Method for producing bags comprising closure profiles actuated by a slider
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United States of America Patent
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Issued Date -
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app pub date -
Aug 21, 2001
filing date -
May 5, 1998
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A method for automatically making bags equipped with matching closure profiles, including unwinding a supply of at least a film for forming the bag walls and unwinding a supply 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, and external side webs extending beyond the closure profiles and the U-shaped inner band. The closure assembly being further pre-equipped with a series of sliders actuating the closure profiles distributed over the length of the unwinding closure assembly, and fixing the resulting closure assembly, by the external side support webs on the film forming the bag wall.
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Family
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