Metal deforming – Tool and/or tool holder – Tool comprising closed periphery deforming passageway
Patent
1993-08-26
1996-11-05
Crane, Daniel C.
Metal deforming
Tool and/or tool holder
Tool comprising closed periphery deforming passageway
B21C 302
Patent
active
055712363
ABSTRACT:
A wire drawing die comprises first and second polycrystalline diamond layers made of gaseous phase synthesized diamond. The finest diamond particles of the diamond layers are made into the wire contact portion of the die.
REFERENCES:
patent: 4260397 (1981-04-01), Bovenkerk
patent: 4333986 (1982-06-01), Tsuji
patent: 4468947 (1984-09-01), Takeda
patent: 5387447 (1995-02-01), Slutz
Fujimori Noaji
Ikegaya Akihiko
Takahashi Toshiya
Tanabe Keiichiro
Crane Daniel C.
Sumitomo Electric Industries Ltd.
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