Structure of golf club shaft and method of producing the shaft

Details Structure of golf club shaft and method of producing the shaft Structure of golf club shaft and method of producing the shaft

1989-10-03

1991-07-02

Seidleck, James J.

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

273 80R, 273 803, 156189, 156190, 156173, 428 361, 428 363, A63B 5312

Patent

active

050284649

ABSTRACT:
A golf club shaft comprises a laminated tube constituting a main body of the shaft which is wound around the outer periphery of a mandrel, a transparent metallic layer wound around the outer periphery of the laminated tube and a resin coat such as epoxy resin formed on the outer periphery of the transparent metallic layer. The laminated tube is composed of a plurality of cloth prepreg sheets having different fiber orientations when wound around the mandrel. The transparent metallic layer is composed of a cloth prepreg sheet and a metallic surface. The cloth prepreg sheet is formed of a cloth of organic and/or inorganic fibers, which is made transparent after molding treatment, and formed by plating or depositing, on one surface of the cloth, metal such as titanium or the like and by impregnating epoxy resin or other thermosetting or thermoplastic resin into the thus formed cloth. The transparent metallic layer is wound around the laminated tube with the metallic surface disposed inside to oppose to the outer surface of the laminated tube. The resin coat is applied on the outer peripheral surface of the transparent metallic layer after grinding the surface as occasion demands.

REFERENCES:
patent: 3771973 (1973-11-01), Miller
patent: 4757997 (1988-07-01), Roy

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