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.:
Date of Patent:
May. 19, 2015
Filed:
Feb. 19, 2013
Applicant:
Dunlop Sports Co. Ltd., Kobe-shi, Hyogo, JP;
Inventor:
Akira Kato, Kobe, JP;
Assignee:
DUNLOP SPORTS CO., LTD., Kobe, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A63B 53/04 (2006.01); B23K 26/00 (2014.01); B23K 26/36 (2014.01); B23K 26/40 (2014.01);
U.S. Cl.
CPC ...
A63B 53/04 (2013.01); B23K 26/0087 (2013.01); A63B 2053/0445 (2013.01); A63B 53/047 (2013.01); A63B 2053/0408 (2013.01); B23K 26/367 (2013.01); B23K 26/4005 (2013.01); B23K 26/4015 (2013.01); B23K 26/4065 (2013.01); B23K 26/4085 (2013.01); A63B 53/0466 (2013.01); A63B 53/0487 (2013.01);
Abstract
A golf club head of the present invention includes a face. The face has a score line groove, a fine groove, and a land area. A depth of the fine groove is 0.01 mm or greater and less than 0.03 mm. A width of the fine groove is 0.1 mm or greater and 0.3 mm or less. A pitch of the fine groove is 0.3 mm or greater and 0.7 mm or less. Preferably, the face further has a protruding part protruding beyond the land area. Preferably, the protruding part is provided on a top blade side of the fine groove. Preferably, the protruding part extends along the fine groove.