Method for producing powder filled cable

Details Method for producing powder filled cable Method for producing powder filled cable

1975-04-01

1978-07-11

Powell, William A.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Making electrical conductors of indefinite length

156 56, H01B 1306

Patent

active

041000021

ABSTRACT:
In a method of continuously producing a multi-stranded powder filled core for an electric cable, the conductors forming the core are kept apart over a length of their travel while powder is applied to them electrostatically, after which the conductors are brought together to form the core. Preferably the conductors are oil coated prior to the application of the powder, the formed core is passed through a powder bath, and a core wrap tape is oiled and applied to the core, the tape being also powder coated on its contacting surface if applied longitudinally to the core rather than helically. For a metal sheathed cable the metal tape forming the sheath may be oiled and powder coated on the surface contacting the core wrap prior to the application of the metal tape to the core unit, to form an intervening layer of powder between the core wrap and the sheath.

REFERENCES:
patent: 1892663 (1933-01-01), Delmar
patent: 2507508 (1950-05-01), Elliott et al.
patent: 2722963 (1955-11-01), McCleery
patent: 2789926 (1957-04-01), Finholt et al.
patent: 3019126 (1962-01-01), Bartholomew
patent: 3546017 (1970-12-01), Pendelton et al.
patent: 3677809 (1972-07-01), Klement
patent: 3717716 (1973-02-01), Biskeborn et al.
patent: 3745231 (1973-07-01), Eager, Jr. et al.
patent: 3803339 (1974-04-01), Speekman

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