Games using tangible projectile – Golf – Club or club support
Patent
1995-09-26
1997-06-03
Passaniti, Sebastiano
Games using tangible projectile
Golf
Club or club support
273DIG23, A63B 5310
Patent
active
056348614
ABSTRACT:
A golf club shaft according to the present invention is formed by winding annularly and unitarily in an overlapping state a reinforcing layer of a resin film comprising an organic polymer around the outer surface of a club shaft body of a fiber-reinforced resin in a manner that the reinforcing layer extends in a limited range from a front end of the club shaft body to the portion thereof which is not less than 150 mm and not more than 500 mm distant therefrom.
A method of manufacturing this golf club shaft has the steps of winding unitarily in an overlapping state a resin film formed out of an organic polymer and coated at one surface thereof which faces a club shaft body with a bonding agent around the outer surface of the club shaft body, which is formed cylindrically out of an uncured fiber-reinforced resin, in such a manner that the resin film extends between a front end of the club shaft body and the portion thereof which is not less than 150 mm and not more than 500 mm distant therefrom, and then thermally curing the resultant product.
REFERENCES:
patent: 4157181 (1979-06-01), Cecka
patent: 4889575 (1989-12-01), Roy
patent: 5242720 (1993-09-01), Blake
patent: 5265872 (1993-11-01), Tennent
Nishimoto Tatsuo
Yamamoto Shinji
Blau Stephen L.
Passaniti Sebastiano
The Yokohama Rubber Co. Ltd.
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