Apparatus for continuous vacuum forming

Details Apparatus for continuous vacuum forming Apparatus for continuous vacuum forming

B - Operations, Transporting

29

C

B29C 59/00 (2006.01) B29C 51/24 (2006.01) B29C 59/06 (2006.01) B29C 51/10 (2006.01)

Patent

CA 2301798

An apparatus for continuous vacuum forming a material having a flexible patterned belt (14) continuously rotatable with a flat support belt (16) over a vacuum manifold (24). The flexible patterned belt (14) includes apertures (34) therein and the support belt (16) includes perforations (46) therein for drawing air therethrough. The material is drawn onto the flexible patterned belt (14) for vacuum forming the material. The flat support belt (16) provides improved stability of the flexible patterned belt (14) and improved vacuum characteristics between the belts.

Cet appareil de formation d'un matériau, sous vide continu, présente une courroie souple à motifs (14) qui tourne en continu avec une courroie de support plate (16) au-dessus d'un collecteur d'aspiration (24). Des ouvertures (34) sont ménagées dans la courroie souple à motifs (14) et des perforations (46) sont pratiquées dans la courroie de support (16), ce qui permet d'aspirer l'air à travers ces courroies. Le matériau est attiré contre la courroie souple et à motifs (14) pour être mis en forme sous vide. La courroie de support plate (16) apporte une stabilité accrue à la courroie souple et à motifs (14) ainsi que des caractéristiques de vide améliorées entre les deux courroies.

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