GB1177280A - Improvements in or relating to Mineral Insulated Cables - Google Patents

Improvements in or relating to Mineral Insulated Cables

Info

Publication number
GB1177280A
GB1177280A GB5309467A GB5309467A GB1177280A GB 1177280 A GB1177280 A GB 1177280A GB 5309467 A GB5309467 A GB 5309467A GB 5309467 A GB5309467 A GB 5309467A GB 1177280 A GB1177280 A GB 1177280A
Authority
GB
United Kingdom
Prior art keywords
cables
nov
hydrogen
relating
sheath
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
GB5309467A
Inventor
William Arthur Preston
Eric Mills
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 GB5309467A priority Critical patent/GB1177280A/en
Publication of GB1177280A publication Critical patent/GB1177280A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/74—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
    • C21D1/76—Adjusting the composition of the atmosphere
    • 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
    • H01B7/16—Rigid-tube cables

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Insulated Conductors (AREA)

Abstract

1,177,280. Heat-treating cables. BRITISH INSULATED CALLENDER'S CABLES Ltd. Nov.21, 1968 [Nov.22, 1967], No.53094/67. Heading C7N. Mineral-insulated cables of the kind comprising at least one conductor of high nickel content and a sheath of stainless steel or of the alloy sold under the (Registered Trade Mark) "Inconel", with compacted powdered mineral insulation therebetween, is subjected to an annealing operation or to unnealing operations during which the cable is precluded from contact with hydrogen whilst at a temperature at which hydrogen could penetrate the cable sheath. The annealing may be carried out in vacuum or in a non-deleterious environment such as argon or air.
GB5309467A 1967-11-22 1967-11-22 Improvements in or relating to Mineral Insulated Cables Expired GB1177280A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB5309467A GB1177280A (en) 1967-11-22 1967-11-22 Improvements in or relating to Mineral Insulated Cables

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5309467A GB1177280A (en) 1967-11-22 1967-11-22 Improvements in or relating to Mineral Insulated Cables

Publications (1)

Publication Number Publication Date
GB1177280A true GB1177280A (en) 1970-01-07

Family

ID=10466618

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5309467A Expired GB1177280A (en) 1967-11-22 1967-11-22 Improvements in or relating to Mineral Insulated Cables

Country Status (1)

Country Link
GB (1) GB1177280A (en)

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