IT974871B - Metodo per produrre cavi elettrici ricoperti con materiale reticolato - Google Patents

Metodo per produrre cavi elettrici ricoperti con materiale reticolato

Info

Publication number
IT974871B
IT974871B IT54733/72A IT5473372A IT974871B IT 974871 B IT974871 B IT 974871B IT 54733/72 A IT54733/72 A IT 54733/72A IT 5473372 A IT5473372 A IT 5473372A IT 974871 B IT974871 B IT 974871B
Authority
IT
Italy
Prior art keywords
cross
electric cables
producing electric
linked material
cables covered
Prior art date
Application number
IT54733/72A
Other languages
English (en)
Inventor
O Masaaki
T Kiyoshi
M Masatake
F Masaru
Original Assignee
Mitsubishi Petrochemical Co
Dainichi Nippon Cables 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
Application filed by Mitsubishi Petrochemical Co, Dainichi Nippon Cables Ltd filed Critical Mitsubishi Petrochemical Co
Application granted granted Critical
Publication of IT974871B publication Critical patent/IT974871B/it

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
    • H01B13/145—Pretreatment or after-treatment
    • 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
    • B29C48/022—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the choice of material
    • 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
    • B29C48/15—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor incorporating preformed parts or layers, e.g. extrusion moulding around inserts
    • 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
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/91—Heating, e.g. for cross linking
    • 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
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/911—Cooling
    • 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
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/911—Cooling
    • B29C48/9135—Cooling of flat articles, e.g. using specially adapted supporting means
    • B29C48/915—Cooling of flat articles, e.g. using specially adapted supporting means with means for improving the adhesion to the supporting means
    • B29C48/916—Cooling of flat articles, e.g. using specially adapted supporting means with means for improving the adhesion to the supporting means using vacuum
    • 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
    • B29C48/92—Measuring, controlling or regulating
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/92514—Pressure
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/92704—Temperature
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92819—Location or phase of control
    • B29C2948/92923—Calibration, after-treatment or cooling zone
    • 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
    • B29K2101/00—Use of unspecified macromolecular compounds as moulding material
    • B29K2101/10—Thermosetting resins
    • 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
    • B29K2105/24—Condition, form or state of moulded material or of the material to be shaped crosslinked or vulcanised
    • 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
    • B29K2301/00—Use of unspecified macromolecular compounds as reinforcement
    • B29K2301/10—Thermosetting resins

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Processes Specially Adapted For Manufacturing Cables (AREA)
IT54733/72A 1971-12-17 1972-12-15 Metodo per produrre cavi elettrici ricoperti con materiale reticolato IT974871B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP46101858A JPS5221193B2 (it) 1971-12-17 1971-12-17

Publications (1)

Publication Number Publication Date
IT974871B true IT974871B (it) 1974-07-10

Family

ID=14311701

Family Applications (1)

Application Number Title Priority Date Filing Date
IT54733/72A IT974871B (it) 1971-12-17 1972-12-15 Metodo per produrre cavi elettrici ricoperti con materiale reticolato

Country Status (11)

Country Link
US (1) US3868436A (it)
JP (1) JPS5221193B2 (it)
AU (1) AU468294B2 (it)
CA (1) CA987470A (it)
DE (1) DE2261207C3 (it)
FR (1) FR2163713B1 (it)
GB (1) GB1408947A (it)
IN (1) IN139009B (it)
IT (1) IT974871B (it)
SE (1) SE426627B (it)
ZA (1) ZA728816B (it)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4091064A (en) * 1973-08-22 1978-05-23 Dainichi Nihon Densen Kabushiki Kaisha Process for producing electric cable insulated with cured polyolefin
JPS5284482A (en) * 1976-01-06 1977-07-14 Ube Industries Method of covering insulator for core used for marine coaxial cable
FR2358973A1 (fr) * 1976-07-19 1978-02-17 Pont A Mousson Procede de fabrication de produits en matieres thermoplastiques reticulees et dispositif pour sa mise en oeuvre
FR2373385A1 (fr) * 1976-12-09 1978-07-07 Rhone Poulenc Ind Procede d'extrusion pour la fabrication de corps creux
US4354992A (en) * 1980-05-06 1982-10-19 Cable Technology Labs., Inc. Electrochemical tree resistant power cable
US4360492A (en) * 1980-11-05 1982-11-23 Southwire Company Method of and apparatus for lubricating cable during continuous dry curing
US4457975A (en) * 1981-02-17 1984-07-03 Cable Technology Laboratories, Inc. Tree resistant power cable
JPS606052B2 (ja) * 1981-06-10 1985-02-15 株式会社フジクラ 連続加硫装置
GB2118191B (en) * 1982-03-31 1985-06-05 Pirelli General Plc Curing of insulated electric cables
US4492662A (en) * 1983-04-28 1985-01-08 Pirelli General Plc Manufacture of insulated electric cables
US5252283A (en) * 1992-08-31 1993-10-12 General Motors Corporation Extrusion method
US5976432A (en) * 1996-09-09 1999-11-02 Plymouth Products, Inc. Method and apparatus for the continuous extrusion of block elements
US5823668A (en) * 1997-05-29 1998-10-20 Spirex Corporation Extruder and extrusion screw therefor
EP1494845B1 (en) * 2002-03-20 2006-08-09 NKT Flexibles I/S Process for the production of a polymer layer of a flexible offshore pipe
DE10251152B4 (de) * 2002-10-31 2007-10-04 Rehau Ag + Co. Extrudieren von peroxidischen vernetzbaren Formteilen aus Kunststoff
US20080217044A1 (en) * 2003-10-01 2008-09-11 Southwire Company Coupled building wire assembly
US20060065428A1 (en) * 2004-07-13 2006-03-30 Kummer Randy D Electrical cable having a surface with reduced coefficient of friction
US7411129B2 (en) * 2004-07-13 2008-08-12 Southwire Company Electrical cable having a surface with reduced coefficient of friction
US10763008B2 (en) 2004-09-28 2020-09-01 Southwire Company, Llc Method of manufacturing electrical cable, and resulting product, with reduced required installation pulling force
US7749024B2 (en) 2004-09-28 2010-07-06 Southwire Company Method of manufacturing THHN electrical cable, and resulting product, with reduced required installation pulling force
US7557301B2 (en) * 2004-09-28 2009-07-07 Southwire Company Method of manufacturing electrical cable having reduced required force for installation
US20060251802A1 (en) * 2005-05-03 2006-11-09 Kummer Randy D Electrical cable having a surface with reduced coefficient of friction
US8800967B2 (en) * 2009-03-23 2014-08-12 Southwire Company, Llc Integrated systems facilitating wire and cable installations
US8986586B2 (en) 2009-03-18 2015-03-24 Southwire Company, Llc Electrical cable having crosslinked insulation with internal pulling lubricant
US8658576B1 (en) 2009-10-21 2014-02-25 Encore Wire Corporation System, composition and method of application of same for reducing the coefficient of friction and required pulling force during installation of wire or cable
US10325696B2 (en) 2010-06-02 2019-06-18 Southwire Company, Llc Flexible cable with structurally enhanced conductors
DE102011052520A1 (de) * 2011-08-09 2013-02-14 Aumann Gmbh Vorrichtung zur Beschichtung von elektrisch leitenden Drähten
US9352371B1 (en) 2012-02-13 2016-05-31 Encore Wire Corporation Method of manufacture of electrical wire and cable having a reduced coefficient of friction and required pulling force
US11328843B1 (en) 2012-09-10 2022-05-10 Encore Wire Corporation Method of manufacture of electrical wire and cable having a reduced coefficient of friction and required pulling force
US10056742B1 (en) 2013-03-15 2018-08-21 Encore Wire Corporation System, method and apparatus for spray-on application of a wire pulling lubricant
US10431350B1 (en) 2015-02-12 2019-10-01 Southwire Company, Llc Non-circular electrical cable having a reduced pulling force

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3054142A (en) * 1959-10-06 1962-09-18 Anaconda Wire & Cable Co Extrusion of thermosetting polymeric materials
US3064073A (en) * 1960-07-27 1962-11-13 Du Pont Insulated electrical conductor
DE1729631A1 (de) * 1966-10-15 1971-07-01 Dunlop Co Ltd Verfahren zum Strangpressen von Gummi und gummiaehnlichem Material und Vorrichtung zur Durchfuehrung des Verfahrens
US3544665A (en) * 1969-01-24 1970-12-01 Schlumberger Technology Corp Method and apparatus for manufacturing electrical conductors
SE394393B (sv) * 1970-12-29 1977-06-27 Mitsubishi Petrochemical Co Sett att forma och vulka ett vulkbart material genom strengsprutning genom en zon, der ett formningsmedel anbringas pa ytan av den strengsprutade produkten

Also Published As

Publication number Publication date
AU4974372A (en) 1974-06-13
FR2163713A1 (it) 1973-07-27
JPS4865475A (it) 1973-09-08
ZA728816B (en) 1973-11-28
AU468294B2 (en) 1976-01-08
GB1408947A (en) 1975-10-08
SE426627B (sv) 1983-01-31
DE2261207A1 (de) 1973-06-20
IN139009B (it) 1976-04-24
FR2163713B1 (it) 1974-08-02
JPS5221193B2 (it) 1977-06-08
DE2261207C3 (de) 1981-06-19
DE2261207B2 (de) 1980-04-24
US3868436A (en) 1975-02-25
CA987470A (en) 1976-04-20

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