Golf club head and method of making the same
First Claim
1. A method of making a golf club head comprisinga hollow main body provided on the front with an opening anda face plate disposed on the front of the main body, said method comprisingmaking a hollow wax model of said hollow main body,whereinthe wax model has an opening corresponding to said opening andthe wax model comprises a brace extending across the opening to prevent deformation of the wax model, andmaking a casting mold using the wax model,casting a metal material into the head main body using the casting mold, andcutting said brace to form a sound bar having a free end and an end fixed to the head main body.
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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
7 Claims
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1. 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 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 a brace extending across the opening to prevent deformation of the wax model, and making a casting mold using the wax model, casting a metal material into the head main body using the casting mold, and cutting said brace to form a sound bar having a free end and an end fixed to the head main body.
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2. 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 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 a brace extending across the opening to prevent deformation of the wax model, and making a casting mold using the wax model, casting a metal material into the head main body using the casting mold, and removing said brace from the cast head main body.
Specification