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GB1299361A - Improvements in or relating to telecommunication cables - Google Patents

Improvements in or relating to telecommunication cables

Info

Publication number
GB1299361A
GB1299361A GB2813970A GB2813970A GB1299361A GB 1299361 A GB1299361 A GB 1299361A GB 2813970 A GB2813970 A GB 2813970A GB 2813970 A GB2813970 A GB 2813970A GB 1299361 A GB1299361 A GB 1299361A
Authority
GB
United Kingdom
Prior art keywords
sheath
core
polyethylene
conductors
insulated
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
GB2813970A
Inventor
John Hollinghurst
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.)
Balfour Beatty PLC
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
Application filed by BICC PLC filed Critical BICC PLC
Priority to GB2813970A priority Critical patent/GB1299361A/en
Priority to DE19712128952 priority patent/DE2128952A1/en
Publication of GB1299361A publication Critical patent/GB1299361A/en
Priority to MY7300498A priority patent/MY7300498A/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
    • 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
    • H01B7/2825—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable using a water impermeable sheath
    • 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
    • H01B7/17—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
    • 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

Landscapes

  • Insulated Conductors (AREA)

Abstract

1299361 Cables BRITISH INSULATED CALLENDERS CABLES Ltd 9 June 1971 [10 June 1970] 28139/70 Addition to 1154886 Heading H1A A telecommunications cable has a core, comprising a plurality of insulated conductors, enclosed within a waterproof sheath which is pervious to a water-impermeable medium which fills the interstices between the conductors, a substantially non-hygroscopic separating layer which is impervious to the medium, being arranged between the core and the sheath. The separating layer comprises a linear polyester tape having a layer or coating that will bond to the sheath at or below the extrusion temperature of the sheath. Copper conductors each insulated with polyethylene form a core, the interstices between the conductors being filled with petroleum jelly. A polyethylene sheath is extruded over a layer consisting of polyethylene/"Melinen S" (Registered Trade Mark)/polyethylene triple laminate tape wrapped helically about the core. A galvanized steel wire armouring and a polyvinyl chloride oversheath may also be provided. The linear polyester may be "Mylar" (Registered Trade Mark) and the tape constituting the separating layer may be longitudinally applied.
GB2813970A 1970-06-10 1970-06-10 Improvements in or relating to telecommunication cables Expired GB1299361A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB2813970A GB1299361A (en) 1970-06-10 1970-06-10 Improvements in or relating to telecommunication cables
DE19712128952 DE2128952A1 (en) 1970-06-10 1971-06-09 Telecommunication cables
MY7300498A MY7300498A (en) 1970-06-10 1973-12-31 Improvements in or relating to telecommunication cables

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2813970A GB1299361A (en) 1970-06-10 1970-06-10 Improvements in or relating to telecommunication cables

Publications (1)

Publication Number Publication Date
GB1299361A true GB1299361A (en) 1972-12-13

Family

ID=10270872

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2813970A Expired GB1299361A (en) 1970-06-10 1970-06-10 Improvements in or relating to telecommunication cables

Country Status (3)

Country Link
DE (1) DE2128952A1 (en)
GB (1) GB1299361A (en)
MY (1) MY7300498A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0250182A1 (en) * 1986-06-20 1987-12-23 Nortel Networks Corporation Telecommunications cable including tensile members
US7182561B2 (en) 2001-12-14 2007-02-27 Newfrey Llc Blind rivet with steal

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2032678B (en) * 1978-10-27 1983-04-27 Nordiske Kabel Traad Electric power conductive cable

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0250182A1 (en) * 1986-06-20 1987-12-23 Nortel Networks Corporation Telecommunications cable including tensile members
US7182561B2 (en) 2001-12-14 2007-02-27 Newfrey Llc Blind rivet with steal

Also Published As

Publication number Publication date
MY7300498A (en) 1973-12-31
DE2128952A1 (en) 1971-12-16

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee