Cup and closure system

Details Cup and closure system Cup and closure system

1985-10-31

1989-05-23

Pollard, Steven M.

Special receptacle or package

Structural features for nesting identical receptacles or...

215232, 2291231, B65D 4100

Patent

active

048322016

ABSTRACT:
A container comprising a rigid, injection-molded plastic cup, and an impermeable membrane closure, wherein the angle of divergence of the sidewall of the cup is optimized based upon ease of opening and stackability.

REFERENCES:
patent: 3488201 (1970-01-01), Pizarro
patent: 3765595 (1973-10-01), Bernhardt
patent: 4209126 (1980-06-01), Elias
patent: 4215797 (1980-08-01), Chen
patent: 4333601 (1982-06-01), Grimm

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