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, 2000
Filed:
Jun. 22, 1999
Takumi Nishino, Akashi, JP;
Sumitomo Rubber Industries, Ltd., Hyogo, JP;
Abstract
A golf ball formed with half metal molds having stable flying ability without dispersion, regardless of hitting point on surface of the ball. A parting line is latitude 0.degree., two pole portions are latitude 90.degree., an area of which latitude is 0.degree. to 17.degree. is a parting line vicinity, an area of which latitude is more than 17.degree. and less than 62.degree. is a shoulder portion, an area of which latitude is 62.degree. to 90 .degree. is a pole vicinity. And, when X represents total volume of dimples which belong to the parting line vicinity, Y represents total volume of dimples which belong to the pole vicinity, and Z represents total volume of dimples which belong to the shoulder portion, X/Z is set to be 0.58 to 0.72, Y/Z is set to be 0.22 to 0.30, and Y/X is set to be 0.35 to 0.48.