Metal oversheathed electrical resistance heater

Details Metal oversheathed electrical resistance heater Metal oversheathed electrical resistance heater

1985-06-24

1986-12-02

Goldberg, E. A.

Electric heating

Heating devices

With heater-unit housing, casing, or support means

219537, 338242, 338238, H05B 340, H05B 306

Patent

active

046266658

ABSTRACT:
A corrosion-resistant long heater is formed by encasing segments of metal-sheathed, mineral-insulated, electrical resistance heating elements within a metal oversheath which oversheath is substantially completely impermeable and is compressed inwardly to create metal-to-metal contacts between the sheath and the encased elements.

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patent: 3657520 (1972-04-01), Ragault
patent: 3813771 (1974-06-01), Skogland
patent: 3898431 (1975-09-01), House et al.
patent: 4319127 (1982-03-01), Lindstrom et al.
patent: 4349727 (1982-09-01), Churchill
patent: 4468556 (1984-08-01), Cunningham et al.
patent: 4536660 (1985-08-01), Tetro

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