Cartridge heater with a release coating

Details Cartridge heater with a release coating Cartridge heater with a release coating

2006-03-14

2006-03-14

Evans, Robin O. (Department: 3742)

Electric heating

Heating devices

With heating unit structure

C219S523000, C219S534000, C219S540000, C392S497000

Reexamination Certificate

active

07012226

ABSTRACT:
A cartridge heater for mounting in the bore hole of a device to heat the device, having an improved release coating to facilitate the removal of the cartridge heater from the bore hole subsequent to operation at elevated temperatures, wherein the release coating is a fast-drying, graphite-based solid film lubricant that bonds to the heater.

REFERENCES:
patent: 3965808 (1976-06-01), Chomette
patent: 4227535 (1980-10-01), Connor
patent: 4841127 (1989-06-01), Prager et al.
patent: 5013890 (1991-05-01), Gamble
patent: 5136143 (1992-08-01), Kutner et al.
patent: 5176339 (1993-01-01), Schmidt
patent: 2004/0112893 (2004-06-01), Okuda
Fighting Friction with Bonded Coatings, Machine Design Magazine, Apr. 10, 1980.

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