Games using tangible projectile – Golf – Club or club support
Reexamination Certificate
2011-04-26
2011-04-26
Passaniti, Sebastiano (Department: 3711)
Games using tangible projectile
Golf
Club or club support
C473S342000, C473S345000, C473S346000, C473S349000
Reexamination Certificate
active
07931545
ABSTRACT:
A hitting face of a golf club head having improved flexural stiffness properties. In one embodiment, the hitting face is made from multiple materials. Each material has a different tensile modulus of elasticity, where the center of the hitting face has a much higher tensile modulus of elasticity than the surrounding portions of the hitting face. This creates a stiff center and a more easily deflected concentric portion. In another embodiment, the materials have different yield strengths, where the center of the hitting face has a very high yield strength compared to the surrounding portions of the hitting face. The hitting face may then plastically deform around its periphery, while the center retains its original shape.
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patent:
Nardacci Nicholas M.
Rice Scott A.
Soracco Peter L.
Acushnet Company
Mancuso Michael J.
Passaniti Sebastiano
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