Title:
GOLF CLUB HEAD AND MANUFACTURING METHOD THEREOF
Document Type and Number:
Japanese Patent JP2007275552
Kind Code:
A
Abstract:
To provide a golf club head allowing to have a low center of gravity, and a manufacturing method thereof.
The golf club head 1 comprises at least a head body 1A provided with: a face member 1B forming at least a part of a face part 3; a sole member 1C forming at least a part of a sole part 5; a face side opening part Of to which a face member 1b is fixed; and an opening part Os to which the sole member 1C is fixed, wherein a hollow part i is provided inside thereof. Each specific gravity of the face member 1B, the sole member 1C, and the head body 1A, ρf, ρs, ρm satisfy a relation of ρf≤ρm<ρs, and the sole member 1C has yield stress smaller than that of the body 1A.
COPYRIGHT: (C)2008,JPO&INPIT
Inventors:
HIRANO TOMOYA
Application Number:
JP2007036683A
Publication Date:
October 25, 2007
Filing Date:
February 16, 2007
Export Citation:
Assignee:
SRI SPORTS LTD
International Classes:
A63B53/04; A63B102/32
Domestic Patent References:
JPH0999121A | 1997-04-15 | |||
JPH10225538A | 1998-08-25 | |||
JP2000245876A | 2000-09-12 | |||
JP2004121362A | 2004-04-22 | |||
JPH04101079A | 1992-04-02 | |||
JP2004344295A | 2004-12-09 | |||
JP2001204859A | 2001-07-31 |
Attorney, Agent or Firm:
Tadashi Naemura
Sumitomo Shintaro
Sumitomo Shintaro