Invention Grant
- Patent Title: Golf club head
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Application No.: US16547367Application Date: 2019-08-21
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Publication No.: US10850171B2Publication Date: 2020-12-01
- Inventor: Yuki Motokawa , Seiji Hayase
- Applicant: Sumitomo Rubber Industries, Ltd.
- Applicant Address: JP Hyogo
- Assignee: SUMITOMO RUBBER INDUSTRIES, LTD.
- Current Assignee: SUMITOMO RUBBER INDUSTRIES, LTD.
- Current Assignee Address: JP Hyogo
- Agency: Studebaker & Brackett PC
- Priority: JP2018-173211 20180918
- Main IPC: A63B53/04
- IPC: A63B53/04 ; B29C70/34 ; B29C65/48 ; B29C65/00 ; B29K305/08 ; B29K63/00 ; B29K307/04 ; B29L31/52

Abstract:
A golf club head includes a striking face, a crown and a sole. The crown and/or the sole includes an FRP member formed by a fiber reinforced plastic that contains a fiber and a matrix resin. The FRP member has an average flexural modulus of greater than or equal to 25 GPa. The fiber may contain a carbon fiber. The carbon fiber may have a tensile elastic modulus of greater than or equal to 300 GPa. The fiber may contain a metallic fiber. The FRP member may have a resin content of less than or equal to 40% by weight. The matrix resin may have a glass transition temperature of higher than or equal to 150° C.
Public/Granted literature
- US20200086184A1 GOLF CLUB HEAD Public/Granted day:2020-03-19
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