Sheet for forming sleeve and process for producing the same
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United States of America Patent
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Aug 7, 1984
Grant Date -
N/A
app pub date -
Jan 14, 1983
filing date -
Jan 14, 1982
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
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 shrinkage rate of the laminated film. The widthwise shrinkage rate is 10% or less.
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