Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
Golf ball
Document Type and Number:
Japanese Patent JP6304631
Kind Code:
B2
Abstract:
L1 represents a ratio of a lift coefficient relative to a drag coefficient, the lift coefficient and the drag coefficient being measured under conditions of a Reynolds number of 1.290×105 and a spin rate of 2820 rpm. L2 represents a ratio of a lift coefficient relative to a drag coefficient, the lift coefficient and the drag coefficient being measured under conditions of a Reynolds number of 1.771×105 and a spin rate of 2940 rpm.

Inventors:
Kohei Mimura
Takahiro Sajima
Application Number:
JP2014133826A
Publication Date:
April 04, 2018
Filing Date:
June 30, 2014
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
Sumitomo Rubber Industries, Ltd.
International Classes:
A63B37/00
Domestic Patent References:
JP200775600A
JP2006142012A
JP2004290614A
JP2003290390A
Foreign References:
US5846141
Attorney, Agent or Firm:
Patent business corporation Yuko patent office
Kengo Oka
Sumitomo Norio
Kuroyoshi Murohashi
Hiroshi Kasakawa
Kei Someya
Yukari Imamura
Hiroomi Nakao



 
Previous Patent: Golf ball

Next Patent: A reduction process of silica