Closure clip and process for the production thereof
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United States of America Patent
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Oct 4, 2011
Grant Date -
Oct 18, 2007
app pub date -
Apr 13, 2007
filing date -
Apr 13, 2006
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Closure clips and a process for the production of closure clips of strip-form or wire-form material for the closure of tubular or bag-like packagings. In the process, a substantially wave-form profile with successive first and second apex points is stamped along the strip-form or wire-form material, the first apex point forming a clip bottom, flanks respectively adjoining the first apex point on each side thereof form clip limbs that are bent over in a U-shape and the second apex point forms limb ends that are bent over outwardly with respect to the U-shape at which two adjacent closure clips are separably connected. The strip-form or wire-form closure clip material is pierced inwardly with respect to the U-shape so that a raised material portion is formed at the limb inside.
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