GOLF CLUB HEAD
First Claim
1. A golf club head having a plurality of grooves formed on a face thereof, whereinedges of said groove are rounded with a radius of not more than 0.2 mm, anda width W (mm) of said groove measured with said rounded edge being included, a width Ws (mm) between said grooves adjacent to one another, a width Wr (mm) of said groove measured based on the 30 degrees measurement rule and a cross section area S (mm2) of said groove satisfy the following expressions:
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W/Ws×
100≧
35(%)
S/(Ws×
0.5)×
100≧
70(%).
1 Assignment
0 Petitions
Accused Products
Abstract
This invention provides a golf club head having a plurality of grooves formed in a face thereof. Edges of the groove are rounded with a radius of not more than 0.2 mm. A width W (mm) of the groove measured with the rounded edge being included, a width Ws (mm) between the grooves adjacent to one another, a width Wr (mm) of the groove measured based on the 30 degrees measurement rule and a cross section area S (mm2) of the groove satisfy the following expressions; W/Ws×100≧35(%), S/(Ws×0.5)×100≅70(%).
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Citations
2 Claims
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1. A golf club head having a plurality of grooves formed on a face thereof, wherein
edges of said groove are rounded with a radius of not more than 0.2 mm, and a width W (mm) of said groove measured with said rounded edge being included, a width Ws (mm) between said grooves adjacent to one another, a width Wr (mm) of said groove measured based on the 30 degrees measurement rule and a cross section area S (mm2) of said groove satisfy the following expressions: -
W/Ws×
100≧
35(%)
S/(Ws×
0.5)×
100≧
70(%). - View Dependent Claims (2)
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Specification