Amusement devices: games – Aerial projectile game; game element or accessory therefor... – Target
Patent
1989-05-05
1992-09-08
Grieb, William H.
Amusement devices: games
Aerial projectile game; game element or accessory therefor...
Target
A63B 5102
Patent
active
051451727
ABSTRACT:
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.
REFERENCES:
patent: 4377620 (1983-03-01), Alexander
Chiu Raleigh W.
Gosen Co., Ltd.
Grieb William H.
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