Annular diamond bodies

Details Annular diamond bodies Annular diamond bodies

1994-09-23

1996-09-03

Crane, Daniel C.

Metal deforming

Tool and/or tool holder

Tool comprising closed periphery deforming passageway

B21C 302

Patent

active

055512771

ABSTRACT:
An annular body, which may be a die for drawing wire, comprises an annular transparent CVD diamond body having an opening of uniform diameter with an interior surface in a region of smaller diamond grains and an external surface in a region of larger diamond grains.

REFERENCES:
patent: 4707384 (1987-11-01), Schachner et al.
patent: 5110579 (1992-05-01), Anthony
patent: 5130111 (1992-07-01), Pryor
patent: 5173089 (1992-12-01), Tanabe
patent: 5387447 (1995-02-01), Slutz
Emerging Technology of Diamond Thin Films/Chemical & Engineering News, Vo. 67, NI. 20, pp. 24-39, 1989.

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