Thermoforming Device with a Plurality of Cutting Lines

The present invention relates to a thermoforming device for thermoforming a product ( 1 ) from a plastic foil ( 23 ), and to a corresponding method. The invention relates particularly to a thermoforming process and device in which a slot ( 2 ) is arranged in a product ( 1 ) to be formed. The invention also relates to a product ( 1 ), particularly a flowerpot, manufactured using this thermoforming device or method. The thermoforming device is characterized in that the cutting sleeve ( 10 ) and cutting plate ( 7 ) and/or hold-down element ( 8 ) define an auxiliary cutting line through which the plastic foil ( 23 ) is cut in order to arrange a slot ( 2 ) in the product ( 1 ) to be formed. The functions of slot-forming and product-foil separation are hereby performed by substantially the same components.

DEVICE, MOULD ASSEMBLY AND METHOD FOR THERMOFORMING OF A PRODUCT FROM A PLASTIC FILM

A device and method for thermoforming of a product from a plastic film includes a mould assembly which is used in such a device. The plastic film is clamped between the mould parts in primary and secondary manner. The forming process can hereby be divided into more or less independent zones. Different forming techniques, positive or negative, can be used in the different zones. This makes it possible to combine the advantages of the two techniques in one forming process. 1. A device for thermoforming of a product from a plastic film , comprising:a first mould part comprising a first forming part, said first forming part being configured to form a first part of the product;a second mould part comprising a second forming part, said second forming part being configured to form a second part of the product which is integrally connected to the first part, wherein the first forming part and the second forming part co-act for the purpose of forming a secondary clamping of the film;wherein the first and second mould part are movable relative to each other for the purpose of providing a primary clamping of plastic film, arranged between the first and second mould part, at a distance from the first and second forming part; a first pressure difference over the plastic film situated between the primary and secondary clamping for the purpose of carrying the plastic film to the second forming part; and', 'a second pressure difference over the plastic film situated inside the secondary clamping for the purpose of carrying the plastic film to the first forming part;, 'the device further comprising a pressure system configured to applywherein the first mould part comprises a first cavity in which the first forming part is placed and wherein the second mould part comprises a second cavity in which the second forming part is placed;wherein at least one of the first forming part and the second forming part is received movably in the first or second cavity, respectively, and wherein the ...

THERMOFORMING DEVICE

The present application relates to a thermoforming device. According to an embodiment, the thermoforming device includes a gaseous medium damper for damping a relative movement of the lower mould and the upper mould and/or a gaseous medium damper for damping a relative movement of the lower mould and the ejector plate. 1. Thermoforming device comprising a lower mould , an upper mould and an ejector plate , wherein the thermoforming device is configured to form a product from a plastic foil by moving the lower mould and the upper mould toward each other and is configured to knock the product out of the lower mould by moving the lower mould and the ejector plate toward each other , characterized in that the thermoforming device comprises a gaseous medium damper for damping a relative movement of the lower mould and the upper mould and/or in that the thermoforming device comprises a gaseous medium damper for damping a relative movement of the lower mould and the ejector plate.2. Thermoforming device as claimed in claim 1 , wherein the gaseous medium damper is in communication with a reservoir with gaseous medium under pressure for the purpose of exporting gaseous medium to the reservoir during an inward movement of the damper and for the purpose of receiving gaseous medium from the reservoir during an outgoing movement of the damper claim 1 , wherein the gaseous medium damper comprises:a housing;a piston rod movable in the housing;a piston mounted on an end of the piston rod;a seal between the piston and the housing for the purpose of sealing a compression chamber formed between the piston and the housing on a side of the piston remote from the piston rod; andan opening in the compression chamber for exchanging gaseous medium with the reservoir.3. Thermoforming device as claimed in claim 2 , wherein the opening comprises a throttle opening claim 2 , wherein the pressure in the reservoir and the dimensions of the throttle opening are chosen such that a force exerted by ...

Flotator, for collecting materials floating in liquid, comprises revolving drum that reduces size of stilling zone, and reagents injector

The flotator for collecting materials floating in a liquid comprises a liquid input compartment (1), a flotation compartment (2) and a revolving drum (3) in a compact assembly. The reagents injector and the drum separating the floating materials reduce the size of the stilling zone.

Forming tool for thermoforming product, has molding form, which has cavity, and tripping device of fastening unit is accommodated in partly locked area between form segment and molding form

The forming tool (1) has a molding form (2), which has a cavity. The tripping device of a fastening unit is accommodated in a partly locked area between a form segment (5) and the molding form. The fastening unit is operable after removal of the form segment.

Thermoforming apparatus

THERMO FORM DEVICE.

The present application relates to a thermoforming device. According to an embodiment, the thermoforming device includes a gaseous medium damper for damping a relative movement of the lower mould and the upper mould and/or a gaseous medium damper for damping a relative movement of the lower mould and the ejector plate.

Thermoforming device with a plurality of cutting lines

The present invention relates to a thermoforming device for thermoforming a product (1) from a plastic foil (23), and to a corresponding method. The invention relates particularly to a thermoforming process and device in which a slot (2) is arranged in a product (1) to be formed. The invention also relates to a product (1), particularly a flowerpot, manufactured using this thermoforming device or method. The thermoforming device is characterized in that the cutting sleeve (10) and cutting plate (7) and/or hold-down element (8) define an auxiliary cutting line through which the plastic foil (23) is cut in order to arrange a slot (2) in the product (1) to be formed. The functions of slot-forming and product -foil separation are hereby performed by substantially the same components.

Pre-stretcher with reduced effective heat capacity

The present invention relates to a pre-stretcher and to a pre-stretcher system for a thermoforming device. The present invention further relates to a thermoforming device comprising the pre-stretcher or pre-stretcher system. According to the invention, the body (101, 201) of the pre-stretcher comprises a shell member (102) that defines an outer surface (103) of the pre-stretcher, an inner member (104) arranged spaced apart from the shell member (102) , and a connecting member (208) that connects the inner member (104) to the shell member (102) .The inner member (104) and the connecting member (208) delimit an inner space (107) filled with a gaseous medium within the pre-stretcher.

Assembly for a thermoforming mould, a thermoforming device, the use of the device and method of thermoforming

Pre-stretcher with improved thermal management

The present invention relates to a pre-stretcher and to a pre-stretcher system for a thermoforming device. The present invention further relates to a thermoforming device comprising the pre-stretcher or pre-stretcher system. According to the invention, the pre-stretcher may use a fluid channel and/or different materials in its body (110, 210, 410) to obtain different thermal properties for different regions (311, 313) of the pre-stretcher. This allows a better control of the thickness of the product (8) .

Dosificador perfeccionado de productos pulverulentos.

Thermoforming device, method and assembly of mould parts with a plurality of cutting lines

Dosificador perfeccionado de productos pulverulentos.

1. Dosificador perfeccionado de productos pulverulentos, de los destinados a realizar el dosificado de productos pulverulentos dimanados de productos sólidos transformados en polvo, caracterizado por estar constituido a partir de una estructura (20), que presenta en la parte superior interna una tolva (1) provista de ruedas (2) que se alojan en enclavamientos (3), disponiendo la tolva (1) en su parte inferior de una salida de producto sobre una rampa (4) sometida a vibración por un pistón (5), presentando la rampa (4), en su extremo opuesto al posicionado en la parte inferior de la tolva (1), de una compuerta (6) accionada por un pistón, estando enfrentada la compuerta (6) y el extremo de la rampa (4) sobre la embocadura de una tolva (8), movilizada por un pistón (11), presentando la tolva (8) receptora del producto dimanado de la tolva (1) a través de la rampa (4) unos elastómetros (9), así como medios de enclavamiento (10) y fijación.

Mould with improved venting, thermo-forming device and method

Form med forbedret ventilation, termoformningsanordning og fremgangsmåde

Forma z usprawnionym odpowietrzaniem, termoformujące urządzenie i sposób