CONDUCTIVE SPONGE ROLLER
PROBLEM TO BE SOLVED: To provide a conductive sponge rubber roller such as a transfer roller, a charging roller, a developing roller, in which non-uniform foaming is prevented from being produced in vulcanization with vapor or the like and a uniform cell size is ensured. SOLUTION: In the conductive...
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| creator | ISHIZUKA HITOMI UMEKI ERIKA |
| description | PROBLEM TO BE SOLVED: To provide a conductive sponge rubber roller such as a transfer roller, a charging roller, a developing roller, in which non-uniform foaming is prevented from being produced in vulcanization with vapor or the like and a uniform cell size is ensured. SOLUTION: In the conductive sponge rubber roller in which a rubber layer is formed on a conductive core material, the vulcanizing speed (T10) of the rubber at 160°C is 1.2 to 2.5 min, and the decomposing temperature of a foaming agent is 140 to 165°C. In the manufacture of the conductive sponge rubber, a temperature is raised at a temperature rise rate of 35°C/min or more and vulcanization is carried out at a vulcanizing temperature of 155 to 165°C. Alternatively, the temperature is raised at a temperature rise rate of 35°C/min or more until it reaches 120°C to 130°C, and heat is once retained for 1 to 3 min. Thereafter, a temperature rises at a temperature rise rate of 25°C/min, and vulcanization is carried out at 155 to 165°C. COPYRIGHT: (C)2005,JPO&NCIPI |
| format | Patent |
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SOLUTION: In the conductive sponge rubber roller in which a rubber layer is formed on a conductive core material, the vulcanizing speed (T10) of the rubber at 160°C is 1.2 to 2.5 min, and the decomposing temperature of a foaming agent is 140 to 165°C. In the manufacture of the conductive sponge rubber, a temperature is raised at a temperature rise rate of 35°C/min or more and vulcanization is carried out at a vulcanizing temperature of 155 to 165°C. Alternatively, the temperature is raised at a temperature rise rate of 35°C/min or more until it reaches 120°C to 130°C, and heat is once retained for 1 to 3 min. Thereafter, a temperature rises at a temperature rise rate of 25°C/min, and vulcanization is carried out at 155 to 165°C. 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SOLUTION: In the conductive sponge rubber roller in which a rubber layer is formed on a conductive core material, the vulcanizing speed (T10) of the rubber at 160°C is 1.2 to 2.5 min, and the decomposing temperature of a foaming agent is 140 to 165°C. In the manufacture of the conductive sponge rubber, a temperature is raised at a temperature rise rate of 35°C/min or more and vulcanization is carried out at a vulcanizing temperature of 155 to 165°C. Alternatively, the temperature is raised at a temperature rise rate of 35°C/min or more until it reaches 120°C to 130°C, and heat is once retained for 1 to 3 min. Thereafter, a temperature rises at a temperature rise rate of 25°C/min, and vulcanization is carried out at 155 to 165°C. COPYRIGHT: (C)2005,JPO&NCIPI</description><subject>AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING</subject><subject>BEARINGS</subject><subject>BLASTING</subject><subject>CINEMATOGRAPHY</subject><subject>ELECTROGRAPHY</subject><subject>ELECTROPHOTOGRAPHY</subject><subject>ELEMENTS OR CRANKSHAFT MECHANISMS</subject><subject>ENGINEERING ELEMENTS AND UNITS</subject><subject>FLEXIBLE SHAFTS</subject><subject>GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS</subject><subject>HEATING</subject><subject>HOLOGRAPHY</subject><subject>LIGHTING</subject><subject>MAGNETOGRAPHY</subject><subject>MECHANICAL ENGINEERING</subject><subject>PERFORMING OPERATIONS</subject><subject>PHOTOGRAPHY</subject><subject>PHYSICS</subject><subject>ROTARY BODIES OTHER THAN GEARING ELEMENTS</subject><subject>SHAFTS</subject><subject>SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR</subject><subject>SHAPING OR JOINING OF PLASTICS</subject><subject>THERMAL INSULATION IN GENERAL</subject><subject>TRANSPORTING</subject><subject>WEAPONS</subject><subject>WORKING OF PLASTICS</subject><subject>WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2005</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZJBw9vdzCXUO8QxzVQgO8Pdzd1UI8vfxcQ3iYWBNS8wpTuWF0twMSm6uIc4euqkF-fGpxQWJyal5qSXxXgFGBgamhgbmhqZGjsZEKQIAPIAgMQ</recordid><startdate>20050421</startdate><enddate>20050421</enddate><creator>ISHIZUKA HITOMI</creator><creator>UMEKI ERIKA</creator><scope>EVB</scope></search><sort><creationdate>20050421</creationdate><title>CONDUCTIVE SPONGE ROLLER</title><author>ISHIZUKA HITOMI ; UMEKI ERIKA</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JP2005107152A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2005</creationdate><topic>AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING</topic><topic>BEARINGS</topic><topic>BLASTING</topic><topic>CINEMATOGRAPHY</topic><topic>ELECTROGRAPHY</topic><topic>ELECTROPHOTOGRAPHY</topic><topic>ELEMENTS OR CRANKSHAFT MECHANISMS</topic><topic>ENGINEERING ELEMENTS AND UNITS</topic><topic>FLEXIBLE SHAFTS</topic><topic>GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS</topic><topic>HEATING</topic><topic>HOLOGRAPHY</topic><topic>LIGHTING</topic><topic>MAGNETOGRAPHY</topic><topic>MECHANICAL ENGINEERING</topic><topic>PERFORMING OPERATIONS</topic><topic>PHOTOGRAPHY</topic><topic>PHYSICS</topic><topic>ROTARY BODIES OTHER THAN GEARING ELEMENTS</topic><topic>SHAFTS</topic><topic>SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR</topic><topic>SHAPING OR JOINING OF PLASTICS</topic><topic>THERMAL INSULATION IN GENERAL</topic><topic>TRANSPORTING</topic><topic>WEAPONS</topic><topic>WORKING OF PLASTICS</topic><topic>WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL</topic><toplevel>online_resources</toplevel><creatorcontrib>ISHIZUKA HITOMI</creatorcontrib><creatorcontrib>UMEKI ERIKA</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>ISHIZUKA HITOMI</au><au>UMEKI ERIKA</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>CONDUCTIVE SPONGE ROLLER</title><date>2005-04-21</date><risdate>2005</risdate><abstract>PROBLEM TO BE SOLVED: To provide a conductive sponge rubber roller such as a transfer roller, a charging roller, a developing roller, in which non-uniform foaming is prevented from being produced in vulcanization with vapor or the like and a uniform cell size is ensured. SOLUTION: In the conductive sponge rubber roller in which a rubber layer is formed on a conductive core material, the vulcanizing speed (T10) of the rubber at 160°C is 1.2 to 2.5 min, and the decomposing temperature of a foaming agent is 140 to 165°C. In the manufacture of the conductive sponge rubber, a temperature is raised at a temperature rise rate of 35°C/min or more and vulcanization is carried out at a vulcanizing temperature of 155 to 165°C. Alternatively, the temperature is raised at a temperature rise rate of 35°C/min or more until it reaches 120°C to 130°C, and heat is once retained for 1 to 3 min. Thereafter, a temperature rises at a temperature rise rate of 25°C/min, and vulcanization is carried out at 155 to 165°C. COPYRIGHT: (C)2005,JPO&NCIPI</abstract><edition>7</edition><oa>free_for_read</oa></addata></record> |
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| subjects | AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING BEARINGS BLASTING CINEMATOGRAPHY ELECTROGRAPHY ELECTROPHOTOGRAPHY ELEMENTS OR CRANKSHAFT MECHANISMS ENGINEERING ELEMENTS AND UNITS FLEXIBLE SHAFTS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING HOLOGRAPHY LIGHTING MAGNETOGRAPHY MECHANICAL ENGINEERING PERFORMING OPERATIONS PHOTOGRAPHY PHYSICS ROTARY BODIES OTHER THAN GEARING ELEMENTS SHAFTS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS THERMAL INSULATION IN GENERAL TRANSPORTING WEAPONS WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL |
| title | CONDUCTIVE SPONGE ROLLER |
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