Sealed container

Details Sealed container Sealed container

1988-04-22

1989-12-19

Pollard, Steven M.

Receptacles

Closures

Removable closure retained by adhesive or fusion means

220308, B65D 3900

Patent

active

048877360

ABSTRACT:
A container assembly has a lid for closing and sealing the open end of the container. The container includes an outwardly curled sealing lip at its upper most periphery. The lid includes a rim having inner and out legs, and a bridge or web connecting the legs. The legs and the bridge define a downwardly opening channel proportioned to fit over the lip of the container. The legs, bridge and the lip cooperatively define therebetween a sealant cavity or the cavity may be formed only in the bridge. The sealant cavity includes a sealing material received therein. The lid further includes contact surface means. The contact surface means selectively contact the container lip to limit the minimum size of the cavity when the lid is pressed onto the container. By limiting the minimum size of the cavity, over compression of the sealing material is avoided during application of an excessive load on the container lid.

REFERENCES:
patent: 12551 (1906-11-01), Maranville
patent: 3270910 (1966-09-01), Lusk
patent: 3664544 (1972-05-01), Hammes
patent: 3696962 (1972-10-01), Fehres et al.
patent: 3753512 (1973-08-01), Curry
patent: 3773208 (1973-11-01), Curry
patent: 3792797 (1974-02-01), Mrusek et al.
patent: 3942679 (1976-03-01), Starr
patent: 3999677 (1976-12-01), Oberkircher
patent: 4078696 (1978-02-01), Crisci
patent: 4220254 (1980-09-01), Morton
patent: 4674650 (1987-06-01), Hamilton et al.
The Benefits of Plastic Caps are Obvious, the 50% Savings in Gasketing Costs are Not--Grace.
The Foam Melt System--Expanding the World of Adhesives and Sealants Nordson--1985.

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