Metal fusion bonding – Process – With shaping
Patent
1978-09-05
1981-02-24
Crane, Daniel C.
Metal fusion bonding
Process
With shaping
273167J, 273173, A63B 5304
Patent
active
042522625
ABSTRACT:
A method for the manufacture of golf clubs of the iron or wood types having the characteristic of improved driving power. This characteristic of greater driving power results from the manufacture of the golf clubs with a flexible striking face. The flexible striking face is designed to vibrate in simple harmonic motion of the same frequency as the struck golf ball. The flexible striking face design is such that the frequency of vibration of the striking face is constant across its face and the amplitude of vibration is constant across its face and, as a consequence thereof, the restoring force of the resilient face combines with the restoring force of the struck golf ball to impart a greater distance to the drive. The method of manufacture comprises casting a head having a neck and body dependent thereon and providing the body with an open cavity behind its face that extends from one edge thereof across a substantial portion of the face. The striking face plate may be integrally formed with the body of the club at the time of casting or it may be secured thereto by fusing the periphery of the face plate to the body of the club.
REFERENCES:
patent: D137814 (1944-05-01), Newsome
patent: 1289553 (1918-12-01), Sanders
patent: 1562956 (1925-11-01), Guerne
patent: 1567248 (1925-12-01), Dahlman
patent: 4027885 (1977-06-01), Rogers
Crane Daniel C.
Horwitz Harold C.
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