Method of making sealed wire rope

Details Method of making sealed wire rope Method of making sealed wire rope

1977-11-08

1980-04-15

Petrakes, John

Textiles: spinning, twisting, and twining

Apparatus and processes

Covering or wrapping

57217, 57221, 156 48, 156433, D07B 714, D07B 106, D07B 116

Patent

active

041976959

ABSTRACT:
A corrosion resistant rope in which the individual strands are sealed with a plastic foam impregnant and surrounded with a dense unfoamed plastic material is made by applying a foamable plastic to the individual wires of a series of wire strands, or, alternatively, to the individual strands as a whole, and closing the strands into a rope in a closing die while passing a nonfoamable plastic material into the closing die. Sealed plastic foam impregnated wire strands can be made in the same manner by passing nonfoamable plastic material into the stranding die during fabrication of the strand.

REFERENCES:
patent: 2518454 (1950-08-01), Elliot
patent: 3425207 (1969-02-01), Campbell
patent: 3443374 (1969-05-01), Carnevale
patent: 3601967 (1971-08-01), Wardley
patent: 3639567 (1972-02-01), Hervig
patent: 3681510 (1972-08-01), Lemieux
patent: 3681911 (1972-08-01), Humphries
patent: 3778994 (1973-12-01), Humphries
patent: 3800522 (1974-04-01), Hughes et al.
patent: 3824777 (1974-07-01), Riggs
patent: 3874158 (1975-04-01), Chiappetta et al.
patent: 3882665 (1975-05-01), Hughes et al.
patent: 4033800 (1977-07-01), Ollis

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