TRANSMISSION BELT FOR WINDOW GLASS OPENING/CLOSING OPERATION REGULATING DEVICE

PROBLEM TO BE SOLVED: To easily obtain a high-strength, long-life flat belt with holes by making up a belt body of a thermoplastic elastomer, then setting the belt body in an unstretched state in which it is not treated for stretching, and further, embedding reinforcing cords in the longitudinal dir...

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Bibliographische Detailangaben
Hauptverfasser:	KURODA HIDEO, ONOE SUSUMU
Format:	Patent
Sprache:	eng
Schlagworte:	CHECKS FOR WINGS CONVEYING DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION FIXED CONSTRUCTIONS HANDLING THIN OR FILAMENTARY MATERIAL INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS KEYS LOCKS PACKING PERFORMING OPERATIONS PNEUMATIC TUBE CONVEYORS PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCESIN A PLASTIC STATE SAFES SHOP CONVEYOR SYSTEMS STORING TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING ORTIPPING TRANSPORTING WINDOW OR DOOR FITTINGS WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THEFUNCTIONING OF THE WING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To easily obtain a high-strength, long-life flat belt with holes by making up a belt body of a thermoplastic elastomer, then setting the belt body in an unstretched state in which it is not treated for stretching, and further, embedding reinforcing cords in the longitudinal direction of the belt in such a way that the cords are arranged at a specified pitch across the width of the belt. SOLUTION: A flat belt A is made up of a thermoplastic elastomer and numerous fitting holes 2 are formed at a specified pitch in the entire longitudinal direction of a belt body 1. In addition, reinforcing cords 3 are embedded in the longitudinal direction of the belt body 1 in such a manner that the cords 3 are arranged at a specified pitch on both sides of each of the fitting holes 2 across the width of the belt body 1. Consequently, the flat belt A is toughened by the physical properties of the thermoplastic elastomer of the belt body 1 and therefore, the useful life of the belt A is prolonged. Besides, the belt body 1 is not treated for stretching after molding so that it is not stretchable. For this resin, this transmission belt can be easily manufactured and also s free from irregularities in the molecular orientation. The reinforcing cord 3 is, for example, preferably of a high-strength aramid fiber.