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:
Sep. 16, 1986
Filed:
May. 28, 1985
Applicant:
Inventors:
Toshihiko Kamata, Kagawa, JP;
Shunji Izumi, Okayama, JP;
Kazuo Irimajiri, Kochi, JP;
Setsuji Edagawa, Kochi, JP;
Assignees:
Toyo Denka Kogyo Co., Ltd., Kochi, JP;
Kamatari Co., Ltd., Kagawa, JP;
Primary Examiner:
Int. Cl.
CPC ...
A63B / ;
U.S. Cl.
CPC ...
273218 ; 273D / ;
Abstract
A golf ball having compression strength greater than 7000 kg-f and rebound height greater than 90/120, said golf ball comprising a rubber composition filled with 10 to 40 parts by weight of calcium carbonate based on 100 parts by weight of the rubber, the calcium carbonate having a BET specific surface area of 60 to 300 m.sup.2 /g and a particle diameter of 0.035 to 0.010 micrometers.