Sealing closure cap assembly

Details Sealing closure cap assembly Sealing closure cap assembly

1974-06-03

1976-08-10

Norton, Donald F.

Bottles and jars

Closures

Cap type

215346, 215350, B65D 4104

Patent

active

039736903

ABSTRACT:
A sealing closure assembly for a container mouth including a closure cap and a sealing member having a sealing portion which sealingly engages with a releasable locking fit with the mouth of said container and a cap engaging portion slidably engageable by an axially outwardly facing shoulder of the closure cap. The sealing portion of said sealing member remains in place in sealing relation to the closure mouth for a portion of the rotation of said closure cap means when the same is rotated in a direction to unthread the same from the external screw thread means of the container and is forced from sealing and locking engagement with the container mouth by the shoulder of the closure cap solely by the force created by the further unthreading of the closure cap means from said external screw thread means of the closure cap means.

REFERENCES:
patent: 2670869 (1954-03-01), Martin
patent: 3331523 (1967-07-01), Exton

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