Process for the manufacture of electric cables

Details Process for the manufacture of electric cables Process for the manufacture of electric cables

1995-03-03

1997-10-21

Choi, Kathleen

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

1562722, 1562755, 427118, 427350, 427487, H01B 330

Patent

active

056791925

ABSTRACT:
Electric cables with sector-shaped conductors, for maximizing duct capacity, are made by a process in which the shaped metallic conductor is first preformed into a helical twisted form ("pre-spiralled"), next covered with insulation of EPR, polyethylene or other suitable insulation material to form a core, third subjected to ionizing radiation to crosslink the insulation, and fourth laid up with other like cores to form a cable. All the steps are well known yet the potential to apply radiation crosslinking to this type of cable--in which other crosslinking techniques are wholly impracticable--has not hitherto been appreciated.

REFERENCES:
patent: 3911192 (1975-10-01), Aronoff
patent: 4060659 (1977-11-01), Matsubara et al.
patent: 4109098 (1978-08-01), Olsson et al.
patent: 4332716 (1982-06-01), Shah
patent: 5327513 (1994-07-01), Nguyen et al.
Webster's II New Riverside University Dictionary, The Riverside Publishing Company, pp. 1055 & 1249.

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