Can with a pressure lid

Details Can with a pressure lid Can with a pressure lid

1997-09-10

2000-07-11

Shoap, Allan N.

Receptacles

Closures

Removable closure situated by resilient distortion and...

B65D 4116

Patent

active

060859342

ABSTRACT:
A can has a flange extending inwardly from a vertical wall and with a downwardly extending skirt wall defining an opening, a lower section of the skirt wall having continuously curved to form a first rib of open tubular shape of a substantial part of a circle around a lower end of the flange skirt wall. There is a lid for fitting into and sealing the can opening, the lid having a peripheral wall therearound with an end of an upper section having a second rib to engage a top of the can flange, a central wall portion below the second rib to oppose the flange downwardly extending skirt wall above the can first rib, and a recess around the lid peripheral wall below the central wall portion of a substantially V-shape with diverging walls. The can tubular first rib fits into the lid recess to engage at points along lines tangent tc the first rib extending around the circumference of the first rib with the points of engagement of the first rib with the diverging walls of the recess forming a lock between the lid and can flange and to seal the contents in the can from entering between the opposing lid central wall portion and flange skirt wall.

REFERENCES:
patent: 1385290 (1921-07-01), Welling
patent: 2074231 (1937-03-01), Meacham
patent: 2092118 (1937-09-01), Hodgson
patent: 3200986 (1965-08-01), La Grutta
patent: 3347408 (1967-10-01), Baker, Sr.
patent: 3388827 (1968-06-01), Thanhuaser et al.
patent: 4090636 (1978-05-01), Norton
patent: 4171063 (1979-10-01), Cloutier
patent: 4606474 (1986-08-01), Dedzik
patent: 4679699 (1987-07-01), Malsbury et al.

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