Electricity: conductors and insulators – Conduits – cables or conductors – Conductor structure
Patent
1982-03-15
1987-11-03
Buczinski, Stephen C.
Electricity: conductors and insulators
Conduits, cables or conductors
Conductor structure
29599, 174113C, 174126S, 174129R, H01B 1200
Patent
active
H00003697
ABSTRACT:
A mechanically stable, wound, multifilar, ribbon-type conductor having a cross-sectional aspect ratio which may be greater than 12:1, comprising a plurality of conductive strands wound to form a flattened helix containing a plastic strip into which the strands have been pressed so as to form a bond between the strip and the strands. The bond mechanically stabilizes the conductor under tension, preventing it from collapsing into a tubular configuration. In preferred embodiments the plastic strip may be polytetrafluoroethylene, and the conductive strands may be formed from a superconductive material. Conductors in accordance with the present invention may be manufactured by winding a plurality of conductive strands around a hollow mandrel; the cross-section of a hollow mandrel; the cross-section of the mandrel continuously varying from substantially circular to a high aspect ratio elipse while maintaining a constant circumference. The wound conductive strands are drawn from the mandrel as a multifilar helix while simultaneously a plastic strip is fed through the hollow mandrel so that it is contained within the helix as it is withdrawn from the mandrel. The helical conductor is then compressed into a ribbon-like form and the strands are bonded to the plastic strip by a combination of heat and pressure.
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Buczinski Stephen C.
Gottlieb Paul A.
Hightower Judson R.
The United States of America as represented by the Department of
Walder Jeannette M.
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