Production of cables with undulated tension relief elements

Details Production of cables with undulated tension relief elements Production of cables with undulated tension relief elements

1978-01-06

1979-04-24

Woo, Jay H.

Plastic and nonmetallic article shaping or treating: processes

With measuring, testing, or inspecting

Controlling rate of movement of molding material or its...

174113R, 174121SR, 174122G, 174124GC, 264174, B29F 310, H01B 718

Patent

active

041512375

ABSTRACT:
In the production of electric cable in an extruder head having undulated tension relief elements embedded in the jacket, the jacketing material and tension relief elements are introduced at a velocity greater than the cable core, with such velocity being subsequently decreased to provide a compressive force which forms the undulations.

REFERENCES:
patent: 2374744 (1945-05-01), Gregory
patent: 3249666 (1966-05-01), French
patent: 3388545 (1968-06-01), Cannon et al.
patent: 3575834 (1971-04-01), Hoole et al.
patent: 3879518 (1975-04-01), Ney et al.
patent: 3928519 (1975-12-01), Kashiyama et al.
patent: 3983313 (1976-09-01), Ney et al.
patent: 3987612 (1976-10-01), Bobkowicz

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