Golf club head and manufacturing method for the same
First Claim
1. A golf club head having a hollow structure, which is made of a metal, comprising:
- a lower part comprising a sole part and a side part which are integrally formed, the lower part further comprising a first reinforcing piece having a first thickness and a second reinforcing piece having a second thickness greater than the first thickness,wherein the first reinforcing piece is welded on an inner surface of the sole part in a substantially halfway portion between a heel side and a toe side of the sole part and is aligned with a face side edge of the sole part, andwherein the second reinforcing piece is welded on an inner surface of the first reinforcing piece in a substantially halfway portion between a heel side and a toe side of the first reinforcing piece and is aligned with a face side edge of the first reinforcing piece; and
a face part welded to the sole part and the first and second reinforcing pieces of the lower part.
1 Assignment
0 Petitions
Accused Products
Abstract
A golf club head manufacturing method, including: welding a first reinforcing piece with first thickness to a central portion between a toe and a heel, so as to extend along an edge of a face side of a sole part, the sole part being part of a lower part formed integrally with a side part; welding a second reinforcing piece of second, larger thickness to a central portion between the toe and heel so as to extend along the edge on the face side of the first piece; welding a face part to the first and second pieces from an inner space of the lower part; welding a hosel part to the lower and face parts; welding a crown part to the lower, face and hosel parts; and welding the lower and face parts together from the outside.
28 Citations
9 Claims
-
1. A golf club head having a hollow structure, which is made of a metal, comprising:
-
a lower part comprising a sole part and a side part which are integrally formed, the lower part further comprising a first reinforcing piece having a first thickness and a second reinforcing piece having a second thickness greater than the first thickness, wherein the first reinforcing piece is welded on an inner surface of the sole part in a substantially halfway portion between a heel side and a toe side of the sole part and is aligned with a face side edge of the sole part, and wherein the second reinforcing piece is welded on an inner surface of the first reinforcing piece in a substantially halfway portion between a heel side and a toe side of the first reinforcing piece and is aligned with a face side edge of the first reinforcing piece; and a face part welded to the sole part and the first and second reinforcing pieces of the lower part. - View Dependent Claims (2, 3)
-
-
4. A method for manufacturing a golf club head having a hollow structure, which is made of a metal, comprising:
-
welding a first reinforcing piece having a first thickness on an inner surface of a sole part of a lower part in a substantially halfway portion between a heel side and a toe side of the sole part so that the first reinforcing piece is aligned with a face side edge of the sole part, the sole part being integrally formed with a side part of the golf club head into the lower part; welding a second reinforcing piece having a second thickness greater than the first thickness on an inner surface of the first reinforcing piece so that the second reinforcing piece is aligned with a face side edge of the first reinforcing piece; welding a face part to the first and second reinforcing pieces from an inner side of the lower part to attach the face part to the lower part; welding a hosel part to the lower part and the face part; welding a crown part to the lower part, the face part and the hosel part; and welding the face part to the lower part from an outer side of the golf club head.
-
-
5. A golf club head having a hollow structure, which is made of a metal, comprising:
-
a sole part comprising a first reinforcing piece, the first reinforcing piece being welded on an inner surface of the sole part in a substantially halfway portion between a heel side and a toe side of the sole part and being aligned with a face side edge of the sole part; a crown part comprising a second reinforcing piece, the second reinforcing piece being welded on an inner surface of the crown part in a substantially halfway portion between a heel side and a toe side of the crown part and is aligned with a face side edge of the crown part; and a face part welded to the sole part, the crown par, and the first and second reinforcing pieces. - View Dependent Claims (6, 7, 8)
-
-
9. A method for manufacturing a golf club head having a hollow structure, which is made of a metal, comprising:
-
welding a first reinforcing piece on an inner surface of a sole part of a lower part in a substantially halfway portion between a heel side and a toe side of the sole part so that the first reinforcing piece is aligned with a face side edge of the sole part, the sole part being integrally formed with a side part of the golf club head into the lower part; welding a second reinforcing piece on an inner surface of a crown part in a substantially halfway portion between a heel side and a toe side of the crown part so that the second reinforcing piece is aligned with a face side edge of the crown part; welding a face part to the first reinforcing piece from an inner side of the lower part to attach the face part to the lower part; welding a hosel part to the lower part and the face part; welding the crown part including the second reinforcing piece to the lower part, the face part and the hosel part; and welding the face part to the lower part from an outer side of the golf club head.
-
Specification