RACKET STRING AND MANUFACTURING METHOD THEREOF

PROBLEM TO BE SOLVED: To provide a racket string having a low frictional resistance value and high durability.SOLUTION: The racket string includes a core yarn 2, a sheath yarn 4 in the outside thereof, and a surface resin layer 5 in the outside thereof. The core yarn 2 and the sheath yarn 4 are inte...

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Bibliographische Detailangaben
Hauptverfasser:	KAIEDA KEI, SAKAMOTO ITSUKI, OHARA TOSHIYUKI
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	AMUSEMENTS APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING,CLIMBING, OR FENCING BALL GAMES CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, ORYARNS FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR GAMES HUMAN NECESSITIES LAUNDERING MECHANICAL FINISHING OF YARNS OR ROPES SPORTS TEXTILES TRAINING EQUIPMENT TREATMENT OF TEXTILES OR THE LIKE TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS,FABRICS, FEATHERS, OR FIBROUS GOODS MADE FROM SUCH MATERIALS WARPING OR BEAMING YARNS YARNS OR THREADS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a racket string having a low frictional resistance value and high durability.SOLUTION: The racket string includes a core yarn 2, a sheath yarn 4 in the outside thereof, and a surface resin layer 5 in the outside thereof. The core yarn 2 and the sheath yarn 4 are integrated together by fusion of a hot melt yarn 3 interposed on the core yarn 2 surface. The resin of the surface resin layer 5 is a thermoplastic resin including no solvent, and concavo-convex shapes are formed on the surface of the surface resin layer 5 along the sheath yarn 4. This configuration can reduce the frictional resistance value and improve durability.SELECTED DRAWING: Figure 1 【課題】摩擦抵抗値が低く、耐久性の高いラケット用ストリングを提供する。【解決手段】芯糸２と、その外側の鞘糸４と、その外側の表面樹脂層５を含むラケット用ストリングであって、芯糸２と鞘糸４は、芯糸２表面に介在させたホットメルト糸３の融着により一体化しており、表面樹脂層５の樹脂は溶剤を含まない熱可塑性樹脂であり、表面樹脂層５の表面は、鞘糸４に沿って凹凸形状が形成されている。これにより、摩擦抵抗値が低く、耐久性を向上させる。【選択図】図１