EP0016340B1 - Dispositif de raccordement entre les conducteurs extérieurs de deux paires coaxiales - Google Patents

Dispositif de raccordement entre les conducteurs extérieurs de deux paires coaxiales Download PDF

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Publication number
EP0016340B1
EP0016340B1 EP80100793A EP80100793A EP0016340B1 EP 0016340 B1 EP0016340 B1 EP 0016340B1 EP 80100793 A EP80100793 A EP 80100793A EP 80100793 A EP80100793 A EP 80100793A EP 0016340 B1 EP0016340 B1 EP 0016340B1
Authority
EP
European Patent Office
Prior art keywords
shells
coaxial
conductor
metal
sleeve
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
EP80100793A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0016340A1 (fr
Inventor
Jean Duret
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.)
Cables de Lyon SA
Original Assignee
Cables de Lyon SA
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 Cables de Lyon SA filed Critical Cables de Lyon SA
Publication of EP0016340A1 publication Critical patent/EP0016340A1/fr
Application granted granted Critical
Publication of EP0016340B1 publication Critical patent/EP0016340B1/fr
Expired legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
    • H01R9/03—Connectors arranged to contact a plurality of the conductors of a multiconductor cable, e.g. tapping connections
    • H01R9/05—Connectors arranged to contact a plurality of the conductors of a multiconductor cable, e.g. tapping connections for coaxial cables
    • H01R9/0503—Connection between two cable ends

Definitions

  • the present invention relates to a connection device between the external conductors of two coaxial pairs, with axial conductor and external conductor, at least one of which is a coaxial cable, comprising two metal half-shells provided in the internal part of each of them of grooves in which are inserted insulating washers and comprising chamfered ends, provided with longitudinal slots and disposed between the ends of the outer conductors, a sleeve covering said half-shells, provided at one end with a tapping, and a screw clamping threaded on the corresponding outer conductor and screwing onto said end of the sleeve so as to clamp by means of a conical ring one end of the half-shells.
  • Such a device is known, for example from document FR-A 22 19 553.
  • the sleeve is provided with a thread at each of its ends, and a clamping screw is screwed into each of them.
  • a clamping screw is screwed into each of them.
  • the object of the present invention is to remedy these drawbacks and to provide a simpler, less expensive connection device which is quick and safer to assemble.
  • the device according to the invention is characterized in that the other end of said sleeve is machined internally according to a frustoconical profile of conicity corresponding to that of the corresponding end of the half-shells, and in that it comprises, in the part internal of the end of the metal half-shells, outside the housing groove of an insulating washer, and around the end of the conductor, a metal ring for clamping the external conductor against the half-shell.
  • the device of Figure 1 connects two coaxial cables 1 and 2, the second being shown in axial section. These include an axial conductor such as 3 and an external conductor such as 4, separated by an insulator 4A and connected from place to place by insulating spacer discs 5.
  • the device comprises an outer sleeve 6, made of light alloy (homogeneous with the aluminum of the coaxial cable conductors), provided at one of its ends (here its left end) with a thread 7, into which a hollow clamping screw 8 made of the same light alloy is screwed by means of a conical ring 9 the conical end 10 of the half-shells 11.
  • the light alloy half-shells 11 are provided in their center with an insulating washer for centering the conductors 12, made of polytetrafluoroethylene, housed in an internal groove 13.
  • the axial conductors are connected to each other by a solder, a weld, or a crimp 14, in a known manner.
  • the half-shells are provided with insulating end washers 15 and 16, also made of polytetrafluoroethylene, housed in internal grooves 17 and 18, against which the insulators of the cables.
  • the sleeve 6 has a frustoconical inner part 19, against which the frustoconical end 20 of the half-shells abuts under the effect of tightening by the screw 8.
  • the sleeve 6 is a relatively simple piece, having only one thread, and that the tightening of the device is ensured by a single screw 8, pressing on the half-shells by a single conical ring 9.
  • the fitting is simpler and less bulky than a known connector with two clamping screws.
  • the left part of the figure, on the side of the coaxial cable, is similar to the right part of FIG. 1.
  • the frustoconical end 20 of the half shells is pressed against the frustoconical internal part 19 of the sleeve.
  • the coaxial repeater cord comprises an axial conductor 3A and an external conductor 5A, separated by an insulator 25.
  • the end of the insulator engages in the bore of the end piece 22, made of tinned brass (homogeneous with copper tinned from the braid of the outer conductor), which is provided with two O-rings 23, arranged in internal grooves 24, ensuring pneumatic sealing.
  • the right end of the end piece is soldered to tin at 26 on the braid forming the outer conductor of the coaxial cord. At its other end, the end piece is inserted inside the half-shells 11, abutting on the insulating end washer 15.
  • the end of the coaxial cord is also surrounded by an adhesive heat-shrinkable sleeve 27, which also encloses the end of the end-piece, a stretched self-welding tape 28 surrounding the insulation of the coaxial cord up to the inside of the end-piece 22.
  • the end piece 22 has the essential role of ensuring electrical continuity between the external conductor of the coaxial repeater cord and the half-shells. But it also ensures dimensional adaptation of the outer conductor, a mechanical reinforcement providing the necessary resistance to the pressure due to ser - rabies on the end of the coaxial cable, and the longitudinal sealing tire, with its O-rings and the adhesive heat-shrink tubing.
  • the difference in diameter between the axial conductors of the coaxial cable and of the coaxial repeater cord, in its part beyond the insulating washer 15, is compensated for by surrounding the axial conductor of the repeater cord with an adapter sheath 29 in bronze, which is soldered or brazed with the axial conductor 3A on the end of the axial conductor of the coaxial cable at 14.
  • Capacitive compensation can be provided by arranging around an adapter sleeve, next to the insulating washer 15, one or more split discs 30 made of polyethylene or polytetrafluoroethylene.

Landscapes

  • Coupling Device And Connection With Printed Circuit (AREA)
  • Multi-Conductor Connections (AREA)
  • Cable Accessories (AREA)
EP80100793A 1979-02-23 1980-02-18 Dispositif de raccordement entre les conducteurs extérieurs de deux paires coaxiales Expired EP0016340B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7904658 1979-02-23
FR7904658A FR2449981A1 (fr) 1979-02-23 1979-02-23 Dispositif de raccordement entre les conducteurs exterieurs de deux paires coaxiales

Publications (2)

Publication Number Publication Date
EP0016340A1 EP0016340A1 (fr) 1980-10-01
EP0016340B1 true EP0016340B1 (fr) 1983-09-21

Family

ID=9222372

Family Applications (1)

Application Number Title Priority Date Filing Date
EP80100793A Expired EP0016340B1 (fr) 1979-02-23 1980-02-18 Dispositif de raccordement entre les conducteurs extérieurs de deux paires coaxiales

Country Status (6)

Country Link
US (1) US4493946A (enrdf_load_stackoverflow)
EP (1) EP0016340B1 (enrdf_load_stackoverflow)
JP (1) JPS55115273A (enrdf_load_stackoverflow)
CA (1) CA1132674A (enrdf_load_stackoverflow)
DE (1) DE3064865D1 (enrdf_load_stackoverflow)
FR (1) FR2449981A1 (enrdf_load_stackoverflow)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5888095A (en) * 1995-12-29 1999-03-30 Rally Manufacturing, Inc. Coaxial cable connector
US6217380B1 (en) 1999-06-08 2001-04-17 Commscope Inc. Of North Carolina Connector for different sized coaxial cables and related methods
US6809265B1 (en) * 2003-04-15 2004-10-26 Delphi Technologies, Inc. Terminal assembly for a coaxial cable
DE102008012591B4 (de) * 2008-02-15 2013-08-29 Rohde & Schwarz Gmbh & Co. Kg Koaxialleitung mit Stützscheiben

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2425959A (en) * 1942-07-18 1947-08-19 Rca Corp Coaxial line coupling
US3673314A (en) * 1971-02-22 1972-06-27 Northern Electric Co Cable connectors
BE795044A (nl) * 1972-02-08 1973-08-06 Philips Nv Verbinding van koaxiaalkabeleinden voor centrale antenne systemen
US3778535A (en) * 1972-05-12 1973-12-11 Amp Inc Coaxial connector
ES415597A1 (es) * 1972-06-26 1976-06-01 Standard Electrica Sa Mejoras en las juntas de empalme de los cables coaxiales.
FR2219553B1 (enrdf_load_stackoverflow) * 1973-02-26 1977-07-29 Cables De Lyon Geoffroy Delore
GB1424068A (en) * 1973-04-10 1976-02-04 Standard Telephones Cables Ltd Jointing arrangement for a coaxial core
GB1492978A (en) * 1975-05-23 1977-11-23 Post Office Coaxial cable joints and method of making same

Also Published As

Publication number Publication date
US4493946A (en) 1985-01-15
EP0016340A1 (fr) 1980-10-01
DE3064865D1 (en) 1983-10-27
CA1132674A (fr) 1982-09-28
FR2449981A1 (fr) 1980-09-19
JPS55115273A (en) 1980-09-05
FR2449981B1 (enrdf_load_stackoverflow) 1981-06-26

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