Stock material or miscellaneous articles – All metal or with adjacent metals – Composite; i.e. – plural – adjacent – spatially distinct metal...
Patent
1978-10-10
1980-08-12
Rutledge, L. Dewayne
Stock material or miscellaneous articles
All metal or with adjacent metals
Composite; i.e., plural, adjacent, spatially distinct metal...
428655, 428685, B32B 1504, B32B 1518
Patent
active
042173981
ABSTRACT:
A thermostat metal characterized by low cost has a substantially linear temperature response over a wide temperature range from 0.degree. to 800.degree. F. and is adapted for wide use for temperature control purposes in a whole variety of electrical cooking appliances, particularly when used in combination with integral but thermally-inactive support means for the thermostat metal. The thermostat metal comprises a layer of metal of relatively high coefficient of thermal expansion having a nominal composition by weight of 72 percent manganese, 18 percent copper and 10 percent nickel metallurgically bonded to a layer of metal of relatively lower coefficient of thermal expansion comprising 430 Stainless Steel, whereby the bimetal material displays a sufficiently high and linear flexivity over a wide temperature range to be useful in the various different types of thermostats used in cooking appliances.
REFERENCES:
patent: 1991438 (1935-02-01), Wohrman
patent: 2349577 (1944-05-01), Dean
patent: 2461518 (1949-02-01), Chace
patent: 2470753 (1949-05-01), Albon
patent: 3030699 (1962-04-01), Alban
patent: 3219423 (1965-11-01), Sears et al.
patent: 3782908 (1974-01-01), White
1978 Databook, Metal Progress MID-June 1978, p. 70.
Haug John A.
Lewis Michael L.
McAndrews James P.
Rutledge L. Dewayne
Texas Instruments Incorporated
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