Textiles: spinning – twisting – and twining – Apparatus and processes – Covering or wrapping
Patent
1991-02-07
1993-08-31
Stodola, Daniel P.
Textiles: spinning, twisting, and twining
Apparatus and processes
Covering or wrapping
57 665, 57295, 57296, 57297, 156 51, 15624412, 254417, 425122, D02G 336, N01B 1322
Patent
active
052398137
ABSTRACT:
A cable made up of a plurality of conductors twisted together is drawn through the extrusion head of an extruder which applies a sheath of plastic or elastomeric material to the cable. From the extruder, the cable passes through a tube having a heated section in which the sheath material is cured followed by a cooling section. The sheathed cable is rotated about its axis to twist the cable. Guide wheels over which the cable passes have on their circumferences a multiplicity of pairs of rollers which are engaged by the cable and have their axes tangential to the circumference of the wheel so as to support the cable while permitting rotation of the cable about its axis. In one embodiment, a device for drawing the cable from the extruder, while twisting it, has a pair of endless belts which grip the cable between them and a motor for driving the belts. The belts and driving motor are mounted in a motor driven rotatable cage which rotates about the axis of the cable. A device, ahead of the extruder, for braking the cable has a pair of endless belts which grip the cable between them, a brake for the belts and a motor driven rotatable cage in which the endless belts and brake are mounted.
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Burns Robert E.
Lobato Emmanuel J.
Paul Troester Maschinenfabric
Stodola Daniel P.
Stryjewski William
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