Packaging for piece goods
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United States of America Patent
Stats
-
Feb 9, 1993
Grant Date -
N/A
app pub date -
Jun 26, 1991
filing date -
Oct 27, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The invention concerns an essentially hermetic wrapping, in particular a tubular pouch wrapping, comprising two strip-like edge zones of the wrap material that are joined together by sealing, and two incisions 4, 18, 24, 28 are present in at least one of the two said edge zones, the wrap material forming a grip tab between said two incisions by means of which a tear-open region is pulled off when the wrapping is being opened. When a multi-layer wrap material is used of which the layers are selected from the series: paper, unstretched polyolefin foil or layer, aluminum foil, biaxially stretched polypropylene foil, biaxially stretched polyamide foil, biaxially stretched polyethleneterphthalate foil and a sub-assembly of two or three layers of the above materials bonded together with high peel strength, wherein this series the layers of material cited earlier always are nearer the wrapped good than those cited later, then when the wrappings are opened, starting from the incisions 4, 18, 24, 28, the wrap material tears along two approximately mutually parallel lines 8.
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