Vacuum deep-drawing device for producing upholstery...

B - Operations – Transporting – 29 – C

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B29C 51/10 (2006.01) A47C 7/18 (2006.01) B29C 44/14 (2006.01) B29C 51/26 (2006.01) B29C 67/20 (2006.01) B68G 5/02 (2006.01)

Patent

CA 1306331

11 ABSTRACT OF THE DISCLOSURE A double-acting stretch frame is proposed for vacuum deep-drawing of covers in the course of producing foam upholstery, which has a narrow edge and preferably an additional sealing device, so that the applied cover can be assuredly retained after a certain amount of moving into the hollow mold chamber.

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