Apparatus (Figure 3) for continuous extrusion of an aluminium sheathing 56 free from imperfections or discontinuities on to a core cable 58, such as an insulated copper cable, includes a rotatable wheel 2 formed with a pair of circumferential grooves 4, arcuate tooling 55 bounding radially outer portions of the resp...

An extrusion mandrel assembly (Fig.2) for continuous extrusion apparatus has a lobed, mushroom shaped, dolly (28) formed with a central spacing stem (30) located in the chamber (16) adjacent a pair of discharge ports (27) connecting respective exit apertures (10) into an internal cavity in the chamber (16) and a pai...

Continuous extrusion apparatus for the production of copper tubing having a rotatable wheel formed with a plurality of circumferential grooves registering with (as shown in the figure) abutments (4) formed on a die top (2). Respective exit apertures (6) each have a cross-sectional area of between two and five times ...

A extrudate product in the form of a continuous, seamiess, copper tube having a mass in excess of 500 kilograms

A die heater body assembly (11) for continuous extrusion apparatus substantially similar to the apparatus described in EP-A-0071 490 includes a die block (15) of non-magnetic material for the extrusion of copper tube and a bucket portion (17) forming a sliding fit in a die heater body (19). The die heater body (19)...

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A tooling assembly for a continuous extrusion apparatus includes (Fig 2) a die top 22 positioned in a shoe 8 arranged to be urged into contact with a rotating wheel 2 having a circumferential groove 26. An abutment body 24 is positioned as a sliding fit in a recess 30 provided in the die top 22 and is formed with a ...

Wire (62), the surface of which is to be contacted by treatment liquid such as for cleaning purposes, is passed (Figure l) through successive treatment zones (2, 12) and an interposed intermediate zone or interposed intermediate zones. A vibratory motion is induced in the wire (62) in the intermediate zone or zones ...

Continous extrusion means including a feed means arranged to supply feedback generally of substantaially circular cross-section to a circumferentially extending groove in a wheel,charterised in that machining means are poistioned to receive feedstock to the circumferentially extending groove,with the machining mea...

Apparatus (2) for continuous extrusion of an aluminium sheathing (22) on to a core cable (8) includes a rotatable wheel formed with two identical circumferential grooves outwardly bounded by arcuate tooling discharging through radial exit apertures to an extrusion chamber positioned around a portal mandrel. A powere...

This invention concerns continuous extrusion apparatus for the production of copper tubing having a rotatable wheel formed with a plurality of circumferential grooves provided with exit apertures (6) in a die top (2) and abutments (4) displaced in the direction of rotation from the exit apertures (6), charac...