Photocopying – Contact printing – Light boxes
Patent
1994-03-29
1995-07-18
Beatty, Robert
Photocopying
Contact printing
Light boxes
118661, 492 59, G03G 1316
Patent
active
054346533
ABSTRACT:
A developing roller includes a metal shaft and a conductive resilient sleeve surrounding the shaft and made of a urethane elastomer containing carbon black with at least pH 5. The developing roller is mounted in an electrophotographic apparatus in combination with a latent image-bearing photoreceptor wherein development is carried out using a non-magnetic single-component toner.
REFERENCES:
patent: 4827868 (1989-05-01), Tarumi et al.
patent: 4930438 (1990-06-01), Demizu et al.
patent: 4967231 (1990-10-01), Hosoya et al.
patent: 4990963 (1991-02-01), Yamamoto et al.
patent: 4994319 (1991-02-01), Nojima et al.
patent: 5168312 (1992-12-01), Aoto et al.
Harashima Hiroshi
Kaneda Hiroshi
Kawagoe Takahiro
Miyamoto Taro
Niwa Hideyuki
Beatty Robert
Bridgestone Corporation
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