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:
Aug. 23, 2005
Filed:
Jan. 23, 2004
Masanori Yabu, Kobe, JP;
Masanori Yabu, Kobe, JP;
SRI Sports Limited, Kobe, JP;
Abstract
A head () comprises a body (), a face (), a neck () and a crown (). The crown () includes an outer plate () and an inner plate (). The outer plate () and the inner plate () are opposed to each other with a gap provided therebetween. The outer plate () and the inner plate () are formed of a titanium alloy. The inner plate () has a projection (). The upper end of the projection () abuts on the lower surface of the outer plate (). The projection () and the outer plate () are bonded to each other by a spot welding method. The outer plate () and the inner plate () have thicknesses of 0.1 mm to 0.6 mm, respectively. The head () has a volume of 300 cmor more. A portion between the outer plate () and the inner plate () maybe filled with a synthetic resin.