Dual tongue and slot container lock

Details Dual tongue and slot container lock Dual tongue and slot container lock

1977-02-17

1977-11-08

Price, William

Receptacles

Closures

Removable closure retained by ductile in situ deformation

220 31, 229 25R, B65D 4118, A47J 4100, B65D 100

Patent

active

040571696

ABSTRACT:
A one-use-disposable type of foamed plastic container including a dished bottom and a dished top hinged to each other, the top having an inwardly flexible front wall the closeable edge of which includes a laterally outwardly directed locking tongue bifurcated by a deep notch into two protruding tongue sections, and the bottom having a skirt with an inwardly directed recess and a pair of slots in the recess to receive the dual tongue sections and lock the bottom and top together in the closed position.

REFERENCES:
patent: 3145896 (1964-08-01), Reifers et al.
patent: 3935962 (1976-02-01), Schubert et al.
patent: 3984027 (1976-10-01), Smith

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