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1. (WO2001082003) LIQUID DEVELOPMENT ELECTROPHOTOGRAPHIC APPARATUS
Latest bibliographic data on file with the International Bureau   

Pub. No.:    WO/2001/082003    International Application No.:    PCT/JP2001/003401
Publication Date: 01.11.2001 International Filing Date: 20.04.2001
IPC:
G03G 15/10 (2006.01), G03G 15/16 (2006.01)
Applicants: PFU LIMITED [JP/JP]; 98-2, Nu, Aza-Unoke Unoke-machi, Kahoku-gun, Ishikawa 929-1192 (JP) (For All Designated States Except US).
NAKASHIMA, Yutaka [JP/JP]; (JP) (For US Only).
INAMOTO, Akihiko [JP/JP]; (JP) (For US Only).
UESUGI, Shigeki [JP/JP]; (JP) (For US Only).
MOTO, Satoru [JP/JP]; (JP) (For US Only).
TAKABATAKE, Masanari [JP/JP]; (JP) (For US Only).
ICHIDA, Motoharu [JP/JP]; (JP) (For US Only).
OKANO, Shigeharu [JP/JP]; (JP) (For US Only).
TAKEDA, Seiichi [JP/JP]; (JP) (For US Only).
NISHIKAWA, Tadashi [JP/JP]; (JP) (For US Only).
MIYAMOTO, Satoshi [JP/JP]; (JP) (For US Only).
TERASHIMA, Hitoshi [JP/JP]; (JP) (For US Only).
SAKAI, Satoshi [JP/JP]; (JP) (For US Only).
HONGAWA, Hironaga [JP/JP]; (JP) (For US Only).
HONGO, Masanobu [JP/JP]; (JP) (For US Only).
DU, Jiyun [CN/JP]; (JP) (For US Only)
Inventors: NAKASHIMA, Yutaka; (JP).
INAMOTO, Akihiko; (JP).
UESUGI, Shigeki; (JP).
MOTO, Satoru; (JP).
TAKABATAKE, Masanari; (JP).
ICHIDA, Motoharu; (JP).
OKANO, Shigeharu; (JP).
TAKEDA, Seiichi; (JP).
NISHIKAWA, Tadashi; (JP).
MIYAMOTO, Satoshi; (JP).
TERASHIMA, Hitoshi; (JP).
SAKAI, Satoshi; (JP).
HONGAWA, Hironaga; (JP).
HONGO, Masanobu; (JP).
DU, Jiyun; (JP)
Agent: MORITA, Hiroshi; Kaimei Patent Office Sankyo Central Plaza Building 5F, 11-8, Nishi-Nippori 5-chome Arakawa-ku, Tokyo 116-0013 (JP)
Priority Data:
2000-120250 21.04.2000 JP
2000-120251 21.04.2000 JP
2000-120253 21.04.2000 JP
2000-120254 21.04.2000 JP
Title (EN) LIQUID DEVELOPMENT ELECTROPHOTOGRAPHIC APPARATUS
(FR) APPAREIL ELECTROGRAPHIQUE DE DEVELOPPEMENT LIQUIDE
Abstract: front page image
(EN)A liquid development electrophotographic apparatus using a liquid toner exhibiting nonvolatility and having a high viscosity and a high concentration as a liquid developer, in which the liquid developer is supplied in contact with a photosensitive drums (11-14) on which electrostatic latent images are formed, and toner particles of the liquid developer are adhered to the photosensitive drums (11-14) according to the electric fields produced between an intermediate transfer roller and the respective photosensitive drums (11-14) so as to form toner images, an intermediate transfer part is composed of the intermediate transfer roller (15) and an intermediate transfer belt (16) and used for transfer the toner images on the photosensitive drums onto the intermediate transfer belt, a transfer fixing part has a heater for heating and fusing the toner images transferred onto the intermediate transfer belt (16) at a contact portion in contact with a printing medium and fuse-transferring them onto the printing medium, and a developing part is disposed at the lower part of the apparatus. Therefore even if the liquid developer leaks, the printing medium and the intermediate transfer part do not stain.
(FR)L'invention concerne un appareil électrographique de développement liquide utilisant un bain de virage liquide non volatil et possédant une viscosité élevé et une forte concentration en tant que révélateur liquide, dans lequel le révélateur liquide est mis en contact avec un tambour photosensible (11-14) sur lequel sont formées des images latentes électrostatiques, les particules de bain de virage du révélateur liquide adhérant audit tambour (11-14) en fonction des champs électriques produits entre un rouleau de transfert intermédiaire et le tambour photosensible correspondant (11-14) de manière à former des images de bain de virage. Une partie de transfert intermédiaire est constituée dudit rouleau de transfert intermédiaire (15) et d'une bande de transfert intermédiaire (16), et utilisée pour le transfert des images de bain de virage depuis le tambour photosensible à la bande de transfert intermédiaire (16), au niveau d'une partie de contact avec un support d'impression, ainsi que pour leur transfert par fusion sur le support d'impression, une partie de développement étant située au bas de l'appareil. Ainsi, même en cas de fuite du révélateur liquide, le support d'impression et la partie de transfert intermédiaire ne sont pas tachés.
Designated States: US.
European Patent Office (DE, FR, GB).
Publication Language: Japanese (JA)
Filing Language: Japanese (JA)