Invention Grant
- Patent Title: Golf club head and manufacturing method for same
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Application No.: US15218746Application Date: 2016-07-25
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Publication No.: US09981164B2Publication Date: 2018-05-29
- Inventor: Akio Yamamoto
- Applicant: DUNLOP SPORTS CO. LTD.
- Applicant Address: JP Kobe-shi, Hyogo
- Assignee: DUNLOP SPORTS CO. LTD.
- Current Assignee: DUNLOP SPORTS CO. LTD.
- Current Assignee Address: JP Kobe-shi, Hyogo
- Agency: Birch, Stewart, Kolasch & Birch, LLP
- Priority: JP2013-017516 20130131
- Main IPC: A63B53/04
- IPC: A63B53/04 ; B22D19/04 ; B22D25/02 ; C22C14/00 ; B22D19/00 ; B22D21/00

Abstract:
The present invention provides a golf club head that enables increasing the moment of inertia while also improving durability, and a manufacturing method for the same. The golf club head of the present invention includes a crown portion. The crown portion has a first region having a first thickness and multiple second regions having a second thickness that is smaller than the first thickness. The second regions are distributed in a radiating fashion so as to extend from an origin toward a peripheral portion of the crown portion excluding the face side, the origin being located within 15 mm of the center of gravity of the golf club head in the toe-heel direction and also being located in the vicinity of the face side in the face-back direction in a plan view.
Public/Granted literature
- US20160375322A1 GOLF CLUB HEAD AND MANUFACTURING METHOD FOR SAME Public/Granted day:2016-12-29
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