GB1263251A - Improvements in or relating to the manufacture of insulated electric conductors - Google Patents

Improvements in or relating to the manufacture of insulated electric conductors

Info

Publication number
GB1263251A
GB1263251A GB85768A GB85768A GB1263251A GB 1263251 A GB1263251 A GB 1263251A GB 85768 A GB85768 A GB 85768A GB 85768 A GB85768 A GB 85768A GB 1263251 A GB1263251 A GB 1263251A
Authority
GB
United Kingdom
Prior art keywords
tube
conductor
jan
relating
manufacture
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
GB85768A
Inventor
Thomas Lawrenson
Francis Peter Hartham
Ernest Blacklock
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.)
Balfour Beatty PLC
Original Assignee
BICC PLC
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 BICC PLC filed Critical BICC PLC
Priority to GB85768A priority Critical patent/GB1263251A/en
Priority to FR6900045A priority patent/FR2000040A1/fr
Priority to BE726475D priority patent/BE726475A/xx
Priority to NL6900069A priority patent/NL6900069A/xx
Publication of GB1263251A publication Critical patent/GB1263251A/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
    • H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
    • H01B13/06—Insulating conductors or cables
    • H01B13/18—Applying discontinuous insulation, e.g. discs, beads
    • H01B13/185—Applying discontinuous insulation, e.g. discs, beads by periodically constricting an insulating sleeve

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Insulated Conductors (AREA)

Abstract

1,263,251. Extruded conductor covering. BRITISH INSULATED CALLENDER'S CABLES Ltd. 3 Jan., 1969 [5 Jan., 1968], No. 857/68. Heading B5A. [Also in Division H1] A constricted tube insulated conductor is manufactured by enclosing the conductors 3 in an oversize insulating (e.g. thermoplastic) tube 2 and, while the wall of the tube is in a temporarily heat-softened state, directing jets of fluid at it to deform it locally to form constrictions 6. The jets (e.g. of hot air) emerge from nozzles 8 which may be designed to localize the jet or may be separated from the tube by a screen 9 having aperture(s) 10. Various arrangements of the apertures, screens and jet nozzles producing regularly or randomly spaced constrictions are described. Alternatively the tube may be divided into two or four compartments which may each contain a conductor.
GB85768A 1968-01-05 1968-01-05 Improvements in or relating to the manufacture of insulated electric conductors Expired GB1263251A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GB85768A GB1263251A (en) 1968-01-05 1968-01-05 Improvements in or relating to the manufacture of insulated electric conductors
FR6900045A FR2000040A1 (en) 1968-01-05 1969-01-03
BE726475D BE726475A (en) 1968-01-05 1969-01-03
NL6900069A NL6900069A (en) 1968-01-05 1969-01-03

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB85768A GB1263251A (en) 1968-01-05 1968-01-05 Improvements in or relating to the manufacture of insulated electric conductors

Publications (1)

Publication Number Publication Date
GB1263251A true GB1263251A (en) 1972-02-09

Family

ID=9711708

Family Applications (1)

Application Number Title Priority Date Filing Date
GB85768A Expired GB1263251A (en) 1968-01-05 1968-01-05 Improvements in or relating to the manufacture of insulated electric conductors

Country Status (4)

Country Link
BE (1) BE726475A (en)
FR (1) FR2000040A1 (en)
GB (1) GB1263251A (en)
NL (1) NL6900069A (en)

Also Published As

Publication number Publication date
BE726475A (en) 1969-06-16
FR2000040A1 (en) 1969-08-29
NL6900069A (en) 1969-07-08

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