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The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 10850171 B1

PDFFull Text
Date of Patent:
Dec. 01, 2020

Filed:

Aug. 21, 2019

Golf club head

Applicant:

Sumitomo Rubber Industries, Ltd., Hyogo, JP;

Inventors:

Yuki Motokawa, Kobe, JP;

Seiji Hayase, Kobe, JP;

Assignee:

SUMITOMO RUBBER INDUSTRIES, LTD., Hyogo, JP;

Attorney:

Studebaker & Brackett PC

Primary Examiner:

Benjamin Layno

Int. Cl.
CPC ...
A63B 53/04 (2015.01); B29C 70/34 (2006.01); B29C 65/48 (2006.01); B29C 65/00 (2006.01); B29K 305/08 (2006.01); B29K 63/00 (2006.01); B29K 307/04 (2006.01); B29L 31/52 (2006.01);
U.S. Cl.
CPC ...
A63B 53/0466 (2013.01); B29C 65/48 (2013.01); B29C 66/721 (2013.01); B29C 70/34 (2013.01); A63B 53/04 (2013.01); A63B 2053/0408 (2013.01); A63B 2053/0412 (2013.01); A63B 2053/0433 (2013.01); A63B 2053/0437 (2013.01); A63B 2209/02 (2013.01); A63B 2209/023 (2013.01); B29K 2063/00 (2013.01); B29K 2305/08 (2013.01); B29K 2307/04 (2013.01); B29L 2031/5227 (2013.01);
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.

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