Protruding end stops for plastic reclosable fastener
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United States of America Patent
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-
Jul 21, 1992
Grant Date -
N/A
app pub date -
Mar 22, 1991
filing date -
Mar 22, 1991
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A thermoplastic bag having a zipper that is operated by a slider is provided with end stops that are integral with the ends of the zipper and prevent the slider from going off past the end of the zipper and coming off the bag. There is also disclosed a method for forming these end stops by ultrasonically smashing the ends of the zipper.
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