BR7704764A - Processo que compreende a extrusao o resfriamento e a reticulacao,para extrusao de polimeros para uso na producao de cabos de alta voltagem - Google Patents

Processo que compreende a extrusao o resfriamento e a reticulacao,para extrusao de polimeros para uso na producao de cabos de alta voltagem

Info

Publication number
BR7704764A
BR7704764A BR7704764A BR7704764A BR7704764A BR 7704764 A BR7704764 A BR 7704764A BR 7704764 A BR7704764 A BR 7704764A BR 7704764 A BR7704764 A BR 7704764A BR 7704764 A BR7704764 A BR 7704764A
Authority
BR
Brazil
Prior art keywords
extrusion
harnessing
understands
polymers
production
Prior art date
Application number
BR7704764A
Other languages
English (en)
Portuguese (pt)
Inventor
N Brick
K Oberg
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Publication of BR7704764A publication Critical patent/BR7704764A/pt

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
    • B29C48/88—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
    • 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
    • H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
    • H01B13/24—Sheathing; Armouring; Screening; Applying other protective layers 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
    • B29C48/05—Filamentary, e.g. strands

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Organic Insulating Materials (AREA)
BR7704764A 1976-07-23 1977-07-20 Processo que compreende a extrusao o resfriamento e a reticulacao,para extrusao de polimeros para uso na producao de cabos de alta voltagem BR7704764A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7608411A SE413822B (sv) 1976-07-23 1976-07-23 Metod, innefattande sprutprofylering nedkylning och tverbindning, vid extrudering av polymera material avsedd att anvendas vid framstellning av hogspenningskabel

Publications (1)

Publication Number Publication Date
BR7704764A true BR7704764A (pt) 1978-04-25

Family

ID=20328540

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7704764A BR7704764A (pt) 1976-07-23 1977-07-20 Processo que compreende a extrusao o resfriamento e a reticulacao,para extrusao de polimeros para uso na producao de cabos de alta voltagem

Country Status (8)

Country Link
AU (1) AU2721077A (da)
BR (1) BR7704764A (da)
DE (1) DE2732629A1 (da)
DK (1) DK332377A (da)
FI (1) FI772229A (da)
FR (1) FR2359491A1 (da)
NO (1) NO772630L (da)
SE (1) SE413822B (da)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2805631A1 (de) * 1978-02-10 1979-08-16 Kabel & Lackdrahtfab Gmbh Vorrichtung und verfahren zum umhuellen eines leiters
DE2939608C2 (de) * 1979-09-29 1986-04-24 Vereinigung zur Förderung des Instituts für Kunststoffverarbeitung in Industrie und Handwerk an der Rhein.-Westf. Technischen Hochschule Aachen e.V., 5100 Aachen Verfahren und Vorrichtung zur kontinuierlichen Herstellung elektrischer Kabel und Leitungen
FI89987C (fi) * 1991-10-30 1993-12-10 Maillefer Nokia Oy Foerfarande foer vaermebehandling av en kabel

Also Published As

Publication number Publication date
NO772630L (no) 1978-01-24
FI772229A (da) 1978-01-24
SE413822B (sv) 1980-06-23
SE7608411L (sv) 1978-01-24
DK332377A (da) 1978-01-24
AU2721077A (en) 1979-01-25
DE2732629A1 (de) 1978-01-26
FR2359491A1 (fr) 1978-02-17

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