Tamper-Evident Screw Closure for Containers and Bottles, Especially for Plastic Bottles
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United States of America Patent
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Issued Date -
May 14, 2009
app pub date -
Aug 12, 2006
filing date -
Sep 15, 2005
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A plastic tamper-evident screw closure is disclosed for containers and bottles. An exemplary tamper-evident screw closure includes a screw cap, which has a cylindrical jacket with an internal thread, and an annular tamper-evident strip which is connected to a free edge of the jacket by breaking webs or the like and is equipped with locking elements. The tamper-evident strip can have a smaller outside diameter than the jacket of the screw cap. The locking elements can be configured as undercut regions in the tamper-evident strip which in each case run between two adjacent breaking webs as a ring segment, and extend from a cylindrical inner wall to an outer wall of the tamper-evident strip.
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