Die

Details Die Die

1981-12-28

1984-09-04

Crane, Daniel C.

Metal deforming

Tool and/or tool holder

Tool comprising closed periphery deforming passageway

B21C 302

Patent

active

044689470

ABSTRACT:
A die is described, comprising a die body and a steel case, characterized in that: a die body made of a silicon nitride ceramic or a silicon carbide ceramic is shrink fitted or force fitted into a steel case wherein an optional wide recess may be cut in the inner surface of the bottom of said steel case along a corner where the bottom and the inner wall of said steel case meet.

REFERENCES:
patent: 1935821 (1933-11-01), Simons
patent: 2164750 (1939-07-01), Nadler, Jr.
patent: 2252365 (1941-08-01), Fisher
patent: 2636828 (1953-04-01), Nicholson
patent: 2882759 (1959-04-01), Altwicker
patent: 3440862 (1969-04-01), Phillips, Jr.
patent: 3680354 (1972-08-01), Phillips, Jr.
patent: 3705509 (1972-12-01), Haller
patent: 4270380 (1981-06-01), Gulati et al.

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