Threaded closure and container

Details Threaded closure and container Threaded closure and container

1980-03-24

1981-10-13

Norton, Donald F.

Bottles and jars

Closures

Cap type

220304, B65D 4104

Patent

active

042943701

ABSTRACT:
A screw-type closure molded of resilient plastic is provided with an internal thread having a smaller axial pitch spacing than the mating external thread of the container with which it is used, the difference between the two threads being designed to compensate for a number of variables affecting sidewall characteristics around the circumference of the closure, in order to secure more uniform application of sealing pressure and other advantages.

REFERENCES:
patent: 4231480 (1980-11-01), Spransy

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