Plastic cap with pressure seal
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United States of America Patent
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Jul 30, 1985
Issued Date -
N/A
app pub date -
Sep 26, 1980
filing date -
May 30, 1978
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
This disclosure relates to a closure formed of plastics material for use in conjunction with a container also formed of a plastics material. The closure is particularly adapted for use with containers in the form of bottles which are intended to have a product packaged therein under pressurized conditions. The closure cooperates with a lip of the bottle so as to radially inwardly deform the lip with the exterior surface of the lip forming a seal with the closure. The portion of the closure engaging the lip is drawn radially inwardly under pressure by the axial deformation of an end panel of the closure.
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