Golf club head and method for manufacturing same
AssigneeBridgestone Sports Co., Ltd.
InventorTomonori Kitagawa
Life of this patent
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Abstract
A golf club head includes a first groove formed in a face portion of the head, and a second groove formed in the face portion and intersecting the first groove. A first protrusion is formed along an edge of the first groove. A second protrusion is formed along an edge of the second groove. A third protrusion is formed at an edge of an intersection between the first groove and the second groove, the third protrusion being higher than the first protrusion and the second protrusion.
Claims9
A golf club head including a face portion, comprising:
- a first groove formed in the face portion;
- and
- a second groove formed in the face portion and intersecting the first groove, wherein
- a first protrusion is formed along an edge of the first groove,
- a second protrusion is formed along an edge of the second groove, and
- a third protrusion is formed at an edge of an intersection between the first groove and the second groove, the third protrusion being higher than the first protrusion and the second protrusion.
A method for manufacturing a golf club head including a face portion, the method comprising:
- a first laser processing step of forming, by laser processing, a first groove in a member forming the face portion;
- and
- a second laser processing step of forming, by laser processing, a second groove in the member forming the face portion, the second groove intersecting the first groove, wherein
- a first protrusion along an edge of the first groove is formed by the first laser processing step,
- a second protrusion along an edge of the second groove and a third protrusion at an edge of an intersection between the first groove and the second groove are formed by the second laser processing step, and
- the third protrusion is higher than the first protrusion and the second protrusion.
Dependencies are inferred from the claim text.