Stock material or miscellaneous articles – Structurally defined web or sheet – Including variation in thickness
Patent
1987-05-29
1989-08-15
Lesmes, George F.
Stock material or miscellaneous articles
Structurally defined web or sheet
Including variation in thickness
219543, 252518, 338308, 428161, 428323, 428328, 428413, 4284231, 428447, 428689, 428702, B32B 300, H05B 316, H01B 506
Patent
active
048573841
ABSTRACT:
Disclosed are an exothermic conducting paste mainly comprising a synthetic resin and a heat stable metal oxide which is positive in temperature coefficient of electric resistance and has an electric specific resistance of not more than 5.times.10.sup.3 .mu..OMEGA.cm at ordinary temperature, and an electric resistance heating unit wherein a desirably shaped solid or solid surface is coated or impregnated with said paste. This heating unit has an uniform temperature distribution, is adjustable to any desired temperature below 350.degree. C., and further can be formed in various shapes.
REFERENCES:
patent: 3876560 (1970-04-01), Kuo et al.
patent: 3936790 (1976-02-01), Eastwood et al.
patent: 3947277 (1976-03-01), Carnahan et al.
patent: 4027004 (1977-05-01), Sleight
patent: 4107387 (1978-08-01), Boonstra et al.
patent: 4186423 (1980-01-01), Yoshida et al.
patent: 4499011 (1985-02-01), Boonstra et al.
Mio Mitsushi
Negita Hisao
Awaji Sangyo K. K.
Lesmes George F.
Monroe James B.
Yee Stephen F. K.
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