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GB1448607A - Electric cable for pipes - Google Patents

Electric cable for pipes

Info

Publication number
GB1448607A
GB1448607A GB4314974A GB4314974A GB1448607A GB 1448607 A GB1448607 A GB 1448607A GB 4314974 A GB4314974 A GB 4314974A GB 4314974 A GB4314974 A GB 4314974A GB 1448607 A GB1448607 A GB 1448607A
Authority
GB
United Kingdom
Prior art keywords
wires
skid
oct
plastics material
longitudinal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB4314974A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Industrie Pirelli SpA
Pirelli and C SpA
Original Assignee
Industrie Pirelli SpA
Pirelli SpA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Industrie Pirelli SpA, Pirelli SpA filed Critical Industrie Pirelli SpA
Publication of GB1448607A publication Critical patent/GB1448607A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
    • H01B7/22—Metal wires or tapes, e.g. made of steel
    • H01B7/226—Helicoidally wound metal wires or tapes

Landscapes

  • Ropes Or Cables (AREA)
  • Insulated Conductors (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)

Abstract

1448607 Cable with skid wire INDUSTRIE PIRELLI SpA 4 Oct 1974 [12 Oct 1973] 43149/74 Heading H1A An electrical cable 10, for installation within a metal pipe 11, comprises an insulated core 12, an outer electrostatic screening layer 15 and "skid wires" comprising longitudinal metal wires (19, 20, 21) embedded in a partially conducting synthetic plastics material, the skid wires being wound helically over the layer 15. The plastics material may be high density polyethylene, p.v.c. or nylon, loaded with carbon black, and the longitudinal wires may be steel. The skid wires may have a D-shaped cross-section (Fig. 2, not shown). Dynamic coefficients of friction for the skid wires are quoted.
GB4314974A 1973-10-12 1974-10-04 Electric cable for pipes Expired GB1448607A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT30035/73A IT995803B (en) 1973-10-12 1973-10-12 IMPROVED PIPE ELECTRIC CABLE

Publications (1)

Publication Number Publication Date
GB1448607A true GB1448607A (en) 1976-09-08

Family

ID=11228906

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4314974A Expired GB1448607A (en) 1973-10-12 1974-10-04 Electric cable for pipes

Country Status (8)

Country Link
US (1) US3916078A (en)
JP (1) JPS5066788A (en)
AR (1) AR200943A1 (en)
BR (1) BR7407945D0 (en)
CA (1) CA1006931A (en)
GB (1) GB1448607A (en)
IE (1) IE39937B1 (en)
IT (1) IT995803B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6045212A (en) * 1983-08-23 1985-03-11 Sumitomo Electric Ind Ltd Optical fiber cable
US4783576A (en) * 1987-10-01 1988-11-08 Pirelli Cable Corporation High voltage gas filled pipe type cable
US7317420B2 (en) * 2001-02-15 2008-01-08 Integral Technologies, Inc. Low cost omni-directional antenna manufactured from conductive loaded resin-based materials
US7230572B2 (en) * 2001-02-15 2007-06-12 Integral Technologies, Inc. Low cost antenna devices comprising conductive loaded resin-based materials with conductive wrapping
US7915531B2 (en) * 2007-05-21 2011-03-29 Southwire Company Pushable cable
US8222525B2 (en) * 2007-05-21 2012-07-17 Southwire Company Pushable cable
US20090107719A1 (en) * 2007-10-24 2009-04-30 Powers Wilber F Pushable Cable
CN110544558B (en) * 2019-09-04 2021-03-19 冠纳电缆有限公司 Dragging cable

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2516747A (en) * 1945-08-29 1950-07-25 Okonite Callender Cable Co Inc Fluid impregnated electric cable
US2665328A (en) * 1947-07-23 1954-01-05 Gen Cable Corp Oil-impregnated electric power cable with flow-limiting tapes
US2615074A (en) * 1947-08-02 1952-10-21 Gen Cable Corp Cable pulling eye and method of making the same
US3047652A (en) * 1960-10-06 1962-07-31 Anaconda Wire & Cable Co Pipe-type cable core with armor tape reinforcing
US3080446A (en) * 1961-05-16 1963-03-05 Anaconda Wire & Cable Co High voltage cable
US3621110A (en) * 1969-04-01 1971-11-16 Gen Cable Corp Field impregnated extra high voltage cable system
US3579863A (en) * 1969-06-19 1971-05-25 Martin H Mcgrath Vip jacket under skid wire of paper power cables
US3594492A (en) * 1969-09-30 1971-07-20 Gen Cable Corp Pipe-type cable systems with reduced ac losses
JPS4926081B1 (en) * 1970-11-05 1974-07-05
US3673307A (en) * 1971-04-21 1972-06-27 Gen Cable Corp Pipe type cables with improved skid wire protection

Also Published As

Publication number Publication date
IE39937B1 (en) 1979-01-31
BR7407945D0 (en) 1975-09-16
IE39937L (en) 1975-04-12
CA1006931A (en) 1977-03-15
US3916078A (en) 1975-10-28
JPS5066788A (en) 1975-06-05
IT995803B (en) 1975-11-20
AR200943A1 (en) 1974-12-27

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee