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ES407638A1 - Cables - Google Patents

Cables

Info

Publication number
ES407638A1
ES407638A1 ES407638A ES407638A ES407638A1 ES 407638 A1 ES407638 A1 ES 407638A1 ES 407638 A ES407638 A ES 407638A ES 407638 A ES407638 A ES 407638A ES 407638 A1 ES407638 A1 ES 407638A1
Authority
ES
Spain
Prior art keywords
conductor
blowing agent
gas
cellular
isolations
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
ES407638A
Other languages
Spanish (es)
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.)
Nokia Spain SA
Original Assignee
Alcatel Espana SA
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 Alcatel Espana SA filed Critical Alcatel Espana SA
Publication of ES407638A1 publication Critical patent/ES407638A1/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
    • H01B11/00—Communication cables or conductors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/02—Disposition of insulation
    • H01B7/0208—Cables with several layers of insulating material
    • H01B7/0216—Two layers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/02—Disposition of insulation
    • H01B7/0233—Cables with a predominant gas dielectric
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
    • H01B7/282—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable
    • H01B7/285—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable by completely or partially filling interstices in the cable

Landscapes

  • Processes Specially Adapted For Manufacturing Cables (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Insulated Conductors (AREA)
  • Communication Cables (AREA)

Abstract

Improvements in the methods of manufacturing cellular isolations characterized by a method that comprises the extrusion operations of a plastic material, which contains a blowing agent, on a conductor at a temperature lower than that in which the blowing agent is released from its gas and the heating of the conductor by the passage of current through it, which causes the blowing agent next to the conductor to detach from the gas, causing the immediate insulation to the conductor to take on the cellular form, which is surrounded by a solid insulation layer. (Machine-translation by Google Translate, not legally binding)
ES407638A 1971-10-14 1972-10-14 Cables Expired ES407638A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4783571 1971-10-14

Publications (1)

Publication Number Publication Date
ES407638A1 true ES407638A1 (en) 1975-10-16

Family

ID=10446412

Family Applications (1)

Application Number Title Priority Date Filing Date
ES407638A Expired ES407638A1 (en) 1971-10-14 1972-10-14 Cables

Country Status (12)

Country Link
JP (1) JPS5234757B2 (en)
AR (1) AR197877A1 (en)
AU (1) AU476727B2 (en)
BE (1) BE790023A (en)
BR (1) BR7207184D0 (en)
CH (1) CH545529A (en)
DE (1) DE2249445A1 (en)
ES (1) ES407638A1 (en)
FR (1) FR2156229B1 (en)
GB (1) GB1344686A (en)
IT (1) IT987701B (en)
ZA (1) ZA725846B (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5351482A (en) * 1976-10-22 1978-05-10 Sumitomo Electric Ind Ltd Production of insulated wire with dense foamed coating
JPS613063Y2 (en) * 1977-07-07 1986-01-31
AU531473B2 (en) * 1977-12-16 1983-08-25 Sumitomo Electric Industries, Ltd. Foamed plastic insulated wire
JPS54109414U (en) * 1978-01-19 1979-08-01
FR2461340A1 (en) * 1979-07-09 1981-01-30 Cables De Lyon Geoffroy Delore CELL INSULATING ELECTRIC CABLE AND PROCESS FOR PREPARING THE SAME
DE3105228A1 (en) * 1981-02-13 1982-09-09 U.I. Lapp Kg, 7000 Stuttgart Electrical apparatus and machine connecting cable having particular mechanical resistance and flexibility
JPH0614325Y2 (en) * 1987-07-03 1994-04-13 東京電線工業株式会社 Coated wire
US5670748A (en) * 1995-02-15 1997-09-23 Alphagary Corporation Flame retardant and smoke suppressant composite electrical insulation, insulated electrical conductors and jacketed plenum cable formed therefrom
US6492453B1 (en) 1999-09-24 2002-12-10 Alphagary Corporation Low smoke emission, low corrosivity, low toxicity, low heat release, flame retardant, zero halogen polymeric compositions
DE60125948T2 (en) * 2001-10-22 2007-08-30 Nexans Cable provided with an outer extrusion jacket and method of making the cable

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1147281B (en) * 1961-07-29 1963-04-18 Siemens Ag Core for telephone cables and high-frequency lines
FR1390712A (en) * 1963-05-09 1965-02-26 Dynamit Nobel Ag Insulation curing process for wires and cables
GB1104450A (en) * 1965-09-20 1968-02-28 British Insulated Callenders Improvements in or relating to telecommunication cables
FR1473905A (en) * 1965-11-09 1967-03-24 Ver Draht & Kabelwerke Ag Method for imparting high dielectric qualities to conductors comprising insulating coatings
FR1476408A (en) * 1966-04-19 1967-04-07 Furukawa Electric Co Ltd Process for the production at high speed of an electric wire coated with resin and apparatus for its implementation
GB1154886A (en) * 1967-03-23 1969-06-11 British Insulated Callenders Improvements in or relating to Telecommunication Cables

Also Published As

Publication number Publication date
ZA725846B (en) 1973-05-30
FR2156229B1 (en) 1976-05-21
DE2249445A1 (en) 1973-04-19
BE790023A (en) 1973-04-13
AR197877A1 (en) 1974-05-15
AU4724572A (en) 1974-04-04
GB1344686A (en) 1974-01-23
AU476727B2 (en) 1976-09-30
CH545529A (en) 1974-01-31
IT987701B (en) 1975-03-20
JPS4846885A (en) 1973-07-04
FR2156229A1 (en) 1973-05-25
JPS5234757B2 (en) 1977-09-05
BR7207184D0 (en) 1973-09-27

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