Sheath heater

Details Sheath heater Sheath heater

1975-09-17

1977-07-05

Albritton, C. L.

Electrical resistors

Incased, embedded, or housed

Element inpowdered insulation with outer metallic sheath

29611, 219342, 219353, 219544, 338273, 338274, H01C 103

Patent

active

040343308

ABSTRACT:
A sheath heater comprises a pipe having two open ends, a pair of electrical terminals connected to a heat radiant body in the pipe, a region of electrically insulating powder having a high melting point and loaded inside the pipe to fix the heat radiant body, and a sealing member for the open end having a glass compound layer formed by a molten glass permeating into the insulating powder region at the open end.

REFERENCES:
patent: 1992787 (1935-02-01), Sutton
patent: 3007236 (1961-11-01), Barnes
patent: 3307017 (1967-02-01), Horstmann

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