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GB1064622A - Improvements in or relating to electric cables - Google Patents

Improvements in or relating to electric cables

Info

Publication number
GB1064622A
GB1064622A GB8344/65A GB834465A GB1064622A GB 1064622 A GB1064622 A GB 1064622A GB 8344/65 A GB8344/65 A GB 8344/65A GB 834465 A GB834465 A GB 834465A GB 1064622 A GB1064622 A GB 1064622A
Authority
GB
United Kingdom
Prior art keywords
polyethylene
cross
cable
layers
layer
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
GB8344/65A
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.)
Sumitomo Electric Industries Ltd
Original Assignee
Sumitomo Electric Industries Ltd
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
Priority claimed from JP4887464A external-priority patent/JPS4839021B1/ja
Application filed by Sumitomo Electric Industries Ltd filed Critical Sumitomo Electric Industries Ltd
Publication of GB1064622A publication Critical patent/GB1064622A/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
    • H01B13/14—Insulating conductors or cables by extrusion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/06—Rod-shaped
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/30—Extrusion nozzles or dies
    • B29C48/304—Extrusion nozzles or dies specially adapted for bringing together components, e.g. melts within the die
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/30—Extrusion nozzles or dies
    • B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
    • B29C48/34—Cross-head annular extrusion nozzles, i.e. for simultaneously receiving moulding material and the preform to be coated
    • 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
    • H01B13/14—Insulating conductors or cables by extrusion
    • H01B13/141—Insulating conductors or cables by extrusion of two or more insulating layers
    • 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
    • H01B13/34—Apparatus or processes specially adapted for manufacturing conductors or cables for marking conductors or cables
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/05—Filamentary, e.g. strands
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/06—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts
    • B29K2105/20—Inserts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/34—Electrical apparatus, e.g. sparking plugs or parts thereof
    • B29L2031/3462—Cables

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing Of Electric Cables (AREA)

Abstract

1,064,622. Extruding multi-layer cable coverings. SUMITOMO ELECTRIC INDUSTRIES Ltd. Feb. 26, 1965 [April 24, 1964; Aug. 26, 1964], No. 8344/65. Heading B5A. [Also in Division H1] A cable is formed by extruding on to a conductor polyethylene containing a cross-linking agent and polyethylene containing no crosslinking agent to cover it with a plurality of layers which are heated to cross-link the layers simultaneously. As shown, the stranded conductor of the cable is passed through passage 21 of the die and three layers of polyethylene are extruded via passages 22 and 23, 24 and 25, and 26 and 27 respectively. The middle layer is that containing the cross-linking agent. The inner layer may comprise semi-conducting polyethylene and the outer may contain a colouring agent for identification purposes, and may be applied as stripes on the surface of the middle layer (Fig. 2, not shown).
GB8344/65A 1964-04-24 1965-02-26 Improvements in or relating to electric cables Expired GB1064622A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2321864 1964-04-24
JP4887464A JPS4839021B1 (en) 1964-08-26 1964-08-26

Publications (1)

Publication Number Publication Date
GB1064622A true GB1064622A (en) 1967-04-05

Family

ID=26360543

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8344/65A Expired GB1064622A (en) 1964-04-24 1965-02-26 Improvements in or relating to electric cables

Country Status (1)

Country Link
GB (1) GB1064622A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4247504A (en) * 1976-10-18 1981-01-27 Oy Nokia Ab Method of manufacturing plastic covered highvoltage cables
US4449098A (en) * 1980-03-19 1984-05-15 Osaka Gas Company Limited Arrangement for detecting the location of an electrically insulative continuous item positioned underground
EP0534208A1 (en) * 1991-09-23 1993-03-31 Siemens Aktiengesellschaft Extrusion head for co-extruding at least two plastic materials
AT989U1 (en) * 1995-10-13 1996-08-26 Unitek Maschnb & Handel Gmbh SPRAY HEAD ARRANGEMENT
WO1997011831A1 (en) * 1995-09-25 1997-04-03 General Electric Company Extruded thermoplastic insulation on stator bars
EP1463620A2 (en) * 2002-01-09 2004-10-06 Thomas & Betts International, Inc. Semiconductive coating and application process for shielded elastomeric electrical cable accessories
EP2068329A1 (en) * 2006-09-06 2009-06-10 University of Science and Technology of China Manufacture method for wire cable insulated by uv crosslinked polyolefin and uv irradiation crosslink equipment

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4247504A (en) * 1976-10-18 1981-01-27 Oy Nokia Ab Method of manufacturing plastic covered highvoltage cables
US4449098A (en) * 1980-03-19 1984-05-15 Osaka Gas Company Limited Arrangement for detecting the location of an electrically insulative continuous item positioned underground
EP0534208A1 (en) * 1991-09-23 1993-03-31 Siemens Aktiengesellschaft Extrusion head for co-extruding at least two plastic materials
WO1997011831A1 (en) * 1995-09-25 1997-04-03 General Electric Company Extruded thermoplastic insulation on stator bars
US5650031A (en) * 1995-09-25 1997-07-22 General Electric Company Extruding thermoplastic insulation on stator bars
AT989U1 (en) * 1995-10-13 1996-08-26 Unitek Maschnb & Handel Gmbh SPRAY HEAD ARRANGEMENT
EP1463620A2 (en) * 2002-01-09 2004-10-06 Thomas & Betts International, Inc. Semiconductive coating and application process for shielded elastomeric electrical cable accessories
EP1463620A4 (en) * 2002-01-09 2007-04-04 Thomas & Betts Int Semiconductive coating and application process for shielded elastomeric electrical cable accessories
EP2068329A1 (en) * 2006-09-06 2009-06-10 University of Science and Technology of China Manufacture method for wire cable insulated by uv crosslinked polyolefin and uv irradiation crosslink equipment
EP2068329A4 (en) * 2006-09-06 2010-08-25 Ustc Univ Science Tech Cn METHOD FOR MANUFACTURING METAL CABLE ISOLATED BY UV-CROSSLINKED POLYOLEFIN, AND UV IRRADIATION CROSSLINKING APPARATUS

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