Centering plug for pipe press

Details Centering plug for pipe press Centering plug for pipe press

1996-10-01

1999-03-09

Hail, III, Joseph J.

Metal deforming

By extruding through orifice

Utilizing internal forming means

72368, B21C 2320

Patent

active

058786163

ABSTRACT:
This invention relates to a method of extruding pipes on horizontal presses, and in particular relates to a method of extruding pipes wherein a removable centering plug is provided to prevent displacement of the central guide rod during the initial stages of pipe extrusion. The centering plug is adapted to fit around the guide rod and within the extrusion orifice. The centering plug is concentrically fitted within the extrusion orifice and is capable of being extruded through the extrusion orifice.

REFERENCES:
patent: 3172536 (1965-03-01), Cairns
patent: 3745803 (1973-07-01), Livelsberger
patent: 4522052 (1985-06-01), Doudet
patent: 5338322 (1995-02-01), Simon
patent: 5666846 (1997-09-01), Chen et al.

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