Container and closure having integral sealing means

Details Container and closure having integral sealing means Container and closure having integral sealing means

1981-08-14

1984-04-24

Hall, George T.

Receptacles

Closures

Removable closure retained by ductile in situ deformation

215DIG1, 215321, B65D 4116, B65D 4118

Patent

active

044443323

ABSTRACT:
In a container structure including a container and a closure member, the container having adjacent its mouth a rim portion provided with sealing surfaces adapted to cooperate with complementary sealing surfaces on the rim portion of the closure member, the improvement comprising one of the sealing surfaces of the rim portions of the container or the closure member including at least two spaced apart annular beads, each of the beads sealingly engaging the walls of a complementary groove formed in the sealing surface of the other rim portion in at least two separate sealing zones, so that positive sealing is accomplished with minimal inclusion of air between the sealing surfaces.

REFERENCES:
patent: 2818204 (1957-12-01), Henchert et al.
patent: 3770156 (1973-11-01), Yates, Jr.
patent: 3833141 (1974-09-01), Leitz
patent: 3881627 (1975-05-01), Davolt
patent: 4279358 (1981-07-01), Jacobs

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