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:
Dec. 23, 2003
Filed:
Aug. 02, 2001
Applicant:
Inventors:
Mototaka Iwata, Osaka, JP;
Kiyotaka Chaen, Osaka, JP;
Isamu Toshinari, Osaka, JP;
Kenji Kanegawa, Higashihiroshima, JP;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A63B 5/304 ;
U.S. Cl.
CPC ...
A63B 5/304 ;
Abstract
A golf club according to the present invention comprises a face portion ( ) and a neck portion ( ), and metal flow lines ( ) continue from the face portion ( ) to the neck portion ( ). These metal flow lines ( ) extend in a single direction on the face portion ( ). A method of manufacturing a golf club according to the present invention comprises steps of bending a rod member subjected to drawing plastic working on an end and forging the rod member after the bending for integrally molding a face portion ( ) and a neck portion ( ).