Wireworking – Wire twisting
Patent
1975-07-25
1976-10-05
Larson, Lowell A.
Wireworking
Wire twisting
57 9, B65H 8108
Patent
active
039839125
ABSTRACT:
A wire preforming assembly is fixedly mounted on a circular turntable having thereon a predetermined plurality of bobbins dispersed in an array to provide a predetermined plurality of wires to the assembly equally spaced around its periphery. The assembly and the turntable are coaxially aligned with and relatively rotating about a longitudinally advancing, mandrelled hose. The wires are being directed to the hose by the preforming assembly so that the hose pulls the wires with uniform equal tension and causes them to be simultaneously wrapped thereon in side-by-side parallel helical convolutions. The wire is directed in a helical path around the surface of a preforming tube of the assembly and is bent toward the hose as it is being wound thereon. The bending imparts a characteristic to the wire which causes it to naturally retain the desired helical shape around the hose. A spacing tube is disposed within the preforming tube and around the hose to extend into the path of the wires so that each wire is received within one of a predetermined number of slots at the extended end of the spacing tube and evenly spaced thereabout to insure even spacing of the wires during winding.
REFERENCES:
patent: 2105338 (1938-01-01), Sunderland
patent: 3896860 (1975-07-01), Iannucci
Larson Lowell A.
Rockwell International Corporation
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