EP0014639B1 - Procédé pour préparer l'extrémité d'un câble coaxial souple à très haute fréquence pour la mise en place d'un élément de connecteur - Google Patents

Procédé pour préparer l'extrémité d'un câble coaxial souple à très haute fréquence pour la mise en place d'un élément de connecteur Download PDF

Info

Publication number
EP0014639B1
EP0014639B1 EP80400149A EP80400149A EP0014639B1 EP 0014639 B1 EP0014639 B1 EP 0014639B1 EP 80400149 A EP80400149 A EP 80400149A EP 80400149 A EP80400149 A EP 80400149A EP 0014639 B1 EP0014639 B1 EP 0014639B1
Authority
EP
European Patent Office
Prior art keywords
cable
braid
cut
sheath
high frequency
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
EP80400149A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0014639A1 (fr
Inventor
Jacques Cartier
Sébastien Givelet
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.)
Radiall Industrie Te Rosny-S SA
Original Assignee
Radiall 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 Radiall SA filed Critical Radiall SA
Publication of EP0014639A1 publication Critical patent/EP0014639A1/fr
Application granted granted Critical
Publication of EP0014639B1 publication Critical patent/EP0014639B1/fr
Expired legal-status Critical Current

Links

Images

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
    • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H01R24/38—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts
    • H01R24/40—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency
    • H01R24/56—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency specially adapted to a specific shape of cables, e.g. corrugated cables, twisted pair cables, cables with two screens or hollow cables
    • H01R24/562—Cables with two screens
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2103/00—Two poles
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49117—Conductor or circuit manufacturing
    • Y10T29/49123—Co-axial cable
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49117—Conductor or circuit manufacturing
    • Y10T29/49169—Assembling electrical component directly to terminal or elongated conductor
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49117—Conductor or circuit manufacturing
    • Y10T29/49174—Assembling terminal to elongated conductor
    • Y10T29/49179—Assembling terminal to elongated conductor by metal fusion bonding

Definitions

  • the present invention relates to a method for preparing the end of a flexible very high frequency coaxial cable for the installation of a connector element.
  • More and more are used for the transmission of energy at very high frequency, for example of the order of 18 GHz, to replace relatively rigid coaxial elements which do not lend themselves to many applications, in particular in aeronautics, cables flexible coaxial.
  • Such flexible coaxial cables usable at very high frequencies usually comprise a central stranded conductor, in particular made of silver-plated copper, and two external conductors, the first formed from a ribbon wound in particular out of silver-plated copper, the second of a braid also out of silver-plated copper on the outside of the ribbon. Between the central conductor and the first external conductor is disposed a dielectric, in particular aerated or solid polytetrafluorethylene (PTFE). Finally, around the second external conductor is an external sheath, in particular in extruded PRFE, providing mechanical and chemical protection of the cable. This sheath also keeps the ribbon constituting the first external conductor wound at the ends of the cable.
  • PTFE polytetrafluorethylene
  • the coiled ribbon constituting the first external conductor allows continuity which ensures low losses and good screen efficiency.
  • the second outer conductor in the form of a braid reduces the resistive losses at low frequencies when the penetration of the currents (skin effect) is greater than the thickness of the ribbon.
  • the braid mechanically protects the ribbon during the sheath extrusion operation.
  • the braid also serves as mechanical reinforcement for the cable.
  • the present invention proposes to carry out a process for preparing the end of such a flexible coaxial cable at very high frequency, for the installation of a connector element, easy and quick to implement, making it possible to carry out between the cable and the connector a connection retaining the high frequency characteristics of the cable and resistant to the mechanical stresses exerted on the cable relative to the connector.
  • the method according to the invention is essentially characterized by the fact that the end of the cable is first punched in several notches, in particular two or four, through the outer sheath so as to permanently deform the wound ribbon. Then, cut and remove a section of the outer sheath, cut the braid to the right of the cut end of the sheath to strip a certain length of wound tape, cut and remove another section of the outer sheath at beyond the cut end of the braid so as to strip a certain length thereof, a sleeve having an end flange is introduced under the braid, a ferrule is placed on the sheath and the stripped part of the braid to crimp, crimp the ferrule, weld the sleeve at its end flange on the wound ribbon, after which the part of the ribbon is unwound beyond the flange of the sleeve and the ribbon is cut and then the dielectric flush with said flange leaving an inner conductor section exposed.
  • the end of the cable thus prepared is then placed in a conventional connector element, by placing on the stripped central conductor of the end of the cable an insulator bearing against the flange of the sleeve, by mounting the central contact of the connector on the central conductor resting on the insulation, by soldering the central contact to the central conductor and then mounting the end of the cable fitted with such a connector end piece in the body of the connector, the assembly being immobilized by screwing a rear plug.
  • a very high frequency coaxial cable which comprises: a central conductor 1 of silver copper, multi-strand, for example with 7 or 19 strands; a dielectric 2 such as polytetrafluoroethylene (PTFE) with an aerated or solid structure, an aerated structure being preferred insofar as it makes it possible to reduce the high frequency losses compared to a solid structure; a first outer conductor 3 in the form of a ribbon wound in silvery copper; a second outer conductor in the form of a silver copper braid 4; and an external protective sheath, for example made of extruded PTFE 5.
  • PTFE polytetrafluoroethylene
  • the turns of ribbon 3 overlap by almost 50%.
  • the winding of these turns is very tight and must be kept very tight to maintain the microwave characteristics of the cable.
  • a turn of the ribbon makes poor contact with the adjacent turn, this causes a discontinuity in the coaxial line which results in an increase in the losses and the reflection coefficient.
  • Such flexible very high frequency coaxial cables are currently produced by way of example by the company FILECA under the reference F 1703/53.
  • the end of the cable is punched in two or preferably four notches 15 through the external sheath 5 of the cable. This has the effect of permanently deforming the wound ribbon 3, subsequently preventing it from unwinding. This punching also provokes a reduction in the outside diameter of the ribbon, which is subsequently found to be very useful for mounting the sleeve as will be explained below.
  • a metal sleeve 6 is then introduced, provided with an end flange 7 under the braid part 4 which has been stripped. Care should be taken to ensure that the clearance between the sleeve 6 and the tape 3 is as small as possible.
  • a crimp ferrule 8 is then introduced via the other end of the cable until it abuts against the flange 7 of the sleeve 6.
  • the ferrule 8 can be introduced on the cable by the same end before the introduction of the sleeve 6.
  • the ferrule 8 is crimped which on the one hand ensures the tightening of the braid 4 between the sleeve 6 and the ferrule, that is to say between two rigid parts, and on the other hand the tightening of the outer sheath 5.
  • Such an assembly provides effective mechanical immobilization of the sleeve 6 on the cable and keeps the ribbon 3 wound beyond the flange of the sleeve due to the guidance and tightening of the end of the sheath.
  • the end of the sleeve 6 comes almost to the right of the end of the sheath 5 so as not to leave a turn of the ribbon without external mechanical support.
  • the sleeve 6 is then welded to the tape 3. This welding has only an electrical role and does not mechanically immobilize the sleeve 6 on the tape 3.
  • the ribbon 3 is then unrolled and cut flush with the flange 7 of the sleeve. To do this, it is possible to carry out a breakthrough on the ribbon beforehand so that the latter can then be easily torn flush with the flange 7 of the sleeve. To complete the preparation of the end of the cable, it suffices to cut the dielectric 2 flush with the sleeve and the prepared end is obtained as shown in FIG. 7 where a section of inner conductor 1 extends over beyond the flange 7 of the sleeve.
  • FIG. 8 shows the mounting of a cable end thus prepared in a connector element.
  • an insulator 10 is placed on the central conductor 1 stripped from the end of the cable, bearing against the flange 7.
  • the central contact 11 is then mounted on the central conductor 1 bearing on the insulator 10 and solder the central contact 11 on the central conductor 1 as indicated in 12.
  • the coaxial cable welded by its central conductor to the central contact, is then placed in a connector body 13 and the assembly is immobilized by screwing a rear plug 14.

Landscapes

  • Coupling Device And Connection With Printed Circuit (AREA)
EP80400149A 1979-01-31 1980-01-30 Procédé pour préparer l'extrémité d'un câble coaxial souple à très haute fréquence pour la mise en place d'un élément de connecteur Expired EP0014639B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7902468A FR2448238A1 (fr) 1979-01-31 1979-01-31 Procede pour preparer l'extremite d'un cable coaxial souple a tres haute frequence pour la mise en place d'un element de connecteur
FR7902468 1979-01-31

Publications (2)

Publication Number Publication Date
EP0014639A1 EP0014639A1 (fr) 1980-08-20
EP0014639B1 true EP0014639B1 (fr) 1984-04-25

Family

ID=9221423

Family Applications (1)

Application Number Title Priority Date Filing Date
EP80400149A Expired EP0014639B1 (fr) 1979-01-31 1980-01-30 Procédé pour préparer l'extrémité d'un câble coaxial souple à très haute fréquence pour la mise en place d'un élément de connecteur

Country Status (4)

Country Link
US (1) US4345370A (US20070244113A1-20071018-C00169.png)
EP (1) EP0014639B1 (US20070244113A1-20071018-C00169.png)
DE (1) DE3067600D1 (US20070244113A1-20071018-C00169.png)
FR (1) FR2448238A1 (US20070244113A1-20071018-C00169.png)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4517740A (en) * 1982-06-01 1985-05-21 Allied Corporation Method for grounding and terminating a cable
DE3377097D1 (en) * 1982-11-24 1988-07-21 Huber+Suhner Ag Pluggable connector and method of connecting it
FR2545289B1 (fr) * 1983-04-29 1985-08-16 Radiall Ind Procede pour preparer l'extremite d'un cable coaxial souple a tres haute frequence pour la mise en place d'un element de connecteur et manchon utilisable pour la mise en oeuvre du procede
US4700716A (en) * 1986-02-27 1987-10-20 Kasevich Associates, Inc. Collinear antenna array applicator
US4715251A (en) * 1986-08-04 1987-12-29 Amphenol Corporation Fiber optic cable preparation tool and method of preparing fiber optic cable for termination with a fiber optic connector
DE4116165A1 (de) * 1991-05-17 1992-11-19 Minnesota Mining & Mfg Verfahren zum aufbringen von lot auf die abschirmung eines kabels
US5414211A (en) * 1992-12-21 1995-05-09 E-Systems, Inc. Device and method for shielding an electrically conductive cable from electromagnetic interference
US5829519A (en) * 1997-03-10 1998-11-03 Enhanced Energy, Inc. Subterranean antenna cooling system
US6273736B1 (en) * 1997-07-22 2001-08-14 Applied Materials, Inc. Safety guard for an RF connector
US6605783B1 (en) * 1997-10-14 2003-08-12 Fitel Usa Corp. Non-metallic transmission cables and method for terminating the same
US6579533B1 (en) 1999-11-30 2003-06-17 Bioasborbable Concepts, Ltd. Bioabsorbable drug delivery system for local treatment and prevention of infections
DE102005026068A1 (de) * 2005-06-07 2006-12-14 Robert Bosch Gmbh Sensoreinheit mit einem Anschlusskabel
TWM383805U (en) * 2010-02-10 2010-07-01 Li-Wen Liu Conductor with tip section and conduct-column, high conductivity and high energy saving cable, and high conductivity and high energy saving cable assembly
HUE045125T2 (hu) * 2016-05-04 2019-12-30 Md Elektronik Gmbh Kábel
JP6992978B2 (ja) * 2018-03-02 2022-01-13 日本圧着端子製造株式会社 同軸コネクタ

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR939178A (fr) * 1944-01-15 1948-11-05 Int Standard Electric Corp Perfectionnements aux jonctions pour câbles électriques à conducteurs coaxiaux
US2785385A (en) * 1955-02-23 1957-03-12 Liquidometer Corp Moistureproof means for connecting a coaxial cable to a fitting
US3054981A (en) * 1959-07-28 1962-09-18 Amphenol Borg Electronies Corp Coaxial connectors
US3150231A (en) * 1961-10-10 1964-09-22 Bendix Corp End structure for plural cable connection
US3192308A (en) * 1963-05-22 1965-06-29 Nu Line Ind Inc Electrical connector for braided coaxial cable
NL137270C (US20070244113A1-20071018-C00169.png) * 1966-07-26
US3500296A (en) * 1967-05-15 1970-03-10 Amp Inc Means and method for crimped high frequency connectors
US3573712A (en) * 1967-10-09 1971-04-06 Schroeder John Solderless coaxial connectors
US3646502A (en) * 1970-08-24 1972-02-29 Bunker Ramo Connector element and method for element assembly
US4070751A (en) * 1977-01-12 1978-01-31 Amp Incorporated Method of making a coaxial connector
US4173385A (en) * 1978-04-20 1979-11-06 Bunker Ramo Corporation Watertight cable connector

Also Published As

Publication number Publication date
DE3067600D1 (en) 1984-05-30
FR2448238B1 (US20070244113A1-20071018-C00169.png) 1981-03-06
EP0014639A1 (fr) 1980-08-20
US4345370A (en) 1982-08-24
FR2448238A1 (fr) 1980-08-29

Similar Documents

Publication Publication Date Title
EP0014639B1 (fr) Procédé pour préparer l'extrémité d'un câble coaxial souple à très haute fréquence pour la mise en place d'un élément de connecteur
FR2667448A1 (fr) Connecteur soude pour cable coaxial blinde.
EP2146395B1 (fr) Manchon de connexion d'un câble supraconducteur et terminaison de connexion au moyen de ce manchon
CA2088215C (fr) Cable electrique haute frequence
EP0308845B1 (fr) Borne de raccordement électrique de fils sans dénudage préalable
EP2273618A1 (fr) Dispositif de connexion à sertir pour câble électrique et procédé de fabrication d'un tel dispositif
FR2503476A1 (fr) Procede de depose d'une gaine protectrice sur l'extremite d'un cable electrique et dispositif pour la mise en oeuvre de celui-ci
FR2667449A1 (fr) Connecteur pour un cable coaxial blinde.
EP0125172B1 (fr) Procédé pour préparer l'extrémité d'un câble coaxial souple à très haute fréquence pour la mise en place d'un élément de connecteur et manchon utilisable pour la mise en oeuvre du procédé
EP0290343A1 (fr) Assemblage comprenant une gaine souple et des raccords visses
EP0669677B1 (fr) Dispositif de connexion électrique pour écrans de câbles conducteurs, et procédé pour sa mise en oeuvre
FR2842660A1 (fr) Procede de sertissage d'un contact sur des brins d'un cable
CA1248192A (fr) Element de raccordement entre un conducteur electrique et un contact de connecteur
FR2916089A1 (fr) Connecteur pour cable coaxial a ame cylindrique creuse
EP3024092A1 (fr) Assemblage d'un ensemble de raccordement électrique
EP0258133B1 (fr) Dispositif de raccordement d'une antenne, notamment pour véhicule automobile, avec son câble coaxial associé
FR2524722A1 (fr) Dispositif de coudage d'un cable souple coaxial
EP0862801B1 (fr) Piece de raccordement electrique
FR2958807A1 (fr) Dispositif de connexion de deux cables supraconducteurs
FR2579379A1 (fr) Element de raccordement entre un conducteur electrique et un contact de connecteur
FR2551927A1 (fr) Dispositif de blindage electromagnetique de jonction
FR2638574A1 (fr) Procede et dispositif de liaison coaxiale hyperfrequence
EP0407284A1 (fr) Dispositif d'ancrage pour câble multicouche à circuit de télécommunication incorporé
FR2691296A1 (fr) Câble coaxial à extrémité d'âme centrée, son procédé de réalisation, et dispositif pour la mise en Óoeuvre dudit procédé.
CA2238260C (fr) Piece de raccordement electrique

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Designated state(s): BE CH DE GB IT NL SE

ITCL It: translation for ep claims filed

Representative=s name: MODIANO & ASSOCIATI S.R.L.

17P Request for examination filed

Effective date: 19801222

DET De: translation of patent claims
RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: RADIALL SOCIETE ANONYME DITE:

ITF It: translation for a ep patent filed

Owner name: JACOBACCI & PERANI S.P.A.

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Designated state(s): BE CH DE GB IT NL SE

REF Corresponds to:

Ref document number: 3067600

Country of ref document: DE

Date of ref document: 19840530

BECN Be: change of holder's name

Effective date: 19840425

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: SE

Payment date: 19841231

Year of fee payment: 6

Ref country code: BE

Payment date: 19841231

Year of fee payment: 6

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed
REG Reference to a national code

Ref country code: CH

Ref legal event code: PFA

Free format text: RADIALL INDUSTRIE

ITPR It: changes in ownership of a european patent

Owner name: CAMBIO RAGIONE SOCIALE;RADIALL INDUSTRIE

NLT1 Nl: modifications of names registered in virtue of documents presented to the patent office pursuant to art. 16 a, paragraph 1

Owner name: SOCIETE ANONYME DITE: RADIALL INDUSTRIE TE ROSNY-S

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: NL

Payment date: 19860131

Year of fee payment: 7

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SE

Effective date: 19870131

BERE Be: lapsed

Owner name: RADIALL INDUSTRIE S.A.

Effective date: 19870131

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: NL

Effective date: 19870801

NLV4 Nl: lapsed or anulled due to non-payment of the annual fee
PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: BE

Effective date: 19890131

ITTA It: last paid annual fee
PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 19950105

Year of fee payment: 16

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: CH

Payment date: 19950130

Year of fee payment: 16

EUG Se: european patent has lapsed

Ref document number: 80400149.3

Effective date: 19870923

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 19950206

Year of fee payment: 16

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Effective date: 19960130

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: CH

Effective date: 19960131

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 19960130

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Effective date: 19961101