Patent application number | Description | Published |
20100247779 | CYLINDRICAL CORE FOR MANUFACTURING ENDLESS BELT-SHAPED BODY, AND METHOD FOR MANUFACTURING ENDLESS BELT-SHAPED BODY - A cylindrical core for manufacturing an endless belt-shaped body includes a cylindrical portion that includes a cylinder whose cylindrical shape is not maintainable without support when an outer surface thereof is orthogonal to the direction of gravitational force; and flange portions that are detachably mounted on both axial ends of the cylindrical portion, wherein the cylindrical core is used in a method for manufacturing an endless belt-shaped body, the method including applying a coating film forming resin solution onto an outer surface or an inner surface of the cylindrical portion in a state in which the flange portions are mounted on the cylindrical portion; drying a solvent of the coating film forming resin solution; and solidifying the coating film forming resin by heating in a state in which the flange portions are removed, to form the endless belt-shaped body. | 09-30-2010 |
20100316804 | METHOD FOR MANUFACTURING A TUBULAR BODY - A method for manufacturing a tubular body, includes: attaching a first member to an outer or inner peripheral surface of one end in an axial direction of a cylindrical core, along a circumferential direction of the peripheral surface thereof; applying a first resin solution on the peripheral surface, to cover it and the peripheral surface of one end of the first member closer to the center of the core, and to form a coating (first coat film); attaching a second member to the peripheral surface of the end of the first coat film on the side where the first member has been attached; applying a second resin solution on the peripheral surface of the first coat film, to cover it and the peripheral surface of the end of the second member closer to the center, and to form a coating (second coat film); peeling off the first and second members. | 12-16-2010 |
20110008544 | METHOD OF MANUFACTURING ENDLESS BELT MEMBER, ENDLESS BELT MEMBER, AND IMAGE FORMING APPARATUS - A method of manufacturing an endless belt member is provided, the method including: applying a film forming resin solution onto a surface of a cylindrical core body; drying the film forming resin solution applied on the core body while rotating the core body around an axial direction of the core body; providing a shielding member to one end side of the core body in the axial direction, the shielding member shielding a wind fed from the one end side; and manufacturing an endless belt member on which the film forming resin is solidified, by putting the core body to which the shielding member is provided into a heating furnace equipped with a blowing part that blows a hot air from the one end side, and heating the core body. | 01-13-2011 |
20120070586 | METHOD FOR MANUFACTURING TUBULAR BODY - According to an exemplary embodiment, a method for manufacturing a tubular body is provided. The method includes maintaining at about 15° C. or lower a heat-curable solution containing a polyimide precursor solution in which a conductive agent having an acidic group is dispersed; coating the heat-curable solution maintained at about 15° C. or lower on a core body to form a coating film of the heat-curable solution, and curing the coating film by heating to obtain a tubular body. | 03-22-2012 |
20120076939 | METHOD OF PRODUCING ENDLESS BAND-SHAPED BODY - A method of producing an endless band-shaped body includes: forming a coating film by applying film-forming resin solution to an outer circumferential surface of a cylindrical core body that is being rotated around an axis of the cylindrical core body by a rotation device in a state where the axis of the cylindrical core body is horizontally directed, the cylindrical core body undergoing deformation into an oval cylindrical shape due to its own weight when left unsupported with the axis of the cylindrical core body directed horizontally; and drying the coating film formed on the outer circumferential surface of the rotating cylindrical core body. The rotation device includes plural rolls each disposed at a position that would touch an axial end region of the outer circumferential surface of the cylindrical core body in an undeformed state, and the cylindrical core body being supported by the first and second rolls. | 03-29-2012 |
20120241997 | TUBULAR MEMBER MANUFACTURING METHOD - A tubular member manufacturing method includes coating the surface of a rotating core body with a resin solution to form a coating film thereon while rotating the core body with the axis direction set to be horizontal, drying the coating film by blowing air to the core body with a saturated air volume with which a drying rate of the coating film is saturated, and stripping the dried coating film from the core body. | 09-27-2012 |
20120248656 | METHOD OF MANUFACTURING THERMOSETTING SOLUTION AND METHOD OF MANUFACTURING TUBULAR MEMBER - A method of manufacturing a thermosetting solution includes a process for preparing a solution having a conductive material having an acid group dispersed in the solution, preparing a polyimide precursor solution, and mixing the solution having the conductive material dispersed therein and the polyimide precursor solution, and stirring the mixed solution using a stirring tank in which a stirring blade is disposed and the minimum gap between the inner surface of the stirring tank and the stirring blade is from about 1 mm to about 15 mm. | 10-04-2012 |
20130043614 | METHOD FOR MANUFACTURING ENDLESS BELT - A method for manufacturing an endless belt includes coating a solution containing a polyimide precursor and conductive particles on the circumferential surface of a core to form a first coating film, drying the first coating film so that the residual amount of a solvent of the first coating film falls within a range of from about 10% to about 20% in respective portions, coating a solution containing a polyimide precursor and conductive particles on the dried first coating film to form a second coating film, drying the second coating film, heating the first dried coating film and the dried second coating film so that the polyimide precursors are imidized, and removing the first coating film and the second coating film heated in the heating of the first coating film and second coating film from a core. | 02-21-2013 |