Golf club head with ceramic face plate
First Claim
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1. A golf club head comprising:
- a. a striking face adapted to strike a golf ball, said striking face defining a recessed mating groove;
b. a face plate having a thickness of from about 10 to 20 mm and consisting essentially of a ceramic comprising alumina as the major component, said face plate further characterized as having an irregular exterior surface formed of fine aggregate of said ceramic, said face plate fitted into said mating groove such that said exterior surface of said face plate is flush with said striking face; and
c. an elastic sheet member disposed in said mating groove so as to be sandwiched between said face plate and said golf club head.
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Abstract
This invention relates to a golf club head capable of increasing the flying distance of the ball hit in a substantial degree, imparting a refreshing feeling of ball hitting to the player and being manufactured at low cost and durable for long time use by fixing the striking face of the club head with a ceramic face plate made of a sintered body of metallic oxides such as alumina ceramics, mullite ceramics, etc.
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Citations
10 Claims
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1. A golf club head comprising:
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a. a striking face adapted to strike a golf ball, said striking face defining a recessed mating groove; b. a face plate having a thickness of from about 10 to 20 mm and consisting essentially of a ceramic comprising alumina as the major component, said face plate further characterized as having an irregular exterior surface formed of fine aggregate of said ceramic, said face plate fitted into said mating groove such that said exterior surface of said face plate is flush with said striking face; and c. an elastic sheet member disposed in said mating groove so as to be sandwiched between said face plate and said golf club head. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A golf club head comprising:
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a. a striking face disposed on said golf club head adapted to strike a golf ball, said striking face defining a recessed mating groove; b. a face plate having a thickness of from about 10 to 20mm and having an irregular exterior surface and consisting essentially of a ceramic material comprising alumina as the major component with said irregular surface formed of aggregate of said ceramic material having a particle size in the range of 5 to 10 microns, said face plate fitted into said mating groove such that said exterior surface of said face plate is flush with said striking face; and c. an elastic sheet member disposed in said mating groove so as to be sandwiched between said face plate and said golf club head whereby a golf club head having resistance to shock and good tonal qualities is produced. - View Dependent Claims (8, 9, 10)
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Specification