Conductive roll

Details Conductive roll Conductive roll

1991-12-18

1994-05-17

Robinson, Ellis P.

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

428 358, 428 359, 428 369, 428 3691, 428465, 4284758, 4284761, 428495, 430 59, 430 96, 492 49, 492 53, 492 54, 492 56, B32B 108

Patent

active

053126629

ABSTRACT:
An electrically conductive roll including (a) a cylindrical core body, (b) an electrically conductive, resilient layer located radially outwardly of the core body, the resilient layer containing a softening agent, (c) a preventive layer located radially outwardly of the resilient layer, the softening agent being prevented from spreading by the preventive layer, the preventive layer being formed of N-methoxymethylated nylon as a major constituent thereof, and containing an electrically conductive material, and (d) a resistance adjusting layer located radially outwardly of the preventive layer, the adjusting layer being formed of epichlorohydrin-ethylene oxide copolymer rubber as a major constituent thereof, the core body, resilient layer, preventive layer and adjusting layer constituting an integral cylindrical body. The conductive roll may further include (e) a protective layer located radially outwardly of the adjusting layer, the protective layer being formed of N-methoxymethylated nylon as a major constituent thereof. In the latter case, the core body, resilient layer, preventive layer, adjusting layer and protective layer constitute an integral cylindrical body.

REFERENCES:
patent: 3942888 (1976-03-01), Maksymiak
patent: 4666780 (1987-05-01), Krum
patent: 4807341 (1989-02-01), Nielsen
patent: 5075189 (1991-12-01), Ichino
patent: 5102741 (1992-04-01), Miyabayashi
patent: 5103262 (1992-04-01), Yamazaki

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