Cleaning blade for use with photoelectronic copying machine

Details Cleaning blade for use with photoelectronic copying machine Cleaning blade for use with photoelectronic copying machine

1988-01-04

1989-04-25

Prescott, A. C.

Photocopying

Projection printing and copying cameras

Combined with or convertible to a contact printer

355 3DD, 118652, 430125, 152565, G03G 1508

Patent

active

048252492

ABSTRACT:
An improved cleaning blade for a photoelectronic copying machine. It has a sharp, resilient edge and is superior in wear resistance, and lubricating and cleaning properties. The substrate of the cleaning blade is urethane rubber and is coated with perfluoropolyether having a main structural unit represented by --C.sub.x F.sub.2x --O-- (x is 1, 2, 3 or 4) and having an isocyanate, hydroxyl, carboxyl or amino group at least at one end thereof. It may be coated with a mixture of the perfluoropolyether and an isocyanate group or a hydroxyl group.

REFERENCES:
patent: 4083633 (1978-04-01), Shanly
patent: 4218131 (1980-08-01), Ito et al.
patent: 4247196 (1981-01-01), Ogawa et al.
patent: 4284345 (1981-08-01), Sugiyama et al.
patent: 4417365 (1983-11-01), Murasaki
patent: 4469434 (1984-09-01), Yamazaki et al.
patent: 4537130 (1985-08-01), Thielacker
patent: 4630328 (1986-12-01), Croteau
patent: 4639123 (1987-01-01), Adachi et al.

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