Golf club head

Games using tangible projectile – Golf – Club or club support

Patent

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Details

473342, 473349, A63B 5304

Patent

active

060899921

ABSTRACT:
In a golf club head having a face body, the face body is composed of a hybrid of an amorphous phase layer and a crystal phase layer. The crystal phase layer is disposed on a reverse face side of a face. And, thickness of the face body is 0.5 mm to 5.0 mm, thickness of the amorphous phase layer is, on average in whole area of the face body, more than 50% of the thickness of the face body, and thickness of the crystal phase layer is arranged to be 0.01 mm to 3.0 mm.

REFERENCES:
patent: 4951953 (1990-08-01), Kim
patent: 5213148 (1993-05-01), Masumoto et al.
patent: 5458334 (1995-10-01), Sheldon et al.
patent: 5620382 (1997-04-01), Cho et al.
patent: 5779560 (1998-07-01), Buck et al.
patent: 5896642 (1999-04-01), Peker et al.

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