Container

Details Container Container

1983-11-03

1986-04-29

Wayner, William E.

Refrigeration

Container cutter or punch-type opening means

220 67, F25D 310

Patent

active

045848483

ABSTRACT:
A self-cooling can with a double-chamber formed or drawn out of a single slug of material, the outer chamber having a relatively thin wall and the inner chamber having a relatively thicker wall, and each chamber being capped with a cap; and a spring-carried lance is provided for co-operation with the inner chamber cap to achieve a release of pressurized coolant from the inner chamber, achieving cooling by evaporation of the coolant.

REFERENCES:
patent: 3417573 (1968-12-01), Warner
patent: 3468452 (1969-09-01), Khoury
patent: 3852975 (1974-12-01), Beck
patent: 3970068 (1976-07-01), Sato
patent: 4365724 (1982-12-01), Walden
patent: 4433791 (1984-02-01), Mulawski

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