Image fixing apparatus having image fixing roller with electroly

Details Image fixing apparatus having image fixing roller with electroly Image fixing apparatus having image fixing roller with electroly

1993-03-01

1995-04-04

Beatty, Robert B.

Electric heating

Heating devices

Combined with diverse-type art device

355290, 492 56, G03G 1520

Patent

active

054039959

ABSTRACT:
An image fixing roller includes a core metal made of aluminum alloy and having a surface with fine recesses of 50-500 angstroms in diameter formed by providing an aluminum oxide layer on the surface of the core metal. A fluorine resin heat shrinkable tube with a shrinkage ratio of not less than 5% is wrapped directly on the core metal without use of a primer. The aluminum oxide layer and the inner surface of the core metal will be electrolytically plated with nickel so as to form a black layer.

REFERENCES:
patent: 4198739 (1980-04-01), Budinger et al.
patent: 4533231 (1985-08-01), Shigenobu
patent: 4594068 (1986-06-01), Bardutzky et al.
patent: 4829931 (1989-05-01), Mogi
Communication citing foreign counter-part applications Xerox Disclosure Journal, vol. 5, No. 1 Jan./Feb. '80.

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