Golf club shaft

Details Golf club shaft Golf club shaft

2005-03-29

2005-03-29

Blau, Stephen (Department: 3711)

Games using tangible projectile

Golf

Club or club support

C473S320000

Reexamination Certificate

active

06872151

ABSTRACT:
A golf club shaft composed of a laminate of prepregs obtained by impregnating reinforcing fibers with a resin, the weight (g) of the golf club shaft per unit length (mm) is less than 0.0385 g/mm. Prepregs, each including a reinforcing fiber having a high tensile modulus of elasticity not less than 300 GPa and a high tensile strength not less than 5000 MPa are disposed as a part of a straight layer in which the reinforcing fibers are parallel with the axial direction of the golf club shaft.

REFERENCES:
patent: 5156396 (1992-10-01), Akatsuka et al.
patent: 6273830 (2001-08-01), Takemura et al.
patent: 5-49717 (1993-03-01), None

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