ATE163105T1 - ELECTRICAL CABLES - Google Patents

ELECTRICAL CABLES

Info

Publication number
ATE163105T1
ATE163105T1 AT94304203T AT94304203T ATE163105T1 AT E163105 T1 ATE163105 T1 AT E163105T1 AT 94304203 T AT94304203 T AT 94304203T AT 94304203 T AT94304203 T AT 94304203T AT E163105 T1 ATE163105 T1 AT E163105T1
Authority
AT
Austria
Prior art keywords
layer
laminate
screening
sheath
damage
Prior art date
Application number
AT94304203T
Other languages
German (de)
Inventor
Anthony Charles Dawson
Mark Davenport
Mervyn John Davies
Original Assignee
Bicc Plc
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
Priority claimed from GB939312065A external-priority patent/GB9312065D0/en
Priority claimed from GB939315593A external-priority patent/GB9315593D0/en
Application filed by Bicc Plc filed Critical Bicc Plc
Application granted granted Critical
Publication of ATE163105T1 publication Critical patent/ATE163105T1/en

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
    • H01B7/295—Protection against damage caused by extremes of temperature or by flame using material resistant to flame

Landscapes

  • Insulated Conductors (AREA)
  • Resistance Heating (AREA)
  • Organic Insulating Materials (AREA)
  • Manufacturing Of Electric Cables (AREA)
  • Insulating Bodies (AREA)

Abstract

An electric cable with limited fire survival characteristics comprises at least one insulated conductor insulated with silicone rubber or other organic insulant that leaves an insulating inorganic residue on thermal breakdown and optionally a bare earth wire. A screening layer is formed by a laminate comprising a centre layer of mineral fibre cloth having one face formed by a layer of metal foil and the the other by a layer of organic material infusible below 200 DEG C, preferably regenerated cellulose or cured isophalate polyester film. An extruded sheath of flame-retardant polymeric material contacts, but does not adhere to, the infusible film layer of the laminate. This separation of the screening layer from the sheath ensures that it can be cut back for termination with negligible risk of damage to the conductor insulation and minimal risk of damage to the essential metal layer of the screening laminate. After it has been so cut back, the projecting end of the laminate may be turned back over the cut end of the sheath to expose a metal layer that is sufficiently supported to make an effective screen connection by mechanical means.
AT94304203T 1993-06-11 1994-06-10 ELECTRICAL CABLES ATE163105T1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB939312065A GB9312065D0 (en) 1993-06-11 1993-06-11 Electric cables
GB939315593A GB9315593D0 (en) 1993-07-28 1993-07-28 Electric cables

Publications (1)

Publication Number Publication Date
ATE163105T1 true ATE163105T1 (en) 1998-02-15

Family

ID=26303046

Family Applications (1)

Application Number Title Priority Date Filing Date
AT94304203T ATE163105T1 (en) 1993-06-11 1994-06-10 ELECTRICAL CABLES

Country Status (4)

Country Link
EP (1) EP0628972B1 (en)
AT (1) ATE163105T1 (en)
AU (1) AU676036B2 (en)
DE (1) DE69408369T2 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9707300D0 (en) 1997-04-10 1997-05-28 Plastic Insulated Cables Ltd Communications cable
DE10051962A1 (en) * 2000-10-20 2002-05-02 Alcatel Sa Insulated electrical conductor with functional integrity in the event of a fire
DE10203900A1 (en) 2002-01-31 2003-08-14 Nexans Electrical line

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1500121A (en) * 1976-01-09 1978-02-08 Pirelli General Cable Works Fire resistant electric cables
GB2050041B (en) * 1979-05-30 1983-02-02 Pirelli General Cable Works Fire resistant cable
EP0334535A3 (en) * 1988-03-23 1990-12-05 PIRELLI GENERAL plc Electrical cable manufacture

Also Published As

Publication number Publication date
EP0628972B1 (en) 1998-02-04
AU6450194A (en) 1994-12-15
AU676036B2 (en) 1997-02-27
DE69408369T2 (en) 1998-06-10
EP0628972A2 (en) 1994-12-14
DE69408369D1 (en) 1998-03-12
EP0628972A3 (en) 1995-02-22

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties