FR2369664A1 - Procede de reticulation en continu - Google Patents

Procede de reticulation en continu

Info

Publication number
FR2369664A1
FR2369664A1 FR7633358A FR7633358A FR2369664A1 FR 2369664 A1 FR2369664 A1 FR 2369664A1 FR 7633358 A FR7633358 A FR 7633358A FR 7633358 A FR7633358 A FR 7633358A FR 2369664 A1 FR2369664 A1 FR 2369664A1
Authority
FR
France
Prior art keywords
polyolefin
heat transfer
cable insulation
prodn
bar
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.)
Granted
Application number
FR7633358A
Other languages
English (en)
Other versions
FR2369664B1 (fr
Inventor
Maurice Hoquard
Claude Simon
Pierre Gautier
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.)
Trefimetaux SAS
Original Assignee
Trefimetaux SAS
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 Trefimetaux SAS filed Critical Trefimetaux SAS
Priority to FR7633358A priority Critical patent/FR2369664A1/fr
Publication of FR2369664A1 publication Critical patent/FR2369664A1/fr
Application granted granted Critical
Publication of FR2369664B1 publication Critical patent/FR2369664B1/fr
Granted 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
    • 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
    • B29C48/03—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
    • B29C48/919—Thermal treatment of the stream of extruded material, e.g. cooling using a bath, e.g. extruding into an open bath to coagulate or cool the material
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
    • H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
    • H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
    • H01B3/44—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins
    • H01B3/441—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins from alkenes
    • 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)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Organic Insulating Materials (AREA)

Abstract

L'invention concerne un procédé de réticulation en continu. Le mélange isolant à base de polyéthylène contenant l'agent de réticulation, est appliqué concentriquement sur une ame métallique au moyen d'une extrudeuse, puis passe dans un tube étanche rempli d'un liquide organique sous une pression au moins égale à 3 bars à une température d'environ 200 degrés C, et passe ensuite dans une zone de refroidissement. Application à l'isolement de câbles électriques.
FR7633358A 1976-10-29 1976-10-29 Procede de reticulation en continu Granted FR2369664A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7633358A FR2369664A1 (fr) 1976-10-29 1976-10-29 Procede de reticulation en continu

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7633358A FR2369664A1 (fr) 1976-10-29 1976-10-29 Procede de reticulation en continu

Publications (2)

Publication Number Publication Date
FR2369664A1 true FR2369664A1 (fr) 1978-05-26
FR2369664B1 FR2369664B1 (fr) 1981-01-23

Family

ID=9179569

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7633358A Granted FR2369664A1 (fr) 1976-10-29 1976-10-29 Procede de reticulation en continu

Country Status (1)

Country Link
FR (1) FR2369664A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2410803A1 (fr) * 1979-03-16 1979-06-29 Cim Lambda Dispositif pour le traitement thermique ou thermochimique, en continu, d'objets, par emission de micro-ondes

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2410803A1 (fr) * 1979-03-16 1979-06-29 Cim Lambda Dispositif pour le traitement thermique ou thermochimique, en continu, d'objets, par emission de micro-ondes
EP0016699A1 (fr) * 1979-03-16 1980-10-01 TECHNICS LAMBDA INTERNATIONAL Société anonyme dite. Dispositif pour le traitement thermique ou thermochimique, en continu, d'objets, par émission de micro-ondes

Also Published As

Publication number Publication date
FR2369664B1 (fr) 1981-01-23

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse