Roll or roller – Concentric layered annulus – Specific composition
Reexamination Certificate
2005-07-19
2005-07-19
Jimenez, Marc (Department: 3726)
Roll or roller
Concentric layered annulus
Specific composition
C492S049000
Reexamination Certificate
active
06918866
ABSTRACT:
An electrically conductive roll includes a shaft body and at least a conductive elastic layer formed by extrusion on an outer circumferential surface of the shaft body. The conductive elastic layer is formed from at least one conductive rubber composition which includes a rubber material, a thermoplastic resin having crosslinkable double bonds and a melting point in a range from 40° C. to 100° C., and at least one conductive agent. The thermoplastic resin is included in an amount of 5 to 50 wt. % of a total amount of the rubber material and the thermoplastic resin.
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Hayasaki Yasuyuki
Miyamori Shiro
Tsuchiya Kenichi
Umeda Masanari
Burr & Brown
Jimenez Marc
Tokai Rubber Industries Ltd.
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