Threaded bottle lid

Details Threaded bottle lid Threaded bottle lid

1979-01-02

1980-11-04

Norton, Donald F.

Bottles and jars

Closures

Cap type

215DIG1, B65D 4104

Patent

active

042314801

ABSTRACT:
A lid for closing a wide mouth bottle has a sealing disc with a depending peripheral skirt. The skirt has an internal helical thread which takes the cross-sectional form of an elongated trapezoid tilted toward the sealing disc. The thread is formed of a flexible material for being deflected away from the disc and wedged against the neck of the bottle by the threads on the neck as the lid is tightened on the bottle.

REFERENCES:
patent: 3074579 (1963-01-01), Miller
patent: 3640416 (1972-02-01), Temple

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