ROLLER AND MANUFACTURE THEREOF

PROBLEM TO BE SOLVED: To increase frictional resistance between the outer peripheral surface of a roller and a paper so as to improve a paper feed function by forming a gear of a resin material, and forming a roller main body of a hollow core part made of a resin material and a surface part includin...

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Bibliographische Detailangaben
1. Verfasser:	FUKUI MICHIYASU
Format:	Patent
Sprache:	eng
Schlagworte:	ACCESSORIES THEREFOR AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USINGWAVES OTHER THAN OPTICAL WAVES APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FORPROJECTING OR VIEWING THEM BEARINGS BLASTING CINEMATOGRAPHY ELECTROGRAPHY ELEMENTS OR CRANKSHAFT MECHANISMS ENGINEERING ELEMENTS AND UNITS FLEXIBLE SHAFTS GEARING GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING HOLOGRAPHY INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULARARTICLES INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM LIGHTING MECHANICAL ENGINEERING PERFORMING OPERATIONS PHOTOGRAPHY PHYSICS PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCESIN A PLASTIC STATE 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
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To increase frictional resistance between the outer peripheral surface of a roller and a paper so as to improve a paper feed function by forming a gear of a resin material, and forming a roller main body of a hollow core part made of a resin material and a surface part including a soft material which is soft relatively more than the resin material. SOLUTION: A roller main body 2 consists of a core part 2b having a hollow part 4, and a surface part 2a formed so as to cover the surface of the core part 2b. The surface 2a is formed of a soft material which is a soft relatively more than a resin material for composing the core part 2b, a spindle 3b, and a gear 5. A thermoplastic elastomer capable of injection molding and the like are used as the soft material. The surface 2a formed of the soft material is provided, and thereby, it is possible to increase frictional resistance between the surface of the roller main body 2 and a paper comparing with the case where the surface of the roller main body 2 is formed of a resin material which is used generally.