Dual liquid tight closures

Details Dual liquid tight closures Dual liquid tight closures

1981-05-15

1982-09-28

Hall, George T.

Bottles and jars

Closures

Having warning means or means impeding closure removal

215350, 215211, B65D 5502

Patent

active

043514430

ABSTRACT:
A container and closure construction featuring double means of liquid tight-sealing with a threaded closure so arranged as to double seal combined or sequentially against two separate areas of the rim of a container neck to provide sealing properties even when closure is partially unscrewed from the top of the rim of the container. A preferred embodiment has its application of the above arrangement together with child proof safety closures having unique safety locking arrangements in the form of coincidentally registered abutments and projections formed in and/or on said container and closure which do not substantially interfere with applying the closure to the container but which can be disengaged only through purposeful mind-controlled dextrous manipulation.

REFERENCES:
patent: 3232470 (1966-02-01), Gibson
patent: 3331523 (1967-07-01), Exton
patent: 3770153 (1973-11-01), Gach et al.
patent: 3814274 (1974-06-01), McIntosh
patent: 4117945 (1978-10-01), Mumford
patent: 4134513 (1979-11-01), Mumford
patent: 4138028 (1979-02-01), Price et al.
patent: 4213534 (1980-07-01), Montgomery
patent: 4280631 (1981-07-01), Lohrman

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