Coating implements with material supply – Material flows through porous tool – Hollow roller
Patent
1995-09-19
1997-10-07
Hafer, Robert A.
Coating implements with material supply
Material flows through porous tool
Hollow roller
101376, 355248, 492 50, B05C 100, B25F 502, B41F 1310
Patent
active
056740204
ABSTRACT:
Disclosed is an oil coating roller composed of a coating fluid holding member comprising a porous hollow cylindrical molded body impregnated with a coating fluid, such as silicone oil, with a driving shaft inserted through the hollow portion thereof, both ends of the coating fluid holding member being fixed to the driving shaft, and felt fabricated of heat-resistant fiber wounded around the outer surface thereof, wherein the porous hollow cylindrical molded body is fabricated of heat-resistant fibers bound to each other with a binder and has an average pore size of 15 to 50 .mu.m and a porosity of 50 to 80%. The oil coating roller can be produced with ease, stably feeds the coating fluid for an extended period of time, and is particularly suitable for applying silicone oil to a fixing roller of an electrostatic copying machine.
REFERENCES:
patent: 3812782 (1974-05-01), Funahashi
patent: 3852862 (1974-12-01), Sukenik
patent: 4757347 (1988-07-01), Tamaoki et al.
patent: 4887340 (1989-12-01), Kato et al.
patent: 5468531 (1995-11-01), Kikukawa et al.
Horiuchi Osamu
Kimura Kohichi
Takagi Tatsuo
Tomosue Nobuya
Hafer Robert A.
Mair D. Neal
Nichias Corporation
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