B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
154/29.11
B29C 35/02 (2006.01) B29C 53/48 (2006.01) B29C 53/84 (2006.01) B29C 65/18 (2006.01) B29C 65/78 (2006.01) B30B 15/34 (2006.01)
Patent
CA 1252378
APPARATUS FOR HEAT SEALING ABSTRACT OF THE DISCLOSURE An apparatus for lap sealing plastics resin films is disclosed. The apparatus includes a heated and driven belt and a back-up plate. The belt may be driven independently of the film, such that its speed need not equal that of the film. The back-up plate includes a finger means for orienting the film into a lapped position and a sealing surface which permits the film to slide without damage and which does not act as a heat sink.
487082
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
Reynolds Metals Company
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