Invention Grant
- Patent Title: Golf club head
- Patent Title (中): 高尔夫球杆头
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Application No.: US11944920Application Date: 2007-11-26
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Publication No.: US07677990B2Publication Date: 2010-03-16
- Inventor: Wataru Ban
- Applicant: Wataru Ban
- Applicant Address: JP Tokyo
- Assignee: Bridgestone Sports Co., Ltd.
- Current Assignee: Bridgestone Sports Co., Ltd.
- Current Assignee Address: JP Tokyo
- Agency: Paul, Hastings, Janofsky & Walker LLP
- Priority: JP2006-324552 20061130
- Main IPC: A63B53/04
- IPC: A63B53/04

Abstract:
A golf club head of this invention includes a face and a plurality of striations formed on the face by milling. A pitch P in the arrangement direction of the plurality of striations satisfies 300 μm≦P≦600 μm. The surface roughness of a region in the face with the striations satisfies in the maximum height of the profile Ry, 15 μm≦Ry≦0.005×P+15.7 μm.
Public/Granted literature
- US20080132352A1 GOLF CLUB HEAD Public/Granted day:2008-06-05
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