Injection molded plastic closure
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United States of America Patent
Stats
-
Jan 14, 1986
Grant Date -
N/A
app pub date -
Sep 6, 1984
filing date -
Sep 6, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
This relates to the formation of a cylindrical portion of an injection molded plastic member having an internal thread, rib or bead. In order to facilitate stripping of the thread, rib or bead from an associated core, the cylindrical element has formed in its exterior surface in axial alignment with the thread, rib or bead a groove of the same configuration. Thus, when the member is stripped from a core, the thread, rib or bead may expand radially outwardly into the corresponding groove without a material radial deformation of the cylindrical element.
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Family
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Cited Art Landscape
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