Noise abatement wall

A noise-absorbing device includes a substantially flat base and embossed and/or hollow elements (1) each including at least one recess (2). This base reveals with the embossed and/or hollow elements (1), a configuration exhibiting a fractility zone of between 1 cm and 50 cm, of fractile size greater than 2.5 enabling the localization of the waves over the sound frequency range, in the vicinity of the elements (1).

Noise abatement wall

A noise-absorbing device includes a substantially flat base and embossed and/or hollow elements each including at least one recess. This base reveals with the embossed and/or hollow elements, a configuration exhibiting a fractality zone of between 1 cm and 50 cm, of fractal dimension greater than 2.5 enabling the localization of the waves over the sound frequency range, in the vicinity of the elements.

Use of solvents derived from renewable resources, paints and coating including them, method for preparing them

The invention relates to application of solvent(s) to a product including at least one binder, wherein the product is a paint or coating formulation and the solvent is a compound of renewable vegetable origin, notably agricultural origin. It also relates to a paint or coating including at least one binder and one solvent, wherein the solvent is of renewable vegetable origin. Formulations are given.

Bitumen gel emulsion for spreading.

COMPOSITIONS FOR SUPERIOR LAYERS OF PAVEMENTS WITH ANTI-NOISE PROPERTIES

Plate type soil test apparatus and vehicle equipped with such apparatus.

BITUMEN EMULSION, PROCESS FOR OBTAINING BITUMEN EMULSION, AND METHOD FOR OBTAINING BITUMINOUS MATERIAL FOR BUILDING OR SERVICING PAVEMENTS

Emulsion de bitume comprenant une phase bitumineuse constituée par un bitume choisi parmi les bitumes purs, les bitumes fluxés et les bitumes modifiés ainsi qu'une phase aqueuse constituée au moins par de l'eau et un agent émulsifiant, caractérisée en ce qu'elle comprend un agent rupteur d'émulsion encapsulé permettant le contrôle de la rupture de l'émulsion. Bitumen emulsion comprising a bituminous phase consisting of a bitumen chosen from pure bitumens, fluxed bitumens and modified bitumens as well as an aqueous phase consisting at least of water and an emulsifying agent, characterized in that it comprises an encapsulated emulsion breaking agent allowing the control of the emulsion rupture.

Composition useful for road coating, comprises a granular mixture with specific dimensions and a binder

Composition for the road coating comprises a granular mixture and a binder, where 70-100 wt.% of the constituents of granular mixture have dimensions less than 3.15 mm, 45-100 wt.% of the constituents have dimensions less than 2 mm, 3-20 wt.% of the constituents have dimensions less than 1 mm and 2-10 wt.% of the constituents have dimensions less than 0.063 mm. Independent claims are included for: (1) the preparation of the composition for road coating, comprising either mixing the binder and granular mixture or total/partial coating of the granular mixture by the binder; (2) road coating with anti-noise properties based on the composition; (3) a binder layer based on anti-noise composition; and (4) a base layer based on the anti-noise composition.

BITUMEN EMULSION, PROCESS FOR OBTAINING BITUMEN EMULSION AND PROCESS FOR OBTAINING BITUMINOUS MATERIAL FOR CONSTRUCTION OR MAINTENANCE OF PAVEMENTS

Method for obtaining a bituminous binder, bituminous binder and application of the binder obtained.

La présente invention a pour objet un procédé d'obtention d'un liant bitumineux destiné à la réalisation d'un enduit superficiel sur une chaussée, qui consiste à préparer une solution-mère à base d'élastomère et de bitume sélectionné ou d'une huile pétrolière lourde ou d'un mélange de bitume sélectionné et d'huile pétrolière lourde ou d'un mélange de bitume et d'huile pétrolière lourde, à diluer la solution-mère avec un plastifiant non volatil ou une huile pétrolière lourde ou un fluxant pétrolier ou carbochimique ou leurs mélanges pour abaisser la viscosité, à mélanger le produit obtenu avec un bitume routier et à effectuer le fluxage du mélange avec un diluant, un fluxant pétrolier ou carbochimique, ou un bitume fluidifié en quantité nécessaire pour obtenir la viscosité désirée pour le répandage.

Plate type soil test apparatus and vehicle equipped with such apparatus.

L'appareillage d'essai de sol comporte une plaque d'appui (2) destinée à venir en appui sur le sol à tester, des moyens de sollicitations mécaniques (4, 5) de ladite plaque (2) et des moyens pour la mesure de données relatives à ces sollicitations, desquelles l'on déduit des valeurs représentatives de la compacité du sol testé. Il comporte pour une même plaque d'appui (2) des moyens de sollicitation de type dynamique (4) et des moyens de sollicitation de type statique (5). The soil test apparatus comprises a support plate (2) intended to come to rest on the soil to be tested, means (4, 5) for mechanical stressing of said plate (2) and means for measuring data relating to these stresses, from which values representative of the compactness of the soil tested are deduced. It comprises for the same support plate (2) dynamic type biasing means (4) and static type biasing means (5).

Noise abatement wall comprises plane base with raised cone section elements each having recess

The noise abatement wall comprises a plane base and raised and/or hollow elements (1) each comprising a recess (2). The raised elements are cone sections with rectangular bases (4,6).

USE OF SOLVENTS FROM RENEWABLE RESOURCES, PAINTS AND COATINGS COMPRISING THE SAME, PROCESS FOR PRODUCING THE SAME

L'invention concerne une application de solvant(s) à un produit comportant au moins un liant telle que le produit est une formulation de peinture ou d'enduit et que le solvant est un composé d'origine végétale renouvelable notamment agricole. Elle concerne également une peinture ou un enduit comportant au moins un liant et un solvant, tel que le solvant est d'origine végétale renouvelable. Des formulations sont données. The invention relates to an application of solvent (s) to a product comprising at least one binder such that the product is a paint or coating formulation and that the solvent is a compound of renewable vegetable origin, especially agricultural. It also relates to a paint or a coating comprising at least one binder and a solvent, such that the solvent is of renewable vegetable origin. Formulations are given.

Gelled bitumen emulsion for spreading.

La présente invention concerne une émulsion de bitume pour répandage comportant une phase aqueuse continue, une dispersion de bitume, un agent émulsifiant, apte à être transformée par rupture, de manière à produire un liant routier. Selon l'invention, elle comprend un agent gélifiant et elle présente un seuil d'écoulement. Cette émulsion est à la fois simple à répandre et stable après répandage. The present invention relates to a bitumen emulsion for spreading comprising a continuous aqueous phase, a dispersion of bitumen, an emulsifying agent, capable of being transformed by breaking, so as to produce a road binder. According to the invention, it comprises a gelling agent and it has a flow threshold. This emulsion is both simple to spread and stable after spreading.

USE OF SOLVENTS FROM RENEWABLE RESOURCES, PAINTS AND COATINGS COMPRISING THE SAME, PROCESS FOR PRODUCING THE SAME

Use of a solvent in a product containing at least one binder, where the product is a paint or coating formulation, and the solvent is a compound obtained from vegetable or animal renewable resources, preferably agricultural plant including forest or aquaculture, the binder is not chemically reactive in the paint or coating by evaporation or by siccativation as the case while being compatible with the rest of the formulation, is claimed. Independent claims are included for: (1) a paint or coating comprising at least one binder and at least one solvent in the formulation; (2) a process for the preparation of a composition of paint or coating type from the formulation comprising at least one petrochemical solvent, comprising substituting a petrochemical solvent by at least one solvent from vegetable or animal renewable resource, preferably agricultural vegetable including forest or aquaculture, where the solvent is compatible with the rest of the formulation; and (3) the paint or coating type composition specifically obtained by the process.

Laser cvd device

(57)【要約】 【課題】 エマルジョンの凝離を制御することのできる ビチューメンエマルジョンを提供する。 【解決手段】 純粋ビチューメン、融解したビチューメ ン及び変性ビチューメンから選ばれたビチューメンから なるビチューメン系と、少なくとも水と乳化剤とを含む 水系とで構成されたビチューメンエマルジョンであっ て、該ビチューメンエマルジョンは、エマルジョンの凝 離を制御することのできるカプセル入りのエマルジョン 凝離剤を含有することを特徴とするビチューメンエマル ジョン。

Road vehicle for spreading pavement repair materials, with integral compactor

This vehicle comprises, mounted on a carrier chassis, a reception device (6) for the material, a transfer device for the latter towards a distribution member (12), a reservoir (25) for bonding product (3), a dispensing boom (16), and a motorisation unit (21). <??>The chassis comprises a part (17) located to the rear of the distribution member (12, 32) for the material and mounted on rolls or balls (20a, 20b, 20c), independently of the rolling elements (14) of a front part (7), and on which is arranged at least the motorisation unit (21), the reservoir (25, 34), or the control and transmission means (22) so that their own weight exerted on this part (7) renders it capable of forming a roller. <IMAGE>

Road vehicle for the spreading of materials for repair of the highway, with integrated compactor

Vehicle including, mounted on a chassis, a device for receiving material to be spread, a device for transferring the material towards a spreading component, a tank for binding product, a distribution bar, and a motorization assembly. The chassis includes at a rear portion, after the component for spreading the material, and mounted on rollers or balls that are rotatable independent of rolling elements mounted on a front portion, at least one of the motorization assembly, the tank and a control and transmission mechanism providing weight to the rear portion to permit the rear portion to act as a compactor.

FLOW-WATER COMPOSITION AND PROCESS FOR PREPARING SUCH A COMPOSITION

METHOD FOR REALIZING A BREAKING OR SPREADING EMULSION FOR RECEIVING A COVER OR GRAVILLAS FOR ROAD COVERING.

Noise abatement wall

The invention relates to a noise abatement wall. The device comprises an approximately planar base and elements (1) which are raised and/or hollow, each comprising at least one recess (2). A configuration with a fractal zone ranging from 1cm to 50 cms is revealed by said base and raised and/or hollow elements (1), the fractal dimension thereof being greater than 2.5, enabling the location of waves in the sound frequency range in the vicinity of said elements (1).

PROCESS FOR IMPROVING THE ANTI-K CHARACTER OF A BITUMINOUS COATING AND BITUMINOUS COATING OBTAINED

Bitumen emulsions, method for their preparation and their use for the maintenance or the making of road surfaces

Bitumen emulsion compositions having (i) a bituminous phase comprising a bitumen selected from pure bitumen, fluid bitumens and modified bitumens, and also (ii) an aqueous phase comprising water and an emulsifying agent. The composition also comprises an encapsulated emulsion-breaking agent enabling control of the emulsion splitting, with rupture of the encapsulated agent effected by a mechanical action.

Noise abatement wall

La présente invention concerne un dispositif d'absorption du bruit. Le dispositif comprend une base approximativement plane et des éléments (1) en relief et/ou en creux comportant chacun au moins un évidement (2). Cette base révèle avec les éléments (1) en relief et/ou en creux une configuration présentant une zone de fractalité comprise entre 1 cm et 50 cm, de dimension fractale supérieure à 2,5 permettant la localisation des ondes dans la gamme de fréquence du son, au voisinage desdits éléments (1).

PROCESS OF OBTAINING A BITUMINOUS BINDING BINDER AND APPLICATION OF THE BINDING

Noise abatement wall

The invention relates to a noise abatement wall. The device comprises an approximately planar base and elements (1) which are raised and/or hollow, each comprising at least one recess (2). A configuration with a fractal zone ranging from 1cm to 50 cms is revealed by said base and raised and/or hollow elements (1), the fractal dimension thereof being greater than 2.5, enabling the location of waves in the sound frequency range in the vicinity of said elements (1).

Deicing composition used for roads, comprises a melting material and a solution of a hydrosoluble gelling agent

Deicing composition comprises a melting material and a solution of a hydrosoluble gelling agent.

STICKY COMPOSITION FOR HIGH-PERFORMANCE ARMED BITUMEN / POLYURETHANE POLYURETHANE

Method for obtaining a bituminous binder, bituminous binder and application of the binder obtained.

Prepn. of a bituminous binder comprises: (i) preparing a mother liquor of elastomer and bitumen and/or petroleum heavy oil of initial distn. point 300 degrees C; (ii) adding a dilution agent from non-volatile plasticisers, heavy petroleum oils, petroleum flow aids and/or coal industry by-products; (iii) mixing with a road-surface bitumen; and (iv) fluidising the prod. with a diluent, flow aid and/or coal industry by-prod. The obtd. prod. is also claimed per se.

Bitumenemulsionen, ihr herstellungsverfahren und ihre verwendung für die konstruktion und wartung von strassenoberflächen

Bodenprüfvorrichtung mit einer druckplatte und fahrzeug mit dieser prüfvorrichtung.

Verfahren zum erhalten eines bituminosen bindemittels, bitumenbindemittel und dessen verwendung