FR2414245A1 - Medium voltage fire-resistant electrical cable - has corrugated metallic sheath surrounding insulation layer to allow expansion of latter under effects of temp. - Google Patents

Medium voltage fire-resistant electrical cable - has corrugated metallic sheath surrounding insulation layer to allow expansion of latter under effects of temp.

Info

Publication number
FR2414245A1
FR2414245A1 FR7800411A FR7800411A FR2414245A1 FR 2414245 A1 FR2414245 A1 FR 2414245A1 FR 7800411 A FR7800411 A FR 7800411A FR 7800411 A FR7800411 A FR 7800411A FR 2414245 A1 FR2414245 A1 FR 2414245A1
Authority
FR
France
Prior art keywords
insulation
metallic sheath
temp
electrical cable
insulation layer
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
FR7800411A
Other languages
French (fr)
Other versions
FR2414245B1 (en
Inventor
Michel Livak
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.)
CEAT STE FSE
Original Assignee
CEAT STE FSE
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 CEAT STE FSE filed Critical CEAT STE FSE
Priority to FR7800411A priority Critical patent/FR2414245A1/en
Priority to IT69897/78A priority patent/IT1160969B/en
Priority to BE1009224A priority patent/BE873313Q/en
Publication of FR2414245A1 publication Critical patent/FR2414245A1/en
Application granted granted Critical
Publication of FR2414245B1 publication Critical patent/FR2414245B1/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
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/29—Protection against damage caused by extremes of temperature or by flame
    • 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
    • H01B7/2855—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable by completely or partially filling interstices in the cable using foamed plastic
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00—Adapting or protecting infrastructure or their operation
    • Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables

Landscapes

  • Insulated Conductors (AREA)

Abstract

The electrical cable is made up of conductor (10) covered by an extruded layer of crosslinked polyethylene insulation (12) enclosed in a metallic sheath (18). The metallic sheath (18) is arranged around the insulation (12) so that an expansion space is formed between the outer surface of the insulation and the inner surface of the sheath. The insulation is thus free to expand under the effects of temp. The expansion space is formed because the metallic sheath (18) is in the shape of a longitudinal corrugated tube. Another form of sheath (18) has longitudinal corrugations as opposed to transverse corrugations. The interior spaces formed by the corrugations allow the insulation to expand. Between the insulation (12) and the metallic expansion sheat (15) is a semiconducting layer (14).
FR7800411A 1978-01-09 1978-01-09 Medium voltage fire-resistant electrical cable - has corrugated metallic sheath surrounding insulation layer to allow expansion of latter under effects of temp. Granted FR2414245A1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR7800411A FR2414245A1 (en) 1978-01-09 1978-01-09 Medium voltage fire-resistant electrical cable - has corrugated metallic sheath surrounding insulation layer to allow expansion of latter under effects of temp.
IT69897/78A IT1160969B (en) 1978-01-09 1978-12-20 ELECTRIC CABLE NOT FIRE PROPAGER
BE1009224A BE873313Q (en) 1978-01-09 1979-01-05 NON-FIRE PROPAGATOR ELECTRIC CABLE

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7800411A FR2414245A1 (en) 1978-01-09 1978-01-09 Medium voltage fire-resistant electrical cable - has corrugated metallic sheath surrounding insulation layer to allow expansion of latter under effects of temp.

Publications (2)

Publication Number Publication Date
FR2414245A1 true FR2414245A1 (en) 1979-08-03
FR2414245B1 FR2414245B1 (en) 1981-09-04

Family

ID=9203216

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7800411A Granted FR2414245A1 (en) 1978-01-09 1978-01-09 Medium voltage fire-resistant electrical cable - has corrugated metallic sheath surrounding insulation layer to allow expansion of latter under effects of temp.

Country Status (3)

Country Link
BE (1) BE873313Q (en)
FR (1) FR2414245A1 (en)
IT (1) IT1160969B (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0015369A1 (en) * 1979-03-05 1980-09-17 kabelmetal electro GmbH Electrical-power cable with synthetic watertight insulation, process for its manufacture and apparatus for carrying out this process
FR2465301A1 (en) * 1979-09-07 1981-03-20 Jeumont Schneider High tension electric cable - has screening wires embedded in sealing material to ensure water tightness even after local damage
EP0116754A1 (en) * 1983-02-11 1984-08-29 Cable Technology Laboratories, Inc. High voltage electric power cable with thermal expansion accommodation
FR2594601A1 (en) * 1986-02-12 1987-08-21 Hitachi Cable RADIANT COAXIAL CABLE, IN PARTICULAR FOR RADIOCOMMUNICATIONS IN HEDGED AREAS, HAVING FIRE RESISTANCE PROPERTIES
AT398498B (en) * 1991-03-28 1994-12-27 Tremmel Scheinost Heinz Ing Flame-resistant cable

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2283531A1 (en) * 1974-08-31 1976-03-26 Aeg Telefunken Kabelwerke Coaxial cable insulation with partially flexible insulation - as a self compensating seal for differential thermal expansion

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2283531A1 (en) * 1974-08-31 1976-03-26 Aeg Telefunken Kabelwerke Coaxial cable insulation with partially flexible insulation - as a self compensating seal for differential thermal expansion

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0015369A1 (en) * 1979-03-05 1980-09-17 kabelmetal electro GmbH Electrical-power cable with synthetic watertight insulation, process for its manufacture and apparatus for carrying out this process
FR2465301A1 (en) * 1979-09-07 1981-03-20 Jeumont Schneider High tension electric cable - has screening wires embedded in sealing material to ensure water tightness even after local damage
EP0116754A1 (en) * 1983-02-11 1984-08-29 Cable Technology Laboratories, Inc. High voltage electric power cable with thermal expansion accommodation
FR2594601A1 (en) * 1986-02-12 1987-08-21 Hitachi Cable RADIANT COAXIAL CABLE, IN PARTICULAR FOR RADIOCOMMUNICATIONS IN HEDGED AREAS, HAVING FIRE RESISTANCE PROPERTIES
AT398498B (en) * 1991-03-28 1994-12-27 Tremmel Scheinost Heinz Ing Flame-resistant cable

Also Published As

Publication number Publication date
IT1160969B (en) 1987-03-11
IT7869897A0 (en) 1978-12-20
BE873313Q (en) 1979-05-02
FR2414245B1 (en) 1981-09-04

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Legal Events

Date Code Title Description
CD Change of name or company name
TP Transmission of property