Device for securing the dummy block on the press stem of metal-e

Details Device for securing the dummy block on the press stem of metal-e Device for securing the dummy block on the press stem of metal-e

1979-05-16

1981-09-01

Larson, Lowell A.

Metal deforming

By extruding through orifice

Indirect extrusion

B21C 2500

Patent

active

042864534

ABSTRACT:
The press stem of an extrusion press has a bolt or peg received in a central bore. The bolt locates in a recess in a dummy block, to hold the dummy block to the end of the stem. If the dummy block and stem are not correctly aligned, the bolt can be pushed back into the bore against the resistance of spring. The spring pushes the bolt out again either when the dummy block0ks removed, or when it is correctly aligned.

REFERENCES:
patent: 3282074 (1966-11-01), Gardner
patent: 3282075 (1966-11-01), Zhookoff
patent: 3369384 (1968-02-01), Beneke et al.

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