Electric heating – Heating devices – With heating unit structure
Patent
1984-07-13
1986-12-23
Goldberg, E. A.
Electric heating
Heating devices
With heating unit structure
219544, 219553, 338214, 174102SC, H05B 334
Patent
active
046313923
ABSTRACT:
An assembly comprising a flexible corrugated metal tube and an elongate resistive heating element that is within the tube and which can be connected to a power supply to provide an elongate electrical heater. The tube has a wall thickness less than 0.012 inch, a corrugation depth greater than 0.030 inches and a distance between corresponding points in adjacent corrugations from 0.02 inch to 0.75 inch. The corrugations extend around the entire periphery of the tube.
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Fang Shou-Mean
O'Brien Michael T.
Sopory Umesh K.
Burkard Herbert G.
Goldberg E. A.
Kaufman Stephen C.
Lateef M. M.
Raychem Corporation
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