B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
18/1023, 18/1039
B29C 55/06 (2006.01) B29C 53/16 (2006.01)
Patent
CA 1163079
METHOD OF IMPROVING THE FLATNESS OF COMPRESSION- ROLLED PLASTIC FILM ABSTRACT The flatness of compression-rolled plastic film is improved by passing the film under tension over heated rolls, stretching the heated film, setting the stretched film by passing it over a tempering roll, and then cooling the set film by passing it over a cooling roll.
384120
Crown Zellerback Corporation
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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