Self-sealing closure

Details Self-sealing closure Self-sealing closure

1987-02-19

1987-12-15

Hall, George T.

Receptacles

Closures

Secondary closure within parameter of primary closure

220 904, 220336, 222506, 222518, B65D 5118, A47G 1922

Patent

active

047127040

ABSTRACT:
A self-sealing closure for drinking vessels is disclosed. This closure is comprised of (1) a detachable lid, which can be used to cover the receptacle of the drinking vessel, and which has a depressed area and at least one orifice within the depressed area; (2) a shutter matching said orifice; (3) means for resiliently holding the shutter against the orifice; and (4) rotatable means for pushing the shutter away from the orifice.

REFERENCES:
patent: 4171060 (1979-10-01), Howard et al.
patent: 4190173 (1980-02-01), Mason et al.
patent: 4276992 (1981-07-01), Susich
patent: 4303173 (1981-12-01), Nergard
patent: 4561563 (1985-12-01), Woods

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