Dual seal closure-adaptor

Details Dual seal closure-adaptor Dual seal closure-adaptor

1992-02-26

1992-12-29

Shoap, Allan N.

Bottles and jars

Closures

Cap type

215330, 215343, B65D 4134

Patent

active

051744600

ABSTRACT:
An adaptor and a closure are formed with precision surfaces as by injection molding so that the closure can be attached to the adaptor without the use of excessive force to create a secondary seal. The adaptor-closure can then be attached to an imprecisely formed threaded container such as an extrusion-blow molded bottle to create a primary seal. The adaptor is permanently retained on the container with securing by thread wedging, cooperating ratchet teeth or the like.

REFERENCES:
patent: Re6613 (1875-08-01), Fry
patent: 15802 (1856-09-01), Espy
patent: 40338 (1863-10-01), Fry
patent: 58281 (1866-09-01), Olry
patent: 73680 (1868-01-01), Wattis, Jr.
patent: 564878 (1896-07-01), Frisch
patent: 3092281 (1963-06-01), Davidson
patent: 3425589 (1969-02-01), Lipske et al.
patent: 3434615 (1969-03-01), Barletta
patent: 3871545 (1975-03-01), Bereziat
patent: 3905509 (1975-09-01), Markowitz
patent: 4106654 (1978-08-01), Jones
patent: 4941580 (1990-07-01), Julian

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