Golf club head and manufacturing method thereof
AssigneeBridgestone Sports Co., Ltd.
InventorWataru Ban
Life of this patent
Estimating the term…
Abstract
A golf club head includes a face portion, a plurality of score lines formed in the face portion and extending in a toe-heel direction, a plurality of convex portions formed in the face portion and extending in the toe-heel direction between the score lines adjacent to each other in a vertical direction of the face portion, and at least one concave portion formed in the face portion and extending in the toe-heel direction between the convex portions adjacent to each other in the vertical direction. A flat surface is formed between the concave portion and the convex portion adjacent to the concave portion.
Claims2
A golf club head that includes a face portion, comprising:
- a plurality of score lines formed in the face portion and extending in a toe-heel direction;
- a plurality of convex portions formed in the face portion and extending in the toe-heel direction between the score lines adjacent to each other in a vertical direction of the face portion;
- and
- at least one concave portion formed in the face portion and extending in the toe-heel direction between the convex portions adjacent to each other in the vertical direction,
- wherein a flat surface is formed on each side with respect to the concave portion in the vertical direction to separate the concave portion from the convex portions,
- a width of the flat surface in the vertical direction is 50 μm to 200 μm, and
- two concave portions, as the at least one concave portion, are formed between the convex portions adjacent to each other in the vertical direction.
Dependencies are inferred from the claim text.