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.

Date of Patent:
Mar. 01, 2022

Filed:

Nov. 08, 2019
Applicant:

Sumitomo Rubber Industries, Ltd., Hyogo, JP;

Inventor:

Yuki Motokawa, Kobe, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A63B 53/04 (2015.01); B23K 31/02 (2006.01);
U.S. Cl.
CPC ...
A63B 53/047 (2013.01); B23K 31/02 (2013.01); A63B 53/0433 (2020.08); A63B 2053/0491 (2013.01);
Abstract

A golf club headhas a first wall portion comprising a first member made of first material, a second member made of second material, and a third member made of material. The third material's specific gravity is different from the first material's specific gravity and second material's specific gravity. The weldability between the first material and second material is superior to the weldability between the first material and third material. The first member is fixed to the second member by welding. The third member is fixed to the first member by using the second member. The third member comprises a portion continuous from a first surface to an opposite second surface of the first wall portion in the thickness direction of the first wall portion.


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