EP0098233A2 - Unité de câblage en quarte pour un câble de télécommunication étanche longitudinalement - Google Patents

Unité de câblage en quarte pour un câble de télécommunication étanche longitudinalement Download PDF

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Publication number
EP0098233A2
EP0098233A2 EP83730055A EP83730055A EP0098233A2 EP 0098233 A2 EP0098233 A2 EP 0098233A2 EP 83730055 A EP83730055 A EP 83730055A EP 83730055 A EP83730055 A EP 83730055A EP 0098233 A2 EP0098233 A2 EP 0098233A2
Authority
EP
European Patent Office
Prior art keywords
hose
tight
telecommunication cable
stranding unit
quad stranding
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.)
Withdrawn
Application number
EP83730055A
Other languages
German (de)
English (en)
Other versions
EP0098233A3 (fr
Inventor
Peter Ing. Fröscher (grad.)
Erdal Dr. Ing. Gürkaynak
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.)
Siemens AG
Original Assignee
Siemens 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 Siemens AG filed Critical Siemens AG
Publication of EP0098233A2 publication Critical patent/EP0098233A2/fr
Publication of EP0098233A3 publication Critical patent/EP0098233A3/fr
Withdrawn legal-status Critical Current

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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
    • H01B11/02—Cables with twisted pairs or quads
    • 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

Definitions

  • the invention relates to a four-strand stranding for a longitudinally watertight communication cable with a central blind wire.
  • the dummy wire made of paper is the dielectric least favorable element.
  • the operating capacity of the line circuits is measurably increased by this dummy wire compared to a pure plastic structure.
  • the dummy wire consists of a thin-walled plastic tube which is constricted at short intervals, which have a length of up to 150 diameters, in such a way that liquid-tight sections are formed.
  • a central inlet is obtained, the dielectric values of which are favorably influenced by relatively large air inclusions and which is sealed off in a longitudinally water-tight manner due to its bamboo knot-like constrictions and, in addition, particularly well in the area of the constrictions, is able to absorb the applied filler material well.
  • the compact dummy cores it also has the advantage that it can be compressed at any thick spots on the cores of the quad or thick areas of the tube without difficulty, so that there is no danger that the quad formation will gap at such thick spots.
  • a tube as a dummy wire is preferred, the surface of which is rough, so as to achieve particularly good adhesion of the filling compound to be introduced into the inner gusset of the group of four when the cables are filled.
  • the cross-sectional ratio of the hose cavity to the hose wall will preferably be chosen so that its value is approximately 0.4 to 0.5. At this value, an effective dielectric constant c r of approximately 1.2 to 1.6 results for the dummy wire formed from the plastic tube, so that in this way values can be achieved which can now also be achieved with newer filling compounds.
  • the ratio of the wall thickness s to the outside diameter D of the hose results from the relationship
  • the thin-walled plastic hose is preferably made from polyethylene, polypropylene or polyurethane, because these plastics are predominantly used in cable technology and therefore the extrusion of these materials is particularly well mastered.
  • the four wires 11 consist of conductors 12 which are provided with plastic insulation 13. Due to the simplified representation, the conductors and the insulation are not cut hatched.
  • the symmetrical position of the wires relative to one another is fixed by a central inlet (dummy wire) 15, which is formed from a bamboo-like thin-walled plastic tube 16.
  • This tube is bamboo-like at short intervals, the length of which is approximately 2 to 5 diameters of the tube constricted in such a way that liquid-tight sections 17 are formed.
  • the walls 19 of the hose touch at the constriction points 18 in a watertight manner.
  • the surface of the hose is roughened so that, in addition to the constriction points 18, it is capable of absorbing the mass 20 to be filled in for the longitudinal water sealing of the four-strand assembly.
EP83730055A 1982-06-29 1983-06-15 Unité de câblage en quarte pour un câble de télécommunication étanche longitudinalement Withdrawn EP0098233A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3224594 1982-06-29
DE19823224594 DE3224594A1 (de) 1982-06-29 1982-06-29 Viererverseilverband fuer ein laengswasserdichtes nachrichtenkabel

Publications (2)

Publication Number Publication Date
EP0098233A2 true EP0098233A2 (fr) 1984-01-11
EP0098233A3 EP0098233A3 (fr) 1984-02-15

Family

ID=6167346

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83730055A Withdrawn EP0098233A3 (fr) 1982-06-29 1983-06-15 Unité de câblage en quarte pour un câble de télécommunication étanche longitudinalement

Country Status (2)

Country Link
EP (1) EP0098233A3 (fr)
DE (1) DE3224594A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1037638C (zh) * 1992-04-11 1998-03-04 刘剑鸣 具有通气回路的观测仪器电缆及其除潮方法
US6251261B1 (en) * 1998-06-25 2001-06-26 Institut Francais Du Petrole Catalyst that comprises a clay and an element of group VB, and its use in hydrocraking of petroleum feedstocks that contain hydrocarbon

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3640910A1 (de) * 1986-11-29 1988-06-01 Rheydt Kabelwerk Ag Laengswasserdichtes kabel mit einer gelartigen kabelfuellmasse
DE3640843A1 (de) * 1986-11-29 1988-06-09 Rheydt Kabelwerk Ag Laengswasserdichtes kabel

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2088104A7 (fr) * 1970-05-19 1972-01-07 Cables De Lyon Geoffroy Delore
GB1290886A (fr) * 1971-05-27 1972-09-27
US3766307A (en) * 1972-08-25 1973-10-16 D Andrews Buoyant electrical cables
US4110554A (en) * 1978-02-08 1978-08-29 Custom Cable Company Buoyant tether cable
GB2059669A (en) * 1979-09-21 1981-04-23 Bicc Ltd Improvement in or relating to telecommunication cables

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2088104A7 (fr) * 1970-05-19 1972-01-07 Cables De Lyon Geoffroy Delore
GB1290886A (fr) * 1971-05-27 1972-09-27
US3766307A (en) * 1972-08-25 1973-10-16 D Andrews Buoyant electrical cables
US4110554A (en) * 1978-02-08 1978-08-29 Custom Cable Company Buoyant tether cable
GB2059669A (en) * 1979-09-21 1981-04-23 Bicc Ltd Improvement in or relating to telecommunication cables

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1037638C (zh) * 1992-04-11 1998-03-04 刘剑鸣 具有通气回路的观测仪器电缆及其除潮方法
US6251261B1 (en) * 1998-06-25 2001-06-26 Institut Francais Du Petrole Catalyst that comprises a clay and an element of group VB, and its use in hydrocraking of petroleum feedstocks that contain hydrocarbon

Also Published As

Publication number Publication date
EP0098233A3 (fr) 1984-02-15
DE3224594A1 (de) 1983-12-29

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Inventor name: GUERKAYNAK, ERDAL, DR. ING.

Inventor name: FROESCHER, PETER, ING. (GRAD.)