B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
B29C 59/04 (2006.01) B29C 55/00 (2006.01) B29C 71/00 (2006.01)
Patent
CA 2158259
A heat-sealable oriented film or layer of a semi-crystalline thermoplastic polymer. The film has a thin, heat-sealable layer of the same thermoplastic polymer having a different heat-seal temperature, which layer is heat-sealable without requiring fusion of the entire film. There is also provided a method for producing the claimed heat-sealable film.
Hyde Patrick D.
Ouderkirk Andrew J.
Minnesota Mining And Manufacturing Company
Smart & Biggar
LandOfFree
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