Cookware having integrally formed natural stone bottoms and meth

Details Cookware having integrally formed natural stone bottoms and meth Cookware having integrally formed natural stone bottoms and meth

1985-03-04

1986-11-18

Green, Randall L.

Stoves and furnaces

Liquid heater

Open-top vessel that may include lid

126246, 220 31, 220 66, 99422, A47J 2700

Patent

active

046229485

ABSTRACT:
Improved cookware is disclosed having non-ferrous metal sidewalls and a natural stone bottom central portion. The non-ferrous metal sidewalls preferably are formed of an aluminum alloy having a coefficient of thermal expansion substantially equal to the coefficient of thermal expansion of the natural stone bottom. The natural stone bottom preferably comprises an iron-rich amphibole rock, and in the particularly preferred embodiment comprises hornblende.

REFERENCES:
patent: 120233 (1871-10-01), Beardsley
patent: 213904 (1879-04-01), Jarvis
patent: 230199 (1880-07-01), Sawyer
patent: 235192 (1880-12-01), Babbitt
patent: 2719413 (1955-10-01), Panzer
Philadelphia Inquirer, Jun. 2, 1985 edition, (Today Section), p. 38, "Stone Cooking", by Jim Quinn.

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