Continuous extrusion of metals

Details Continuous extrusion of metals Continuous extrusion of metals

1979-07-30

1981-08-18

Larson, Lowell A.

Metal deforming

With cleaning, descaling, or lubrication of work or product

Lubricating

72 60, 72262, 72270, B21C 2332

Patent

active

042839319

ABSTRACT:
An extrusion machine is disclosed wherein wax or other suitable lubricant is applied to the side of the feedstock contacting the shoe of the extruder. A stick of wax may be supported in a cylinder having an open end facing the feedstock; the stick is a loose sliding fit in the cylinder and compressed gas introduced into the cylinder applies a substantially constant biassing force urging the stick into engagement with the feedstock and at the same time, by leaking between the stick of lubricant and the cylinder, cools the stick of lubricant to inhibit melting.

REFERENCES:
patent: Re28795 (1976-05-01), Fuchs
patent: 3740985 (1973-06-01), Fuchs
patent: 3765216 (1973-10-01), Green
patent: 3922898 (1975-12-01), Voorhes
patent: 4027514 (1977-06-01), Moreau
patent: 4041745 (1977-08-01), Moreau
The Reactor Group Report 2530 (S), United Kingdom Atomic Energy Authority, Apr. 1974, "Conform-a New Concept for Continuous Extrusion Forming of Metals", TRG Headquarters, Risley, Warrington, WA3 6AT.
The Reactor Group Report 2945 (S), United Kingdom Atomic Energy Authority, Apr. 1977, "The UKAEA `Conform` Method of Continuous Extrusion Forming", TRG Headquarters, Risley, Warrington, WA3 6AT.

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