Method for producing bags comprising closure profiles actuated by a slider
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United States of America Patent
Stats
-
Dec 23, 2003
Grant Date -
Oct 17, 2002
app pub date -
Aug 21, 2001
filing date -
May 5, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A bag equipped with matching closure profiles. The bag is made from a supply of at least a film for forming the bag walls. A supply is unwound of closure assemblies having a W-shaped support sheet, constituting an inner U-shaped tear band provided on its inner surfaces opposite respectively matching closure profiles. External side webs extend beyond the closure profiles and the U-shaped inner band. The closure assembly is further pre-equipped with a series of sliders actuating the closure profiles distributed over the length of the unwinding closure assembly. The resulting closure assembly is fixed by the external side support webs on the film forming the bag wall.
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Family
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