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GB1169797A - Telecommunication Cable having Plastics-Insulated Cores and method of producing such a Cable - Google Patents

Telecommunication Cable having Plastics-Insulated Cores and method of producing such a Cable

Info

Publication number
GB1169797A
GB1169797A GB727367A GB727367A GB1169797A GB 1169797 A GB1169797 A GB 1169797A GB 727367 A GB727367 A GB 727367A GB 727367 A GB727367 A GB 727367A GB 1169797 A GB1169797 A GB 1169797A
Authority
GB
United Kingdom
Prior art keywords
plastics
cable
insulated
components
filler
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
GB727367A
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.)
Vereinigte Draht und Kabelwerke AG
Original Assignee
Vereinigte Draht und Kabelwerke AG
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 Vereinigte Draht und Kabelwerke AG filed Critical Vereinigte Draht und Kabelwerke AG
Publication of GB1169797A publication Critical patent/GB1169797A/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
    • H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
    • H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
    • H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
    • H01B3/44—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins
    • H01B3/441—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins from alkenes
    • 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
    • H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
    • H01B13/32—Filling or coating with impervious material
    • H01B13/329—Filling or coating with impervious material the material being a foam
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)

Abstract

1,169,797. Cables. VEREINIGTEN DRAHTUND KABELWERKE A.G. 15 Feb., 1967 [17 Feb., 1966; 27 April, 1966; 17 Dec., 1966; 19 Dec., 1966], No. 7273/67. Heading H1A. A telecommunications cable having a foamed plastics filler around its insulated cores to exclude moisture is laid up at a head 2 at which insulated conductors 1 and the components of the filler are supplied. Pipes 4 and 5 may supply to nozzle 3 a liquid plastics material or the components of a plastics former, both containing a blowing agent and the foam (such as a polyurethane formed from a poly ether and an isocyanate) is produced beneath insulation 6 after a suitable delay. The filler may take the form of spaced plugs at regular intervals along the length of the cable and may also be located between layers of sheathing. One or more of the components of the plastics former may be supplied in microcapsules which are later destroyed by applied heat or pressure to release the component/s beneath the insulation 6 which may be a non-resilient plastics foil such as a polyester foil. The cores (11) (Fig. 2, not shown) of insulated conductors 1 may be insulated by extruded polyethylene with colour coding applied to the surface of the insulation over which a transparent casing is applied. The casing may be formed from powdered polyethylene, electrostatically distributed before sintering.
GB727367A 1966-02-17 1967-02-15 Telecommunication Cable having Plastics-Insulated Cores and method of producing such a Cable Expired GB1169797A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DEK0058473 1966-02-17
DEK0059097 1966-04-27
DEV0032571 1966-12-17
DEV0032597 1966-12-19

Publications (1)

Publication Number Publication Date
GB1169797A true GB1169797A (en) 1969-11-05

Family

ID=27437154

Family Applications (1)

Application Number Title Priority Date Filing Date
GB727367A Expired GB1169797A (en) 1966-02-17 1967-02-15 Telecommunication Cable having Plastics-Insulated Cores and method of producing such a Cable

Country Status (1)

Country Link
GB (1) GB1169797A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3681510A (en) * 1970-05-04 1972-08-01 Northern Electric Co Filled cable core with foraminous core wrap
US5271081A (en) * 1992-06-18 1993-12-14 Halliburton Geophysical Services, Inc. Apparatus and method of blocking water migration between stranded signal conduits
US5814768A (en) * 1996-06-03 1998-09-29 Commscope, Inc. Twisted pairs communications cable

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3681510A (en) * 1970-05-04 1972-08-01 Northern Electric Co Filled cable core with foraminous core wrap
US5271081A (en) * 1992-06-18 1993-12-14 Halliburton Geophysical Services, Inc. Apparatus and method of blocking water migration between stranded signal conduits
US5814768A (en) * 1996-06-03 1998-09-29 Commscope, Inc. Twisted pairs communications cable

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees