专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明申请

US20190086827A1 IMAGE FORMING APPARATUS 审中-公开
公开(公告)号：US20190086827A1
公开(公告)日：2019-03-21
申请号：US15943268
申请日：2018-04-02
申请人： FUJI XEROX CO., LTD.
发明人： Takafumi KOIDE , Masataka KURIBAYASHI , Yusuke FUKUDA , Katsuyuki KITAJIMA , Teppei YAWADA , Shota OSHIMA , Masahiro UCHIDA
IPC分类号： G03G9/00 , G03G9/087 , G03G9/08
CPC分类号： G03G9/08755 , G03G9/0821 , G03G9/0823 , G03G9/08795 , G03G9/08797 , G03G15/08 , G03G15/1605
摘要： An image forming apparatus includes an image holding member, a charging device that charges a surface of the image holding member, an electrostatic charge image forming device that forms an electrostatic charge image on the charged surface of the image holding member, a developing device that has an electrostatic charge image developer containing an electrostatic charge image developing toner and that develops the electrostatic charge image to form a toner image on the surface of the image holding member, and a transfer device that transfers the toner image onto a recording medium, wherein the transfer device includes a belt member and a transfer member, the belt member has an outer surface that contacts the image holding member, and the belt member is winding around the image holding member and the transfer member; and the toner has a binder resin containing an amorphous polyester resin.

2. 发明申请

US20200073296A1 IMAGE FORMING APPARATUS 审中-公开
公开(公告)号：US20200073296A1
公开(公告)日：2020-03-05
申请号：US16372416
申请日：2019-04-02
申请人： FUJI XEROX CO., LTD.
发明人： Katsuyuki KITAJIMA , Masataka KURIBAYASHI , Takafumi KOIDE , Teppei YAWADA , Shota OSHIMA
IPC分类号： G03G15/20 , G03G21/10 , G03G9/087 , G03G9/08
摘要： An image forming apparatus includes an image holding member, a charging unit that charges the surface of the image holding member, an electrostatic latent image forming unit that forms an electrostatic latent image on the charged surface of the image holding member, a developing unit that includes a developer containing toner particles containing a release agent having a melting temperature ranging from 60° C. to 100° C. and that develops the electrostatic latent image on the surface of the image holding member with the developer to form a toner image, a transferring unit that transfers the toner image to a recording medium, a fixing unit that includes two members of which the outer surfaces are in contact with each other to form a nipping region and of which at least one member is a belt member and that allows the recording medium having the transferred toner image to pass through the nipping region to fix the toner image to the recording medium, a particle charging unit that is disposed in the vicinity of the nipping region and upstream of the nipping region in the transport direction of the recording medium so as to face the toner-image-formed side of the recording medium and that charges particles, and a particle collecting unit that is disposed near the particle charging unit and that is charged to the opposite polarity to the charged particles.

3. 发明申请

US20220091542A1 PARTICLE CONVEYING DEVICE AND IMAGE FORMING APPARATUS 有权
公开(公告)号：US20220091542A1
公开(公告)日：2022-03-24
申请号：US17170185
申请日：2021-02-08
申请人： FUJI XEROX CO., LTD.
发明人： Yusuke FUKUDA , Naoki OTA , Masataka KURIBAYASHI , Takafumi KOIDE , Katsuyuki KITAJIMA , Makoto KAMISAKI , Tatsuhiro IGARASHI , Yasuhisa MOROOKA , Shota OSHIMA , Yuma KUBO
IPC分类号： G03G15/08 , C09J125/14 , G03G9/087
摘要： A particle conveying device includes a storage portion that stores pressure sensitive adhesive particles that contain at least a binder resin, have a pressure-induced phase transition property, and have a sulfur content in a range of 0.1 mass % or more and 0.5 mass % or less relative to the entire pressure sensitive adhesive particles as measured by X-ray fluorescence; and a conveying member that is disposed in the storage portion and rotates about a shaft that extends in one direction inside the storage portion to thereby convey the pressure sensitive adhesive particles in a direction along the shaft inside the storage portion.

4. 发明申请

US20220091522A1 DELIVERY DEVICE AND IMAGE FORMING APPARATUS 有权
公开(公告)号：US20220091522A1
公开(公告)日：2022-03-24
申请号：US17165375
申请日：2021-02-02
申请人： FUJI XEROX CO., LTD.
发明人： Naoki OTA , Masataka KURIBAYASHI , Takafumi KOIDE , Yusuke FUKUDA , Katsuyuki KITAJIMA , Makoto KAMISAKI , Yasuhisa MOROOKA , Shota OSHIMA , Yuma KUBO , Tatsuhiro IGARASHI
IPC分类号： G03G9/087 , G03G9/08 , C08F220/18 , C08F212/08
摘要： A delivery device includes a container that contains pressure sensitive adhesive particles that contain at least a binder resin, have a sulfur content of 0.1 mass % or more and 0.5 mass % or less relative to a total of the pressure sensitive adhesive particles as measured by X-ray fluorescence, and have a pressure-induced phase transition property, the container having a shape of a cylinder having a spiral recessed or projecting portion on an inner peripheral surface thereof; and a transmitting unit to which a rotary drive force from a driving unit that rotates the container is transmitted, the transmitting unit being disposed in the container.

5. 发明申请

US20200292969A1 IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE 审中-公开
公开(公告)号：US20200292969A1
公开(公告)日：2020-09-17
申请号：US16535371
申请日：2019-08-08
申请人： FUJI XEROX CO., LTD.
发明人： Jun SEKIYA , Masataka KURIBAYASHI , Makoto KAMISAKI , Shota OSHIMA
IPC分类号： G03G15/16 , G03G15/08
摘要： An image forming apparatus includes: a developing section that forms a toner image by developing an electrostatic latent image using toner. The toner satisfies the following relations: (lnη(T1)−ln η(T2))/(T1−T2)≤−0.14; (ln η(T2)−ln η(T3))/(T2−T3)≥−0.15; and (ln η(T1)−ln η(T2))/(T1−T2)

6. 发明申请

US20200064753A1 ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS 审中-公开
公开(公告)号：US20200064753A1
公开(公告)日：2020-02-27
申请号：US16371132
申请日：2019-04-01
申请人： FUJI XEROX CO., LTD.
发明人： Masataka KURIBAYASHI , Takafumi KOIDE , Katsuyuki KITAJIMA , Teppei YAWADA , Shota OSHIMA
IPC分类号： G03G15/05 , G03G15/20 , G03G15/02 , G03G15/08
摘要： An image forming apparatus includes an image holding member, a charging unit that charges the surface of the image holding member, an electrostatic latent image forming unit that forms an electrostatic latent image on the charged surface of the image holding member, a developing unit that develops the electrostatic latent image to form a toner image, a transferring unit that transfers the toner image to a first side of a recording medium, a fixing unit that allows the recording medium having the transferred toner image to pass through a nipping region to fix the toner image, a first charging unit that faces the first side of the recording medium and that charges particles, and a second charging unit that charges a second side of the recording medium to the opposite polarity to the charged particles after the recording medium passes through the nipping region.

7. 发明申请

US20200292983A1 IMAGE FORMING APPARATUS 审中-公开
公开(公告)号：US20200292983A1
公开(公告)日：2020-09-17
申请号：US16554696
申请日：2019-08-29
申请人： FUJI XEROX CO., LTD.
发明人： Shota OSHIMA , Masataka KURIBAYASHI , Makoto KAMISAKI , Jun SEKIYA
IPC分类号： G03G21/00
摘要： An image forming apparatus includes: an image holding member; a charging unit that charges a surface of the image holding member; an electrostatic image forming unit that forms an electrostatic image on the charged surface of the image holding member; a developing unit that houses a toner for electrostatic image development and develops the electrostatic image formed on the surface of the image holding member with the toner to thereby form a toner image; a transfer unit that transfers the toner image formed on the surface of the image holding member onto a surface of a recording medium; a cleaning unit that includes a cleaning blade and cleans the surface of the image holding member; and a fixing unit that fixes the toner image transferred onto the surface of the recording medium. The cleaning blade has a contact portion that contacts the surface of the image holding member, the contact portion having a JIS-A hardness of from 90° to 130° inclusive. The toner for electrostatic image development satisfies the following formulas: (ln η(T1)−ln η(T2))/(T1−T2)≤−0.14; (ln η(T2)−ln η(T3))/(T2−T3)≥−0.15; and (ln η(T1)−ln η(T2))/(T1−T2)

8. 发明申请

US20200064760A1 IMAGE FORMING APPARATUS 审中-公开
公开(公告)号：US20200064760A1
公开(公告)日：2020-02-27
申请号：US16362702
申请日：2019-03-25
申请人： FUJI XEROX CO., LTD.
发明人： Tatsuhiro IGARASHI , Naoki OTA , Yusuke FUKUDA , Makoto KAMISAKI , Yasuhisa MOROOKA , Jun SEKIYA , Teppei YAWADA , Masataka KURIBAYASHI , Takafumi KOIDE , Katsuyuki KITAJIMA , Shota OSHIMA
IPC分类号： G03G15/20 , G03G15/16
摘要： An image forming apparatus includes an image holding member, a charging unit that charges the surface of the image holding member, an electrostatic charge image forming unit that forms an electrostatic charge image on the charged surface of the image holding member, a developing unit that includes a developer containing toner particles containing a release agent having a melting temperature ranging from 60° C. to 100° C. and that develops the electrostatic charge image on the surface of the image holding member with the developer to form a toner image, a transferring unit that transfers the toner image formed on the surface of the image holding member to the surface of a recording medium, and a fixing unit that fixes the toner image transferred to the surface of the recording medium, wherein the fixing unit includes an endless member to be heated, the endless member contacts with the toner image transferred to the surface of the recording medium; a pressure member that presses the endless member to form a nipping region between the pressure member and the endless member; a first heater that is in contact with the inner surface of the endless member in the nipping region to heat the endless member; a second heater that is disposed in contact with the endless member and downstream of the first heater in the operational direction of the endless member to heat the endless member; and a collection member that is disposed in the vicinity of the second heater so as to face the outer surface of the endless member and that collects particles.

9. 发明申请

US20190294066A1 IMAGE FORMING APPARATUS 审中-公开
公开(公告)号：US20190294066A1
公开(公告)日：2019-09-26
申请号：US16125854
申请日：2018-09-10
申请人： FUJI XEROX CO., LTD.
发明人： Takafumi KOIDE , Masataka KURIBAYASHI , Yusuke FUKUDA , Katsuyuki KITAJIMA , Teppei YAWADA , Shota OSHIMA
IPC分类号： G03G9/087 , G03G9/08 , G03G15/08
摘要： An image forming apparatus includes an image holding member, a developing device, and a supplying device including a storage unit and a transport unit, wherein the storage unit stores toner and includes a bag having a flexible material, the transport unit uses suction pressure to transport the toner from the storage unit and supplies to the developing device, the toner contains an amorphous polyester resin, a toner particles has a weight average molecular weight Mw and a number average molecular weight Mn, the weight average molecular weight Mw is in the range of 25,000 to 60,000, the ratio Mw/Mn is in the range of 5 to 10, the ratio (P2/P1) of the peak height of the absorption peak of the toner particles at a wavenumber of 820 cm−1 (P2) to the peak height of the absorption peak at a wavenumber of 720 cm−1 (P1) is 0.4 or less, and the ratio (P3/P1) of the peak height of the absorption peak of the toner particles at a wavenumber of 1500 cm−1 (P3) to the peak height of the absorption peak at a wavenumber of 720 cm−1 (P1) is 0.6 or less.

10. 发明申请

US20190286045A1 IMAGE FORMING APPARATUS WITH CLEANING UNIT 有权
公开(公告)号：US20190286045A1
公开(公告)日：2019-09-19
申请号：US16109793
申请日：2018-08-23
申请人： FUJI XEROX CO.,LTD.
发明人： Masataka KURIBAYASHI , Takafumi KOIDE , Yusuke FUKUDA , Katsuyuki KITAJIMA , Makoto KAMISAKI , Teppei YAWADA , Shota OSHIMA
IPC分类号： G03G21/00 , G03G15/08 , G03G9/087
摘要： An image forming apparatus includes an image holding member, a charging unit, an electrostatic charge image forming unit, a developing unit, a transfer unit, and a cleaning unit having a cleaning blade that is in contact with the surface of the image holding member to clean the surface of the image holding member, wherein in the cleaning device, a variation in a load applied by the cleaning blade to the image holding member in a slide test is 1.5 gf/mm or less, wherein in the slide test, an image holding member which has a diameter of 30 mm and with which the cleaning blade is in contact at a contact angle of 23° and a pressing pressure of 4.0 gf/mm is rotated 100,000 times at a rotational speed of 175 mm/sec to slide the cleaning blade.

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式