CH682778A5 - Cooler and extruder. - Google Patents

Cooler and extruder. Download PDF

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Publication number
CH682778A5
CH682778A5 CH1278/90A CH127890A CH682778A5 CH 682778 A5 CH682778 A5 CH 682778A5 CH 1278/90 A CH1278/90 A CH 1278/90A CH 127890 A CH127890 A CH 127890A CH 682778 A5 CH682778 A5 CH 682778A5
Authority
CH
Switzerland
Prior art keywords
cooling
cooler according
cooler
cable
output signal
Prior art date
Application number
CH1278/90A
Other languages
French (fr)
Inventor
John Kyriakis
Original Assignee
Beta Instr Co
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 Beta Instr Co filed Critical Beta Instr Co
Publication of CH682778A5 publication Critical patent/CH682778A5/en

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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
    • H01B13/0016—Apparatus or processes specially adapted for manufacturing conductors or cables for heat treatment
    • H01B13/002—Apparatus or processes specially adapted for manufacturing conductors or cables for heat treatment for heat extraction
    • 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
    • B29C48/911—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
    • B29C48/919—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
    • 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
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92009—Measured parameter
    • B29C2948/92085—Velocity
    • 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
    • B29C2948/92009—Measured parameter
    • B29C2948/92114—Dimensions
    • B29C2948/92142—Length
    • 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
    • B29C2948/92009—Measured parameter
    • B29C2948/92209—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
    • B29C2948/92504—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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92819—Location or phase of control
    • B29C2948/92933—Conveying, transporting or storage of articles

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)

Description

1 1

CH 682 778 A5 CH 682 778 A5

2 2

Descriptionh Descriptionh

La présente invention concerne un refroidisseur et un dispositif d'extrusion. Les propriétés électriques d'un câble dépendent du degré d'isolation. L'extrusion du matériau d'isolation se fait à température élevée et lors du refroidissement, les propriétés électriques du matériau d'isolation changent. Quand le matériau est cellulaire, quelques cellules coliapsent lorsque le matériau se refroidit et le diamètre moyen diminue. C'est pourquoi les conditions de refroidissement déterminent les propriétés électriques du câble fini. The present invention relates to a cooler and an extrusion device. The electrical properties of a cable depend on the degree of insulation. The insulation material is extruded at high temperature and during cooling, the electrical properties of the insulation material change. When the material is cellular, some cells coliapse when the material cools and the average diameter decreases. This is why the cooling conditions determine the electrical properties of the finished cable.

La présente invention a pour but le contrôle des propriétés du matériau d'isolation lors de la fabrication d'un câble extrudé, dans lequel un ou plusieurs conducteurs sont couverts de matériau d'isolation dans un dispositif d'extrusion. The present invention aims to control the properties of the insulation material during the manufacture of an extruded cable, in which one or more conductors are covered with insulation material in an extrusion device.

Ce but est atteint à l'aide d'un refroidisseur comprenant des moyens définissant un chemin pour le câbie extrudé, des moyens pour, refroidir le câble progressant le long dudit chemin, au moins deux moyens pour capter un paramètre physique du câble extrudé en au moins deux points séparés par au moins une partie des moyens de refroidissement, des moyens pour générer un signal de sortie à partir des lectures des moyens capteurs auxdits deux points. This object is achieved using a cooler comprising means defining a path for the extruded cable, means for cooling the cable progressing along said path, at least two means for sensing a physical parameter of the extruded cable in at at least two points separated by at least part of the cooling means, means for generating an output signal from the readings of the sensor means at said two points.

L'invention comprend également un dispositif d'extrusion comprenant une sortie, un tel refroidisseur et des moyens pour guider le câble extrudé depuis ladite sortie le long dudit chemin. The invention also includes an extrusion device comprising an outlet, such a cooler and means for guiding the extruded cable from said outlet along said path.

L'invention s'applique particulièrement à l'utilisation de matériau d'isolation cellulaire, où des bulles sont formées dans le matériau par des moyens mécaniques ou chimiques, ia forme finale des bulles déterminant les propriétés électriques du matériau d'isolation. The invention is particularly applicable to the use of cellular insulation material, where bubbles are formed in the material by mechanical or chemical means, the final shape of the bubbles determining the electrical properties of the insulation material.

Les paramètres physiques susceptibles d'être captés, incluent l'impédance capacitive entre le conducteur central et un capteur extérieur ainsi que les dimensions physiques de la section transversale du câble. Les capteurs peuvent être situés à l'intérieur ou à l'extérieur de la zone de fonctionnement des moyens de refroidissement, et de préférence, fonctionnent électriquement plutôt que par contact mécanique avec le câble. The physical parameters that can be captured include the capacitive impedance between the central conductor and an external sensor as well as the physical dimensions of the cross section of the cable. The sensors can be located inside or outside the operating zone of the cooling means, and preferably operate electrically rather than by mechanical contact with the cable.

Des signaux de contrôle peuvent permettre de contrôler la longueur de la zone de fonctionnement des moyens de refroidissement, la vitesse avec laquelle le câble traverse les moyens de refroidissement, ou la température du fluide de refroidissement à l'intérieur des moyens de refroidissement; ils pourraient également être appliqués à Pextrudeu-se associée pour contrôler les propriétés du matériau extrudé. Control signals can make it possible to control the length of the operating zone of the cooling means, the speed with which the cable passes through the cooling means, or the temperature of the cooling fluid inside the cooling means; they could also be applied to the extruder-associated to control the properties of the extruded material.

Un exemple de l'invention va maintenant être décrit par référence à la figure d'accompagnement, qui est un diagramme représentant un dispositif de contrôle d'extrusion comportant plusieurs dispositions caractéristiques alternatives. An example of the invention will now be described with reference to the accompanying figure, which is a diagram representing an extrusion control device comprising several alternative characteristic arrangements.

Dans la figure, un conducteur électrique 6 vient d'une roue 5 à travers un dispositif d'extrusion 7, dans lequel du matériau d'isolation électrique est extrudé autour du conducteur. Le câble extrudé In the figure, an electrical conductor 6 comes from a wheel 5 through an extrusion device 7, in which electrical insulation material is extruded around the conductor. Extruded cable

passe à travers une cuve de refroidissement 10 et il est enroulé sur une roue de réception 13 lorsqu'il est suffisamment refroidi pour supporter d'être enroulé sur la roue sans dommage. passes through a cooling tank 10 and it is wound on a receiving wheel 13 when it is sufficiently cooled to withstand being wound on the wheel without damage.

Les propriétés physiques du câbie extrudé sont mesurées en des points séparés par au moins une partie de la cuve de refroidissement, les lectures étant comparées par un comparateur 21 qui ensuite donne un, signal de sortie pour contrôler soit le refroidisseur soit le dispositif d'extrusion. Les capteurs 16 et 17 forment une telle paire de capteurs, pour mesurer, par des moyens connus, l'aire de la surface transversale du câble en amont et en aval de la cuve de refroidissement 10. Les signaux de sortie des capteurs 16 et 17 passent à travers des circuits processeurs 18 et 19, possédant des indicateurs 20, à un comparateur 21 qui donne un ou plusieurs signaux de sortie de contrôle. Dans cette disposition, les capteurs sont séparés par toute la longueur de la cuve de refroidissement. The physical properties of the extruded cable are measured at points separated by at least part of the cooling tank, the readings being compared by a comparator 21 which then gives an output signal to control either the cooler or the extrusion device . The sensors 16 and 17 form such a pair of sensors, for measuring, by known means, the area of the transverse surface of the cable upstream and downstream of the cooling tank 10. The output signals from the sensors 16 and 17 pass through processor circuits 18 and 19, having indicators 20, to a comparator 21 which gives one or more control output signals. In this arrangement, the sensors are separated by the entire length of the cooling tank.

Dans une disposition également possible, l'impédance capacitive du câble extrudé est mesurée, en des points séparés, à l'intérieur de la cuve de refroidissement 10, à l'aide de moyens connus, par des tubes capteurs immergés 14 et 15. In an arrangement also possible, the capacitive impedance of the extruded cable is measured, at separate points, inside the cooling tank 10, using known means, by immersed sensor tubes 14 and 15.

La figure montre que les signaux de sortie des capteurs 14 et 15 passent également par les circuits processeurs 18 et 19 vers le comparateur 21. The figure shows that the output signals from sensors 14 and 15 also pass through processor circuits 18 and 19 to comparator 21.

La figure montre divers signaux de contrôle sortant du comparateur 21. Un de ces signaux de sortie, ligne 31, est connecté au dispositif d'extrusion 7, et peut, par exemple, contrôler ia dimension de la matrice à travers laquelle le matériau est extrudé sur le conducteur 6. The figure shows various control signals leaving the comparator 21. One of these output signals, line 31, is connected to the extrusion device 7, and can, for example, control the dimension of the matrix through which the material is extruded on conductor 6.

Un autre signal de contrôle sort sur la ligne 32; il est connecté à un moteur 27 permettant d'allonger une partie télescopique 9 de la cuve de refroidissement 10 pour augmenter la longueur de la cuve de refroidissement à travers laquelle le câble passe, dans le but d'augmenter l'effet de refroidissement. Un troisième signal de contrôle peut sortir sur la ligne 33, connectée à la bobine de réception 13, et contrôle la vitesse à laquelle le câble passe à travers la cuve de refroidissement, une augmentation de vitesse diminuant l'effet de refroidissement. Un quatrième signal de contrôle sort sur la ligne 34; il est appliqué à un comparateur 22 qui répond à la température de l'eau dans la cuve de refroidissement, mesurée par le capteur 23; le signal de sortie, du comparateur 22 est appliqué à la pompe 11 du dispositif de circulation d'eau de refroidissement de la cuve 10, ce dispositif incluant un échangeur de chaleur 24 et un réservoir supérieur 25 avec une alimentation d'eau 26, en plus de la pompe de circulation 11. Another control signal comes out on line 32; it is connected to a motor 27 making it possible to extend a telescopic part 9 of the cooling tank 10 to increase the length of the cooling tank through which the cable passes, in order to increase the cooling effect. A third control signal can be output on line 33, connected to the receiving coil 13, and controls the speed at which the cable passes through the cooling tank, an increase in speed decreasing the cooling effect. A fourth control signal comes out on line 34; it is applied to a comparator 22 which responds to the temperature of the water in the cooling tank, measured by the sensor 23; the output signal from comparator 22 is applied to the pump 11 of the device for circulating water for cooling the tank 10, this device including a heat exchanger 24 and an upper tank 25 with a water supply 26, plus the circulation pump 11.

Les différentes mesures des propriétés physiques du câbie extrudé décrites ci-dessus peuvent être combinées de différentes façon, comme peuvent être combinés les différents signaux de contrôle sortant du comparateur 21. The different measures of the physical properties of the extruded cable described above can be combined in different ways, as can the different control signals coming out of the comparator 21.

Claims (16)

RevendicationsClaims 1. Refroidisseur comprenant des moyens définissant un chemin pour un câble extrudé, des moyens1. Cooler comprising means defining a path for an extruded cable, means 55 1010 1515 2020 2525 3030 3535 4040 4545 5050 5555 6060 6565 22 33 CH 682 778 A5CH 682 778 A5 44 pour refroidir ledit câble progressant le long dudit chemin, au moins deux moyens pour capter un paramètre physique du câble extrudé en au moins deux points séparés par au moins une partie des moyens de refroidissement, des moyens pour générer un signal de sortie à partir des lectures des moyens capteurs auxdits deux points.for cooling said cable progressing along said path, at least two means for sensing a physical parameter of the extruded cable at at least two points separated by at least part of the cooling means, means for generating an output signal from the readings sensor means at said two points. 2. Refroidisseur selon la revendication 1, dans lequel les moyens de refroidissement réagissent au signal de sortie.2. Cooler according to claim 1, in which the cooling means react to the output signal. 3. Refroidisseur selon la revendication 1 ou 2, dans lequel le premier moyen capteur comprend des moyens adaptés pour mesurer l'aire de la section transversale du câble extrudé.3. Cooler according to claim 1 or 2, wherein the first sensor means comprises means adapted to measure the area of the cross section of the extruded cable. 4. Refroidisseur selon l'une des revendications 1 à 3, dans lequel le second moyen capteur est adapté pour mesurer l'impédance capacitive du câble extrudé.4. Cooler according to one of claims 1 to 3, wherein the second sensor means is adapted to measure the capacitive impedance of the extruded cable. 5. Refroidisseur selon l'une quelconque des revendications 1 à 4, dans lequel les deux moyens capteurs sont situés tous deux à l'extérieur des moyens de refroidissement.5. Cooler according to any one of claims 1 to 4, in which the two sensor means are both located outside the cooling means. 6. Refroidisseur selon l'une quelconque des revendications 1 à 4, dans lequel les deux moyens capteurs sont situés tous deux à l'intérieur des moyens de refroidissement.6. Cooler according to any one of claims 1 to 4, in which the two sensor means are both located inside the cooling means. 7. Refroidisseur selon l'une quelconque des revendications précédentes, dans lequel les moyens de refroidissement comprennent des moyens de circulation pour faire circuler un fluide de refroidissement, lesdits moyens de circulation réagissant audit signal de sortie.7. Cooler according to any one of the preceding claims, in which the cooling means comprise circulation means for circulating a cooling fluid, said circulation means reacting to said output signal. 8. Refroidisseur selon l'une quelconque des revendications précédentes, comprenant des moyens pour détecter la température du fluide de refroidissement.8. Cooler according to any one of the preceding claims, comprising means for detecting the temperature of the cooling fluid. 9. Refroidisseur selon les revendications 7 et 8 dans lequel les moyens de circulation répondent à la température détectée par les moyens détecteurs de température.9. Cooler according to claims 7 and 8 wherein the circulation means respond to the temperature detected by the temperature detecting means. 10. Refroidisseur selon l'une quelconque des revendications précédentes, dans lequel les moyens de refroidissement sont ajustables en longueur le long dudit chemin.10. Cooler according to any one of the preceding claims, in which the cooling means are adjustable in length along said path. 11. Refroidisseur selon la revendication 10, dans lequel les moyens de refroidissement comprennent un bain télescopique.11. Cooler according to claim 10, in which the cooling means comprise a telescopic bath. 12. Refroidisseur selon les revendications 10 ou 11, dans lequel les moyens de refroidissement comprennent des moyens pour ajuster ladite longueur, lesdits moyens réagissant audit signal de sortie.12. Cooler according to claims 10 or 11, wherein the cooling means comprise means for adjusting said length, said means reacting to said output signal. 13. Dispositif d'extrusion possédant une sortie, un refroidisseur selon l'une quelconque des revendications précédentes, avec des moyens pour guider le câble extrudé depuis ladite sortie le long dudit chemin.13. An extrusion device having an outlet, a cooler according to any one of the preceding claims, with means for guiding the extruded cable from said outlet along said path. 14. Dispositif selon la revendication 13, dans lequel ledit dispositif d'extrusion réagit audit signal de sortie.14. Device according to claim 13, in which said extrusion device reacts to said output signal. 15. Dispositif selon la revendication 14, comprenant des moyens pour extruder un revêtement autour d'un câble préformé avant son passage à travers le refroidisseur, lesdits moyens d'extrusion réagissant au signal de sortie.15. Device according to claim 14, comprising means for extruding a coating around a preformed cable before its passage through the cooler, said extrusion means reacting to the output signal. 16. Dispositif selon l'une quelconque des revendications 13 à 15, dans lequel les moyens de guidage comprennent des moyens pour faire mouvoir le câble extrudé à des vitesses variables à travers le refroidisseur, lesdits moyens pour faire mouvoir le câble réagissant au signal de sortie.16. Device according to any one of claims 13 to 15, wherein the guide means comprise means for moving the extruded cable at variable speeds through the cooler, said means for moving the cable reacting to the output signal . 55 1010 1515 2020 2525 3030 3535 4040 4545 5050 5555 6060 6565 33
CH1278/90A 1989-02-28 1990-04-12 Cooler and extruder. CH682778A5 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB898904592A GB8904592D0 (en) 1989-02-28 1989-02-28 Manufacture of insulated cable

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Publication Number Publication Date
CH682778A5 true CH682778A5 (en) 1993-11-15

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CH1278/90A CH682778A5 (en) 1989-02-28 1990-04-12 Cooler and extruder.

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GB (2) GB8904592D0 (en)

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WO2005015577A1 (en) * 2003-07-25 2005-02-17 Pirelli & C. S.P.A. Continuous process for manufacturing electrical cables

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CN104057598B (en) * 2014-06-09 2016-09-21 丹阳市伟鹤祥线缆制造有限公司 A kind of dual-layer cycle cooling device producing Halogen crosslinking line extruder
CN107186984A (en) * 2017-06-30 2017-09-22 浙江宏策电缆有限公司 Cable plastic extrusion shaped device
WO2022187739A1 (en) * 2021-03-05 2022-09-09 Felix Sorkin U-shaped extrusion line

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DE3434904C1 (en) * 1984-09-22 1985-10-17 Hermann Berstorff Maschinenbau Gmbh, 3000 Hannover Method and system for monitoring the dimensions of a continuously extruded profile strip made of rubber or thermoplastic material consisting of one or more mixtures

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Publication number Priority date Publication date Assignee Title
WO2005015577A1 (en) * 2003-07-25 2005-02-17 Pirelli & C. S.P.A. Continuous process for manufacturing electrical cables
WO2005015576A1 (en) * 2003-07-25 2005-02-17 Prysmian Cavi E Sistemi Energia S.R.L. Continuous process for manufacturing electrical cables
US7459635B2 (en) 2003-07-25 2008-12-02 Prysmian Cavi E Sistemi Energia S.R.L. Continuous process for manufacturing electrical cables
CN100511494C (en) * 2003-07-25 2009-07-08 普雷斯曼电缆及系统能源有限公司 Continuous process for manufacturing electrical cables
CN100514509C (en) * 2003-07-25 2009-07-15 普雷斯曼电缆及系统能源有限公司 Continuous process for manufacturing electric cables
AU2003294942B2 (en) * 2003-07-25 2009-07-23 Prysmian Cavi E Sistemi Energia S.R.L. Continuous process for manufacturing electrical cables

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GB8904592D0 (en) 1989-04-12
GB2233123A (en) 1991-01-02
GB2233123B (en) 1993-11-10

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