GB916521A - Improvements in or relating to methods of jointing electric cables insulated with thermoplastic material - Google Patents

Improvements in or relating to methods of jointing electric cables insulated with thermoplastic material

Info

Publication number
GB916521A
GB916521A GB3962159A GB3962159A GB916521A GB 916521 A GB916521 A GB 916521A GB 3962159 A GB3962159 A GB 3962159A GB 3962159 A GB3962159 A GB 3962159A GB 916521 A GB916521 A GB 916521A
Authority
GB
United Kingdom
Prior art keywords
tape
jointing
taping
conductors
thermoplastic
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
GB3962159A
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.)
Pirelli and C SpA
Original Assignee
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 Pirelli SpA filed Critical Pirelli SpA
Publication of GB916521A publication Critical patent/GB916521A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G15/00—Cable fittings
    • H02G15/08—Cable junctions
    • H02G15/18—Cable junctions protected by sleeves, e.g. for communication cable
    • H02G15/196—Cable junctions protected by sleeves, e.g. for communication cable having lapped insulation

Landscapes

  • Cable Accessories (AREA)
  • Processes Specially Adapted For Manufacturing Cables (AREA)

Abstract

916,521. Insulating cable joints. PIRELLI S.p.A. Nov. 23, 1959 [Nov. 26, 1958], No. 39621/59. Class 38 (1). A method of jointing a cable insulated with thermoplastic material comprises winding around the junction of the conductors a non- adhesive tape 7 whose characteristics are similar to those of the thermoplastic insulation of the conductors. Further tape 8, which may be of partially conducting cloth or a partially conducting material whose characteristics remain unaltered at the melting temperature of the thermoplastic tape 7, is then wound on the tape 7. The jointing zone is next heated, e.g. in a paraffin wax bath or in an oven, at a temperature higher than the softening temperature of the tape 7, and the taping 8 acts as a substantially non-deformable mould for the material of the tape 7. Subsequently, and after slow cooling, the taping 8 is removed or left in position and, after securing a screen 9 to the existing screen 3, an outer sheath 12 is applied in a manner similar to that used for the insulation immediately surrounding the joined conductors. Finally, a second winding of inextensible tape is applied and the whole is heated at a temperature higher than the softening temperature of the material constituting the sheath 12. After slow cooling, the second winding of inextensible taping may be wholly removed or left in position. Examples are given of the jointing of cables having P.V.C. and polythene insulation.
GB3962159A 1958-11-26 1959-11-23 Improvements in or relating to methods of jointing electric cables insulated with thermoplastic material Expired GB916521A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT599171 1958-11-26

Publications (1)

Publication Number Publication Date
GB916521A true GB916521A (en) 1963-01-23

Family

ID=11120834

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3962159A Expired GB916521A (en) 1958-11-26 1959-11-23 Improvements in or relating to methods of jointing electric cables insulated with thermoplastic material

Country Status (2)

Country Link
ES (1) ES253992A1 (en)
GB (1) GB916521A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2753835A1 (en) * 1977-11-30 1979-05-31 Siemens Ag High voltage power cable connecting bushing - made up of selectively conductive crosslinkable ethylene! propylene! copolymer or terpolymer tapes
DE2753834A1 (en) * 1977-11-30 1979-05-31 Siemens Ag High voltage power cable connecting bushing - produced by winding tape around the cores, applying injection-moulded body or insulating tapes, and heat-treating
AU2009200426B2 (en) * 2008-02-07 2011-05-19 Ccs Technology, Inc. Heat-shrinkable cable joint for protecting at least one connection point between cables

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2753835A1 (en) * 1977-11-30 1979-05-31 Siemens Ag High voltage power cable connecting bushing - made up of selectively conductive crosslinkable ethylene! propylene! copolymer or terpolymer tapes
DE2753834A1 (en) * 1977-11-30 1979-05-31 Siemens Ag High voltage power cable connecting bushing - produced by winding tape around the cores, applying injection-moulded body or insulating tapes, and heat-treating
AU2009200426B2 (en) * 2008-02-07 2011-05-19 Ccs Technology, Inc. Heat-shrinkable cable joint for protecting at least one connection point between cables

Also Published As

Publication number Publication date
ES253992A1 (en) 1960-07-01

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