A golf club head includes a heel portion, a toe portion, a hosel, and a striking face. The striking face includes a plurality of scorelines each having an average depth no less than about 0.10 mm, a plurality of micro-grooves each having an average depth no greater than about 0.010 mm, and a plurali
A golf club head includes a heel portion, a toe portion, a hosel, and a striking face. The striking face includes a plurality of scorelines each having an average depth no less than about 0.10 mm, a plurality of micro-grooves each having an average depth no greater than about 0.010 mm, and a plurality of textured surface treatment regions superimposed on the micro-grooves so as to at least partially intersect the micro-grooves.
대표청구항▼
1. A golf club head comprising: a heel portion;a toe portion;a hosel; anda striking face including a plurality of scorelines each having an average depth no less than about 0.10 mm, a plurality of micro-grooves each having an average depth no greater than about 0.025 mm (1000 μin), and forming, in i
1. A golf club head comprising: a heel portion;a toe portion;a hosel; anda striking face including a plurality of scorelines each having an average depth no less than about 0.10 mm, a plurality of micro-grooves each having an average depth no greater than about 0.025 mm (1000 μin), and forming, in its entirety, a continuously curved path of substantially constant radius, and a plurality of textured surface treatment regions at least partially intersecting the micro-grooves. 2. The golf club head of claim 1, wherein the plurality of textured surface treatment regions comprises heat-treated regions. 3. The golf club head of claim 1, wherein the plurality of textured surface treatment regions comprises laser-etched regions. 4. The golf club head of claim 1, wherein the micro-grooves are generally parallel to each other. 5. The golf club head of claim 1, wherein each of the plurality of textured surface treatment regions extends along a generally linear path. 6. The golf club head of claim 1, wherein the striking face further comprises an uppermost point when the club head is oriented in a reference position and the plurality of micro-grooves at least partially extends further toe-ward than the uppermost point. 7. The golf club head of claim 1, wherein the striking face has a surface roughness Ra between about 0.0030 mm (120 μin) and about 0.0047 mm (185 μin). 8. The golf club head of claim 1, wherein the textured surface treatment regions are irregular in cross-section. 9. The golf club head of claim 1, wherein the club head has a loft angle of at least 35°. 10. A golf club head comprising: a heel portion;a toe portion;a hosel; anda striking face including: a plurality of scorelines each having an average depth no less than about 0.10 mm;a first plurality of textured regions each having an average depth no greater than about 0.03 mm and forming, in its entirety, a continuously curved path of substantially constant radius; anda second plurality of textured regions that differ in texture from the first plurality of textured regions, wherein the second plurality of textured regions each have an average depth no greater than about 0.03 mm and at least partially intersects with the first plurality of textured regions. 11. The golf club head of claim 10, wherein the second plurality of textured regions comprises heat-treated regions. 12. The golf club head of claim 10, wherein the second plurality of textured regions comprises laser-etched regions. 13. The golf club head of claim 10, wherein the textured regions in the first plurality of textured regions extend generally parallel to each other. 14. The golf club head of claim 10, wherein each of the second plurality of textured regions extends along a generally linear path. 15. The golf club head of claim 10, wherein the striking face further comprises an uppermost point when the club head is oriented in a reference position and the first plurality of textured regions at least partially extends further toe-ward than the uppermost point. 16. The golf club head of claim 10, wherein the striking face has a surface roughness Ra within a range of about 0.0030 mm (120 μin) and about 0.0047 mm (185 μin). 17. The golf club head of claim 10, wherein the textured regions of the second plurality of textured regions are irregular in cross-section. 18. The golf club head of claim 10, wherein the club head has a loft angle of at least 35°.
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이 특허에 인용된 특허 (29)
Hettinger Ronald K. ; Morris Thomas C. ; Pond Brian R., Configured face insert for golf club head.
Lyon Herbert W. (Escondido CA) Abrain Edmond S. (Warren RI) Jepson John W. (Marion MA) Rambo Charles D. (Escondido CA) Santy Arthur F. (Escondido CA), Golf club head.
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