Method of forming a container

Details Method of forming a container Method of forming a container

1978-09-21

1979-12-11

Keenan, Michael J.

Receptacles

Compartmented container

Compartment partition is movable or removable

220 66, 220 70, B21D 5126

Patent

active

041777468

ABSTRACT:
The side wall of a container is joined to the bottom portion thereof by a first frustoconical portion and a first semi-torroidal portion which, in turn, is joined to a second semi-torroidal portion; and, a bottom closing portion. In one embodiment the second semi-torroidal portion is joined to the bottom closing portion by a second frustoconical portion; a third semi-torroidal portion; and, a third frustoconical portion. In another embodiment the bottom closing portion is substantially flat but adapted to be domed outwardly under pressure and "cricket" inwardly when pressure is relieved.

REFERENCES:
patent: 3038627 (1962-06-01), Daley
patent: 3693828 (1972-09-01), Kneusel
patent: 3905507 (1975-09-01), Lyu
patent: 3979009 (1976-09-01), Walker
patent: 4065951 (1978-01-01), Lyu
patent: 4134354 (1979-01-01), Cvacho

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