Golf club shaft and method of producing the same

Details Golf club shaft and method of producing the same Golf club shaft and method of producing the same

1995-10-26

1997-08-05

Passaniti, Sebastiano

Games using tangible projectile

Golf

Club or club support

273DIG23, A63B 5310

Patent

active

056536461

ABSTRACT:
A golf club shaft is composed of a fiber layer formed by employing a filament winding process using filaments each impregnated with a thermosetting resin, and a reinforcement layer formed by partially inserting a braid impregnated with a thermosetting resin onto a predetermined position on the fiber layer. A method of producing a golf club shaft of the foregoing type comprises a step of winding filaments each impregnated with a thermosetting resin around a mandrel to form a fiber layer, a step of inserting a braid composed of filaments each impregnated with a thermosetting resin onto a predetermined position on the fiber layer, a step of allowing the thermosetting resin to be thermally cured, and a step of disconnecting the mandrel.

REFERENCES:
patent: 3646610 (1972-02-01), Jackson
patent: 4539253 (1985-09-01), Hirschbuehler
patent: 4889575 (1989-12-01), Roy
patent: 4957883 (1990-09-01), Kobayashi
patent: 5083780 (1992-01-01), Walton
patent: 5143374 (1992-09-01), Shibasaki
patent: 5538769 (1996-07-01), Sandman, Jr.

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