Device to form helical corrugations in cable sheath

Details Device to form helical corrugations in cable sheath Device to form helical corrugations in cable sheath

H - Electricity

01

B

26/129

H01B 13/22 (2006.01) H01B 13/00 (2006.01) H01B 13/32 (2006.01)

Patent

CA 1037241

ABSTRACT A tool is disclosed which effects the longitudinal sealing of multi- core, plastic insulated electric cables against the axial spreading of moisture. The device seals by impressing helical grooves into a thin metallic layer within the so-called stratified sheathing of the cable thereby compress- ing a moisture resistant stuffing material within the cable core and hence forming a moisture barrier. To form these grooves, a rotary tool is used which comprises in a holder either one or a plurality of pin-like members which tangentially abut the thin metallic layer.

203675

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