Gosen Co., Ltd.

Yutaka Takashima

Katsuo Kanno

A racket string consists of lengthwise sections having different tensile elastic moduli with at least one section of the string having a tensile elastic modulus higher than other sections. A stringed racket includes at least one string constituting the central stringed area of the racket with higher tensile elastic modulus, and a peripheral stringed area with sections of the string having lower tensile elastic modulus. Another stringed racket includes at least one string constituting the central stringed area of the racket with lower tensile elastic modulus and a peripheral stringed area with sections of the string having higher tensile elastic modulus.

Racket string and stringed rackets using the same

The invention deals with a string for use in rackets used for tennis and badminton and so on. These are wound around the periphery of a monofilament center core in a mixed condition, wrapping monofilaments of a large diameter and a small diameter and the wrapping monofilaments are covered with a coating resin such that a part in a periphery side of the large diameter wrapping monofilament is uncovered. Moreover, the elongation of the wrapping monofilaments of large diameter and small diameter is greater by 5-40% than the elongation of monofilament center core. This string is superior in ball control and has a higher knot strength.

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Hyogo, Japan

Yutaka Takashima