thermosetting resin with an intermediate, foamed layer. The lower part is preferably formed from a thin, fibre-reinforced thermo-setting resin sheet, and may have a base plate arranged across and under it, attached to the lower surface of the rim 17.

ACCESS TO UNDERGROUND STOPCOCKS

Manholes and inspection chambers

MANHOLE DRAINAGE CHANNELS

MANHOLES AND INSPECTION CHAMBERS

DRAINAGE ACCESS CHAMBER

Method and mould assembly for rotation moulding a pipe part with a spigot end, as well as pipe part obtained therewith

Method and mould assembly for rotation moulding a pipe part with a spigot end, as well as pipe part obtained therewith.

Plastic drain or inspection chamber portion with hollow-walled circumferential wall, as well as mould assembly for thereof.

Method and mould assembly for rotation moulding a pipe part with a spigot end, as well as pipe part obtained therewith.

Method and mould assembly for rotation moulding a pipe part with a spigot end, as well as pipe part obtained therewith.

Plastic drain or inspection chamber portion with hollow-walled circumferential wall, as well as mould assembly for thereof.

FULLLAMINAR ON THERMOPLASTIC PLASTIC PIT GROUNDS AUFGESCHWEIßTE BONDING LAYERS (PLASTIC PROFILE STRIPS AND PLASTIC GRANULATES)

SHAFT RING

Shaft furnace lining

Eine Schachtbodenauskleidung (1), insbesondere für einen Abwasserkanalschacht, hat einen Grundkörper (2), der wenigstens eine Rohranschlussöffnung (7) aufweist. An der Rohranschlussöffnung (7) ist ein rohrförmiges Verbindungsstück (8) aus einem flexiblen Material mit einem ersten Ende (9) befestigt. Das Verbindungsstück (8) ist von einer ersten Stellung, in der es zumindest teilweise in das Innere der Rohranschlussöffnung (7) umgestülpt ist, in eine zweite Stellung, in der es in Verlängerung der Rohranschlussöffnung (7) angeordnet ist und vom Grundkörper (2) weg ragt, elastisch umformbar.

MORE KUNSTSTOFFABZWEIGER FOR CHANNELS

INSPECTION CHAMBER, IN PARTICULAR FOR DRAINAGE PURPOSES

PREFABRICATED PIT GROUND ELEMENT

KUNSTSTOFFABZWEIGER FÜR KANÄLE

Stabilisierungselement für Schachtböden

Schachtboden, insbesondere Abwasserkanalschachtboden, mit einem Stabilisierungselement, wobei das Stabilisierungselement als separates Bauteil derart ausgebildet ist, dass es, am Schachtboden befestigt, mit einem Hauptgerinne einen vorgegebenen Winkel einschließt.

PROCEDURE FOR IN SITU RENOVATION LINING FOR, IT PREFABRICATED BY PITS, IN PARTICULAR WASTE WATER PITS, AND

DRAINAGE INSPECTION CHAMBER

DRAINAGE INSPECTION CHAMBER

WELL

Modular dismountable box

METHOD FOR IN SITU RENOVATION OF A MANHOLE, PARTICULARLY A SEWER MANHOLE, AND PREFABRICATED LINER THEREFORE

There is described a method and a liner for in situ renovation of a sewer manhole, e.g. a transition well, where inside the well there is inserted a prefabricated liner in the shape of a glass fibre reinforced stocking of thermosetting polyester or epoxy formed by winding, weaving or braiding externally of a unilaterally suspended mould with a diameter allowing the mould to be lowered through a manhole curb or cone, the rubber coating consisting of a detachable rubber bag that is fastened to a flange to be displaced externally on the mould, said polyester or epoxy liner being winde d, woven or braided in such a way that the length/diameter ratio of the liner m ay subsequently be changed by changing the length/diameter ratio of the liner a s the polyester or epoxy impregnated glass fibres are connected with said flan ge by the winding, weaving or braiding.

DRAINAGE INSPECTION CHAMBERS

... . In a drainage inspection chamber of the kind having a manhole access and a base with at least one channel in the base extending between an inlet opening and an outlet opening, the base is formed from plastics material and has an integral side wall structure, circular openings in the side wall structure constituting the inlet and outlet openings. Separately formed socket members for receiving inlet and outlet pipes are located at each of the openings, each of the socket member being provided with a resilient sealing member for sealing with the outer surface of a pipe fitted into the socket member, the sealing member also serving simultaneously to seal the socket member with the internal surface of the inspection chamber.

Bausatz aus stapelbaren Bauelementen, insbesondere zum Bauen von Abwasserschächten, Klärbrunnen, Pumpengruben oder dergleichen

INSPECTION CHAMBER, IN PARTICULAR FOR DRAINAGE PURPOSES.

Inspection chamber for a pipeline

It comprises a waterproof thermoplastic internal wall (5, 9, 10) covered with a layer of plastic foam (6, 11, 12). ...

Shaft system for traffic route and mining comprises one-sidedly closed, tubular basic part, ring-shaped intermediate piece applicable to basic part with bevel connection, ring-shaped end piece and ring-shaped compensation parts

The shaft system for traffic routes and mining comprises a one-sidedly closed, tubular basic part (1), a ring-shaped intermediate piece (2) applicable to the basic part with a bevel connection (14,22) and a ring-shaped end piece (3) applicable to the intermediate piece with a bevel connection (25,31). Ring-shaped compensation parts (4) can be applied to the end piece via a bevel connection. The individual parts (1,2,3,4) of the shaft system are made of recycled plastic waste and on their outer periphery in one piece is at least one flange-type ring bulge (12,24). The ring bulge is arranged at the foot of the basic part and in the central area of the intermediate piece.

[...].

Die Erfindung betrifft einen Tiefbauschacht. Der Tiefbauschacht (1) weist eine Seitenwand (2) aus Kunststoff auf sowie eine Abdeckung mit einem Gitterrost (6) und einer Platte (8), welche den Gitterrost (6) bedeckt. Sie ruht auf einem Rahmen (5), den eine den äusseren Umfang der Seitenwand (2) umgebende Zarge (4) trägt. Ein geschlossener Boden (11) ist mit der Seitenwand (2) verschweisst.

Regard pour installations de transport de fluide

Regard pour installations de transport de fluide, par exemple une installation de drainage ou d'egout, du type comportant un fond de regard 1 en matiere plastique a double paroi avec des ouvertures laterales 6 pour y raccorder des entrees et/ou des sorties de fluide, et une ou plusieurs rehausses venant s'adapter sur le fond de regard, caracterise en ce que la paroi inferieure exterieure 4 du fond de regard 1 est munie de creux 10 servant de nervures de renforcement.

TABOURET DE BRANCHEMENT EN MATIERE PLASTIQUE A CORPS ORIENTABLE

L'INVENTION CONCERNE UN DISPOSITIF UTILISABLE NOTAMMENT COMME REGARD DE VISITE OU DE RACCORDEMENT. CE DISPOSITIF DESTINE A ETRE INTERCALE DANS LES CIRCUITS DE DISTRIBUTION OU D'EVACUATION DE FLUIDES, COMPREND UN RECEPTACLE EN DEUX PARTIES, RACCORDEES RESPECTIVEMENT A DES MOYENS D'ENTREE ET DE SORTIE DANS LE OU DU RECEPTACLE, LESDITES PARTIES ETANT REUNIES PAR UNE ZONE DONT LA GEOMETRIE PERMET LA ROTATION D'UNE PARTIE PAR RAPPORT A L'AUTRE. CE DISPOSITIF EST PARTICULIEREMENT UTILISABLE DANS LES CIRCUITS D'EVACUATION D'EAUX USEES.

BRUNN FOR AVLOPPSLEDNINGAR

ANORDNING VID INSPEKTIONSKAMMARE

Abwassersammelschacht aus Kunststoff

Reflektierender Körper mit hoher Lumineszenz

Schacht

Anschlussrohrstutzen aus Kunststoff, insbesondere fuer Abwasserrohre

Schalungsring für einen Hybrid-Auflagering und Hybrid-Auflagering

Schalungsring (1) für die Herstellung eines Hybrid-Auflagerings (10), mit einer Wand (2), die in Wandabschnitte (2.1, 2.2, 2.3, 2.4, 2.5, 2.6, 2.7, 2.8) gegliedert ist, und der einstückig und ringförmig und rotationssymmetrisch zu einer Achse A ausgebildet ist und einen Durchgang (3) aufweist, wobei durch wenigstens einen Wandabschnitt (2.2, 2.7) der Wand (2) eine Ebene E definiert ist, auf der die Achse A senkrecht steht.

Inlay-Körper zur Sanierung der Sohle von Abwässerschächten

Improvements relating to drainage inspection chambers

In a drainage inspection chamber of the kind having a manhole access and a base with at least one channel in the base extending between an inlet opening and an outlet opening, the base is formed from plastics material and has an integral side wall structure, circular openings in the side wall structure constituting the inlet and outlet openings. Separately formed socket members for receiving inlet and outlet pipes are located at each of the openings, each of the socket member being provided with a resilient sealing member for sealing with the outer surface of a pipe fitted into the socket member, the sealing member also serving simultaneously to seal the socket member with the internal surface of the inspection chamber.

Ground surface access assembly arrangements

DRAINAGE INSPECTION CHAMBER

PIT OR CONTAINER

VORGEFERTIGTES SCHACHTBODENELEMENT

Manhole liner and method of making a manhole liner

Eine Schachtbodenauskleidung (1), insbesondere für einen Abwasserkanalschacht, weist einen Grundkörper (2) auf, der eine Auftrittsfläche (3) und wenigstens eine Rohranschlussöffnung (5) umfasst. Der Grundkörper (2) ist einstückig aus flexiblem Material mit einer Wandstärke gefertigt, womit er wenigstens in Teilbereichen im Wesentlichen beliebig zusammen gebogen werden kann.

Shaft furnace lining

Eine Schachtbodenauskleidung (1), insbesondere für einen Abwasserkanalschacht, hat einen Grundkörper (2), der wenigstens eine Rohranschlussöffnung (7) aufweist. An der Rohranschlussöffnung (7) ist ein rohrförmiges Verbindungsstück (8) aus einem flexiblen Material mit einem ersten Ende (9) befestigt. Das Verbindungsstück (8) ist von einer ersten Stellung, in der es zumindest teilweise in das Innere der Rohranschlussöffnung (7) umgestülpt ist, in eine zweite Stellung, in der es in Verlängerung der Rohranschlussöffnung (7) angeordnet ist und vom Grundkörper (2) weg ragt, elastisch umformbar.

PREFABRICATED SHAFT-BASE ELEMENT

A prefabricated shaft-base element, in particular for manholes, comprises a thin-walled berm 1, which forms the shaft base and is made of plastic, an outer casing 4 made of concrete, and a filler body 3, which is provided between the berm 1 and the outer casing 4 and is made of plastic which has a lesser relative density than the concrete which forms the outer casing 4. ...

DRÄNSCHACHT

WELL

ACCESS OPENING FOR PLANTS FOR TRANSPORTING LIQUIDS.

TELESCOPIC HOLE OR COLUMN LINE.

DEVICE FOR THE PRODUCTION OF PITS

MANHOLE BASE LINER AND METHOD FOR MANUFACTURING A MANHOLE BASE LINER

A manhole base liner (1), in particular for a wastewater manhole, has a base body (2) which comprises a tread surface (3) and at least one pipe connection opening (5). The base body (2) is produced in one piece from flexible material with a wall thickness, with which it can be bent together substantially arbitrarily in at least partial regions.

Reflecting Body Having High Luminance

Landings and/or manhole covers formed of a plurality of plate bodies each having a plurality apertures. Utilizing the plate bodies, a reflecting body having high luminance can be simply and surely provided on the landings and/or manhole covers and it is strong and easily manufactured. The reflecting body comprises a reflecting piece formed by a ceiling having a plurality of concaves and convexes at the rear surfaces thereof and a plurality of legs having windows at the intermediate portions thereof, and a stopper member which is mounted on the aperture of the plate body and has projections, wherein the ceiling is integrated with said plurality of legs and said ceiling and legs respectively made of polycarbonate, polyacrylate or other transparent high polymer substance, and wherein said projections of said stopper member are inserted into said windows of said plurality of legs.

REFLECTING BODY HAVING HIGH LUMINANCE

Landings and/or manhole covers formed of a plurality of plate bodies each having a plurality apertures. Utilizing the plate bodies, a reflecting body having high luminance can be simply and surely provided on the landings and/or manhole covers and it is strong and easily manufactured. The reflecting body comprises a reflecting piece formed by a ceiling having a plurality of concaves and convexes at the rear surfaces thereof and a plurality of legs having windows at the intermediate portions thereof, and a stopper member which is mounted on the aperture of the plate body and has projections, wherein the ceiling is integrated with said plurality of legs and said ceiling and legs respectively made of polycarbonate, polyacrylate or other transparent high polymer substance, and wherein said projections of said stopper member are inserted into said windows of said plurality of legs.

TANK WITH BALLASTING DEVICE

REGARD DE VISITE POUR CANALISATIONS D'ASSAINISSEMENT

CE REGARD DE VISITE EST DU TYPE CONSTITUE DE PLUSIEURS ELEMENTS ASSEMBLABLES, A SAVOIR UN ELEMENT DE TETE OU ELEMENT REDUCTEUR 2 EQUIPE D'UN COUVERCLE OU TAMPON DE FERMETURE 3 ET DESTINE A ETRE PLACE AU RAS DU SOL, UN ELEMENT DE FOND OU "CUNETTE" 4 DESTINE A ETRE INTERPOSE ENTRE DEUX TRONCONS SUCCESSIFS 5, 6 DE LA CANALISATION D'ASSAINISSEMENT CONSIDEREE ET COMPORTANT A CET EFFET LES MOYENS DE RACCORDEMENT A CETTE CANALISATION ET DES ELEMENTS INTERMEDIAIRES 7, 8 DESTINES A ETRE INTERPOSES ENTRE L'ELEMENT DE TETE 2 ET L'ELEMENT DE FOND 4 ET DONT LE NOMBRE EST DETERMINE PAR LA PROFONDEUR DANS LE SOL DE CETTE CANALISATION. D'UNE PART, CHAQUE ELEMENT DE TETE 2, DE FOND 4 ET INTERMEDIAIRE 7, 8 EST EN MATIERE PLASTIQUE SEMI-RIGIDE TEL QU'EN POLYOLEFINE OU EN POLYAMIDE, OU AUTRE MATIERE SIMILAIRE, CHACUNE DE SES EXTREMITES D'ASSEMBLAGE 2B, 4A, 7A, 7B, 8A, 8B ETANT AGENCEE POUR PERMETTRE SON ASSEMBLAGE ETANCHE AVEC L'EXTREMITE, DE MEME DIAMETRE QU'ELLE, D'UN ELEMENT ADJACENT ET, D'AUTRE PART, LES ...

GLANCE FOR INSTALLATIONS OF TRANSPORT OF FLUID

Inspection manhole for installations such as, for example, a drainage or sewerage installation, of the type comprising an inspection manhole bottom (1) made of a double-walled plastic material with lateral openings (6) for attaching fluid inlets and/or outlets thereto, and one or more risers being fitted onto the inspection manhole bottom, characterised in that the outer lower wall (4) of the inspection manhole bottom (1) is provided with hollows (10) serving as reinforcement ribbing.

Connection fitting made of plastic with swivelling body

Receptacle for rain water or domestic waste water - prefabricated from super-chlorinated polyvinyl chloride

Receptacle for rain water and/or domestic waste water consists of a prefabricated trough of superchlorinated PVC pref. with a narrow base defined laterally by vertical wall panels in which are openings permanently fitted with rigid tubular pipe connectors. The trough pref. contains a plastic siphonal basin which is connected to the water inlet pipe and of which the base rests on a recessed portion on the side wall of the trough, connecting the lower panels of this wall to the remainder. The receptacle can be mfd. easily, rapidly and cheaply from lightweight elements which are easy to store and transport.

СМОТРОВОЙ КОЛОДЕЦ И СПОСОБ ИЗГОТОВЛЕНИЯ СМОТРОВОГО КОЛОДЦА С СЕГМЕНТАМИ ОСНОВАНИЯ

1. Смотровой колодец, содержащий пластиковую муфту, а также пластиковое основание, присоединенное к муфте и выполненное с, по меньшей мере, двумя отверстиями, к которым в каждом случае присоединяют трубу, при этом пластиковое основание имеет профиль потока, который простирается между отверстиями, и состоит из, по меньшей мере, двух отдельных частей основания, которые на своих кромках, обращенных друг к другу, прочно соединены друг с другом посредством соединительного метода, такого как склеивание, сварка и/или вытяжные заклепки, отличающийся тем, что профиль потока (3) обладает вращательной симметрией относительно центральной оси (20), которая сориентирована в продольном направлении муфты (14). ! 2. Смотровой колодец по п.1, в котором профиль потока (3), полый с той стороны основания (2), которая содержит отверстия (8), при этом профиль потока (3), если смотреть в плоскости поперечного сечения по центральной оси (20), вдоль его периферии, ориентирован, по существу, в продольном направлении муфты (14), причем профиль потока (3), если смотреть в плоскости поперечного сечения по центральной оси (20) около центральной оси (20), проходит, по существу, под прямыми углами к продольному направлению муфты (14). ! 3. Смотровой колодец по любому из предшествующих пунктов, в котором основание (2) содержит центральные части (6, 7) основания, а также части основания которые формируют кольцо (11, 12), при этом части основания, формирующие кольцо, примыкают к внешней периферии центральных частей основания, и причем к внешней периферии частей основания, формирующих кольцо, присоединена муфта (14), и части основания, формирующие кольцо, имеют такой профиль, чтобы их

Schachtanordnung

Abwassersammelschacht aus Kunststoff

Integrierte Traverse in Pumpenschächte monolytische Bauweise bei Kunststoffschächte

Traverse für einen Kunststoffschacht die eine monolytische Bauart aufweist dadurch gekennzeichnet dass die Traverse über die gesamten Breite des Schachtes führt 1.1 ...

DRAINAGE ACCESS VESSEL

... 1485757 Access bowl YORKSHIRE IMPERIAL PLASTICS Ltd 28 Aug 1974 [14 Aug 1973] 38410/73 Heading E1C A plastics access bowl for a drainage system has a polygonal cross-section of more than four sides (e.g. an octagon) and the lower portion of the bowl converges towards an outlet in the bowl's bottom. The bottom may be part spherical. The sides of the bowl may taper towards the bottom.

Kit from prefabricated, light, stackable elements for the setting up of waste water pits, clarifying well, pump pits od. such.

INSPECTION CHAMBER, IN PARTICULAR FOR DRAINAGE PURPOSES

KUNSTSTOFFABZWEIGER FÜR KANÄLE

Schachtboden und Schacht

Bei einem Schachtboden (1) für einen insbesondere in Erdreich einsetzbaren Schacht mit einem im Schachtboden (1) aufge­nommenen bzw. integrierten Gerinne (2) mit wenigstens einer Zulauföffnung (3) und wenigstens einer Ablauföffnung (4, 5, 6), ist vorgesehen, dass ausgehend von einem oberen außen liegenden Randbereich des Schachtbodens (1) eine Mehrzahl von voneinander beabstandeten, über den Umfang verteilten Abstützungen (7) vorgesehen ist und dass die außen liegende Begrenzungswand (10) des Schachtbodens (1) zwischen den Abstützungen (7) in Richtung zu der durch die Abstützungen definierten Auflageebene des Schacht­bodens eine konvexe Wölbung aufweist, wodurch ermöglicht wird, selbst bei geringem Gewicht und/oder geringer Wandstärke des Schachtbodens (1) zuverlässig gegebenenfalls auftretende große Kräfte bzw. Beanspruchungen aufzunehmen und eine sichere Abstützung des Schachts bei Einsetzen in Erdreich zu ermöglichen.Darüber hinaus wird ein Schacht zur Verfügung gestellt, wel­cher mit ...

BETONFERTIGTEIL-SCHACHT MIT EINER KUNSTSTOFFAUSKLEIDUNG

Ein Betonfertigteil-Schacht trägt in wenigstens einer die Schachtwand (1) durchdringenden Schachtwandöffnung (12) ein Doppelwandrohr (4) abgedichtet, das aus einem Beton-Außenrohr (5) und einem Kunststoff-Inliner-Rohr (6) besteht und dessen Ende (4) in der Schachtwandöffnung (12) gehalten ist, wobei das Kunststoff-Inliner-Rohr (6) über eine Sichtstrecke (A) freiliegt und das Beton-Außenrohr (5) mit einer Einsteckstrecke (B) vom Betonmantel (18) aus in die Schachtwandöffnung (12) hineinragt, wobei die Schachtwandöffnung (12) mit einer Kunststoffmanschette (3) ausgekleidet ist, die zum Schachtinneren (23) abgestuft konvergiert und wenigstens drei Stufen (14, 15, 16, 17) aufweist, die eine kompatible Einfassung für das Ende und deren eine Stufe (14) einen Anschlag für eine Spitze (11) des Doppelwandrohres (4) bildet.Um den Betonfertigteil-Schacht dicht gegenüber Grundwasser (W) zu machen und zu erreichen, daß das Doppelwandrohr (4) sicher in die Schachtwandöffnung (12) schiebbar ist, kleidet ...

INSPEKTIONSKAMMER, INSBESONDERE FUER DRAINAGE-ZWECKE

Manhole liner and method of making a manhole liner

Eine Schachtbodenauskleidung (1), insbesondere für einen Abwasserkanalschacht, weist einen Grundkörper (2) auf, der eine Auftrittsfläche (3) und wenigstens eine Rohranschlussöffnung (5) umfasst. Der Grundkörper (2) ist einstückig aus einem elastisch und flexibel verformbaren Material mit einer Wandstärke gefertigt, womit er wenigstens in Teilbereichen im Wesentlichen beliebig elastisch zusammen gebogen werden kann.

SEWAGE TANKS AND GRINDER PUMP SYSTEMS

Assembled type universal water fall plastic inspection well

The conformable essentially defining a drain piping prefabricated.

DEVICE DRAIN PAVEMENT

La présente invention est relative à un dispositif d'avaloir de chaussée réalisé en matière synthétique, comprenant en partie supérieure un conduit vertical (1) destiné au raccordement à un système de collecte des eaux. Le dispositif d'avaloir de l'invention est caractérisé en ce qu'il comporte inférieurement sur un même niveau d'une part un conduit latéral d'évacuation (3), et d'autre part un réservoir (2) de grande contenance disposé à l'aplomb dudit conduit vertical (1), ouvert au droit dudit conduit latéral (3), du fond duquel s'élève, partiellement en regard dudit conduit latéral (3), une paroi (22) de fond formant surverse, tandis que l'ouverture de communication (20) entre ledit réservoir (2) et ledit conduit latéral (3), au-delà de ladite paroi de fond, est obturée par une plaque (4) qui présente trois zones superposées distinctes, une première zone inférieure (40) ajourée s'étendant en regard de ladite paroi (22) de fond, une deuxième zone intermédiaire (41) pleine, et une troisième ...

IMPROVEMENT FOR MANHOLE FOR MONITORING OF SUBTERRANEAN NETWORKS

Regard enterré pour la visite et la surveillance des réseaux enterrés constitué par un caisson (4) cylindrique recevant une conduite d'entrée et une conduite de sortie, ledit caisson étant constitué par une paroi périphérique et une paroi de fond, caractérisé en ce que le fond du caisson comprend un ensemble de fond (11) constitué d'un assemblage de deux pièces (12, 13), à savoir une pièce de base (12) et une pièce supplémentaire (13), les deux pièces (12, 13) constituant l'ensemble de fond (11) étant des pièces indépendantes mobiles l'une par rapport à l'autre.

T

Perfectionnement aux boîtes de branchement pour réseau d'assainissement permettant d'assurer une liaison en ligne avec les conduites de départ quelles que soient leur orientation au moyen d'un embout articulé sur rotule, et pourvues d'un tampon de fermeture assurant l'étanchéité soit par pose directe sur la boîte, soit par l'intermédiaire d'un élémement de conduite prolongateur de l'orifice de visite ...

METHOD AND MOULD ASSEMBLY FOR ROTATION MOULDING A PIPE PART WITH A SPIGOT END, AS WELL AS PIPE PART OBTAINED THEREWITH

METHOD FOR IN SITU RENOVATION OF A MANHOLE, PARTICULARLY A SEWER MANHOLE, AND PREFABRICATED LINER THEREFORE

There is described a method and a liner for in situ renovation of a sewer manhole, e.g. a transition well, where inside the well there is inserted a prefabricated liner in the shape of a glass fibre reinforced stocking of thermosetting polyester or epoxy formed by winding, weaving or braiding externally of a unilaterally suspended mould with a diameter allowing the mould to be lowered through a manhole curb or cone, the rubber coating consisting of a detachable rubber bag that is fastened to a flange to be displaced externally on the mould, said polyester or epoxy liner being winded, woven or braided in such a way that the length/diameter ratio of the liner may subsequently be changed by changing the length/diameter ratio of the liner as the polyester or epoxy impregnated glass fibres are connected with said flange by the winding, weaving or braiding.

Method for renovating the base of manhole shafts

Inlay body for renovation of bottom of sewage shaft The plastic part (26) has at least one groove (18) at the ends of which are tubular extensions so formed that they can be connected in a sealed manner to sewage pipes (22,24) in the sewage shaft (12). Between the pipe extension (20) and the sewage pipe (22) a connecting pipe piece is arranged in a sealed manner. The intermediate spaces between the inlay body and the bottom and the wall of the shaft are filled with a preferably hydraulically bound filling material. The inlay body has virtually the same thickness over its dimensions and is moulded from polyethylene.

Reflecting body having high luminescence

СМОТРОВОЙ КОЛОДЕЦ И СПОСОБ ИЗГОТОВЛЕНИЯ СМОТРОВОГО КОЛОДЦА С СЕГМЕНТАМИ ОСНОВАНИЯ

FIELD: construction. SUBSTANCE: inspection well contains plastic coupler and plastic foundation connected to coupler; foundation contains at least two holes and tube can be connected to any of them; at that plastic foundation has flux contour between two holes; plastic foundation consists of at least two foundation parts which are connected to each other by connecting method such as gluing, welding and/or pop-rivets. EFFECT: flux contour possess rotation symmetry around the central axis oriented in coupler longitudinal direction. 16 cl, 7 dwg РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) 2 450 108 (13) C2 (51) МПК E03F 5/02 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (21)(22) Заявка: 2007149540/03, 27.12.2007 (24) Дата начала отсчета срока действия патента: 27.12.2007 (73) Патентообладатель(и): ПАЙПЛАЙФ НЕДЕРЛАНД Б.В. (NL) R U Приоритет(ы): (30) Конвенционный приоритет: 28.12.2006 NL 2000409 (72) Автор(ы): ГИТОНО Ханс Эдвард (NL) (43) Дата публикации заявки: 10.07.2009 Бюл. № 19 2 4 5 0 1 0 8 (45) Опубликовано: 10.05.2012 Бюл. № 13 (54) СМОТРОВОЙ КОЛОДЕЦ И СПОСОБ ИЗГОТОВЛЕНИЯ СМОТРОВОГО КОЛОДЦА С СЕГМЕНТАМИ ОСНОВАНИЯ (57) Реферат: Смотровой колодец содержит пластиковую муфту, а также пластиковое основание, присоединенное к муфте и выполненное с, по меньшей мере, двумя отверстиями, к которым в каждом случае можно присоединить трубу, при этом пластиковое основание имеет профиль потока, простирающийся между отверстиями, и состоит из, по меньшей мере, двух отдельных частей основания, которые на своих гранях, обращенных друг к другу, прочно присоединены друг к другу посредством соединительного метода, такого как склеивание, сварка и/или вытяжные заклепки. Профиль потока обладает вращательной симметрией вокруг центральной оси, которая сориентирована в продольном направлении муфты. 4 н. и 12 з.п. ф-лы, 7 ил. R U 2 4 5 0 1 0 8 Адрес для переписки: 129090, Москва, ул. Б.Спасская, 25, стр.3, ООО "Юридическая фирма Городисский и ...

Schachtboden für Abwasserschächte

Plastics base for an underground stopcock housing

A plastics base for an underground stopcock housing in which the base engages the surrounding earth in use, comprises a base plate 6, a pair of upstanding part-cylindrical wall portions 7, 8 separated by diametrically opposed gaps 9, 10 and a number of outwardly extending ground-engaging fins 18. The stopcock is located between the wall portions 7, 8, with the service pipe passing through gaps 9, 10, and is held within the base to prevent it from twisting by a separate retaining means 15. ...

Catch-pits

MANHOLE CHANNEL BENDS

1497402 Manhole channel bends WAVIN BV 8 Aug 1975 [23 Aug 1974] 37277/74 Heading E1C A manhole channel bend for connecting an inlet pipe 5 to a main through channel 3 comprises an annular coupling portion 14 for coupling to the inlet pipe and an open channel 15 having an end portion remote from the coupling portion 17 which is curved and can be cut at an angle to provide portions 10, 11, 12 which can be joined to the main through channel such that, in use, the channel discharges into the main through channel in the direction of flow therethrough 6.

SINKING BOX FROM PLASTICS.

Chambre d'inspection pour installation de drainage.

LA PRESENTE INVENTION CONCERNE UNE CHAMBRE D'INSPECTION POUR INSTALLATION DE DRAINAGE. LE CORPS DE CETTE CHAMBRE COMPORTE UN REBORD SUPERIEUR 31 PROLONGE PAR UNE JUPE 32 ET D'UNE BASE 33. DANS LA BASE EST FORME UN CANAL DE DRAINAGE PRINCIPAL 34 S'ETENDANT ENTRE UNE OUVERTURE D'ENTREE PRINCIPALE 35 ET UNE OUVERTURE D'EVACUATION PRINCIPALE 36. QUATRE CANAUX AUXILIAIRES 37 RACCORDENT LES ORIFICES D'ENTREE AUXILIAIRES 38 AU CANAL PRINCIPAL 34. LE RACCORDEMENT AUX TUYAUX D'AMENEE ET D'ECOULEMENT SE FAIT PAR DES EMBOUTS 40 RACCORDES SUR DES TRONCONS CYLINDRIQUES 39 AU MOYEN D'UN JOINT ANNULAIRE 45. UTILISATION: SYSTEME DE DRAINAGE ET EVACUATION DES EAUX USEES.

REFLECTING BODY HAVING HIGH LUMINANCE

층계참 및/또는 맨홀 뚜껑을 복수의 구멍을 가진 복수의 판체로 구성한다. 판체를 이용하여 고휘도반사체는 층계참 및/또는 맨홀뚜껑에 간단하고 확실하게 부착할 수 있고, 제조가 쉽다. 반사체는 뒷면에 복수의 요철을 가진 천판으로 구성된 반사편으로 구성되며, 복수의 다리는 그 중간부에 창을 가지고 있고, 판체의 구멍에 형성되는 멈춤부재는 돌출편을 가지고 있으며, 폴리카보네이트, 폴리아크릴레이트 혹은 기타 투명성의 고분자 재료로 만들어진 복수의 다리와 천판과 다리가 천판에 일체성형되고, 상기 멈춤부재의 돌출편은 상기 복수의 다리의 창에 삽입되어 있다. The landing and / or manhole cover consists of a plurality of plates with a plurality of holes. Using the plate body, the high-brightness reflector can be attached simply and securely to the landing and / or the manhole cover, and is easy to manufacture. The reflector consists of a reflective piece consisting of a top plate with a plurality of irregularities on the back side, the plurality of legs have a window in the middle thereof, and the stop member formed in the hole of the plate has a protrusion piece, polycarbonate, poly A plurality of legs, a top plate, and a leg made of acrylate or other transparent polymer material are integrally formed on the top plate, and the protruding pieces of the stop member are inserted into the windows of the plurality of legs.

METHOD AND MOULD ASSEMBLY FOR ROTATION MOULDING A PIPE PART WITH A SPIGOT END, AS WELL AS PIPE PART OBTAINED THEREWITH

The invention relates to a method and a mould assembly for rotation moulding a pipe part (1) comprising a main body (2) and a spigot end (3), the spigot (3) end having at least one dedicated section (5) with an outer contour (6) that in use is to effect a close fit with an external part. At least during cool-off A support structure (8) is provided in the pipe part (1), at least during cool-off of said part, to keep the dedicated section (5) into contact with the mould (22) so as to have the outer contour (6) of the dedicated section (5) conform to the inner contour of the mould (22). The support structure may become part of the pipe part during moulding.

Method for the repair of existing manholes using elastomeric materials

This invention relates to a method of repairing existing manholes and similar structures by applying a fast-curing elastomeric material using spray techniques whereby a homogeneous, non-porous, and monolithic coating or lining is formed. The fast-curing elastomeric material can be applied directly to existing concrete, brick, tile, mortar, and metal surfaces normally found in sewer manholes and catch basins, sewer and drainage pipes, parking decks, bridge piers and footings, holding ponds, bridge trusses, culverts, gratings, and the like and does not require any formwork. The elastomeric coatings provide effective surface protection against wear, corrosion, and water infiltration and can be applied in a single operation to horizontal, vertical, and overhead surfaces. The elastomeric materials are prepared by initiating the reaction of an isocyanate-terminated compound or polymer with an amine-terminated polymer or an aliphatic or aromatic diamine immediately before applying the elastomeric ...

Tank for pressure sewer installation

The present invention relates to a storage tank, comprising a neck portion having an opening, the neck portion having side walls which define a first storage volume; a body portion connected to, and located below, the neck portion, the body portion having side walls and a base which define a second storage volume, wherein a section of the body portion is configured with a substantially rectangular cross-section in the horizontal plane, and wherein the second storage volume is greater than the first storage volume; and ribs projecting generally radially from the side walls of the neck portion and/or the body portion.

SYSTEM AND METHOD FOR MAKING POLYMER CONCRETE

Resin-based structures for use in corrosive environments. The resin-based structures may include a mixture of resin and aggregate. The resin-based structures may be formed in a mold by placing aggregate and resin into the mold. The resin-based structures may have thin wall design with high compression and tension strength. 1. A manhole apparatus having a wastewater inlet and a wastewater outlet configured and adapted to be connected to a municipal wastewater system , the manhole apparatus comprising:a base portion having an upper surface that includes a fluid trough extending between the wastewater inlet and the wastewater outlet;a top portion defining a worker access opening; anda riser portion interposed between the base portion and the top portion, the riser portion having a sidewall that defines a circular passageway having an inner diameter;wherein a thickness of the sidewall is between one inch and three inches, and wherein the sidewall comprises a polymer concrete material including: a polymer resin and aggregate mixture wherein the polymer resin comprises between 5% and 35% of the polymer resin and aggregate mixture.2. The manhole apparatus of claim 1 , wherein a thickness of the sidewall of the riser portion is less than 1/12th of the inner diameter of the circular passageway and the sidewall is adapted to bear at least 10 claim 1 ,000 psi in compression and at least 2 claim 1 ,000 psi in tension claim 1 , without failure.3. The manhole apparatus of claim 1 , wherein the inner diameter of the circular passageway is at least 48 inches.4. The manhole apparatus of claim 1 , wherein the sidewall is formed from a non-corrosive material.5. The manhole apparatus of claim 1 , wherein the sidewall is characterized by an absence of cement.6. The manhole apparatus of claim 1 , wherein the polymer resin and aggregate mixture has only a coarse aggregate and a fine aggregate.7. The manhole apparatus of claim 1 , wherein the polymer resin and aggregate mixture includes a ...

Form for a Plastic Lined Concrete Septic System Distribution Box

A form for a plastic lined septic system distribution box is configured to receive a fill material. The form includes a jacket, a plastic core, a plastic inlet ring, and a plastic outlet ring. The jacket defines an exterior wall and exterior floor of the distribution box. The core defines an interior wall interior floor of the distribution box. The inlet portal ring and outlet portal ring extend between the core interior wall and the jacket exterior wall. The core and jacket are arranged to leave a space therebetween to receive the fill material, and the core is configured to serve as the interior wall and interior floor of the distribution box and to line the fill material for the distribution box during use. 1. A form for a plastic lined septic system distribution box configured to receive a fill material , comprising:a jacket defining an exterior wall and exterior floor of the distribution box;a plastic core further comprising a core interior wall and a core interior floor configured to be disposed within the jacket and to define a shape of the interior wall and interior floor of the distribution box;a plastic inlet portal ring configured to extend between the core interior wall and the jacket exterior wall; anda plastic outlet portal ring configured to extend between the core interior wall and the jacket interior wall,wherein the core and jacket are arranged to leave a space therebetween to receive the fill material, and the core is configured to serve as the interior wall and interior floor of the distribution box and to line the fill material for the distribution box during use.2. The form of claim 1 , wherein the jacket is formed of plastic and configured to serve as the exterior wall and exterior floor of the distribution box.3. The form of claim 2 , wherein the jacket claim 2 , core claim 2 , inlet portal ring and outlet portal ring are integrally formed as a single unit formed from one of the group consisting of plastic claim 2 , PVC claim 2 , and ...

Sump pump crock

A sump pump crock includes a body including a first portion and a second portion separate from the first portion. The first portion includes one of a tab and an opening, and the second portion includes the other of the tab and the opening. The tab is received in the opening to secure the first portion to the second portion. The body defines a base, a plurality of sidewalls, and a top opening, and a plurality of flanges extend around an outer perimeter of the body. The sump pump crock includes a removeable lid that covers the top opening.

POLYMER MANHOLE BASE

A polymer manhole base comprising a base portion having an upper surface. An annular sidewall may extend upward from the base portion and may circumscribing the upper surface. The annular sidewall may have a diameter. A thickness of the annular sidewall may less than 1/12th of the diameter. 1. A manhole base comprising:a base portion having an upper surface;an annular sidewall extending upward from the base portion and circumscribing the upper surface;a wastewater inlet and a wastewater outlet formed in the sidewall; anda wastewater trough formed in the upper surface, the wastewater trough extending between the wastewater inlet and the wastewater outlet;wherein the annular sidewall comprises an inner diameter;wherein a thickness of the annular sidewall is less than 1/12th of the inner diameter.2. The manhole base of claim 1 , wherein the manhole base comprises a resin and an aggregate mixture.3. The manhole base of claim 2 , wherein the thickness of the sidewall is between one and three inches.4. The manhole base of claim 2 , wherein the thickness of the sidewall is about two inches.5. The manhole base of claim 2 , wherein the wastewater trough comprises a ninety-degree bend.6. The manhole base of claim 2 , wherein the upper surface comprises one or more anchors extending therefrom.7. The manhole base of claim 2 , wherein a height of the annular sidewall is between two feet and six feet.8. The manhole base of claim 2 , wherein the inner diameter of the annular sidewall is between 48 inches and 60 inches.9. The manhole base of claim 2 , further comprising a bench formed on the upper surface.10. The manhole base of claim 9 , wherein the bench comprises a slope of between 1 degree and 45 degrees.11. A manhole system comprising: a base portion having an upper surface,', 'an annular sidewall extending upward from the base portion and circumscribing the upper surface,', 'a wastewater inlet and a wastewater outlet formed in the sidewall, and', 'a wastewater trough formed ...

Taper-wall riser with tab connectors

A plastic article useful as a riser assembly for a septic tank or as part of another structure is comprised of a multiplicity of identical shape conical wall plastic risers. The risers are attached to each other at joints by tabs which engage rim segments; each end of the riser has alternating tabs and rim segments. A riser assembly wall undulates in the lengthwise direction. The risers nest within each other for shipment or storage. 1. A riser having a first end , a second end , spaced apart along a riser length , and a central lengthwise axis , comprising:a wall, having the shape of a truncated hollow cone, and an interior surface and an exterior surface;the wall at the first end having a first diameter, and the wall at the second end having a second diameter which is smaller than the first diameter;a plurality of tabs spaced apart by rim segments at each of said ends, each tab shaped for latching engagement with a rim segment of the like-size end of an identical riser when two risers are mated at either of the riser first ends or the riser second ends to form a joint therebetween.2. The riser of wherein each tab comprises:a body, extending in the riser lengthwise axis direction from the wall at the end having the tab; and,a lip at the lengthwise end of the body extending radially for engaging a rim segment.3. The riser of wherein at the first end of the riser the lip of each tab extends radially inward toward the central lengthwise axis claim 2 , and wherein at the second end of the riser the lip of the each tab extends radially outward away from the central lengthwise axis.4. The rise of wherein each tab is connected to the exterior surface of the wall by a web claim 2 , the tab thereby radially spaced apart from the exterior surface of the wall by the web claim 2 , the combination of wall claim 2 , web and body defining a channel running in the circumferential direction of the riser.5. The riser of wherein each web is comprised of two circumferentially spaced ...

Manhole base liner and method for manufacturing a manhole base liner

A manhole base liner (), in particular for a wastewater manhole, has a base body () which comprises a tread surface () and at least one pipe connection opening (). The base body () is produced in one piece from flexible material with a wall thickness, with which it can be bent together substantially arbitrarily in at least partial regions. 1. A method for producing a formed part having a base body and at least one pipe connection opening , comprising:a) creating a negative form of the formed part,b) at least regionally wrapping the negative form with a flexible film, andc) creating the base body by molding a material in a liquid or pasty state on the negative form,wherein at least one transition strip and/or at least one pipe socket is arranged on the negative form and is molded to the base body.2. The method as in claim 1 , wherein the material is a hardening material.3. The method as in claim 1 , wherein the material is a polymer.4. The method as in claim 1 , further comprising:waiting for the material forming the base body applied in method step c) to become at least partially hardened, andapplying a further hardening material to the material forming the base body.5. The method as in claim 1 , wherein the negative form in the method step a) is produced claim 1 , at least partially claim 1 , from plastic.6. The method as in claim 1 , wherein the method step b) is subdivided into the following method steps:b1) placing the negative form in an upwardly open wrapping device,b2) covering the wrapping device with the flexible film, andb3) generating a negative pressure in a region between the flexible film and the negative form, whereby the flexible film attaches to the negative form and wraps it.7. The method as in claim 6 , wherein after method step b2) an overpressure is generated in the region between the flexible film and the negative form claim 6 , so that the flexible film bulges away from the negative form and that subsequently the negative form is drawn near ...

Manhole base liner and method for manufacturing a manhole base liner

A manhole base liner ( 1 ), in particular for a wastewater manhole, has a base body ( 2 ) which comprises a tread surface ( 3 ) and at least one pipe connection opening ( 5 ). The base body ( 2 ) is produced in one piece from flexible material with a wall thickness, with which it can be bent together substantially arbitrarily in at least partial regions.

POLYMER MANHOLE BASE

A polymer manhole base may comprise a base portion having an upper surface. An annular sidewall may extend upward from the base portion and may circumscribe the upper surface. The manhole base may have a wastewater trough connecting a wastewater inlet and a wastewater outlet. An interior frame may correspond to the inlet or outlet. 1. A manhole base comprising:a base portion having an upper surface;an annular sidewall extending upward from the base portion and circumscribing the upper surface, said annular sidewall having a wastewater inlet opening and a wastewater outlet opening formed therein such that a laterally extending flowpath passes into and from said wastewater inlet opening and extends to and through said wastewater outlet opening;a wastewater trough formed in the upper surface of the base portion, the wastewater trough defining at least a lower portion of the flowpath and extending between the wastewater inlet and the wastewater outlet; andan interior frame extending radially inwardly from an inner surface of the sidewall, wherein the wastewater trough and the interior frame collectively surround at least a portion of the flowpath;wherein the annular sidewall comprises an inner diameter.2. The manhole base of claim 1 , wherein the interior frame comprises a medial surface claim 1 , a lateral surface claim 1 , an inner surface claim 1 , and an outer surface.3. The manhole base of claim 2 , wherein the inner surface and outer surface of the interior frame are annular.4. The manhole base of claim 2 , wherein the inner surface of the interior frame is annular and the outer surface of the interior frame is polygonal.5. The manhole base of claim 2 , wherein the interior frame is disposed against the annular sidewall and wherein a thickness of said frame is at least two times a thickness of the annular sidewall.6. The manhole base of claim 1 , wherein a thickness of the interior frame is between 1/30th and ⅛th of the inner diameter.7. The manhole base of claim ...

Safety grating for riser of a septic tank

A safety grating has an arch shape cross section and is useful within a riser having a frusto-conical shape wall which riser is attached to a septic tank or another structure. The grating comprises a hub and radially extending arms, one or more of which is rotatable relative to the hub length at a hinge joint, to decrease the size of the grating and enable installation of the grating by passing the grating a smaller end opening of a riser. 1. A grating having a central lengthwise axis and an arch shape cross section in a plane within which said axis lies , for use within an upward-extending circular riser , comprising:a hub having a length lying along said central lengthwise axis; a length,', 'a first end attached to the hub, and', 'a second end that is a free end;, 'a multiplicity of arms, each arm having'}wherein each arm extends radially outward from the hub; and,wherein at least one arm is in whole or part hinged for pivoting in a plane within which lies said central lengthwise axis.2. The grating of wherein said at least one arm is hinged where the arm is attached to the hub so the whole of the arm pivots.3. The grating of wherein only one arm is hinged.4. The grating of wherein the at least one arm comprises a first part fixedly attached to the hub and a second part extending to said free end claim 1 , the first and second part hinged to each other at a hinge point spaced apart from the hub.5. The grating of having five arms.6. The grating of wherein the hub has a central passageway running lengthwise.7. The grating of wherein the free ends of the arms that are extended outwardly lie around an imaginary circle claim 1 , and wherein when said at least one arm is pivoted claim 1 , the dimension of the grating is made less than the imaginary circle dimension for about 10 to 30 percent of the circumference of the imaginary circle.8. The grating of wherein the pivoting of the at least one arm is spring biased.9. An assembly comprising a grating in accord with ...

Conical wall riser with interleaved tab connectors

A plastic article useful as a riser assembly for a septic tank or as part of another structure is comprised of a multiplicity of identical shape conical wall plastic risers. The risers are attached to each other at joints by tabs which engage rim segments; each end of the riser has alternating tabs and rim segments. A riser assembly wall undulates in the lengthwise direction. The risers nest within each other for shipment or storage.

Sewer system inspection point - comprises semi-rigid plastics element which secure together to form sealed chamber

The inspection point for drains etc. comprises an upper element (2) carrying a cover (3), which is situated at ground level. A base element (4) contains attachment points (9,11) for the drains and is connected to the upper element by intermediate elements (7,8), the number of which depends on the depth of the drains below ground level. Each element is made of semi-rigid plastics material e.g. polyolefine or polyamide. The intermediate elements are shaped like truncated cones and have cooperating edges which secure to one another, or to the upper or base elements, with a seal positioned between.

Patent FR1565294A

INSPECTION CHAMBER FOR DRAINAGE SYSTEM

LA PRESENTE INVENTION CONCERNE UNE CHAMBRE D'INSPECTION POUR INSTALLATION DE DRAINAGE. LE CORPS DE CETTE CHAMBRE COMPORTE UN REBORD SUPERIEUR 31 PROLONGE PAR UNE JUPE 32 ET D'UNE BASE 33. DANS LA BASE EST FORME UN CANAL DE DRAINAGE PRINCIPAL 34 S'ETENDANT ENTRE UNE OUVERTURE D'ENTREE PRINCIPALE 35 ET UNE OUVERTURE D'EVACUATION PRINCIPALE 36. QUATRE CANAUX AUXILIAIRES 37 RACCORDENT LES ORIFICES D'ENTREE AUXILIAIRES 38 AU CANAL PRINCIPAL 34. LE RACCORDEMENT AUX TUYAUX D'AMENEE ET D'ECOULEMENT SE FAIT PAR DES EMBOUTS 40 RACCORDES SUR DES TRONCONS CYLINDRIQUES 39 AU MOYEN D'UN JOINT ANNULAIRE 45. UTILISATION: SYSTEME DE DRAINAGE ET EVACUATION DES EAUX USEES. THE PRESENT INVENTION CONCERNS AN INSPECTION CHAMBER FOR A DRAINAGE PLANT. THE BODY OF THIS CHAMBER HAS AN UPPER FLANGE 31 EXTENDED BY A SKIRT 32 AND A BASE 33. IN THE BASE IS FORMED A MAIN DRAINAGE CHANNEL 34 EXTENDING BETWEEN A MAIN ENTRY OPENING 35 AND AN EXHAUST OPENING MAIN 36. FOUR AUXILIARY CHANNELS 37 CONNECT THE AUXILIARY INPUT PORTS 38 TO THE MAIN CHANNEL 34. THE CONNECTION TO THE SUPPLY AND DISCHARGE PIPES IS MADE THROUGH TERMINALS 40 CONNECTED TO CYLINDRICAL JOINT TRUNCONS 39 AT THE MEANING OF AN ANNULAR 39 45. USE: DRAINAGE AND WASTEWATER DISCHARGE SYSTEM.

Construction of drain pipes in bottom of manholes - involves using bowl shaped connector made of plastics to receive pipes

Patent FR2509343B1

Compatible plastic inspection well and connecting structure of compatible plastic inspection well and pipeline

本发明的可兼容性塑料检查井，包括两个相同的“V”字形壳体，每个壳体包括两个对称的侧面、底面以及设置有开口的顶面，每个壳体的边缘处设置有突缘，突缘上设置有若干个通孔，两个壳体之间通过螺纹紧固件相连接形成一端开口的检查井。本发明的检查井可兼容多种规格口径的管道和实现多种连接方式的组合，大大节约了模具投入费用，并缩短了产品生产周期；本发明的检查井由两个壳体组装而成，可实现集中分体制造、批量运输以及现场合体组装，具有重量轻、强度高和组装简单的优点；另外，该检查井与管道连接孔采用法兰连接，具有与管道连接方便快捷、接口密封可靠的优点。

LOOK FOR FLUID TRANSPORTATION FACILITIES

Well

A well comprising a body (1) and at least one fitting (2) for connecting a pipe to the well. The fitting (2) is provided with an inner sheath (4) which is directed towards the inside of the body (1) and which is provided with internal connection surfaces (4a, 4b) for connecting the pipe in connection with the well. Inner diameters of the connection surfaces (4a, 4b) are different in size for connecting pipes of different sizes to the fitting (2). The connection surfaces (4a, 4b) having different inner diameters are arranged successively in an axial direction of the fitting (2) such that a connection surface (4b) having the smallest diameter resides closest to a centre part of the well while a connection surface (4a) having the largest diameter resides farthest away from the centre part of the well.

A kind of plastic inspection well and its assemble method

本发明涉及一种塑料检查井及其组装方法，属于市政管网技术领域。本发明包括井座、直壁井Ⅰ、收口井、直壁井Ⅱ、主流管承口、支流管承口、流槽；直壁井Ⅰ与井座连接，收口井与直壁井Ⅰ连接，直壁井Ⅱ与收口井连接，主流管承口和支流管承口均与井座连接，井座上开设有流槽。本发明连接采用内承插式结构，避免组件连接的径向较大偏差，定位可靠，无对接错位问题。连接采用内插式结构，减少焊接产生漏焊、虚焊现象，提高连接可靠度，避免泄漏、渗漏，提高刚度、强度。

Access points for drainage or sewerage systems

1486500 Moulding pipes PLASTIDRAIN Ltd 6 Nov 1975 46134/75 Heading B5A [Also in Divisions E1 and F2] A prefabricated chamber of circular or other cross-section of plastics material for allowing access to drain (see Divisions E1-E2) is formed by joining two plastics pipes of differing diameter. The smaller pipe 1 has a cut-out 12; the larger pipe 4 is heated and squeezed to the diameter of the smaller pipes and preferably formed on a shaping tool. The two pieces are then joined by welding or adhesives at 12, 13.

Impact-resistant polyethylene plastic inspection well and production method thereof

本发明公开了一种抗冲击性聚乙烯塑料检查井，由以下原料制成：聚乙烯、天然橡胶、膨润土、纳米二氧化硅、丙烯酸酯类抗冲改性剂ACR、阻燃剂、增塑剂、尼龙、抗氧化剂330、稳定剂、硼酸酯偶联剂LK‑640、油酸酰胺。本发明的检查井加工工艺简单，成型效果好，表面光洁，韧性好，抗冲击性能优异，能够满足地下管道的要求，适合大范围的推广。

Method and mould assembly for rotation moulding a pipe part with a spigot end, as well as pipe part obtained therewith

本发明涉及一种用于旋转模制管部件(1)的方法和模具组件，所述管部件包括主体(2)和插端(3)，所述插端(3)具有至少一个专用区段(5)，所述至少一个专用区段带有在使用时将实现与外部部件紧密配合的外轮廓(6)。至少在冷却期间，在所述管部件(1)中设置支撑结构(8)，至少在所述管部件冷却期间，使所述专用区段(5)保持与所述模具(22)接触，以使所述专用区段(5)的外轮廓(6)与所述模具(22)的内轮廓一致。所述支撑结构可在模制期间成为所述管部件的一部分。

Inspection manhole for fluid transport installations

Inspection manhole for installations such as, for example, a drainage or sewerage installation, of the type comprising an inspection manhole bottom (1) made of a double-walled plastic material with lateral openings (6) for attaching fluid inlets and/or outlets thereto, and one or more risers being fitted onto the inspection manhole bottom, characterised in that the outer lower wall (4) of the inspection manhole bottom (1) is provided with hollows (10) serving as reinforcement ribbing. <IMAGE>

Sewage tanks and grinder pump systems

A sewage tank (20, 100, 200, 300) for use with a pump (12) such as a grinder pump to convey sewage. The sewage tank includes a container (21) having an upper portion (24) and a lower portion (22) defining a chamber (30) for containing the pump. The upper portion has a generally constant cross-section and the lower portion has a tapered cross-section to reduce retained sewage. The upper portion and/or the lower portion includes a plurality of vertical ribs (25) and horizontal ribs (27) defining a plurality of recessed pockets (29). The lower portion of the sewage tank may also include an outwardly extending flange (40, 110) sufficiently sized so that soil may be backfilled around the bottom of the tank to prevent the tank from floating upward out of the ground due to its buoyancy under high ground water conditions. A sewage tank having a stepped flange (110) is also disclosed.

Prefabricated inspection well

本发明涉及排水技术领域，提供一种预制检查井。该预制检查井从上至下依次包括同轴设置的井盖、井筒和井座；所述井筒构造有第一井腔室，所述井座呈圆台状且构造有第二井腔室，所述第一井腔室和所述第二井腔室连接构成井室。其中，由于检查井采用预制的方式而不是现场浇筑的方式得到，因此其结构不受现场施工的限制，可以设计成圆台状。在此基础上，由于井座呈圆台状，在施工过程中只要合理将井座固定在隧道底部，就可以防止灌注混凝土时发生检查井偏位和浮起，增强检查井自身抗浮能力，解决检查井上浮导致的自身不稳定以及与管道连接处断裂的问题。

Well and well bottom

A well and a well bottom. The well includes a well bottom (1) and a wall (4) and at least one outlet connection (5). The well bottom (1) is provided with at least flow channel (3a) at least for the outlet connection (5). The flow-forming part of the well bottom (1) consists of a plate (2) which is sloping towards the centre of the well bottom (1) in other parts except for the flow channel (3a).

Drainage inspection chambers

In a drainage inspection chamber of the kind having a manhole access and a base with at least one channel in the base extending between an inlet opening and an outlet opening, the base is formed from plastics material and has an integral side wall structure, circular openings in the side wall structure constituting the inlet and outlet openings. Separately formed socket members for receiving inlet and outlet pipes are located at each of the openings, each of the socket member being provided with a resilient sealing member for sealing with the outer surface of a pipe fitted into the socket member, the sealing member also serving simultaneously to seal the socket member with the internal surface of the inspection chamber.

Assembly manhole structure using using waste plastic

The present invention relates to a prefabricated manhole structure, and more specifically, to a prefabricated manhole structure using waste synthetic resin, which promotes recycling of resources, reduction of fabrication costs, and ease of fabrication by utilizing waste plastic. Furthermore, the prefabricated structure thereof can improve generality of construction, and increase material transportability (because of easy loading), and enables easy maintenance and repair because of partial replacement. To this end, the present invention comprises: a body assembly which is configured after a plurality of unit block bodies are assembled; a ceiling assembly which is configured after the plurality of unit block bodies are assembled, and is assembled at an upper portion of the body assembly; a manhole passage assembled at the ceiling assembly; and a floor assembly which is configured after the plurality of unit block bodies are assembled, and is assembled at the bottom of the body assembly. Here, the unit block bodies of each assembly and the manhole passage are made after waste plastic is injected and molded.

Drop energy-dividing energy-dissipating plastic inspection well

本发明涉及一种跌水分能消能塑料检查井，属于市政排水管道工程领域。本发明包括收口井体，分能井体、进水口Ⅰ，分流挡板，分流底板，底板分流孔Ⅰ，底板分流孔Ⅱ，直壁井体，井座，进水口Ⅱ，排水口，消能座。所述收口井体与分能井体连接，进水口Ⅰ安装在分能井体上，分能井体内设有分流底板，所述分流挡板为中空圆柱管形、其上部形成瀑布分流口，分流挡板安装在分流底板上，口部为圆弧形截面，底板分流孔Ⅰ为分流底板上布置的筛孔，底板分流孔Ⅱ为与分能井体壁相吻合的圆弧腰形长孔，分能井体安装在直壁井体上，直壁井体安装在井座上，进水口Ⅱ与排水口均安装在井座上，井座底部设有消能座、其为向上凸起空心圆柱体、顶端两侧设有圆弧倒角。

Plastic drain or inspection chamber portion with hollow-walled circumferential wall, as well as mould assembly for thereof.

La invención se refiere a un drenaje o porción de una cámara de inspección, y un ensamble de molde para fabricar el mismo; el drenaje o la porción de cámara de inspección comprende una pared circunferencial de plástico, dicha pared circunferencial, en el caso del drenaje, está preferiblemente provista de aberturas para conexión del drenaje a una o más tuberias; el drenaje o la porción de la cámara de inspección se puede fabricar mediante moldeo por rotación; la pared circunferencial comprende una sección de pared hueca provista de una pared interna y una pared externa, en donde la pared interna y la pared externa son localmente apoyadas una contra a otra para la formación de refuerzos; estos refuerzos están dispuestos de tal manera que abarcan conjuntamente la sección de pared hueca entera, vista en dirección circunferencial, pero sin formar con la misma un apoyo continuo entre la pared interna y la pared externa.

Lined manhole assembly and liner

A plastic liner for protecting concrete manhole interior surfaces from corrosion wherein the liner includes provisions for creating a strong mechanical lock between the liner and the interior surfaces. A side of the liner which includes the provisions has a plurality of raised hollow projections with spaced sections. The mechanical lock is created when concrete is poured against the side of the liner with the projections. The concrete at least partially enters the hollow portions and fills spaces between the projection sections. The projections also intersect to enhance the mechanical lock by preventing bulging. Liner sections cover essentially all of the manhole interior surfaces. Forming a liner section by rotationally molding the plastic and cutting gaps into the projections is also disclosed.

PLASTIC FLOW OR INSPECTION ROOM WITH HOLE WALL SECTION AND SIMILAR PREPARATION FOR THE MANUFACTURING THEREOF

System and method for making polymer concrete

Resin-based structures for use in corrosive environments. The resin-based structures may include a mixture of resin and aggregate. The resin-based structures may be formed in a mold by placing aggregate and resin into the mold. The resin-based structures may have thin wall design with high compression and tension strength.

Sewage tank for use with a pump to convey sewage

Manhole invert casting system

A plurality of invert forming mold members are bolted together and have their ends received in internal frames provided at adjacent pipe openings in a manhole. The mold members are formed of relatively thick and heavy polyurethane and are of U-shaped cross-section. A mold supporting plate is provided in each of the internal mounting frames and has an opening configured to matingly receive the endmost mold component. The mold components are provided in a variety of linear lengths, angular curved configurations and elevation changing members so that they can be associated to form inverts required for any particular manhole configuration. The assembly of mold members is extremely strong and rigid and does not require any additional internal bracing.

Bellow tube connecting device for e.g. road manhole, has series of lips cooperated with flange and groove in order to guarantee sealing against air and water between tube and structure in which bore is sectioned

The device has an annular joint (12) whose radial section comprises an internal positioning flange in a shape of water drop to be placed between two consecutive rings of a bellow tube. An external receiving groove allows an assembly of the annular joint around a bore. A series of sealing and positioning lips is cooperated with the positioning flange and the receiving groove in order to guarantee sealing against air and water between a tube (11) and a structure of a road manhole or an inspection/connection box (1), where the bore is sectioned in the structure.

Adjustable clamping band for gaskets and method for using same

A clamping band for clamping a resilient gasket against an opening within a wall to provide a fluid-tight seal therebetween. The clamping band is generally circular-shaped and has an elongated slot extending inwardly from one free end of the clamping band and cooperates with an elongated projection of reduced cross section as compared with the nominal cross section of the clamping band and which is provided at the opposite end of the band. The projection is inserted into the slot, the clamping band is placed against the gasket arranged within the aforesaid opening and the gasket is expanded a predetermined amount by an hydraulic expander to exert the desired clamping pressure upon the resilient gasket. One surface of the projection is provided with a series of teeth. An opening communicating with said slot receives a wedge fitted into said opening and having several teeth along one surface thereof, which teeth conform to the teeth of said projection. Insertion of the wedge inter-engages the teeth of the projection and the wedge locking the clamping band in the desired position with the requisite amount of the clamping pressure. The wedge is preferably tapped into the locking position and is also removable for whatever purpose and is reusable. The teeth may be replaced with openings in opposite sidewalls of the slot and in the projection. The insert is replaced by drive pins inserted into cooperating openings in the projection and sidewalls.

Chamber for a rainwater drain and method for its manufacturing

The invention relates to chamber (1) for a rainwater drain, comprising a main body (2) with a bottom (3), an inlet (4) for collecting rainwater and an outlet (5) for routing the rainwater, wherein the chamber (1) is manufactured by blow moulding. The invention further relates to a method (M) for manufacturing a chamber (1).

Method and mould assembly for rotation moulding a pipe part with a spigot end, as well as pipe part obtained therewith

Prefabricated manhole for connection and inspection of sewer pipes and process for installing such a manhole

The chamber consists of a hollow body (1) designed to be installed with its axis set vertically, open at the top and having a base (6) with a connecting channel for the pipes and shoulders on either side joined to the body (1), at least one of the shoulders having a supporting leg (8) beneath it. The supporting legs have holes through them, are hollow when viewed from the inside of the chamber and are designed to keep the chamber upright while it is standing on a horizontal surface. The holes are designed to allow concrete to pass through when the chamber is fixed in place on a foundation (23) before the excavation for it is back-filled with soil.

Shaft base cladding and method for cladding a shaft

Shaft bottom lining

Well and well bottom

A well and a well bottom. The well includes a well bottom (1) and a wall (4) and at least one outlet connection (5). The well bottom (1) is provided with at least flow channel (3a) at least for the outlet connection (5). The flow-forming part of the well bottom (1) consists of a plate (2) which is sloping towards the centre of the well bottom (1) in other parts except for the flow channel (3a).

Shaft arrangement

BRUNN FOER AVLOPPSLEDNINGAR BRUNN FOER AVLOPPSLEDNINGAR

Lined structure and liner

A plastic liner for protecting concrete manhole interior surfaces from corrosion wherein the liner includes provisions for creating a strong mechanical lock between the liner and the interior surfaces. A side of the liner which includes the provisions has a plurality of raised hollow projections with spaced sections. The mechanical lock is created when concrete is poured against the side of the liner with the projections. The concrete at least partially enters the hollow portions and fills spaces between the projection sections. The projections also intersect to enhance the mechanical lock by preventing bulging. Liner sections cover essentially all of the manhole interior surfaces. Forming a liner section by rotationally molding the plastic and cutting gaps into the projections is also disclosed.

Manhole element and inspection manhole.

Whole surface welded anti-slip coatings on plastic man holes (profiled strips and plastic granulates)

Well

Sewage tank

Newness and distinctiveness is claimed in the features of shape and/or configuration of a sewage tank as illustrated in continuous lines in the accompanying representations.

Portable steel-reinforced HDPE pump station

The portable steel-reinforced HDPE pump station includes a vertically upright, cylindrical wet well fabricated from high-density polyethylene reinforced by helically wound steel ribs. HDPE profile wall material and endoskeleton are used for wet well reinforcement. Exterior foam insulation or thin HDPE shell wrap are disposed on outer portion of the wet well. The base of the pump station includes cross ribs atop a planar anti-flotation collar. Interior spaces between the cross ribs are filled with concrete to anchor the wet well in situ. Alternatively, a steel plate is used as a base. The steel plate base may be encapsulated by an HDPE sheet. HDPE sheets form a sloping hopper bottom at lower inside portion of the wet well. The annular space between the hopper bottom and base plate is filled solid with a closed-cell polyurethane insulation. Alternatively the wet wall is constructed of structurally reinforced thermoplastic without steel reinforcement ribs.

PREFABRICATED LOOK FOR CONNECTION AND / OR VISIT TO SANITATION PIPES, AND METHOD FOR SETTING UP SUCH A LOOK

Regard préfabriqué (R) pour le raccordement et/ ou la visite de canalisations d'assainissement, comprenant un corps creux (1) destiné à être installé avec son axe A-A sensiblement vertical, ce corps creux comportant en partie basse des moyens de raccordement (J) aux canalisations d'assainissement, et étant ouvert à son extrémité supérieure. Le regard (R) est réalisé en matière plastique et comporte, à l'extérieur, au moins une patte de scellement (8), pour empêcher le soulèvement du regard sous l'effet de la poussée d'Archimède. Prefabricated manhole (R) for connecting and / or inspecting sewerage pipes, comprising a hollow body (1) intended to be installed with its axis AA substantially vertical, this hollow body comprising in the lower part of the connection means (J ) to the sewage pipes, and being open at its upper end. The manhole (R) is made of plastic and comprises, on the outside, at least one sealing lug (8), to prevent the manhole from being raised under the effect of Archimedean thrust.

Sewage tanks and grinder pump systems

A sewage tank for use with a pump such as a grinder pump to convey sewage. The sewage tank includes a container having an upper portion and a lower tapering portion defining a chamber for containing the pump. The lower tapering portion has a reduced size compared to the upper portion. The upper portion and the lower portion may include a plurality of intersecting vertical ribs and horizontal ribs defining a plurality of recessed pockets. The lower portion of the sewage tank may also include an outwardly-extending flange sufficiently sized so that soil may be backfilled around the bottom of the tank to prevent the tank from floating upward out of the ground due to its buoyancy under high ground water conditions. A sewage tank having a stepped flange is also disclosed.

Plastic drain or inspection chamber portion with hollow-walled circumferential wall, as well as mould assembly for thereof

本发明涉及一种排水器或者一种检查井的一部分，以及一种用于制造这种检查井的一部分或者排水器的模具组件。所述排水器或者所述检查井部分包括塑料圆周壁，对所述排水器而言，所述圆周壁优选地设置有用于将所述排水器连接至一个或者多个管道的开口。排水器或者检查井部分可以由旋转模塑法制造。所述圆周壁包括空心壁段，所述空心壁段具有内壁和外壁，其中所述内壁以及所述外壁局部地彼此邻接以便形成加固部。这些加固部如此布置，使得沿圆周方向看它们联合跨越整个空心壁段，但是没有在所述内壁和所述外壁之间形成一个连续的邻接。

Sewer shaft lower section - having disposable polystyrene foam cores in ports for sewer pipes

Lower section is for the shaft of a sewer, and is a pre-fabricated concrete component with a trough formed in the base an annular wall with cylindrical ports in which sewer pipes fit. The ports are filled with disposable and easily removable cores typically of polystyrol foam. Mould can have a one-piece cylindrical outer section whose height is sufficient for all shaft sections to be produced in the dia. concerned, a base to produce the top edge of the shaft section, and an interchangeable core producing the trough.

Apparatus for constructing manholes

LOOK MANUFACTURED BY ROTOMOLDING, WITH ADAPTED MOUTHPIECES, MOLD, CORRESPONDING MOLD ELEMENT AND SLEEVE

Inspection chamber part

The disclosure relates to an inspection chamber part for placing in ground holding groundwater, the part comprising a cavity (2) for receiving ground water and having a cavity shape, the cavity being partially confined by a cavity wall (10) for retaining ground water in the cavity, and a reinforcement member (3) for providing additional stiffness for maintaining a shape of a circumference of at least a part of the cavity wall (10).

Procedure for making in-situ manholes for underground electric and telephone lines ductwork.

Procedure for making in-situ underground manholes intended for the passage of electric and telephone ducts which are dimensioned so as to permit the operator's work inside for carrying out repairs, mounting, maintenance, etc. of electric and/or telephone networks. The procedure is based on obtaining a module made of a tough, nonconducting rustproof light-weight material which is laid in the corresponding hole on the ground and then it is externally filled up with concrete to complete the manhole construction. The inner mould or module is made by joining together two identical square cross-section pieces (1) with a longitudinal profile which will determine the manhole opening in this joining together of both pieces.

Preparation method of injection molding inspection well convenient to enter

本发明公开了一种方便进入的注塑检查井的制备方法，涉及塑料制品技术领域，包括以下步骤，注塑成型，将原料混合后倒入注塑机中，使用模具注塑成检查井主体，冷却至室温后待用；雕刻螺纹，在检查井主体的内壁雕刻螺纹槽，螺纹槽的螺距为5‑10cm；安装升降装置，将弹簧与升降台的底部焊接，然后将弹簧底座放入注塑检查井的底部固定，升降台安装进入螺纹槽；添加减震层；镀层，在减震泡沫板的外侧喷涂防水涂料，固化后放入仓库保存。该方便进入的注塑检查井的制备方法，方便操作人员进入到检查井内部进行施工，能够避免注塑检查井容易受到外部震动及碎石的碰撞受到损坏的问题，能够增加注塑检查井的防水性。

Shaft base cladding and method for producing same

Eine Schachtbodenauskleidung (1), insbesondere für einen Abwasserkanalschacht, weist einen Grundkörper (2) auf, der eine Auftrittsfläche (3) und wenigstens eine Rohranschlussöffnung (5) umfasst. Der Grundkörper (2) ist einstückig aus flexiblem Material mit einer Wandstärke gefertigt, womit er wenigstens in Teilbereichen im Wesentlichen beliebig zusammen gebogen werden kann. A shaft bottom lining (1), in particular for a sewer manhole, has a base body (2) which comprises a tread surface (3) and at least one pipe connection opening (5). The main body (2) is made in one piece from flexible material with a wall thickness, with which it can be bent together at least in some areas substantially as desired.

Catch basin having selectable port position

A catch basin configured to allow selective positioning of the outlet and inlet ports on the side walls of the catch basin's receptacle body. At least one of the receptacle side walls comprise a slide opening having opposing sides. A slide member has a pair of slide edges that slidably engage the sides of the slide opening to substantially close the slide opening. The slide member has a port section and two or more positioning sections, with at least one positioning section located above the port section and one below the port section. The port section has an outlet or inlet port integral therewith or fixedly attached thereto or the port section comprises a mechanism for attaching an outlet or inlet port thereto, such as a port cutout having a removable knockout plate. The slide member has section removal indicators to identify which positioning sections should be removed.

Plastics manhole chamber with channelled base,multiple side openings,and a flange sheltered spigot and socket joint with a side wall extension

Drain water sump

Shaft, in particular a control and flushing shaft for wastewater with a flow channel and plate for a flow channel

Ein Schacht (1), insbesondere Kontroll- und Spülschacht für Abwasser, weist mindestens ein mittels eines Bodens (10) verschlossenes, eine Mittel-Längs-Achse (25) und einen Innen-Durchmesser aufweisendes Rohr (2) und zwei einander diametral zur Mittel-Längs-Achse (25) gegenüberliegende Anschlüsse für Abwasser-Rohre (12, 13) auf. Zwischen den Anschlüssen ist ein dieses verbindendes Fließ-Gerinne (18) angeordnet, das aus einer steifen aber biegsamen Platte besteht, deren kleinster Durchmesser etwa dem Innen-Durchmesser des Rohres (2) entspricht und die um den kleinsten Durchmesser nach oben gebogen mit ihrem Umfangs-Rand (24) im Wesentlichen innen an dem Rohr (2) des Schachtes (1) anliegt. A shaft (1), in particular a control and flushing shaft for waste water, has at least one tube (2) which is closed by means of a base (10) and has a central longitudinal axis (25) and an inner diameter, and two diametrically opposite one another -Longitudinal axis (25) opposite connections for waste water pipes (12, 13). Arranged between the connections is a flow channel (18) connecting this, which consists of a rigid but flexible plate, the smallest diameter of which corresponds approximately to the inner diameter of the tube (2) and which is bent upward with the circumference by the smallest diameter -Edge (24) essentially bears against the inside of the pipe (2) of the shaft (1).

Inspection chambers

A plastics drainage access bowl 10 has a bottom outlet 12 and a number of inlets 14 in its hemispherical or conical wall which are formed in an injection moulding process. The bowl is supplied to the customer with removable snap-in covers 15 for all but one inlet, which covers are shaped to conform with the internal surface of the bowl. Plastics inlet connections (not shown) may be cemented to the outside of the bowl. <IMAGE>

Plastic shaft body

INSPECTION CHAMBER FOR DRAINAGE SYSTEM

Whole surface welded anti-slip coatings on plastic man holes (profiled strips and plastic granulates)

The deep drawing process produces a gripping bridge for a shaft bottom from plastic granulate (3), which is applied to the side intended to face the concrete during the thermal plastic deformation of the shaft bottom half-part (1), making use of the process heat of the deep drawing process, and is welded to the surface of the shaft bottom half part by this means.

Manhole base with molded seal

Schachtunterteil (1) eines Kanalisationsschachts, wobei das Schachtunterteil (1) im Wesentlichen aus Beton besteht, eine aus Kunststoff bestehende Auskleidung (2) seiner Innenflächen aufweist, sowie Zulauf- und Auslauföffnungen (5, 6) aufweist, an welche Rohrleitungen anschließbar sind, dadurch gekennzeichnet, dass eine Dichtung (7), welche eine Zulauf- und / oder Auslauföffnung (5, 6) umgibt, als integraler Bestandteil des Schachtunterteils (1) vorgesehen ist, wobei die Dichtung (7) von dem Kunststoffmaterial der Auskleidung (2) umgossen ist.

Manhole shaft element and manhole shaft

Trench

PURPOSE: A collecting well is provided to simply connect pipes having various sizes and shapes to a main body by forming a through path in a plug member. CONSTITUTION: A collecting well comprises a main body and a plug member(300). The top of the main body is opened. The main body comprises an inner space, multiple side members and a bottom member. The side members have openings(110-1). The plug member closes the openings formed on the side members of the main body and comprises a cylindrical housing(301), a filling member(304), a front plate(302), and a rear plate(303). The front and rear ends of the housing are opened. The inner space of the housing is filled with the filling member. The front plate is coupled to the first longitudinal end of the housing. The rear plate is coupled to the second longitudinal end of the housing.

Plastic inspection well and construction method thereof

一种塑料检查井，包括井座的安装、井座与主管道、井筒安装、井筒与支管的安装等，井筒、进（出）水管道与井座的连接采用橡胶密封圈柔性连接，可适应小范围的内角度变化，施工方便快捷，密封性能好、有效防止渗漏，环保节能。其安装工工艺技术先进，节约人工，加快施工进度，提高排水管道防渗漏性能，管道清通方便，占地面积及开挖面积小，其综合造价低，维护费用少，比传统检查井更具优势，具有显著的经济效益、社会效益和环境效益，十分值得推广。

Drainage inspection chambers

In a drainage inspection chamber of the kind having a manhole access and a base with at least one channel in the base extending between an inlet opening and an outlet opening, the base is formed from plastics material and has an integral side wall structure, circular openings in the side wall structure constituting the inlet and outlet openings. Separately formed socket members for receiving inlet and outlet pipes are located at each of the openings, each of the socket member being provided with a resilient sealing member for sealing with the outer surface of a pipe fitted into the socket member, the sealing member also serving simultaneously to seal the socket member with the internal surface of the inspection chamber.

Reinforced plastic inspection well

一种加强型塑料检查井，其涉及检查井领域。其包括有井座、井筒、收口井圈，井座上端连接井筒，井筒上端连接收口井圈，其特征在于所述收口井圈上设置有加强筋，所述的井筒、井座壁上都设置有环形加强圈，所述的井筒采用中空壁PVC管材、HDPE双壁波纹管、HDPE缠绕管和可调节井筒，所述的井座采用一次性注塑成型、浇筑成型或滚塑成型，以异径接头及密封圈等配件来达到改变管径及角度的连接。本发明增加了收口井圈的环刚度和承压强度，延长检查井的使用寿命。

Underground chamber arrangement

Drainage inspection and access chamber

Method for in situ renovation of a manhole, particularly a sewer manhole, and prefabricated liner therefore

There is described a method and a liner for in situ renovation of a sewer manhole, e.g., a transition well, where inside the well there is inserted a prefabricated liner in the shape of a glass fiber reinforced stocking of thermosetting polyester or epoxy formed by winding, weaving or braiding externally of a unilaterally suspended mold with a diameter allowing the mold to be lowered through a manhole curb or cone, the rubber coating consisting of a detachable rubber bag that is fastened to a flange to be displaced externally on the mold, the polyester or epoxy liner being wound, woven or braided in such a way that the length/diameter ratio of the liner may subsequently be changed by changing the length/diameter ratio of the liner as the polyester or epoxy impregnated glass fibers are connected with the flange by the winding, weaving or braiding.

METHOD AND MOLD ASSEMBLY TO MOLD BY ROTATION A PART OF PIPE WITH AN EXTREME OF TAP, AS WELL AS A PART OF PIPE OBTAINED WITH THE SAME

La invención se refiere a un método y un ensamble de molde para moldear por rotación una parte de tubería (1) que comprende un cuerpo principal (2) y un extremo de grifo (3), el extremo de grifo (3) teniendo por lo menos una sección dedicada (5) con un contorno externo (6) que durante el uso ha de efectuar un ajuste estrecho con una parte externa; por lo menos durante el enfriamiento una estructura de soporte (8) se provee en la parte de tubería (1), por lo menos durante el enfriamiento de dicha parte, para mantener la sección dedicada (5) en contacto con el molde (22) para tener el contorno externo (6) de la sección dedicada (5) conformado al contorno interno del molde (22); la estructura de soporte se puede convertir en parte de la parte de tubería durante el moldeo. The invention relates to a method and a mold assembly for rotationally molding a part of pipe (1) comprising a main body (2) and a tap end (3), the tap end (3) having less a dedicated section (5) with an external contour (6) which, during use, has to make a narrow adjustment with an external part; at least during cooling a support structure (8) is provided in the pipe part (1), at least during the cooling of said part, to keep the dedicated section (5) in contact with the mold (22) to have the external contour (6) of the dedicated section (5) conformed to the internal contour of the mold (22); The support structure can become part of the pipe part during molding.

Manhole for sewage pipe systems, is formed by rotation molding with joints shaped to give different mounting zones for fitting to at least one nominal interior diameter of the pipe fitting

Manhole for sewage pipe systems, is formed by rotation molding with joints shaped to give different mounting zones for fitting to at least one nominal interior diameter of the pipe fitting The manhole, for a sewage channel system, is shaped by rotation molding with at least one joint to be mounted at the fitting at one end of the sewage pipe. The joint has at least one mounting zone (111-113), each zone being of dimensions to fit the diameter of the fitting in at least three successive sections. The first sections (21,24,27), nearest the center of the manhole, are at a conicity of 0-5% angled towards the joint axis and away from the manhole. The intermediate sections (22,25,28) have an outer surface in a truncated cone shape with a conicity of \-10%. The third sections (23,26,29), furthest from the center, have a conicity of 0-5% angled towards the joint axis and away from the manhole. The structure gives an effective mounting, despite the inherent spacing at the side with a rotation molding.

DRAINAGE WELL

Sewage tanks and grinder pump systems

A sewage tank for use with a pump such as a grinder pump to convey sewage. The sewage tank includes a container having an upper portion and a lower tapering portion defining a chamber for containing the pump. The lower tapering portion has a reduced size compared to the upper portion. The upper portion and the lower portion may include a plurality of intersecting vertical ribs and horizontal ribs defining a plurality of recessed pockets. The lower portion of the sewage tank may also include an outwardly-extending flange sufficiently sized so that soil may be backfilled around the bottom of the tank to prevent the tank from floating upward out of the ground due to its buoyancy under high ground water conditions. A sewage tank having a stepped flange is also disclosed.