Golf club head with narrow-spaced grooves

Abstract

An iron-type golf club head with a body having a face. On the face is a plurality of grooves. The plurality of grooves has a depth of at least 0.016 inch to 0.022 inch and a width ranging from 0.021 inch to 0.027 inch. Further, each of the plurality of grooves has an edge radius ranging from 0.004 inch to 0.009 inch. Each of the plurality of grooves has a side wall angle ranging from 16 degrees to 24 degrees and each of the plurality of grooves is spaced from 0.073 inch to 0.083 inch from any other of the plurality of grooves.

1 . An iron-type golf club head comprising:
 a body having a face; and   a plurality of grooves located on the face, wherein each groove of the plurality of grooves has a depth ranging from 0.016 inch to 0.022 inch, a width ranging from 0.021 inch to 0.027 inch, a groove edge radius ranging from 0.004 inch to 0.009 inch, a groove side wall angle ranging from 16 degrees to 24 degrees, and each groove of the plurality of grooves is spaced from 0.073 inch to 0.083 inch from any other groove of the plurality of grooves.   
     
     
         2 . The iron-type golf club head according to  claim 1  wherein the body is composed of stainless steel, titanium alloy, carpenter steel, or any combination thereof. 
     
     
         3 . An iron-type golf club head comprising:
 a body having a face; and   a first plurality of grooves located on the face, wherein each groove of the first plurality of grooves has a depth ranging from 0.016 inch to 0.022 inch, a width ranging from 0.021 inch to 0.027 inch, a groove edge radius ranging from 0.004 inch to 0.009 inch, a groove side wall angle ranging from 16 degrees to 24 degrees, and each groove of the first plurality of grooves is spaced from 0.073 inch to 0.083 inch from any other groove of the first plurality of grooves; and   a second plurality of grooves, each of the second plurality of grooves has a depth of less than 0.001 inch and each of the second plurality of grooves is spaced no more than 0.002 inch from an adjacent second plurality of grooves.   
     
     
         4 . The iron-type golf club head according to  claim 3  wherein the body is composed of stainless steel, titanium alloy, carpenter steel, or any combination thereof. 
     
     
         5 . The iron-type golf club head according to  claim 3  wherein each of the second plurality of grooves has a V-like cross-sectional shape. 
     
     
         6 . The iron-type golf club head according to  claim 3  wherein each of the second plurality of grooves has a square cross-sectional shape. 
     
     
         7 . The iron-type golf club head according to  claim 3  wherein each of the second plurality of grooves has a U-like cross-sectional shape. 
     
     
         8 . An iron-type golf club head comprising:
 a body having a face; and   a first plurality of grooves located on the face, wherein each groove of the first plurality of grooves has a depth ranging from 0.016 inch to 0.022 inch, a width ranging from 0.021 inch to 0.027 inch, a groove edge radius ranging from 0.004 inch to 0.009 inch, a groove side wall angle ranging from 16 degrees to 24 degrees, and each groove of the first plurality of grooves is spaced from 0.073 inch to 0.083 inch from any other groove of the first plurality of grooves; and   a plurality of second set of grooves, each of the plurality of second set of grooves having five microgrooves with a depth of less than 0.001 inch and spaced no more than 0.002 inch from an adjacent microgroove, wherein each second set of grooves of the plurality of second set of grooves is positioned between each of the first plurality of grooves.   
     
     
         9 . The iron-type golf club head according to  claim 8  wherein the body is composed of stainless steel, titanium alloy, carpenter steel, or any combination thereof. 
     
     
         10 . The iron-type golf club head according to  claim 8  wherein each microgroove has a U-like cross-sectional shape.