Punch device for creating a guide notch in a polymeric fastener attached to a plastic package
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United States of America Patent
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Sep 5, 2006
Grant Date -
May 8, 2003
app pub date -
Nov 2, 2001
filing date -
Nov 2, 2001
priority date (Note) -
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status (Latency Note)
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Abstract
A method and apparatus for punching a guide notch in a polymeric zipper having a male and female track with respective fins. The method includes sliding the zipper into position in a punch housing and punching a guide notch into the zipper. The guide notch is defined by a plurality of edges in the zipper, which are guided out of the punch housing.
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