High temperature heating element standoff

Details High temperature heating element standoff High temperature heating element standoff

1992-12-03

1994-01-25

Reynolds, Bruce A.

Industrial electric heating furnaces

Resistance furnace device

With heating element detail

219542, 174138J, F27D 100

Patent

active

052822214

ABSTRACT:
A ceramic high temperature vacuum furnace heating element standoff 10 is provided to hold a portion of an electrical high temperature heating element 62 inside the hot zone of a vacuum furnace. The standoff 10 comprises a heating element holder 18 and an anchoring rod 16. The heating element holder 18 is designed as a single ceramic piece constructed to retain the vacuum furnace heating element. The anchoring rod 16 has a straight end 50 and a hooked end 52. The straight end 50 is inserted into a neck 34 of the heating element holder 18 where the rod is retained by a pin 60. The standoff 10 is held to the vacuum furnace wall 58 by engagement of the hooked end 52 with a transverse pin 86 in a pipe-like member 82 welded to the vacuum furnace wall 58.

REFERENCES:
patent: 3134836 (1964-05-01), Malinowski
patent: 3812276 (1974-05-01), Cyrway, Jr. et al.
patent: 4259538 (1981-03-01), Jones
patent: 4321415 (1982-03-01), Christian et al.
patent: 4429403 (1984-01-01), Hooper
patent: 4771166 (1988-09-01), McGuire et al.
patent: 4799881 (1989-01-01), Grier et al.
"VFS Receives Vacuum Furnace Heating Element Patent," Mar. 31, 1981, William R. Jones, President.
Horizontal Vacuum Furnaces, G-M Enterprises, 20325 E. Walnut Dr., City of Industry, Calif. 91789.

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