Method to improve welding of profiled plastic film or tape
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United States of America Patent
Stats
-
Dec 28, 1993
Grant Date -
N/A
app pub date -
Mar 30, 1993
filing date -
Mar 30, 1993
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A method for providing a welded side seam area in a plastic bag or package having interlocking male and female profile sections on plies of plastic sheeting material includes the provision of cut-outs through one of the male and female profile sections and contiguous plastic sheeting material at preselected intervals therealong. The welds, which may be provided by a seal bar or jaws, are provided along lines including or passing through the cut-outs. A thinner and more leak-resistant side seam area between bags or packages is the result.
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Family
International Classification(s)
Cited Art Landscape
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