Uniform land length die

Details Uniform land length die Uniform land length die

1975-04-07

1976-08-10

Mehr, Milton S.

Metal deforming

Tool and/or tool holder

Tool comprising closed periphery deforming passageway

72 60, B21C 2502

Patent

active

039734285

ABSTRACT:
A die is internal for forming shapes of polygonal cross-section, which has all internal surfaces which are parallel to the die axis of equal length. The die is primarily used in hydrostatic extrusion. It can be made in two parts for ease in cleaning. A billet having a pointed, faceted nose for use with the die is also disclosed.

REFERENCES:
patent: 1836821 (1931-12-01), Singer
patent: 1924734 (1933-08-01), Brown
patent: 2894623 (1959-07-01), Walton
patent: 3178925 (1965-04-01), Nolan et al.
patent: 3303530 (1967-02-01), Cobb, Jr.
patent: 3583204 (1971-06-01), Nilsson
patent: 3618351 (1971-11-01), Thompson
patent: 3747384 (1973-07-01), Nilsson
patent: 3756054 (1973-09-01), Nilsson

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