Electric heating – Heating devices – With heater-unit housing – casing – or support means
Patent
1988-11-21
1990-01-16
Reynolds, Bruce A.
Electric heating
Heating devices
With heater-unit housing, casing, or support means
219544, 285 22, 285286, H05B 358
Patent
active
048945218
ABSTRACT:
An electric heating element for electrically fusing thermoplastic materials. The heating element comprises an elongated thermoplastic insulated wire wound in a spiral configuration with adjacent surfaces of the thermoplastic insulation adhered together.
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patent: 4436987 (1984-03-01), Thalmann
patent: 4436988 (1984-03-01), Blumenkranz
patent: 4449038 (1984-05-01), Reich
patent: 4455482 (1984-06-01), Grandclement
patent: 4486650 (1984-12-01), Bridgestock et al.
Central Plastics Company
Fuller Leon K.
Reynolds Bruce A.
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