Coated cartridge heater

Details Coated cartridge heater Coated cartridge heater

1991-06-14

1992-08-04

Evans, Geoffrey S.

Electric heating

Heating devices

With heating unit structure

219523, 219534, 338238, H05B 344

Patent

active

051361434

ABSTRACT:
An improved cartridge heater comprising a electrical resistance heating wire coil enclosed in a stainless steel cylindrical sheath and having bonded thereto a coating containing a solid lubricant and a binder. The solid lubricant providing for ease of removal of the cartridge heater from a bore hole into which it has been inserted for use and providing a barrier to corrosion between the cartridge heater and the metal of the apparatus in which the bore hole is located.

REFERENCES:
patent: 3663799 (1972-05-01), McArn
patent: 3965808 (1976-06-01), Chomette
patent: 4115686 (1978-09-01), Williams et al.
patent: 4120086 (1978-10-01), Crandell
patent: 4227535 (1980-10-01), Connor
patent: 4300038 (1981-11-01), Schwarzkopf
patent: 4492556 (1985-01-01), Crandell
patent: 4514160 (1985-04-01), Davidsmeyer
patent: 4711625 (1987-12-01), Knauer et al.
patent: 4841127 (1989-06-01), Prager et al.
patent: 4875845 (1989-10-01), Hara et al.
patent: 5013890 (1991-05-01), Gamble
Willis, Jr., David P.; "Fighting Friction with Bonded Coatings", Brochure distributed by Whitford Corp., Reprinted from the Apr. 10, 1980, Machine Design Magazine.

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