Method of preparing cylindrical aluminum substrate for electroph

Details Method of preparing cylindrical aluminum substrate for electroph Method of preparing cylindrical aluminum substrate for electroph

1993-01-11

1993-08-24

Larson, Lowell A.

Metal working

Method of mechanical manufacture

Roller making

295274, 72272, B21C 2700

Patent

active

052377466

ABSTRACT:
A method for preparing a drum comprising a cylindrical aluminum substrate coated with an electrophotographic photoreceptor having reduced streak defects which comprises forming the cylindrical aluminum substrate by the porthole method using a mold having ceramic surfaces.

REFERENCES:
patent: 4095449 (1978-06-01), Roach et al.
patent: 4468947 (1984-09-01), Takeda et al.
patent: 4598567 (1986-07-01), Backus
patent: 4769346 (1988-09-01), Gadkaree et al.
patent: 5095730 (1992-03-01), Lauder
Ser. No. 362,833, Alien Property Custodian, May 1943, Hanff.

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