THERMOPLASTIC POWER TRANSMISSION BELTS

- I "THERMOPLASTIC POWER TRANSMISSION BELTS" A method of manufacturing a thermoplastic transmission belt having a reinforcing element in the form of a tape woven from synthetic filamentary fibre yarn and an apparatus for performing the method. A thermoplastic body element is extruded aroun...

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Bibliographische Detailangaben
Hauptverfasser:	HARVEY, PETER J.N, ROBERTS, MICHAEL J
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING CONVEYING HANDLING THIN OR FILAMENTARY MATERIAL HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS,CABLES INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULARARTICLES INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS PACKING PERFORMING OPERATIONS PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCESIN A PLASTIC STATE SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS STORING TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	- I "THERMOPLASTIC POWER TRANSMISSION BELTS" A method of manufacturing a thermoplastic transmission belt having a reinforcing element in the form of a tape woven from synthetic filamentary fibre yarn and an apparatus for performing the method. A thermoplastic body element is extruded around the reinforcing element. The reinforcing eliminates heated prior to the extrusion stage and after extrusion the formed belt is cooled. The reinforcing element is held in tension during the heating, extruding and cooling stages. A constant tension is applied to the reinforcing element by suspending a discrete weight from the reinforcing element. A haul-off mechanism is provided and comprises two rotatable opposed endless belts which grip the formed belt to pull the reinforcing element through the apparatus. A bonding agent may be applied to the reinforcing element by passing it through a dip tank.