Patent ID: 8376875

Claim:
A golf club shaft formed by winding a plurality of prepregs made of uncured thermosetting resin into a tapered shape and curing said prepregs thermally, said prepregs comprising: a first woven fabric prepreg that is impregnated with uncured thermosetting resin; a second woven fabric prepreg that is impregnated with uncured thermosetting resin; and an intermediate prepreg interposed between said first woven fabric prepreg and said second woven fabric prepreg with said first and second woven fabric prepregs wound immediately inside and outside said intermediate prepreg, wherein one of said first woven fabric prepreg and said second woven fabric prepreg is made of a tetra-axial woven fabric, and the other is made of a tri-axial woven fabric, wherein said intermediate prepreg is made of a 0-degree layer, a long fiber direction of which is parallel to an longitudinal direction of said golf club shaft.