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JP2024006366A |
An object of the present invention is to provide a sheet conveyance roller that can suppress a decrease in the coefficient of friction even when a sheet containing a large amount of silicate components such as silica and talc is conveyed...
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JP2024006367A |
An object of the present invention is to provide a rubber composition capable of producing a sheet conveying roller with an excellent coefficient of friction. A rubber composition for a sheet conveying roller contains a base rubber and a...
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JP2024004315A |
The present invention provides a liquid-absorbing roll formed by stacking annular sheets containing nonwoven fabrics whose surface smoothness does not easily deteriorate during use, and a sheet for a liquid-absorbing roll that realizes s...
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JP2024003309A |
The present invention provides a pair of sheet conveying rollers and a printing device that can suppress contamination of printed matter and suppress wear of the rollers. [Solution] A first roller 10 consisting of a roller with particles...
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JP7410372B2 |
To provide a roll for continuous casting, even in a severe use environment, capable of suppressing the generation of cracks in an outer circumferential face and the progress of cracks to the inside in a radial direction and attaining the...
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JP7409932B2 |
To provide a conductive roller for electrophotographic devices, which offers superior adhesion strength between a shaft consisting of a core metal, and a conductive rubber elastic layer after going through a durability test.A conductive ...
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JP7409827B2 |
To provide a conductive roller which is less susceptible to bleeding compared with conventional products, and a method of manufacturing the same.A conductive roller 10 comprises a shaft 1 and a surface layer 3. The surface layer 3 consis...
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JP2023183567A |
To provide a pressing roller that restrains foreign bodies from entering between itself and bearings from the side of outside surfaces of bearing fitting members.A pressing roller 100 comprises: a shaft body 110 of which both end parts a...
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JP7404863B2 |
To provide a rubber composition capable of forming a conductive rubber roller excellent in energization durability.A conductive rubber composition includes (A) a base rubber, (B) alkylene oxide-phenyl glycidyl ether copolymer, and (C) an...
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JP7402413B2 |
To provide a rubber composition capable of forming a roller body of a conductive roller with small fluctuation of a roller resistance, a conductive roller comprising a roller body formed using the rubber composition, and an image forming...
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JP7401256B2 |
An electrophotographic apparatus comprising an electrophotographic photosensitive member, a charging device and a developing device, wherein the charging device comprises a conductive member arranged to be capable of contacting the elect...
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JP7398996B2 |
According to various embodiments, the temperature control roller may comprise: a cylindrical roller shell, which has a multiplicity of gas outlet openings; a temperature control device, which is configured to supply and/or extract therma...
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JP7398743B2 |
The method for producing a roller of the present invention involves heating the outer surface of a roller-like member 10 that has a roller main body 152a made of rubber and resin fibers protruding, to be dotted, from the outer peripheral...
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JP2023177021A |
To provide a sponge roller that improves the tear strength of a foamed elastic layer.A sponge roller 1 includes a shaft body 2 and a foamed elastic layer 3 surrounding the shaft body 2. The foamed elastic layer 3 is formed from a foamed ...
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JP7396135B2 |
To provide a conductive roller capable of suppressing the energization deterioration of a conductive elastic layer caused by continuous use and suppressing the deformation of a conductive elastic layer itself and contamination to a membe...
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JP7396073B2 |
To provide an inspection method, with which it is possible to detect a flaw having occurred to the magnet or bearing included in a developing roller.A first flange part 111, which is on one axial end side of a sleeve 101 of a developing ...
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JP7394480B2 |
A rotating body (10) constitutes a shaft, the entirety of which is formed integrally from cast metal, and is provided with a cast hole (11) that extends in the axial direction. The rotating body (10) is provided, on the outer surface (10...
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JP7394013B2 |
To provide a sleeve whose outer peripheral surface swelled to a desired shape can be easily formed than the conventional, and a roller using the same.A sleeve 10 has a configuration in which a through-hole 12 whose hollow-portion inner d...
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JP2023172277A |
To achieve reduction of wear and maintain airtightness between a rotary member and a fixed member.A vacuum seal device (15) includes: a first roll (21); a second roll (22) which contacts with the first roll; a first holding member (25) w...
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JP7390298B2 |
An electroconductive roll includes a core member, a rubber base material disposed around the core member, and a surface layer disposed around the rubber base material. The surface area of the surface layer per unit projected area is equa...
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JP7382030B2 |
To provide an electrode member supply device for plasma rotation electrode method which can stably support a rotating electrode member and where the electrode member is hardly broken.A plurality of rotation rollers 11 are arranged on the...
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JP7382288B2 |
To provide a pinch roller supporting structure in which an easily detachable snap pin can be used and the snap pin is prevented from contacting with a medium due to rotations of a shaft.A pinch roller supporting structure is equipped wit...
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JP7382004B2 |
To provide a developing roller which has a laminated structure and is capable of forming images with better image quality compared with conventional products.A developing roller 1 is provided, comprising an inner layer 2 and an outer lay...
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JP7375529B2 |
To prevent fogging.An electrifying device comprises an electrifying member that electrifies a surface of an image carrier that carries an electrostatic latent image on the surface while rotating in contact with the surface. The kurtosis ...
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JP7375366B2 |
To efficiently heat an outer peripheral surface of a roller member.A pressure roller 31 (roller member) is provided with a core grid 32, and an elastic layer 33 (coating layer) that covers an outer peripheral surface of the core grid 32....
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JP7374641B2 |
To provide a pressure roller for a fixation device that can compatibly secure proper flexibility of an elastic layer and suppress a temperature rise of a non-paper feed part, the fixation device, and an image formation apparatus.A pressu...
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JP2023546644A |
The present invention has rolls (1, 10) having a roll bearing part (3), a bearing housing (4), and a motor (6), and the bearing housing (4) of the roll bearing part (3) is attached to the frame. Alternatively, the present invention relat...
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JP2023159477A |
To prevent the lowering of a cleaning degree of a roller main body up until attachment to a device is finished while suppressing the complication of packaging work of a cleaning sponge roller.MEANS FOR SOLVING THE PROBLEM: A roller suppo...
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JP2023159036A |
To provide a member for electrophotography that satisfies thermal conductivity and low volume specific heat capacity required for an increase in print speed and a reduction in start-up time, and is used as a fixing member for a heat fixi...
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JP2023157527A |
To provide an electrophotographic roller which is less likely to cause fogging even when printing is continuously performed on talcum paper and is capable of stably forming high-quality electrophotographic images.An electrophotographic r...
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JP7369130B2 |
A transmission shaft and a roller comprising a pair of connectable portions (M, F) for connecting a transmission shaft (5, 8) and a roller (4, 7) to be driven by torque exerted through the transmission shaft (5, 8). The pair of connectab...
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JP7367465B2 |
A fixing device includes a first rotating member, a second rotating member, a heating section, a supporting member, a connector, and a holder. The first rotating member extends in a first direction. The second rotating member extends in ...
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JP7367402B2 |
A printing device includes a liquid composition having a viscosity of from 2 to 15 mPa·s and a static surface tension of from 20 to 50 mN/m. A liquid composition container contains the liquid composition, a liquid composition applying d...
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JP7364484B2 |
Provided is a paper feeding roll that prevents paper transportation failures over a long time. A paper feeding roll 10 is provided with an axial body 12 and an elastic layer 14 formed on an outer periphery of the axial body 12. The circu...
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JP2023150536A |
To provide a roll which can suppress deformation and inclination of an outer peripheral side of a roll piece constituting a roll body and can reduce manufacturing cost.A roll 10 includes a base 2 ad a roll part 1. The base 2 includes a p...
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JP2023150407A |
To provide a method of manufacturing a film that suppresses the film from being flawed (made defective) by a carrier roll.A method of manufacturing a film comprises a drawing process of heating and drawing a film F1 by the use of a drawi...
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JP2023147960A |
To provide a non-woven fabric roll that has a smooth surface, is free from wrinkles when rolled up in a broad-line, and is superior in a laminate property with a film.A non-woven fabric roll of the present invention is the non-woven fabr...
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JP2023147439A |
To provide a steel plate transportation roll for an acid pickling tank that suppresses adhesion of a metal oxide or a corrosion product to a steel plate in an acid pickling tank, alleviates maintenance burden such as roll exchange and ca...
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JP7359507B2 |
The invention relates to a roller for a chain which is constructed by a shell roller part and a core roller part, wherein the shell roller part comprises a first outer cylinder, a first inner cylinder which is positioned concentrically i...
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JP7358270B2 |
To provide a manufacturing method of an elastic roller capable of accurately manufacturing vibration of the elastic roller and concentricity between an elastic layer of the elastic roller and an axial core body.In a manufacturing method ...
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JP2023142388A |
To provide a configuration that can easily achieve miniaturization, and can easily identify the type of a transfer roller.A concave identification part that is recessed inward from an outer peripheral surface is provided on an outer peri...
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JP7355427B1 |
An object of the present invention is to provide a web conveyance device that can reliably drain liquid while conveying the web with low tension. [Solution] A guide roll 10 that guides a strip-shaped web 50 below the liquid level of a pr...
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JP7354719B2 |
A fixing member includes: a substrate layer including a resin; a first metal layer that is provided on an outer peripheral surface of the substrate layer and includes Cu; a second metal layer that is provided on an outer peripheral surfa...
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JP7353728B2 |
To aim to suppress bleeding of a conductive agent without coating on a surface.A urethane prepolymer contains at least one selected from the group consisting of a vinyl ether group, an allyl ether group, and (meth)acrylate group plurally...
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JP7353855B2 |
To provide a roller capable of facilitating work required for adhesion of an elastic body and a shaft, having a short adhesion time, and having excellent adhesiveness of the elastic body and the shaft, and a manufacturing method therefor...
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JP7352041B1 |
[Problem] There has been a desire for a roll equipped with an information storage medium that can efficiently perform quality control, inventory management, etc. even when repeatedly exposed to environments of high temperature, high pres...
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JP7342512B2 |
A liquid applying device includes a circulation member, an impregnation member, and a support member. The circulation member is configured to circulate in a predetermined direction. The impregnation member is formed in a plate shape. The...
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JP7342136B2 |
An electroconductive roll includes a core member, a rubber base material disposed around the core member, and a surface layer disposed around the rubber base material. The arithmetic mean peak curvature Spc of a surface of the surface la...
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JP7340071B2 |
This elastic roller is provided with a shaft body, an elastic layer provided on the outer peripheral surface of the shaft body, and a surface layer provided outside of the elastic layer. The elastic roller comprises an adhesive layer dis...
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JP2023124868A |
To provide a manufacturing method and manufacturing device for a rotating body device which can realize firm fixation of a sleeve and a flange while suppressing deformation of the sleeve.The method is used for manufacturing a rotating bo...
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