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. 16, 2022
Filed:
Aug. 06, 2021
Sumitomo Rubber Industries, Ltd., Hyogo, JP;
Takahiro Sajima, Hyogo, JP;
Toshiyuki Takubo, Hyogo, JP;
SUMITOMO RUBBER INDUSTRIES, LTD., Hyogo, JP;
Abstract
A golf ball includes a core and a cover. An n-layer (n is a natural number) partial mid layer is provided between the core and the cover. An area of the core in a region where the cover is laminated thereon is not less than 5.0% and not greater than 95.0% of a surface area of a phantom sphere. A hitting feel index Cx calculated using a thickness T(mm) of the cover laminated on the partial mid layer, a Shore D hardness Cof a kth layer (k is an integer from 1 to n) from the core side, a thickness T(mm) of the kth layer, a Shore D hardness C of the cover, and an average thickness T (mm) of the cover, is less than 66.0. An absolute value |Cx−C| is not less than 1.0 and not greater than 5.0.