Fujifilm Business Innovation Corp.

Fuji Xerox Co., Ltd.

Taiyo Nippon Sanso Corporation

Tomohiro Wada

Tomoaki Yoshioka

Yoko Miyamoto

Toshiaki Baba

Kazuyoshi Hagiwara

Satoshi Shigezaki

Kazuki Kishi

Yosuke Tsutsumi

Haruka Kobayashi

Masakazu Okuda

Shinichi Takahashi

Kiichi Kanda

Tomoyuki Haneji

Kenichi Watanabe

A transfer device includes: an endless transfer belt that circulates and receives an image; one image carrier that carries an image and is in contact with an outer circumferential surface of the transfer belt from above; another image carrier that carries an image and is in contact with the outer circumferential surface of the transfer belt from below; one transfer roller that holds the transfer belt with respect to the one image carrier to transfer the image carried on the one image carrier to the transfer belt, the one transfer roller including one cylindrical roller part; and another transfer roller that holds the transfer belt with respect to the other image carrier to transfer the image carried on the other image carrier to the transfer belt, the other transfer roller including another cylindrical roller part. The one roller part and the other roller part protrude at central portions thereof in the axial direction with respect to ends thereof in the axial direction. The amount of protrusion at the central portion of the other roller part is smaller than the amount of protrusion at the central portion of the one roller part.

Transfer device and image forming apparatus

A mounting member to be mounted on a member that moves in a traveling direction includes: a rectangular sheet member; and an attachment portion having a first surface bonded to one end portion of a reverse surface of a downstream side portion of the sheet member in the traveling direction, the attachment portion being detachably attached to an attachment-receiving portion and having a surface facing a direction different from a direction of the first surface and bonded to the sheet member.

Mounting member, cylinder member, and image forming apparatus

An image forming apparatus includes a holding body that holds a formed image; a transport unit that transports a recording medium in a state where a tip of the recording medium is grasped by a grasping portion; a transfer cylinder that has a substantially circular cross section, and that includes a concave portion that accommodates the grasping portion in a direction substantially orthogonal to a rotation direction and transfers an image on the holding body to the recording medium transported by the transport unit by interposing the recording medium transported by the transport unit between the transfer cylinder and the holding body; and an imparting portion that imparts a transport load to the recording medium that is transported to a transfer position at which the image on the holding body is transferred to the recording medium.

Image forming apparatus

An image forming apparatus includes: a holding body configured to hold a formed image; a conveyance unit configured to convey a recording medium with a leading end of the recording medium gripped by a gripping portion; and a transfer body including a recessed portion that accommodates the gripping portion and is provided along a direction substantially orthogonal to a rotational direction, configured to sandwich the recording medium conveyed by the conveyance unit between the transfer body and the holding body to transfer an image on the holding body to the recording medium conveyed by the conveyance unit, and including a slope surface provided at a leading end of a portion of an outer circumference not including a portion where the recessed portion is provided, the leading end being on a front end side in the rotational direction, a distance from the slope surface to a rotational center becoming larger toward a downstream side in the rotational direction.

A cylinder member includes: a cylinder body having a cross section and including a dent portion; a sheet member wrapped around the cylinder body and including a metal layer contacting the cylinder body and an outer layer; a first attachment member on a sheet member first end portion and removably attached to the dent portion; a second attachment member on a metal layer end portion protruding from the outer layer in the circumferential direction at a sheet member second end portion, the second attachment member being removably attached to the dent portion; a tension-applying mechanism pulling the second attachment member in a dent portion depth direction to apply tension to the metal layer; a projection on one of the second attachment member and metal layer end portion; and a fitting portion on other one of the second attachment member and the metal layer end portion and fitted to the projection.

Cylinder member and image forming apparatus

A method for attaching a sheet member to a cylinder body includes: preliminarily fixing a first end portion of the sheet member to a first fixation portion of a cylinder body provided in an apparatus body and having a substantially circular cross section; wrapping the sheet member around the cylinder body by rotating the cylinder body; fixing the first end portion and a second end portion of the sheet member to the first fixation portion and a second fixation portion, respectively; and installing an installation member between the apparatus body and an inner surface of the sheet member before the wrapping of the sheet member around the cylinder body.

Method for attaching sheet member to cylinder body and sheet member package

An image forming apparatus includes: a rotating body; a sprocket provided coaxially with the rotating body, the sprocket being configured to rotate integrally with the rotating body; a chain including a holder configured to hold a leading end portion of a recording medium, the chain being wound on the sprocket, the chain being configured to rotate so as to transport the recording medium; an annular shaped transfer belt supported by an opposing member opposing the rotating body at an opposing position, the transfer belt being configured to sandwich the recording medium transported by the chain between the transfer belt and the rotating body at the opposing position, in which an image on an outer peripheral surface of the transfer belt is transferred to the recording medium in response to a transfer bias being applied between the rotating body and the opposing member; and a forming member that supports the transfer belt on an upstream side of the opposing position in a transport direction, the forming member being configured to form a contact region in which the transfer belt is brought into contact with the rotating body on the upstream side of the opposing position in the transport direction.

Image forming apparatus capable of preventing a discharge defect in an image

Disclosed is a process of producing a porous metal body containing a metal component which is likely to be oxidized, by which process the amounts of residual carbon and residual oxygen therein are decreased, and by which the performance of the product porous body can be largely promoted. The process for producing a porous metal body by sintering a material of the porous metal body, which material is obtained by coating a slurry containing a metal powder and an organic binder on an organic porous aggregate, comprises a defatting step of treating the material of the porous metal body at a temperature not higher than 650&#xb0; C. in an atmosphere containing carbon monoxide and carbon dioxide; a decarbonization step of treating the material of the porous metal body after the defatting step in an inert atmosphere or vacuum atmosphere at a temperature not higher than sintering temperature; and a sintering step of retaining the material of the porous metal body after the decarbonization step in an inert atmosphere, vacuum atmosphere, hydrogen atmosphere, or in a reducing atmosphere containing hydrogen gas and an inert gas at a temperature not higher than the melting point of the metal powder.

Process for producing porous metal body

The present invention provides a filter device including a supply channel where a liquid flows in; a first liquid chamber that is communicated with the supply channel; a second liquid chamber that is communicated with the first liquid chamber; a first discharge channel that is communicated with the second liquid chamber and that discharges the liquid; a first filter that is provided between the first liquid chamber and the second liquid chamber; and a second filter that is provided between the first liquid chamber and the second liquid chamber and whose lower end is positioned higher than a lower end of the first filter.

Filter device and liquid droplet ejecting device

A method of driving an ink jet recording head, and an ink jet recording apparatus. A driving wave form for driving a piezoelectric actuator includes a first voltage changing process to compress a pressure generating chamber with a rise time of t, and a second voltage changing process to expand the pressure generating chamber with a fall time of tafter the voltage is maintained during a time of t. The start time, the voltage changing time, and the voltage variation of the second voltage changing process are set so that, in a room temperature environment, a first peak value vand a second peak value vof particle velocity generated at the nozzle section satisfy the condition: 0.3&#x2266;v/v&#x2266;0.6.

Growing community of inventors

Kanagawa, Japan

Tomohiro Wada