| 摘要 |
PCT No. PCT/FR91/00859 Sec. 371 Date Dec. 30, 1993 Sec. 102(e) Date Dec. 30, 1993 PCT Filed Nov. 4, 1991 PCT Pub. No. WO93/00968 PCT Pub. Date Jan. 21, 1993.A golf club head including an outside lower portion intended to rest on the ground, constituting the sole, a substantially plane front portion constituting the impact surface, and a rear portion constituting the body, wherein the club head includes an internal cavity limited at least partially by the walls of a steel shell in the lower and rear portion, and that at least the impact surface is a fiber-based composite material of which the modulus of the elasticity is greater than or equal 230 GPa.
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