Invention Grant
- Patent Title: Multi-piece golf ball
- Patent Title (中): 多件高尔夫球
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Application No.: US14314832Application Date: 2014-06-25
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Publication No.: US09498683B2Publication Date: 2016-11-22
- Inventor: Takahiro Shigemitsu
- Applicant: Dunlop Sports Co., Ltd.
- Applicant Address: JP Kobe-shi
- Assignee: DUNLOP SPORTS CO. LTD.
- Current Assignee: DUNLOP SPORTS CO. LTD.
- Current Assignee Address: JP Kobe-shi
- Agency: Birch, Stewart, Kolasch & Birch, LLP
- Priority: JP2013-133791 20130626; JP2013-133806 20130626
- Main IPC: A63B37/02
- IPC: A63B37/02 ; A63B37/08 ; A63B37/00 ; A63B45/00

Abstract:
Provided is a golf ball showing a low spin rate on driver shots and a high spin rate on approach shots. Also provided is a multi-piece golf ball comprising a center and n (n is a natural number of 3 or more) envelope layers covering the center, wherein material hardness of the envelope layers satisfies H1
Public/Granted literature
- US20150005103A1 MULTI-PIECE GOLF BALL Public/Granted day:2015-01-01
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