EP0802545A1 - Sternvierer mit Tragseele - Google Patents

Sternvierer mit Tragseele Download PDF

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Publication number
EP0802545A1
EP0802545A1 EP97400851A EP97400851A EP0802545A1 EP 0802545 A1 EP0802545 A1 EP 0802545A1 EP 97400851 A EP97400851 A EP 97400851A EP 97400851 A EP97400851 A EP 97400851A EP 0802545 A1 EP0802545 A1 EP 0802545A1
Authority
EP
European Patent Office
Prior art keywords
conductors
star
support member
central support
adhesive
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Withdrawn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
EP97400851A
Other languages
English (en)
French (fr)
Inventor
Martine Decorps
Jean Gombert
José Marchand
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.)
Sagem SA
Original Assignee
Societe Anonyme de Telecommunications SAT
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 Societe Anonyme de Telecommunications SAT filed Critical Societe Anonyme de Telecommunications SAT
Publication of EP0802545A1 publication Critical patent/EP0802545A1/de
Withdrawn legal-status Critical Current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
    • H01B11/005—Quad constructions

Definitions

  • the present invention relates to a fourth star.
  • the conductors must be twisted and the pitch must be all the shorter as the requested speed is high.
  • local networks are asked to transmit rates of 150 Mbits / s or even more by signals at frequencies of 100 MHz or more.
  • star quads comprising insulated conductors arranged in a cylindrical tube of extruded synthetic material.
  • the conductors In order for the conductors to be properly held, in particular during the handling of wiring during which several fourths are brought together to form a cable, it is necessary that the tube is fairly rigid and thick enough. Quarters of known structure are therefore difficult to handle.
  • Document DE-A-25 16 830 also discloses a quarter star in which non-insulated conductors are arranged in cells of a central rod and held in place in these cells by extruding around the conductors a dielectric material in which the conductors are embedded.
  • a quarter star in which non-insulated conductors are arranged in cells of a central rod and held in place in these cells by extruding around the conductors a dielectric material in which the conductors are embedded.
  • Document GB-A-389 118 also discloses a fourth star comprising insulated conductors fixed to a cylindrical-shaped carrier member with adhesive so as to maintain their respective positions.
  • the flexibility of such a quarter is good.
  • the precise positioning of the conductors when they are fixed to the carrier member is difficult because of the cylindrical shape of the latter.
  • a fourth star comprising four insulated conductors arranged at the top of a square, and fixed to a central support member by an adhesive, characterized in that the central support member comprises positioning cells.
  • the insulated conductors are not embedded in a mass of material and the resulting quarter retains flexibility allowing easy wiring with other quartes .
  • the positioning cells facilitate the precise placement of the conductors on the central support member.
  • the adhesive is a contact adhesive.
  • the insulated conductors are easily installed by simple passage in a die simultaneously ensuring their positioning and their pressurization against the adhesive previously disposed on the central support member.
  • the fourth star comprises, in a manner known per se, four conductors 1 isolated by a solid or cellular dielectric material 2 such as polyethylene, polypropylene, polyvinyl chloride or a fluorinated polymer.
  • a solid or cellular dielectric material 2 such as polyethylene, polypropylene, polyvinyl chloride or a fluorinated polymer.
  • the insulated conductors are fixed in the bottom of the cells 3 of a central support member 4 by an adhesive 5.
  • the adhesive 5 is a contact adhesive which is placed in the cells 4 of the central support member 3 prior to the installation of the insulated conductors.
  • the conductors are fixed to the central support member 3 over approximately a quarter of their circumference so that while being firmly fixed to the support member 3 in a precise position, the insulated conductors are not embedded in a mass of material. While having a precise structure, the quarter according to the invention thus retains flexibility allowing easy handling when wiring several quarters to make a transmission cable.
  • the pitch of the twist of the insulated conductors could easily be adapted to a particular application by producing a central support member comprising cells extending along a helix having a pitch corresponding to the pitch of twist desired for the insulated conductors.

Landscapes

  • Communication Cables (AREA)
EP97400851A 1996-04-19 1997-04-15 Sternvierer mit Tragseele Withdrawn EP0802545A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9604925 1996-04-19
FR9604925A FR2747830B1 (fr) 1996-04-19 1996-04-19 Quarte etoile a organe porteur central

Publications (1)

Publication Number Publication Date
EP0802545A1 true EP0802545A1 (de) 1997-10-22

Family

ID=9491374

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97400851A Withdrawn EP0802545A1 (de) 1996-04-19 1997-04-15 Sternvierer mit Tragseele

Country Status (2)

Country Link
EP (1) EP0802545A1 (de)
FR (1) FR2747830B1 (de)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1122569A1 (de) * 2000-02-02 2001-08-08 W.L. GORE & ASSOCIATES GmbH Viererkabel
WO2003094178A1 (en) * 2002-05-02 2003-11-13 Belden Technologies, Inc. Surfaced cable filler
WO2004021367A3 (en) * 2002-08-30 2004-07-29 Belden Technologies Inc Separable multi-member composite cable
US8198536B2 (en) 2005-12-09 2012-06-12 Belden Inc. Twisted pair cable having improved crosstalk isolation
US8455762B2 (en) 2004-11-17 2013-06-04 Belden Cdt (Canada) Inc. High performance telecommunications cable
US8497428B2 (en) 1996-04-09 2013-07-30 Belden Inc. High performance data cable
CN106920585A (zh) * 2017-04-07 2017-07-04 江苏帝诚线缆有限公司 一种带有抗碾压骨架的抗碾压综合控制线缆

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB389118A (en) * 1931-09-10 1933-03-10 John Richard Pheazey Improvements in or relating to electric signalling cables
GB1037855A (en) * 1963-04-10 1966-08-03 Standard Telephones Cables Ltd Quad construction

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB389118A (en) * 1931-09-10 1933-03-10 John Richard Pheazey Improvements in or relating to electric signalling cables
GB1037855A (en) * 1963-04-10 1966-08-03 Standard Telephones Cables Ltd Quad construction

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8497428B2 (en) 1996-04-09 2013-07-30 Belden Inc. High performance data cable
US8536455B2 (en) 1996-04-09 2013-09-17 Belden Inc. High performance data cable
WO2001057573A3 (en) * 2000-02-02 2001-12-13 Gore W L & Ass Gmbh Quad cable
GB2373626A (en) * 2000-02-02 2002-09-25 Gore W L & Ass Gmbh Quad cable
GB2373626B (en) * 2000-02-02 2004-07-21 Gore W L & Ass Gmbh Quad cable
EP1122569A1 (de) * 2000-02-02 2001-08-08 W.L. GORE & ASSOCIATES GmbH Viererkabel
WO2003094178A1 (en) * 2002-05-02 2003-11-13 Belden Technologies, Inc. Surfaced cable filler
US7049523B2 (en) 2002-08-30 2006-05-23 Belden Technologies, Inc. Separable multi-member composite cable
AU2003269974B2 (en) * 2002-08-30 2009-01-08 Belden Technologies, Inc. Separable multi-member composite cable
AU2003269974C1 (en) * 2002-08-30 2009-06-25 Belden Technologies, Inc. Separable multi-member composite cable
US7259332B2 (en) 2002-08-30 2007-08-21 Belden Technologies, Inc. Separable multi-member composite cable
WO2004021367A3 (en) * 2002-08-30 2004-07-29 Belden Technologies Inc Separable multi-member composite cable
US8455762B2 (en) 2004-11-17 2013-06-04 Belden Cdt (Canada) Inc. High performance telecommunications cable
US8198536B2 (en) 2005-12-09 2012-06-12 Belden Inc. Twisted pair cable having improved crosstalk isolation
CN106920585A (zh) * 2017-04-07 2017-07-04 江苏帝诚线缆有限公司 一种带有抗碾压骨架的抗碾压综合控制线缆

Also Published As

Publication number Publication date
FR2747830A1 (fr) 1997-10-24
FR2747830B1 (fr) 1998-05-22

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