Torque-resistant closure for a hermetically sealed container

Details Torque-resistant closure for a hermetically sealed container Torque-resistant closure for a hermetically sealed container

1994-06-02

1997-07-22

Shoap, Allan N.

Bottles and jars

Closures

Frangible member or portion

215 43, 215355, 604411, 604905, B56D 3900

Patent

active

056496370

ABSTRACT:
An improved closure insert is provided for throat region of a blow-molded container. This closure insert is provided with a rough perimeter and is permanently molded into the container throat region during container formation from a parison. The resulting seal resists loosening or disturbance when off-axis force or torque force is applied to the closure insert during container opening.

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patent: 5135513 (1992-08-01), Meyer et al.
patent: 5156598 (1992-10-01), Skakoon et al.
patent: 5395365 (1995-03-01), Weiler et al.

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