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:
Apr. 02, 1991
Filed:
Apr. 25, 1990
Takeshi Iwanaga, Kobe, JP;
Akio Ohnishi, Kakogawa, JP;
Sumitomo Rubber Industries, Ltd., Kobe, JP;
Abstract
The present invention provides an iron golf club head which comprises a core member, a striking face member and a cladding. The core member is made of a metal having a large specific weight, and has an exposed integral sole portion, an integral riser wall portion, and an integral shaft connecting portion. The striking face member is fixed to a front surface of the core riser wall portion, and made of a light metal reinforced by whiskers and/or fibers. The cladding is also made of a light metal, and covers all surfaces of the riser wall portion and the shaft connecting portion except for a surface portion of the riser wall portion on which the striking face member is fixed.