Receptacle with a cover of plastics material

Details Receptacle with a cover of plastics material Receptacle with a cover of plastics material

1979-07-23

1981-10-27

Lowrance, George E.

Receptacles

Closures

Removable closure retained by ductile in situ deformation

220266, 220354, 220380, 206503, 206508, B65D 4310, B65D 4303, B65D 1728

Patent

active

042968712

ABSTRACT:
A receptacle having an integral ring-shaped lock for engaging the depending rim of a cover. In order to prevent an undesirable opening said ring-shaped lock is reinforced by depending tips in a first weakened portion and supported by stays in a second weakened portion. The rim and the ring-shaped lock have interengaging conical surfaces. The cover has a depressed central area with an outer wall for engagement with the inner side of the receptacle wall.

REFERENCES:
patent: 1700611 (1929-01-01), Freeman
patent: 2854790 (1958-10-01), Hartung
patent: 3339792 (1967-09-01), Biglin
patent: 3378177 (1968-04-01), Gran
patent: 3516571 (1970-06-01), Roper
patent: 3840152 (1974-10-01), Hodge
patent: 3880288 (1975-04-01), Hunter
patent: 3965616 (1976-06-01), Ridgeway
patent: 4024976 (1977-05-01), Acton
patent: 4027775 (1977-06-01), Mygatt
patent: 4079857 (1978-03-01), Crisci

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