Golf club head and method of making the same
First Claim
1. A golf club head comprising a hollow body having a cavity and comprising a face portion having a front face defining a club face for hitting a ball and a back face facing said cavity, a plurality of rib-like walls provided on the inner surface of the hollow body facing the cavity so as to extend backward from a position adjacent to the back face of the face portion, and at least one sound bar disposed behind the face portion so as to extend along the back face at a small distance from the back face.
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Accused Products
Abstract
A golf club head comprises a hollow body having a cavity, a plurality of rib-like walls provided on the inner surface of the hollow body so as to extend backward from a position near the face portion, and a sound bar disposed behind the face portion so as to extend along the back face of the face portion. A method of making a golf club head comprises making a wax model of the hollow main body having an opening, wherein in order to prevent deformation of the wax model during making a casting mold, the wax model is provided with a brace which extends across the opening and protruding walls which are disposed on the inner surface of the wax model and extend backwards from the opening.
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Citations
9 Claims
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1. A golf club head comprising
a hollow body having a cavity and comprising a face portion having a front face defining a club face for hitting a ball and a back face facing said cavity, a plurality of rib-like walls provided on the inner surface of the hollow body facing the cavity so as to extend backward from a position adjacent to the back face of the face portion, and at least one sound bar disposed behind the face portion so as to extend along the back face at a small distance from the back face.
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9. A method of making a golf club head comprising a hollow main body provided on the front with an opening and a face plate disposed on the front of the main body, said the method comprising
making a hollow wax model of said hollow main body, wherein the wax model has an opening corresponding to said opening and the wax model comprises at least one brace and protruding walls, said at least one brace extends across the opening to prevent deformation of the wax model, and said protruding walls are disposed on the inner surface of the wax model and extend backwards from the opening, making a casting mold using the wax model, and casting a metal material into the head main body using the casting mold.
Specification