Conductive rubber member

Details Conductive rubber member Conductive rubber member

2008-09-29

2011-11-29

Afzali, Sarang (Department: 3726)

Roll or roller

Concentric layered annulus

Specific composition

C492S038000, C492S028000, C492S017000

Reexamination Certificate

active

08066626

ABSTRACT:
The conductive rubber member of the invention has a conductive elastic layer to which conductivity has been imparted and which serves as an outermost layer, and a surface-treated layer formed through impregnating a surface of the conductive elastic layer with a surface-treatment liquid containing at least an isocyanate component and an organic solvent, wherein the surface-treated layer is formed of an upper portion on the outermost side, and a lower portion beneath the upper portion, the upper portion has a density of the isocyanate component which is greater on the inner side than on the surface side within the upper portion, and the lower portion has a density of the isocyanate component that gradually decreases inwardly.

REFERENCES:
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patent: 6534180 (2003-03-01), Hoshi
patent: 7638196 (2009-12-01), Hirakawa et al.
patent: 7875331 (2011-01-01), Hirakawa et al.
patent: 2007/0104906 (2007-05-01), Hirakawa et al.
patent: 2007/0110936 (2007-05-01), Hirakawa et al.
patent: 05-158341 (1993-06-01), None
patent: 2003-202722 (2003-07-01), None
patent: 3655364 (2005-03-01), None
patent: 2005-283913 (2005-10-01), None
patent: 2007-199694 (2007-08-01), None

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