Single-station thermoforming apparatus and method

Details Single-station thermoforming apparatus and method Single-station thermoforming apparatus and method

B - Operations, Transporting

29

C

B29C 51/42 (2006.01) B29B 13/02 (2006.01) B29C 51/10 (2006.01)

Patent

CA 2206350

A single-station thermoforming apparatus comprises at least an oven including a heating panel, formed by two panel portions which can be driven on a plane parallel to the laying plane of a plastics material sheet to be thermoformed and which can be mutually coupled at a common coupling line. The method carried out by this apparatus provides to start the heating process simultaneously on opposite sides of the sheet material. The apparatus and method of the invention provide an even distribution of heat through the overall surface of the plastics material sheet being processed, thereby preventing any thermal differentials among different regions of the material sheet being processed.

Machine de thermoformage monoposte composée d'au moins un four comportant un panneau chauffant, formé de deux sections pouvant être déplacées sur un plan parallèle au plan sur lequel est placée une feuille de matière plastique à thermoformer, et qui peuvent être mutuellement couplées sur une ligne de couplage commune. La méthode exécutée au moyen de cette machine consiste à commencer le processus de chauffage simultanément sur les deux faces de la matière en feuille. La machine et la méthode faisant l'objet de la présente invention assurent une répartition uniforme de la chaleur sur toute la surface de la feuille de matière plastique traitée, empêchant donc toute différente de température d'une région de la surface à l'autre de la feuille traitée.

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