Golf club head and a process for producing the same

Details Golf club head and a process for producing the same Golf club head and a process for producing the same

1992-03-19

1994-06-21

Bradley, Paula A.

Metal fusion bonding

Process

With shaping

2281733, 2281736, 72348, 72709, B23K 3102

Patent

active

053222067

ABSTRACT:
A method for producing a golf club head made of joined component pieces in which a mold black is split into separate first molds. Each of the first molds have a cavity patterned after one of the joined component pieces. In one embodiment, superplastic alloy plates are positioned within the first molds. The alloy plates are heated and pressurized fluid is simultaneously introduced into the cavities of the first mold for superplastic deformation of the plates. The alloy plates are then positioned within second molds and pressed to form the component pieces. The formed component pieces have shaped piece sections having small radii of curvature. The component pieces are joined to form the golf head. In another embodiment, one of the alloy plates is pressed by the second molds prior to being inserted within the first molds. The pressed alloy plate corresponds to one of the component pieces and has piece sections having a small radius of curvature. The other alloy plate, which has not been pressed by the second molds, is also positioned within the first molds. The other alloy plate has piece sections with a large radius of curvature. The alloy plates are subject to superplastic deformation as described in the first embodiment.

REFERENCES:
patent: 2754785 (1956-07-01), Zatko
patent: 3066631 (1962-12-01), Geary
patent: 4876876 (1989-10-01), Ishida et al.
patent: 4901552 (1990-02-01), Ginty

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