Patent
Low hardness conductive roll
Akihiko Kaji,Kenichi Ohkuwa,Hitoshi Yoshikawa,Shoji Arimura +3 more
- 27 Feb 1998
24
TL;DR: A low hardness conductive roll, wherein an innermost layer is formed on the peripheral surface of a shaft body and further an outermost layer was formed of a resin composition comprising the following component (A) so that good toner electrification property and toner releasability are achieved, is described in this paper.
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Abstract: A low hardness conductive roll, wherein an innermost layer is formed on the peripheral surface of a shaft body, an intermediate layer is formed on the peripheral surface thereof, and further an outermost layer is formed on the peripheral surface thereof, and wherein the outermost layer is formed of a resin composition comprising the following Component (A) so that good toner electrification property and toner releasability are achieved: ##STR1## wherein Y denotes a linear structural portion derived from an acrylic monomer, Z denotes a structural portion derived from an acrylic monomer and also has a structural portion derived from siloxane, and k and n denote positive numbers of 1 to 3,000, respectively.
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Citations
Patent
Charging member, process cartridge, and electrophotographic apparatus
Noriaki Kuroda,Hisao Kato,Toshinari Canon Kabushiki Kaisha Miura,Suzuki Toshiro,Furukawa Takumi,Kitahara Michitaka,Jun Canon Kabushiki Kaisha Murata,Yukinori Canon Kabushiki Kaisha Nagata,Ozawa Masaki,Kazuyuki Shishitsuka,Yoko Kuruma +10 more
- 24 Apr 2012
TL;DR: In this article, the authors proposed a charging member comprising a support, a conductive elastic layer formed on the support, and a surface layer consisting of polysiloxane having a fluoroalkyl group and an oxyalkylene group.
175
Patent
Charging member, process cartridge, and electrophotographic device
Tomohito Taniguchi,Satoshi Koide +1 more
- 04 Oct 2011
TL;DR: In this article, a charging member consisting of an electro-conductive substrate and an electroconductive surface layer was proposed, where a binder resin particle roughens the surface of the surface layer and the surface has a plurality of protrusions derived from the resin particle in the surface.
46
Patent
Roller drive unit
Thomas Huber,Richard Holzner +1 more
- 01 Apr 1998
TL;DR: In this article, the first and second brakes are constructed so as to be controllable to improve the traction characteristics and in particular the force with which the drive roller can press against the object to be conveyed.
42
Patent
Developing roller and imaging apparatus comprising the same
Takayuki Sugimura,Kouta Kawano,Takuro Sugimoto,Hirotaka Tagawa +3 more
- 08 Nov 2006
TL;DR: In this paper, a developing roller with a low compression permanent strain without contaminating a photosensitive drum and deteriorating toners is presented. But it is not suitable for the use of polyisocyanates.
18
Patent
Conductive roller, process cartridge and image forming apparatus
Naoki c,o Canon Kabushiki Kaisha Fuei,Hiroshi C,O Canon Kabushiki Kaisha Inoue,Yuzi c,o Canon Kabushiki Kaisha Ishihara +5 more
- 11 Jul 2000
TL;DR: An electroconductive roller is capable of exhibiting stable conductivity regardless of environmental change and is accompanied by small bleed-out of additives as discussed by the authors, which is suitably used as a contact charging member in an electrophotographic apparatus.
17
References
Patent
Heat-fixing roll
Inoue Minoru,Takeyuki Yamaki +1 more
- 10 Nov 1997
TL;DR: In this paper, a heat-fixing roll with a hardened coating of a silicone coating material composition containing the following materials (1A and (1B) or (2A) through (2D) is provided.
29
Patent
Semiconductive silicone rubber compositions and semiconductive silicone rubber rolls
Tsutomu Nakamura,Satao Hirabayashi,Hiroshi Kikuchi,Hirokazu Ando,Mizutani Takao +4 more
- 12 Jul 1996
TL;DR: In this article, a silicone rubber composition comprising an organopolysiloxane having at least two aliphatic unsaturated groups and a curing agent, thermal black and/or furnace black having a primary particle diameter of 50-500 nm and a DBP oil absorption of 20-50 cc/100 g is blended.
25
Patent
Developing roller and developing apparatus
Koji Takagi,Takizawa Yoshio,Okada Tokuo,Hiroshi Kaneda,Iwami Koichi +4 more
- 29 Jun 1998
TL;DR: In this paper, a developing roller is proposed to support a one-component developer on a surface thereof in the form of a thin layer, and is brought in contact with or in proximity to an image forming body in such a state.
23
Patent
Fixing roller for electrophotographic device and method for fabricating the same
Kawada Noriaki
- 20 Mar 1997
TL;DR: In this article, a fixing roller for an electrophotographic device has a cylindrical-shaped metallic base body, an insulation layer formed on an outer peripheral surface of the base body and a resistance resin layer laminated on the insulation layer.
13
Patent
Charging member and image-forming unit having the same
Jun Murata,Nishimura Yoshiaki,Akiya Kume,Hiroshi Mayuzumi +3 more
- 13 May 1997
TL;DR: In this paper, a charging member which is energized to charge a chargeable member by contact-electrification and which comprises a conductive elastic layer having a surface layer containing a polymer having a main chain containing a structural unit of the following formula: --O(CH.sub.n --O--CO-- wherein n is an integer of from 4 to 10.
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