Hinged closure

Details Hinged closure Hinged closure

1980-03-24

1981-10-06

Hall, George T.

Receptacles

Closures

Removable closure retained by ductile in situ deformation

220307, 220334, 220339, B65D 4116, B65D 4118

Patent

active

042930790

ABSTRACT:
A receptacle includes a square tubular plastic body member closed at its bottom and open at its top and having formed in the corners of its upper border inwardly projecting locking barbs provided with downwardly inwardly inclined upper cam surfaces and bottom horizontal locking edges. An integrally formed closure assembly includes a square frame having a depending skirt wall telescoping the body member top border and having recesses formed in its corners receiving corresponding barbs and having bottom shoulders engaging the barb bottom edges, the frame having a top peripheral flange abutting the body member top edges. A lid is self hinged to the frame and includes a skirt wall engaging the frame flange in the lid closed position and depending corner elements engaging the frame corner recesses. Cooperating latching elements are provided at the free edges of the frame and lid.

REFERENCES:
patent: 3874580 (1975-04-01), Weathhead
patent: 4106672 (1978-08-01), Tecco et al.
patent: 4163496 (1979-08-01), Dogliotti
patent: 4170315 (1979-10-01), Dubrach et al.

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