Device for loosening metal screw caps

Details Device for loosening metal screw caps Device for loosening metal screw caps

1987-04-21

1988-06-21

Parker, Roscoe V.

Bleaching and dyeing; fluid treatment and chemical modification

Treatment of hides, skins, feathers and animal tissues

Tanning

B67B 718

Patent

active

047518618

ABSTRACT:
A device for loosening a metal screw cap is disclosed. A housing able to fit over the screw cap of a jar, bottle, or other container has an inner and an outer wall defining a chamber therebetween. An element for heating the metal screw cap are provided in the chamber, preferably a magnetizing coil wound around an outside surface of the inner wall which can induce high currents in the cap, thus loosening the cap for easy removal by hand or with the aid of the device.

REFERENCES:
patent: 2235313 (1941-03-01), Cleveland
patent: 2811062 (1957-10-01), Robertson
patent: 2931258 (1960-04-01), Ronning, Jr.
patent: 2985045 (1961-05-01), Grasty et al.
patent: 3122950 (1964-03-01), Fredrickson
patent: 3600982 (1971-08-01), Tholen
patent: 3919901 (1975-11-01), Braman
patent: 4058031 (1977-11-01), Magarian
patent: 4509784 (1985-04-01), Vollers
patent: 4519276 (1985-05-01), Grabarski et al.

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