Container

Details Container Container

1974-11-20

1976-02-03

Price, William

Receptacles

Closures

Removable closure retained by ductile in situ deformation

220 31, B65d 4302

Patent

active

039359620

ABSTRACT:
Locking means for a deformable plastic container having a top and bottom, such as foamed plastic food containers, which provides a positive closure but which does not interfere with stacking of empty containers, said means comprising on one part (generally the top) a protruding edge or lip which can engage an opening in the second member (generally the bottom), said opening being located in an inwardly protruding surface in a sidewall.

REFERENCES:
patent: 2884155 (1959-04-01), Hanson
patent: 3620403 (1971-11-01), Rump
patent: 3633785 (1972-01-01), Cyr et al.
patent: 3851789 (1974-12-01), Case et al.

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