Retainable closure

Details Retainable closure Retainable closure

1981-12-10

1984-03-20

Rolla, Joseph J.

Dispensing

With flow controller or closure

215306, B65D 4700

Patent

active

044375948

ABSTRACT:
A retainable closure for selectively atmospherically isolating a passageway in a fitting wherein the passageway terminates in an orifice. The closure comprises a retainer connected to the fitting. An elongate elastic cover is secured to the retainer. The cover is selectively positionable between a first position wherein the cover engages the orifice so as to atmospherically isolate the passageway, and a second position wherein the cover is disengaged from the orifice so as to allow unobstructed passage therepast.

REFERENCES:
patent: 1015675 (1912-01-01), Gergely
patent: 1205666 (1916-11-01), Rosenfeld
patent: 2114925 (1938-04-01), Kaneshige
patent: 3050218 (1962-08-01), Harvey
patent: 3369720 (1968-02-01), Libit et al.

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