Electric heating – Heating devices
Patent
1981-07-29
1984-02-07
Envall, Jr., Roy N.
Electric heating
Heating devices
219201, 166 545, 441 2, 441 33, H05B 302
Patent
active
044305524
ABSTRACT:
A thermal release device made up of a heating element in contact with a thermally fusible connective link which upon supplying electric current to the heating element melts through the link and parts the linkage.
REFERENCES:
patent: 1167481 (1916-12-01), Copeland
patent: 3329799 (1967-07-01), Carmody
patent: 3597585 (1971-08-01), Ohno
patent: 3773109 (1973-11-01), Eberline
patent: 3792421 (1974-02-01), Frazier
patent: 4021638 (1977-05-01), Asakura
patent: 4136415 (1979-12-01), Blockburger
patent: 4208738 (1980-06-01), Lamborn
Envall Jr. Roy N.
Walberg Teresa J.
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