Method and apparatus for producing shade material

Details Method and apparatus for producing shade material Method and apparatus for producing shade material

B - Operations, Transporting

21

D

B21D 31/04 (2006.01) B29C 65/00 (2006.01) B31D 3/02 (2006.01) B65H 29/46 (2006.01) B65H 35/00 (2006.01) B29C 65/48 (2006.01)

Patent

CA 2183670

A method and apparatus for producing an expandable material from a strip material by longitudinally reciprocating a carriage on a frame between first and second rolls containing supplies of the strip material. The carriage is alternately engageable with the strip material of the first supply roll and the strip material of the second supply roll. The carriage includes an adhesive application device that applies an adhesive to a top surface of a stack of sheets of strip material positioned between the first and second supply rolls using the adhesive application device by moving the carriage. The strip material is then pressed and stacked by a press and stacking device that are driven by cams.

Méthode et machine utilisés pour fabriquer un matériau extensible à partir d'un matériau en bande en faisant effectuer, entre un premier et un deuxième rouleau contenant le matériau en bande, un mouvement de va et vient longitudinal à un chariot monté sur un cadre. Le chariot peut engager en alternance le matériau en bande provenant du premier rouleau, ou le matériau en bande provenant du deuxième rouleau. Le chariot comporte un dispositif servant à appliquer une matière adhésive sur la surface supérieure d'une pile de feuilles du matériau en bande passant entre le premier rouleau et le deuxième, l'application de la matière adhésive s'effectuant par déplacement du chariot. Le matériau en bande est ensuite pressé et empilé au moyen d'un appareil utilisé à cette fin et entraîné par des cames.

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