METHOD FOR MANUFACTURING RACKET STRINGS, PARTICULARLY FOR TENNIS RACKETS
PCT No. PCT/AT83/00014 Sec. 371 Date Jan. 11, 1984 Sec. 102(e) Date Jan. 11, 1984 PCT Filed May 13, 1983 PCT Pub. No. WO83/03998 PCT Pub. Date Nov. 24, 1983.In the method for manufacturing strings, a plurality of narrow strip layers (22) of synthetic material are successively and coaxially helically...
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| description | PCT No. PCT/AT83/00014 Sec. 371 Date Jan. 11, 1984 Sec. 102(e) Date Jan. 11, 1984 PCT Filed May 13, 1983 PCT Pub. No. WO83/03998 PCT Pub. Date Nov. 24, 1983.In the method for manufacturing strings, a plurality of narrow strip layers (22) of synthetic material are successively and coaxially helically wound on the cylindrical surface of a continuous core. The winding (3) thus produced is conveyed hot to a welding area (7) wherein the narrow strips (22) of synthetic material are mutually assembled by welding. The temperature of the welding area is adjusted high enough so that a welding between the narrow strips (22) takes place without substantially decreasing the breaking strength of the narrow strips (22) by such heat treatment. The appropriate materials for the narrow strips are olefines such as homopolymer polypropylene or terpolymer polypropylene-polyethylene-dienes. To reduce the tendency to flow, the material forming the narrow strips may contain a nucleation agent. The characteristics of the strings thus manufactured are similar to those of gut strings. |
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Date Nov. 24, 1983.In the method for manufacturing strings, a plurality of narrow strip layers (22) of synthetic material are successively and coaxially helically wound on the cylindrical surface of a continuous core. The winding (3) thus produced is conveyed hot to a welding area (7) wherein the narrow strips (22) of synthetic material are mutually assembled by welding. The temperature of the welding area is adjusted high enough so that a welding between the narrow strips (22) takes place without substantially decreasing the breaking strength of the narrow strips (22) by such heat treatment. The appropriate materials for the narrow strips are olefines such as homopolymer polypropylene or terpolymer polypropylene-polyethylene-dienes. To reduce the tendency to flow, the material forming the narrow strips may contain a nucleation agent. The characteristics of the strings thus manufactured are similar to those of gut strings.</description><edition>4</edition><language>eng ; ger</language><subject>AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING ; AMUSEMENTS ; APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING,CLIMBING, OR FENCING ; BALL GAMES ; CONVEYING ; CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, ORYARNS ; GAMES ; HANDLING THIN OR FILAMENTARY MATERIAL ; HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS,CABLES ; HUMAN NECESSITIES ; MECHANICAL FINISHING OF YARNS OR ROPES ; 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 ; SPORTS ; STORING ; TEXTILES ; TRAINING EQUIPMENT ; TRANSPORTING ; WARPING OR BEAMING ; WORKING OF PLASTICS ; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL ; YARNS ; YARNS OR THREADS</subject><creationdate>1987</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19870909&DB=EPODOC&CC=EP&NR=0108093B1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76289</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19870909&DB=EPODOC&CC=EP&NR=0108093B1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>WOLTRON, HERBERT</creatorcontrib><title>METHOD FOR MANUFACTURING RACKET STRINGS, PARTICULARLY FOR TENNIS RACKETS</title><description>PCT No. PCT/AT83/00014 Sec. 371 Date Jan. 11, 1984 Sec. 102(e) Date Jan. 11, 1984 PCT Filed May 13, 1983 PCT Pub. No. WO83/03998 PCT Pub. Date Nov. 24, 1983.In the method for manufacturing strings, a plurality of narrow strip layers (22) of synthetic material are successively and coaxially helically wound on the cylindrical surface of a continuous core. The winding (3) thus produced is conveyed hot to a welding area (7) wherein the narrow strips (22) of synthetic material are mutually assembled by welding. The temperature of the welding area is adjusted high enough so that a welding between the narrow strips (22) takes place without substantially decreasing the breaking strength of the narrow strips (22) by such heat treatment. The appropriate materials for the narrow strips are olefines such as homopolymer polypropylene or terpolymer polypropylene-polyethylene-dienes. To reduce the tendency to flow, the material forming the narrow strips may contain a nucleation agent. The characteristics of the strings thus manufactured are similar to those of gut strings.</description><subject>AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING</subject><subject>AMUSEMENTS</subject><subject>APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING,CLIMBING, OR FENCING</subject><subject>BALL GAMES</subject><subject>CONVEYING</subject><subject>CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, ORYARNS</subject><subject>GAMES</subject><subject>HANDLING THIN OR FILAMENTARY MATERIAL</subject><subject>HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS,CABLES</subject><subject>HUMAN NECESSITIES</subject><subject>MECHANICAL FINISHING OF YARNS OR ROPES</subject><subject>PACKING</subject><subject>PERFORMING OPERATIONS</subject><subject>PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCESIN A PLASTIC STATE</subject><subject>SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR</subject><subject>SHAPING OR JOINING OF PLASTICS</subject><subject>SPORTS</subject><subject>STORING</subject><subject>TEXTILES</subject><subject>TRAINING EQUIPMENT</subject><subject>TRANSPORTING</subject><subject>WARPING OR BEAMING</subject><subject>WORKING OF PLASTICS</subject><subject>WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL</subject><subject>YARNS</subject><subject>YARNS OR THREADS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1987</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZPDwdQ3x8HdRcPMPUvB19At1c3QOCQ3y9HNXCHJ09nYNUQgOAfGCdRQCHINCPJ1DfRyDfCLBykNc_fw8g6HqgnkYWNMSc4pTeaE0N4OCm2uIs4duakF-fGpxQWJyal5qSbxrgIGhgYWBpbGToTERSgDOciyw</recordid><startdate>19870909</startdate><enddate>19870909</enddate><creator>WOLTRON, HERBERT</creator><scope>EVB</scope></search><sort><creationdate>19870909</creationdate><title>METHOD FOR MANUFACTURING RACKET STRINGS, PARTICULARLY FOR TENNIS RACKETS</title><author>WOLTRON, HERBERT</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_EP0108093B13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; ger</language><creationdate>1987</creationdate><topic>AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING</topic><topic>AMUSEMENTS</topic><topic>APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING,CLIMBING, OR FENCING</topic><topic>BALL GAMES</topic><topic>CONVEYING</topic><topic>CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, ORYARNS</topic><topic>GAMES</topic><topic>HANDLING THIN OR FILAMENTARY MATERIAL</topic><topic>HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS,CABLES</topic><topic>HUMAN NECESSITIES</topic><topic>MECHANICAL FINISHING OF YARNS OR ROPES</topic><topic>PACKING</topic><topic>PERFORMING OPERATIONS</topic><topic>PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCESIN A PLASTIC STATE</topic><topic>SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR</topic><topic>SHAPING OR JOINING OF PLASTICS</topic><topic>SPORTS</topic><topic>STORING</topic><topic>TEXTILES</topic><topic>TRAINING EQUIPMENT</topic><topic>TRANSPORTING</topic><topic>WARPING OR BEAMING</topic><topic>WORKING OF PLASTICS</topic><topic>WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL</topic><topic>YARNS</topic><topic>YARNS OR THREADS</topic><toplevel>online_resources</toplevel><creatorcontrib>WOLTRON, HERBERT</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>WOLTRON, HERBERT</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>METHOD FOR MANUFACTURING RACKET STRINGS, PARTICULARLY FOR TENNIS RACKETS</title><date>1987-09-09</date><risdate>1987</risdate><abstract>PCT No. PCT/AT83/00014 Sec. 371 Date Jan. 11, 1984 Sec. 102(e) Date Jan. 11, 1984 PCT Filed May 13, 1983 PCT Pub. No. WO83/03998 PCT Pub. Date Nov. 24, 1983.In the method for manufacturing strings, a plurality of narrow strip layers (22) of synthetic material are successively and coaxially helically wound on the cylindrical surface of a continuous core. The winding (3) thus produced is conveyed hot to a welding area (7) wherein the narrow strips (22) of synthetic material are mutually assembled by welding. The temperature of the welding area is adjusted high enough so that a welding between the narrow strips (22) takes place without substantially decreasing the breaking strength of the narrow strips (22) by such heat treatment. The appropriate materials for the narrow strips are olefines such as homopolymer polypropylene or terpolymer polypropylene-polyethylene-dienes. To reduce the tendency to flow, the material forming the narrow strips may contain a nucleation agent. The characteristics of the strings thus manufactured are similar to those of gut strings.</abstract><edition>4</edition><oa>free_for_read</oa></addata></record> |
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| language | eng ; ger |
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| subjects | AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING AMUSEMENTS APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING,CLIMBING, OR FENCING BALL GAMES CONVEYING CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, ORYARNS GAMES HANDLING THIN OR FILAMENTARY MATERIAL HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS,CABLES HUMAN NECESSITIES MECHANICAL FINISHING OF YARNS OR ROPES 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 SPORTS STORING TEXTILES TRAINING EQUIPMENT TRANSPORTING WARPING OR BEAMING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL YARNS YARNS OR THREADS |
| title | METHOD FOR MANUFACTURING RACKET STRINGS, PARTICULARLY FOR TENNIS RACKETS |
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