Daiwa Seiko, Inc.

Hideharu Minematsu

Yasuto Imai

In a manufacturing method of a golf club head, when a portion close to the outer edge of the inserting end of the face body is press-fitted and inserted into the recess being plastically deformed along the bottom section of the recess, the probability of occurrence of blow holes in the dented section formed in the recess is low compared with the conventional head body; the engaging strength of the face body with the recess of the head body is enhanced compared with the conventional head body; and further it is easy to manufactured the club head.

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Tokyo, Japan

Hideharu Minematsu