Sheet for forming sleeve and process for producing the same

Details Sheet for forming sleeve and process for producing the same Sheet for forming sleeve and process for producing the same

B - Operations, Transporting

29

C

18/523, 18/978

B29C 49/22 (2006.01) B29C 47/06 (2006.01) B29C 61/06 (2006.01) B29C 61/08 (2006.01) B32B 5/18 (2006.01) B65D 23/08 (2006.01) B29C 63/00 (2006.01)

Patent

CA 1191006

ABSTRACT OF THE DISCLOSURE A sleeve and method of making the same comprising a laminate sheet having a more highly shrinkable foamed film and a lesser shrinkable non-foamed film, the ends of the laminate being bonded together so that the foamed film faces the interior of the sleeve. The foamed film has a thicker surface layer on its side opposite that laminated to the non-foamed layer, which therefore faces the interior of the sleeve. The flow direction shrinkage rate of the laminated sheet, which is 60% or less, is greater than the widthwise shrink- age rate of the laminated film. The widthwise shrinkage rate is 10% or less.

419379

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