Diamond wire die

Details Diamond wire die Diamond wire die

1993-09-14

1994-11-15

Crane, Daniel C.

Metal deforming

Tool and/or tool holder

Tool comprising closed periphery deforming passageway

423446, B21D 302

Patent

active

053636872

ABSTRACT:
A CVD diamond wire drawing die has smaller diamond grains adjacent an initial diamond growth surface with larger diamond grains adjacent an opposing surface with an opening having a wire bearing portion of substantially circular cross-section determinative of the diameter of the wire positioned more closely adjacent to the opposing surface in a region of larger grains than to the initial growth surface.

REFERENCES:
patent: 4412980 (1983-11-01), Tsuji
patent: 4707384 (1987-11-01), Schachner
patent: 4734339 (1988-03-01), Schachner
patent: 5127983 (1992-07-01), Imai
patent: 5176803 (1993-01-01), Barbuto

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