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. 23, 1995
Filed:
Jul. 14, 1994
Takaharu Okumoto, Chigasaki, JP;
Masahiro Kato, Zama, JP;
The Yokohama Rubber Co., Ltd., Tokyo, JP;
Abstract
A metal mold for producing a wood type golf club head, including an upper metal mold member having a molding recess including a surface for molding an upper end portion of a shaft bore in a club head, a lower metal mold member having a molding recess including a surface for molding a sole of the club head, a shaft bore molding upper pin fitted firmly in the portion of the surface of the upper metal mold member which corresponds to an upper end portion of the shaft bore, so as to project to the inner side of the metal mold, and a shaft bore-molding lower pin fitted firmly in the lower metal mold member so as to project to the inner side of the metal mold, the upper and lower pins being arranged coaxially in an opposed state via a narrow clearance, the direction in which the upper and lower pins are arranged crossing perpendicularly the direction in which the joint surfaces of the upper and lower metal mold members extend.