[특허]Electrophotographic wet-type image fixing unit for use with copy paper and transparencies

[미국특허] Electrophotographic wet-type image fixing unit for use with copy paper and transparencies 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	G03G-015/20
출원번호	US-0652226 (1991-02-06)
우선권정보	JP-0082624 (1988-04-02); JP-0151575 (1988-06-20); JP-0305050 (1988-12-01)
발명자 / 주소	Kurotori Tsuneo (Tokyo JPX) Mochizuki Manabu (Yokohama JPX) Ariyama Kenzou (Yokohama JPX)
출원인 / 주소	Ricoh Company, Ltd. (Tokyo JPX 03)
인용정보	피인용 횟수 : 17 인용 특허 : 0

초록 ▼

An image fixing unit for use in a wet-type electrophotographic copying machine capable of forming a latent electrostatic image on a photoconductor element, developing said latent electrostatic image to a visible toner image and transferring said visible toner image to a transfer sheet, including (a) a first image-fixing section for heating directly an unfixed toner image formed on a transfer sheet by a developer which includes a toner and a carrier liquid, thereby fixing the toner image to the transfer sheet, the transfer sheet having a carrier liquid absorbing capacity A or B with respect to the carrier liquid, where A>B; (b) a second image-fixing heating section for minimizing the content of the carrier liquid in the developer by which the toner image is formed, thereby fixing the toner image to the transfer sheet by application of heat thereto; and (c) a switching device for selectively making operable at least one of the first image-fixing heating section or the second image-fixing heating section, depending upon the carrier liquid absorbing capacity of the transfer sheet.

대표청구항 ▼

An image fixing unit for a wet-type electrophotographic copying machine for forming a latent electrostatic image on a photoconductor element, developing said latent electrostatic image to a visible toner image and transferring said visible toner image to a transfer sheet, comprising: (a) first image-fixing heating means for heating directly an unfixed toner image formed on a transfer sheet by a developer comprising a toner and a carrier liquid, thereby fixing said toner image to said transfer sheet, said transfer sheet having a carrier liquid absorbing capacity A or B with respect to said carrier liquid, wherein A>B; (b) second image-fixing heating means for minimizing the content of said carrier liquid in said developer by which said toner image is formed, thereby fixing said toner image to said transfer sheet by application of heat thereto wherein said second heating means comprises: a heat-application roller; and a transfer-sheet-holding means for holding said transfer sheet on said heat-application roller, with a back side of said transfer sheet opposite to said unfixed image thereon being in contact with said heat-application roller, and said unfixed toner image being in close vicinity with said transfer-sheet-holding means wherein said transfer-sheet-holding means comprises a plurality of holding means having fine protrusions positioned in close vicinity with said unfixed toner image formed on said transfer sheet; and (c) switching means for selectively making operable at least one of said first image-fixing heating means and said second image-fixing heating means, depending upon the carrier liquid absorbing capacity of said transfer sheet, in such a manner that when said transfer sheet has said carrier liquid absorbing capacity A, at least said first image fixing heating means is made operable, while when said transfer sheet has said carrier liquid absorbing capacity B, at least said second image-fixing heating means is made operable.

이 특허를 인용한 특허 (17) 인용/피인용 타임라인 분석

Yura, Jun; Kato, Koichi; Nakai, Hiroshi; Suzuki, Kazumi; Yasutomi, Kei; Kosugi, Hideki; Suzuki, Hirokatsu; Kadota, Ichiro, Apparatus and method for fixing an image.
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Yura, Jun; Kato, Koichi; Nakai, Hiroshi; Suzuki, Kazumi; Yasutomi, Kei; Kosugi, Hideki; Suzuki, Hirokatsu; Kadota, Ichiro, Apparatus and method for fixing an image.
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Asami,Tsuyoshi; Tsubuko,Kazuo; Ishikawa,Aiko, Electrophotographic liquid developer, image forming method and apparatus using the electrophotographic liquid developer.
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Yamada, Masamichi, Fixing device and image forming apparatus including the same.
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Ochi Norihiro,JPX ; Yoshimura Hisashi,JPX ; Horinaka Hajime,JPX, Fixing device equipped in image forming device.
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Kellie, Truman F.; Simpson, Charles W.; Edwards, William D.; Jensen, Steven C., Fusing apparatus and method for liquid toner electrophotography using multiple stations having different prefusing and fusing temperatures.
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Yoda Kaneo,JPX ; Tanaka Hiroshi,JPX ; Yoshioka Kenjiro,JPX ; Furukawa Saburo,JPX, Fusing device with rollers having different speeds, and image forming apparatus using same.
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Kamiyama,Nobuto, Image forming apparatus.
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Tanaka, Noriaki, Image forming apparatus.
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Ishikake, Satoru; Mochizuki, Manabu; Kurotori, Tsuneo; Arai, Yoshihiro, Image forming apparatus including a fixing device configured to apply heat and method thereof.
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Yamasaki Hiroyuki,JPX ; Ueda Masahide,JPX ; Terasaka Yoshihisa,JPX ; Sano Eiichi,JPX ; Matsuura Masahiko,JPX ; Hirai Atsuto,JPX ; Izumi Tomoo,JPX ; Yamada Masami,JPX, Image forming apparatus provided with mold releasing agent coating structure.
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Nagashima,Hiroyuki; Sampe,Atsushi; Kimura,Yoshiyuki; Kuwabara,Nobuo; Hosokawa,Hiroshi; Zemba,Hideki; Murakami,Wakako; Arai,Yuji; Narumi,Satoshi; Tsuda,Kiyonori; Takeichi,Ryuta; Kawasumi,Masanori; Ume, Image forming apparatus using a user installable process cartridge, a method of arranging the process cartridge, and the process cartridge itself.
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Teraoka,Tsutomu; Sasaki,Tsutomu; Kurotori,Tsuneo; Itaya,Masahiko, Liquid developer for image forming apparatus.
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Fromm Paul M. (Rochester NY) Hanzlik Edward C. (Fairport NY), Pressure roll having a flat shaft for use in a heat and pressure fuser apparatus.
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Tsubuko, Kazuo; Asami, Tsuyoshi; Ishikawa, Aiko, Recording liquid and image forming method using the recording liquid.
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Asami, Tsuyoshi; Kurotori, Tsuneo; Yamaguchi, Takeo; Okada, Noriaki, Textile printing method, inkjet ink for textile printing, and electrophotographic toner for textile printing.
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Hasegawa,Kumi; Aoki,Mitsuo; Shu,Bing; Sawada,Toyoshi; Shiraishi,Keiko; Nagayama,Masashi; Kuramoto,Shinichi, Toner for electrophotography, and image fixing process, image forming process, image forming apparatus and process cartridge using the same.
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A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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[미국특허] Electrophotographic wet-type image fixing unit for use with copy paper and transparencies 원문보기

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이 특허를 인용한 특허 (17) 인용/피인용 타임라인 분석

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[미국특허] Electrophotographic wet-type image fixing unit for use with copy paper and transparencies 원문보기

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이 특허를 인용한 특허 (17) 인용/피인용 타임라인 분석

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