Extrusion die and an extrusion method using same

Details Extrusion die and an extrusion method using same Extrusion die and an extrusion method using same

1993-04-05

1994-08-16

Larson, Lowell A.

Metal deforming

By extruding through orifice

Utilizing internal forming means

72467, B21C 2502

Patent

active

053375939

ABSTRACT:
A female die 3 is composed of a plate-shaped bearing tip 31, a backup block 32 and a cylindrical holder 33 for receiving and setting in place the tip together with the block, in which the bearing tip 31 made of a hard metal and the backup block 32 also made of the hard metal are such that they can be manufactured simply and easily, and in which only the bearing tip 31 need be replaced with a new one if and when the bearing portion of the die has been abraded.

REFERENCES:
patent: 2366344 (1940-10-01), McFadden
patent: 3918288 (1975-11-01), Verduzco et al.
patent: 5152163 (1992-10-01), Hawkes et al.
Patent Abstracts of Japan, No. JP62238016 vol. 012109, Application No. JP860083092, Apr. 1988.

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