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Device for the thermoforming of objects having a base flange

A technology of thermoforming and objects, applied in applications, household components, household appliances, etc., can solve problems such as adverse effects, waste of raw materials, production progress, and inability to provide stagnation, and achieve the effect of strengthening hardness and stability

Inactive Publication Date: 2010-10-06
ERCA FORMSEAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, the above-mentioned documents do not provide any specific means for guiding the sliding in order to prevent the stagnation of material between the above-mentioned end annular surface and the side wall of the bottom
There is therefore a risk of disadvantages resulting in wastage of raw materials and adverse effects on production schedules

Method used

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  • Device for the thermoforming of objects having a base flange
  • Device for the thermoforming of objects having a base flange
  • Device for the thermoforming of objects having a base flange

Examples

Experimental program
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Embodiment Construction

[0020] figure 1 and figure 2 The apparatus shown in includes a thermoforming mold 10 having a thermoforming chamber 12, and a counter-mold 14 having a thermoforming piston 16 which can enter the thermoforming chamber through an opening 12' for pushing thermoplastic material into the thermoforming chamber. in the chamber.

[0021] Of course, although only one thermoforming chamber and one thermoforming piston are shown, it should be understood that the apparatus of the present invention may comprise a plurality of chambers, particularly arranged in rows, and a corresponding number of chambers aligned with said chambers. the piston.

[0022] The device according to the invention can be integrated into a plant for thermoforming containers, for filling said containers with liquid or pasty food products, and for closing said containers, for example by sealing the entire opening of the containers with a film.

[0023] In the rest of the description below, it is specified that th...

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Abstract

The invention relates to a device for the thermoforming of objects having a base flange. The inventive device comprises a thermoforming mould (19) having at least one thermoforming chamber (12) and a countermould (14) having at least one thermoforming piston (16). During thermoforming, the base (10D) of the thermoforming chamber comprises an annular space (34) for the formation of a lap of thermoplastic material that forms a base part of an object.

Description

technical field [0001] The invention relates to a device for thermoforming an object, said device comprising a thermoforming mold having at least one thermoforming chamber and having at least one opening adapted therethrough for pushing thermoplastic material into said chamber The counter-mold of the thermoforming piston to the thermoforming chamber, when thermoforming an object, the bottom of the thermoforming chamber forms an annular space in which to form folds of thermoplastic material that form the body of the object The base portion, the bottom of the thermoforming chamber, is movable between a forward position towards the opening and a retracted position in which an annular space is formed between the annular wall portion of the chamber side wall and the side wall of the bottom , the bottom side wall is arranged to face the annular wall portion, in the retracted position, the annular wall portion and the end annular surface of the chamber wall are uncovered, when thermo...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B29C51/34B65D1/26
CPCB29L2031/7132B29C51/428B29C35/02B29C51/343
Inventor 米歇尔·卢卡
Owner ERCA FORMSEAL