Elastic roller for image forming

Details Elastic roller for image forming Elastic roller for image forming

1979-07-09

1981-05-26

Nerbun, Peter P.

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

118651, B21B 2702, G03G 1506

Patent

active

042689430

ABSTRACT:
An elastic roller composed of an axial core member and an elastic, liquid retentive layer of foam structure with uniform layer thickness surrounding the circumference of said core member, said elastic roller further comprising a flexible, liquid permeable member in a form of cylinder or sleeve having an inner diameter smaller than the outer diameter of said roller, said flexible member being disposed to cover the circumference of said roller and having extensions extending beyond the both side ends of said roller and being shrunk along the ends of said elastic foam structure layer at the both sides respectively so as to cover also said both side ends of the layer with said flexible member. A method of making the elastic roller is also disclosed.

REFERENCES:
patent: 3588264 (1971-06-01), Mallindine
patent: 3710470 (1973-01-01), Krake
patent: 3941635 (1976-03-01), Tavelle et al.

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