The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 04, 1999
Filed:
Sep. 25, 1997
Applicant:
Inventors:
Hideharu Minematsu, Tokyo, JP;
Yasuto Imai, Tokyo, JP;
Assignee:
Daiwa Seiko, Inc., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A63B / ;
U.S. Cl.
CPC ...
473329 ; 473342 ; 473350 ;
Abstract
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.