EP0993079A2 - Connector for a coaxial cable having a corrugated shielding conductor - Google Patents

Connector for a coaxial cable having a corrugated shielding conductor Download PDF

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Publication number
EP0993079A2
EP0993079A2 EP99114426A EP99114426A EP0993079A2 EP 0993079 A2 EP0993079 A2 EP 0993079A2 EP 99114426 A EP99114426 A EP 99114426A EP 99114426 A EP99114426 A EP 99114426A EP 0993079 A2 EP0993079 A2 EP 0993079A2
Authority
EP
European Patent Office
Prior art keywords
plug head
section
threaded
connector
threaded 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.)
Withdrawn
Application number
EP99114426A
Other languages
German (de)
French (fr)
Other versions
EP0993079A3 (en
Inventor
Franz Xaver Dr.-Ing. Pitschi
Werner Wild
Norbert Strasser
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.)
Spinner GmbH
Original Assignee
Spinner GmbH
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 Spinner GmbH filed Critical Spinner GmbH
Publication of EP0993079A2 publication Critical patent/EP0993079A2/en
Publication of EP0993079A3 publication Critical patent/EP0993079A3/en
Withdrawn legal-status Critical Current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
    • 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
    • H01R24/564—Corrugated cables
    • 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
    • H01R24/566—Hollow cables
    • 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

Definitions

  • the invention relates to a connector for a ring-corrugated Coaxial cables having outer conductors, with a Plug head, which is provided with a threaded section and of an annular surface for contacting the inside Front edge area of the cable outer conductor, with one Radially resilient segments enclosing the outer conductor comprehensive contact sleeve, with a surrounding the contact sleeve, threaded sleeve screwable with the plug head, the segments after covering a span the contact sleeve loaded in the clamping direction, so that the Segments that protrude beyond the contact sleeve End area of the cable outer conductor against the ring surface of the Clamp plug head, and with a device that the Clamping path of the threaded sleeve is divided into two sections, by which the first a pre-assembled state of the connector and the second corresponds to its final assembly on the cable end.
  • Such a connector is in the unpublished German patent application 197 38 733.0 described.
  • the plug head has an internal thread in its recess for screwing in the threaded sleeve designed as a hollow screw.
  • this connector needs according to the prior art, e.g. according to DE-C-27 24 862, not dismantled before assembly on the cable become. Rather, the connector can be pre-assembled delivered that he only on the as usual prepared cable end can be pushed on as far as it will go got to. Then the fitter only needs the hollow screw in screw in the plug head until a prescribed tightening torque is reached, which indicates that the desired Clamping of the outer cable has occurred.
  • the fitter can also use the connector completely unscrew the banjo bolt from the plug head disassemble.
  • the way that the banjo bolt then when screwing in into the recess of the plug head up to the clamp of the outer cable conductor is the span.
  • This has two sections, the first of which is pre-assembled Condition of the connector and the second of it Final assembly on the cable corresponds. Since it is for proper Assembly is important that the connector when pushed onto the cable end in its factory pre-assembled state, he has a facility which the end of the first and thus the beginning of the second section of the span can be seen.
  • older German patent application are used for this a marking, an O-ring or a material deformation proposed at the end of the first span section.
  • these alternatives require their own processing during the manufacture of the connector.
  • the invention has for its object the connector the genre specified in the introduction with a manufacturing technology cheaper device for structuring the span to provide.
  • This object is achieved in that the Set up by the interaction of a the thread of the Threaded sleeve interrupting, threadless section and at most the same length as the threadless section having threaded portion of the plug head is.
  • the threadless section of the threaded sleeve can be on the usual NC machines in the same operation as cutting of the thread.
  • the threadless section the threaded sleeve and the threaded section of the plug head are arranged so that when the threaded sleeve is screwed so far with the plug head that Thread section in the unthreaded section of the threaded sleeve falls, the latter in its correctly pre-assembled Position, i.e. at the end of the first span section, located.
  • the connector builds relatively short when the threaded sleeve is designed as a hollow screw with an external thread and the Threaded section of the plug head has an internal thread in it Recess is (claim 2).
  • the threaded sleeve can be used as a screw cap Internal thread formed and the threaded section of the plug head be an external thread (claim 4).
  • the threadless section of the threaded sleeve can have a complementary, threadless section of the plug head.
  • the threaded section follows of the plug head in the screwing direction of the threaded sleeve a threadless section of at least length of the first threaded section in the screwing direction Threaded sleeve and a second threaded portion of the Plug head on (claim 5).
  • the threadless sections of the threaded sleeve should be used and, if applicable, the plug head from the thread depth only slightly exceeding indentations in the respective internal or external threads exist (claim 6).
  • Fig. 1 shows a plug head 5, with one over a not shown plastic disc held connector inner conductor 4.
  • the plug head 5 has one at its cable end Recess 51, which ends at a conical ring surface 52.
  • the Recess 51 is intended for receiving a contact sleeve 6, which are designed in the manner of a collet and for this purpose by axial from its plug end Slits 61 is divided into resilient segments 62 that are attached to their free ends have thickenings 63.
  • cable-side end 64 has contact sleeve 6 a slightly larger outer diameter than in the area of their resilient segments 62.
  • the contact sleeve 6 is compressing the resilient Segments 62 in a banjo bolt 7 of the cable side End used and slidable in this.
  • the banjo bolt 7 has a protruding near its plug end Inner collar 71, the displacement of the contact sleeve 6 limited in both directions.
  • the hollow screw 7 has a External thread, seen from the mating side, from one first, short section 72 comprising few threads and a second, long section 73. Between both thread sections 72 and 73 are threadless Section 74.
  • the long threaded section 73 ends in an annular groove in which there is an O-ring 75.
  • the recess 51 of the plug head 5 begins from the cable side seen here, with a smooth portion 54 on the an internally threaded section 55 follows, the maximum length of which equal to the length of the unthreaded portion 74 of the banjo bolt 7 is.
  • the banjo bolt 7 is so far in the plug head 5 screwed in that its internal thread section 55 more or less loosely in the threadless section 74 of the banjo bolt 7 lies.
  • This position of the hollow screw 7 relative to the Plug head 5 marks the end of the first clamping path and thus also the beginning of the second clamping path of the banjo bolt 7.
  • the connector is in this pre-assembled state normally delivered or delivered for assembly.
  • Fig. 3 is the pre-assembled connector as shown in Fig. 2 on the appropriately prepared end of a ring corrugated External conductor 3 with a conventional coaxial cable Dielectric 2 and tubular inner conductor 1 pushed on, so far that the front edge 31 of the cable outer conductor 3 advanced the contact sleeve 6 in the position shown has either - as shown - the front edges the thickenings 63 of the segments 62 which are sprung open here the contact sleeve 6 the bottom of the recess 51 of the plug head 5 touch or the inner surfaces of the thickening 63 at the ends of the sprung segments 62 of the Contact sleeve 6, the tapered ring surface 52 of the plug head 5th touch.
  • FIG. 5 to 8 illustrate a second embodiment of the connector.
  • the representation largely corresponds 1 to 4.
  • Corresponding parts bear the same reference numbers.
  • Fig. 5 shows the plug head 5, the contact sleeve 6 and the hollow screw 7.
  • Their unthreaded section 74 is shorter than in the case of the embodiment 1 to 4.
  • the is accordingly short Threaded portion 55 of the plug head 5 is formed.
  • the axial length of the latter is at most equal to the length of the threadless section 74 of the banjo bolt 7.
  • Threadless section 56 At the Threaded section 55 of the plug head 5 is included threadless section 56, the axial length of which is at least equal to the axial length of the first threaded portion 72 of FIG Banjo bolt 7 is.
  • Threaded section 55 of the plug head 5 is included threadless section 56, the axial length of which is at least equal to the axial length of the first threaded portion 72 of FIG Banjo bolt 7 is.
  • a second threaded section 57 In the screw-in direction
  • Fig. 6 shows that in the preassembled state, the unthreaded Sections 56 and 74 of the plug head 5 and the Banjo bolt 7 and the first threaded portion 72 of the latter and the (first) threaded section 55 (in FIG. 5) of the plug head 5 complementary mesh.
  • FIGS. 9 and 10 illustrate a third embodiment of the connector.
  • One plug inner conductor 94 comprehensive connector head 95 has at its cable end a tapered ring surface 952 and carries an externally threaded portion 955.
  • the contact sleeve 6 is the same as e.g. in 1 to 4.
  • the threaded sleeve is instead of a banjo bolt here designed as a screw cap 97 with an internal thread.
  • the screw cap 97 has a snap-in Inner collar 971.
  • the internal thread of the screw cap 97 consists of a first threaded section 972 and a second threaded portion 973, between which there is a threadless Section 974 is located.
  • the pre-assembled state is the external thread section 955 of the connector head 95 in the unthreaded section 974 of the screw cap 97.
  • the external thread section 955 of the connector head 95 is shorter than the threadless Section 974 of the screw cap 97.
  • Fig. 10 shows that in the fully assembled state, the second Internal thread section 973 of the screw cap 97 in the External thread section 955 of the plug head 95 engages.
  • the end region 32 of the cable outer conductor 3 is between the Annular surface 952 and the thickenings 63 at the end of the segments 62 of the contact sleeve 6 clamped and contacted in this way.
  • the proposal according to the invention was based on Described embodiments of the connector that so are constructed so that the end portion 32 of the cable outer conductor 3, preferably at the height of a wave crest is cut off between one on the plug head 5 trained conical ring surface 52 and the substantially complementary counter surfaces of thickenings 63 on the Ends of resilient segments 62 of the contact sleeve 6 mechanically is clamped and electrically contacted.
  • the invention is suitable for connectors, at which the mechanical interception and electrical contacting the cable or the cable outer conductor in another way is solved.
  • FIG. 11 shows an example.
  • This fourth embodiment of the Connector largely corresponds to the first embodiment according to Figures 1 to 4, with the proviso that the illustrated interception and contacting similar to known from DE-A-43 44 328.
  • 11 shows 4 corresponding, final assembled state.
  • the reference numbers have the same meaning as in FIGS. 1 to 4, except in the area of interception and contacting of the cable in or with the connector.
  • recess 51 of the plug head 5 is the end region 33 of the cable outer conductor 3 contacted on the front side with the plug head.
  • recess 51 has instead of conical ring surface 52 (cf. e.g. Fig.
  • the original front edge of the outer cable 3 as in the case of the previously described embodiments is at the height of a wave crest, the end region of the cable outer conductor becomes flange-like in one layer deformed outwards.
  • the original is Front edge approximately at the level of a wave trough, see above arises when the banjo bolt 7 is screwed in over the length of the second span section, the illustrated double-layer, flange-like deformation of the end area 33 of the outer cable 3.

Abstract

The connector has a device which divides the gripping path of a threaded sleeve into two sections, the first corresponding to a pre-assembled state of the connector, and the second the final assembly on the end of the cable. The device is formed by the combined action of a threadless section that interrupts the thread of the threaded sleeve, and a threaded section (55) of a plug head whose length does not exceed the length of the threadless section.

Description

Die Erfindung betrifft einen Steckverbinder für einen ringgewellten Außenleiter aufweisende Koaxialkabel, mit einem Steckerkopf, der mit einem Gewindeabschnitt versehen ist und der eine Ringfläche zur innenseitigen Kontaktierung des Stirnrandbereichs des Kabelaußenleiters hat, mit einer den Kabelaußenleiter umschließenden, radial federnde Segmente umfassenden Kontakthülse, mit einer die Kontakthülse umschließenden, mit dem Steckerkopf verschraubbaren Gewindehülse, die nach dem Zurücklegen eines Spannweges die Segmente der Kontakthülse in Spannrichtung belastet, so daß die Segmente den über die Kontakthülse steckseitig überstehenden Endbereich des Kabelaußenleiters gegen die Ringfläche des Steckerkopfes klemmen, und mit einer Einrichtung, die den Spannweg der Gewindehülse in zwei Abschnitte gliedert, von denen der erste einem vormontierten Zustand des Verbinders und der zweite dessen Endmontage auf dem Kabelende entsprechen.The invention relates to a connector for a ring-corrugated Coaxial cables having outer conductors, with a Plug head, which is provided with a threaded section and of an annular surface for contacting the inside Front edge area of the cable outer conductor, with one Radially resilient segments enclosing the outer conductor comprehensive contact sleeve, with a surrounding the contact sleeve, threaded sleeve screwable with the plug head, the segments after covering a span the contact sleeve loaded in the clamping direction, so that the Segments that protrude beyond the contact sleeve End area of the cable outer conductor against the ring surface of the Clamp plug head, and with a device that the Clamping path of the threaded sleeve is divided into two sections, by which the first a pre-assembled state of the connector and the second corresponds to its final assembly on the cable end.

Ein derartiger Steckverbinder ist in der nichtvorveröffentlichten deutschen Patentanmeldung 197 38 733.0 beschrieben. Der Steckerkopf hat in seiner Ausnehmung ein Innengewinde zum Eindrehen der als Hohlschraube ausgebildeten Gewindehülse. Dieser Steckverbinder braucht im Gegensatz zu Steckverbindern nach dem Stand der Technik, z.B. nach der DE-C-27 24 862, vor der Montage auf dem Kabel nicht zerlegt zu werden. Vielmehr kann der Steckverbinder so vormontiert ausgeliefert werden, daß er lediglich auf das wie üblich vrbereitete Kabelende bis zum Anschlag aufgeschoben werden muß. Sodann braucht der Monteur nur noch die Hohlschraube in den Steckerkopf einzudrehen, bis ein vorgeschriebenes Anzugsdrehmoment erreicht ist, das anzeigt, daß die gewünschte Klemmung des Kabelaußenleiters eingetreten ist. Gewünschtenfalls kann der Monteur den Steckverbinder jedoch auch durch vollständiges Herausdrehen der Hohlschraube aus dem Steckerkopf zerlegen. Der Weg, den die Hohlschraube dann beim Eindrehen in die Ausnehmung des Steckerkopfes bis zur Klemmung des Kabelaußenleiters zurücklegen muß, ist der Spannweg. Dieser hat zwei Abschnitte, von denen der erste dem vormontierten Zustand des Steckverbinders und der zweite dessen Endmontage auf dem Kabel entspricht. Da es für eine ordnungsgemäße Montage wichtig ist, daß sich der Steckverbinder beim Aufschieben auf das Kabelende in seinem werksseitig festgelegten Vormontagezustand befindet, hat er eine Einrichtung, die das Ende des ersten und damit den Beginn des zweiten Abschnittes des Spannweges erkennen läßt. In der vorgenannten, älteren deutschen Patentanmeldung werden hierfür eine Markierung, ein O-Ring oder eine Materialverformung am Ende des ersten Spannwegabschnittes vorgeschlagen. Jede dieser Alternativen erfordert jedoch einen eigenen Bearbeitungsvorgang während der Fertigung des Steckverbinders.Such a connector is in the unpublished German patent application 197 38 733.0 described. The plug head has an internal thread in its recess for screwing in the threaded sleeve designed as a hollow screw. In contrast to connectors, this connector needs according to the prior art, e.g. according to DE-C-27 24 862, not dismantled before assembly on the cable become. Rather, the connector can be pre-assembled delivered that he only on the as usual prepared cable end can be pushed on as far as it will go got to. Then the fitter only needs the hollow screw in screw in the plug head until a prescribed tightening torque is reached, which indicates that the desired Clamping of the outer cable has occurred. If desired the fitter can also use the connector completely unscrew the banjo bolt from the plug head disassemble. The way that the banjo bolt then when screwing in into the recess of the plug head up to the clamp of the outer cable conductor is the span. This has two sections, the first of which is pre-assembled Condition of the connector and the second of it Final assembly on the cable corresponds. Since it is for proper Assembly is important that the connector when pushed onto the cable end in its factory pre-assembled state, he has a facility which the end of the first and thus the beginning of the second section of the span can be seen. In the the aforementioned, older German patent application are used for this a marking, an O-ring or a material deformation proposed at the end of the first span section. Each however, these alternatives require their own processing during the manufacture of the connector.

Der Erfindung liegt die Aufgabe zugrunde, den Steckverbinder der einleitend angegebenen Gattung mit einer fertigungstechnisch günstigeren Einrichtung zur Gliederung des Spannweges zu versehen.The invention has for its object the connector the genre specified in the introduction with a manufacturing technology cheaper device for structuring the span to provide.

Diese Aufgabe ist erfindungsgemäß dadurch gelöst, daß die Einrichtung durch das Zusammenwirken eines das Gewinde der Gewindehülse unterbrechenden, gewindelosen Abschnitts und des höchstens die gleiche Länge wie der gewindelose Abschnitt aufweisenden Gewindeabschnitts des Steckerkopfes gebildet ist. This object is achieved in that the Set up by the interaction of a the thread of the Threaded sleeve interrupting, threadless section and at most the same length as the threadless section having threaded portion of the plug head is.

Der gewindelose Abschnitt der Gewindehülse kann auf den üblichen NC-Maschinen im selben Arbeitsgang wie das Schneiden des Gewindes hergestellt werden. Der gewindelose Abschnitt der Gewindehülse und der Gewindeabschnitt des Steckerkopfes sind so angeordnet, daß dann, wenn die Gewindehülse so weit mit dem Steckerkopf verschraubt ist, daß dessen Gewindeabschnitt in den gewindelosen Abschnitt der Gewindehülse fällt, letztere sich in ihrer korrekt vormontierten Position, also am Ende des ersten Spannwegabschnittes, befindet.The threadless section of the threaded sleeve can be on the usual NC machines in the same operation as cutting of the thread. The threadless section the threaded sleeve and the threaded section of the plug head are arranged so that when the threaded sleeve is screwed so far with the plug head that Thread section in the unthreaded section of the threaded sleeve falls, the latter in its correctly pre-assembled Position, i.e. at the end of the first span section, located.

Der Steckverbinder baut relativ kurz, wenn die Gewindehülse als Hohlschraube mit Außengewinde ausgebildet ist und der Gewindeabschnitt des Steckerkopfes ein Innengewinde in dessen Ausnehmung ist (Anspruch 2).The connector builds relatively short when the threaded sleeve is designed as a hollow screw with an external thread and the Threaded section of the plug head has an internal thread in it Recess is (claim 2).

Bei einer Weiterbildung dieser Ausführungsform kann sich in Einschraubrichtung vor dem Innengewinde des Steckerkopfes ein einspringender Ringbund als Führungshilfe beim Einschrauben der Hohlschraube befinden (Anspruch 3).In a further development of this embodiment, Direction of screwing in front of the internal thread of the plug head a snap ring collar as a guide when screwing in the banjo bolt are (claim 3).

Alternativ kann die Gewindehülse als Schraubüberwurf mit Innengewinde ausgebildet und der Gewindeabschnitt des Steckerkopfes ein Außengewinde sein (Anspruch 4).Alternatively, the threaded sleeve can be used as a screw cap Internal thread formed and the threaded section of the plug head be an external thread (claim 4).

Dem gewindelosen Abschnitt der Gewindehülse kann ein komplementärer, gewindeloser Abschnitt des Steckerkopfes entsprechen. In diesem Fall schließt sich an den Gewindeabschnitt des Steckerkopfes in Einschraubrichtung der Gewindehülse ein gewindeloser Abschnitt mit mindestens der Länge des in Einschraubrichtung ersten Gewindeabschnittes der Gewindehülse und daran ein zweiter Gewindeabschnitt des Steckerkopfes an (Anspruch 5).The threadless section of the threaded sleeve can have a complementary, threadless section of the plug head. In this case, the threaded section follows of the plug head in the screwing direction of the threaded sleeve a threadless section of at least length of the first threaded section in the screwing direction Threaded sleeve and a second threaded portion of the Plug head on (claim 5).

Um eine hinreichend sichere Führung der Gewindehülse in dem Steckerkopf in der vormontierten Stellung zu erzielen, sollten zweckmäßig die gewindelosen Abschnitte der Gewindehülse und zutreffendenfalls des Steckerkopfes aus die Gewindetiefe nur wenig überschreitenden Eindrehungen in den jeweiligen Innen- bzw. Außengewinden bestehen (Anspruch 6).To ensure a sufficiently secure guidance of the threaded sleeve in the To achieve the plug head in the preassembled position, The threadless sections of the threaded sleeve should be used and, if applicable, the plug head from the thread depth only slightly exceeding indentations in the respective internal or external threads exist (claim 6).

Zur Verringerung der Zahl der Umdrehungen der Gewindehülse bis zum Erreichen der Klemmung des Kabelaußenleiters können die miteinander im Eingriff stehenden Gewinde des Steckerkopfes und der Gewindehülse mehrgängige Gewinde sein (Anspruch 7).To reduce the number of revolutions of the threaded sleeve until the cable outer conductor is clamped the engaging threads of the plug head and the threaded sleeve should be a multiple thread (claim 7).

In der Zeichnung sind Ausführungsbeispiele des Steckverbinders nach der Erfindung im Längsschnitt und die Schritte zu dessen Montage auf dem Ende eines Koaxialkabels schematisch vereinfacht dargestellt. Es zeigt:

Fig. 1
eine erste Ausführungsform des Steckverbinders vor der Vormontage,
Fig. 2
den Steckverbinder im vormontierten Zustand,
Fig. 3
den Steckverbinder in diesem vormontierten Zustand, während des Aufschiebens auf das Kabelende,
Fig. 4
den Steckverbinder im fertigmontierten Zustand auf dem Kabelende,
Fig. 5
eine zweite Ausführungsform des Steckverbinders vor der Vormontage,
Fig. 6-8
den entsprechenden vor- und fertigmontierten Zustand, analog den Fig. 2 bis 4,
Fig. 9
eine dritte Ausführungsform des Steckverbinders im vormontierten Zustand,
Fig. 10
die dritte Ausführungsform im fertigmontierten Zustand, und
Fig. 11
eine vierte Ausführungsform im fertigmontierten Zustand.
In the drawing, embodiments of the connector according to the invention in longitudinal section and the steps for its assembly on the end of a coaxial cable are shown schematically simplified. It shows:
Fig. 1
a first embodiment of the connector before preassembly,
Fig. 2
the connector in the pre-assembled state,
Fig. 3
the connector in this preassembled state while being pushed onto the cable end,
Fig. 4
the connector in the fully assembled state on the cable end,
Fig. 5
a second embodiment of the connector before preassembly,
Fig. 6-8
the corresponding pre-assembled and fully assembled state, analogous to FIGS. 2 to 4,
Fig. 9
a third embodiment of the connector in the preassembled state,
Fig. 10
the third embodiment in the fully assembled state, and
Fig. 11
a fourth embodiment in the fully assembled state.

In den Fig. 1 bis 3 ist nur der hier interessierende, kabelseitige Teil der ersten Ausführungsform des Steckerkopfes dargestellt. Fig. 4 zeigt den vollständigen Steckverbinder, wobei der steckseitige Teil des Steckerkopfes nur ein beliebiges, hier nicht näher interessierendes Ausführungsbeispiel ist. Im übrigen ist der dargestellte Steckverbinder mit Ausnahme der hier vorgeschlagenen Verbesserung weitgehend identisch mit dem in der deutschen Patentanmeldung 197 38 733.0 dargestellten und erläuterten Steckverbinder.1 to 3 is only the cable side of interest here Part of the first embodiment of the plug head shown. 4 shows the complete connector, the plug-side part of the plug head only any embodiment that is not of interest here is. Otherwise, the connector shown except for the improvement suggested here largely identical to that in the German patent application 197 38 733.0 illustrated and explained connectors.

Fig. 1 zeigt einen Steckerkopf 5, mit einem über eine nicht dargestellte Kunststoffscheibe gehaltenen Steckerinnenleiter 4. Der Steckerkopf 5 hat an seinem kabelseitigen Ende eine Ausnehmung 51, die an einer Kegelringfläche 52 endet. Die Ausnehmung 51 ist zur Aufnahme einer Kontakthülse 6 bestimmt, die nach Art einer Spannzange ausgebildet und hierzu durch von ihrem steckseitigen Ende ausgehende, axiale Schlitze 61 in federnde Segmente 62 unterteilt ist, die an ihren freien Enden Verdickungen 63 haben. An ihrem gegenüberliegenden, kabelseitigen Ende 64 hat die Kontakthülse 6 einen etwas größeren Außendurchmesser als im Bereich ihrer federnden Segmente 62.Fig. 1 shows a plug head 5, with one over a not shown plastic disc held connector inner conductor 4. The plug head 5 has one at its cable end Recess 51, which ends at a conical ring surface 52. The Recess 51 is intended for receiving a contact sleeve 6, which are designed in the manner of a collet and for this purpose by axial from its plug end Slits 61 is divided into resilient segments 62 that are attached to their free ends have thickenings 63. On their opposite, cable-side end 64 has contact sleeve 6 a slightly larger outer diameter than in the area of their resilient segments 62.

Die Kontakthülse 6 ist unter Zusammendrücken der federnden Segmente 62 in eine Hohlschraube 7 von deren kabelseitigem Ende her eingesetzt und in dieser verschiebbar. Die Hohlschraube 7 hat nahe ihrem steckseitigen Ende einen einspringenden Innenbund 71, der die Verschiebung der Kontakthülse 6 in beiden Richtungen begrenzt. Die Hohlschraube 7 hat ein Außengewinde, das, von der Steckseite her gesehen, aus einem ersten, kurzen, wenige Gewindegänge umfassenden Abschnitt 72 und einem zweiten, langen Abschnitt 73 besteht. Zwischen den beiden Gewindeabschnitten 72 und 73 befindet sich ein gewindeloser Abschnitt 74. Der lange Gewindeabschnitt 73 endet in einer Ringnut, in der sich ein O-Ring 75 befindet.The contact sleeve 6 is compressing the resilient Segments 62 in a banjo bolt 7 of the cable side End used and slidable in this. The banjo bolt 7 has a protruding near its plug end Inner collar 71, the displacement of the contact sleeve 6 limited in both directions. The hollow screw 7 has a External thread, seen from the mating side, from one first, short section 72 comprising few threads and a second, long section 73. Between both thread sections 72 and 73 are threadless Section 74. The long threaded section 73 ends in an annular groove in which there is an O-ring 75.

Die Ausnehmung 51 des Steckerkopfs 5 beginnt, von der Kabelseite her gesehen, mit einem glatten Abschnitt 54, auf den ein Innengewindeabschnitt 55 folgt, dessen Länge höchstens gleich der Länge des gewindelosen Abschnitts 74 der Hohlschraube 7 ist.The recess 51 of the plug head 5 begins from the cable side seen here, with a smooth portion 54 on the an internally threaded section 55 follows, the maximum length of which equal to the length of the unthreaded portion 74 of the banjo bolt 7 is.

In Fig. 2 ist die Hohlschraube 7 so weit in den Steckerkopf 5 eingedreht, daß dessen Innengewindeabschnitt 55 mehr oder minder lose in dem gewindelosen Abschnitt 74 der Hohlschraube 7 liegt. Diese Stellung der Hohlschraube 7 gegenüber dem Steckerkopf 5 markiert das Ende des ersten Spannweges und damit auch den Beginn des zweiten Spannweges der Hohlschraube 7. In diesem vormontierten Zustand wird der Steckverbinder normalerweise aus- bzw. zur Montage angeliefert.In Fig. 2 the banjo bolt 7 is so far in the plug head 5 screwed in that its internal thread section 55 more or less loosely in the threadless section 74 of the banjo bolt 7 lies. This position of the hollow screw 7 relative to the Plug head 5 marks the end of the first clamping path and thus also the beginning of the second clamping path of the banjo bolt 7. The connector is in this pre-assembled state normally delivered or delivered for assembly.

In Fig. 3 ist der wie in Fig. 2 gezeigt vormontierte Steckverbinder auf das entsprechend vorbereitete Ende eines ringgewellten Außenleiters 3 eines üblichen Koaxialkabels mit Dielektrikum 2 und rohrförmigem Innenleiter 1 aufgeschoben, und zwar so weit, daß der Stirnrand 31 des Kabelaußenleiters 3 die Kontakthülse 6 in die gezeichnete Position vorgeschoben hat, in der entweder - wie dargestellt - die Stirnränder der verdickungen 63 der - hier aufgefederten - Segmente 62 der Kontakthülse 6 den Boden der Ausnehmung 51 des Steckerkopfes 5 berühren oder aber die Innenflächen der Verdickungen 63 an den Enden der aufgefederten Segmente 62 der Kontakthülse 6 die Kegelringfläche 52 des Steckerkopfes 5 berühren. In Fig. 3 is the pre-assembled connector as shown in Fig. 2 on the appropriately prepared end of a ring corrugated External conductor 3 with a conventional coaxial cable Dielectric 2 and tubular inner conductor 1 pushed on, so far that the front edge 31 of the cable outer conductor 3 advanced the contact sleeve 6 in the position shown has either - as shown - the front edges the thickenings 63 of the segments 62 which are sprung open here the contact sleeve 6 the bottom of the recess 51 of the plug head 5 touch or the inner surfaces of the thickening 63 at the ends of the sprung segments 62 of the Contact sleeve 6, the tapered ring surface 52 of the plug head 5th touch.

Beim weiteren Aufschieben des Steckverbinders auf das Koaxialkabel schiebt sich nun der Endbereich 32 des Kabelaußenleiters 3 zwischen die Kegelringfläche 52 und die dazu im wesentlichen komplementären Gegenflächen der Verdickungen 63 der federnden Segmente 62. Dann wird bei festgehaltenem Steckerkopf 5 die Hohlschraube 7 in ersteren unter Zurücklegen des zweiten Abschnittes des Spannweges eingedreht, bis der in Fig. 4 dargestellte, endmontierte Zustand erreicht ist, in dem der Endbereich 32 des Kabelaußenleiters 3 fest zwischen die Ringfläche 52 und die Verdickungen 63 der Kontakthülse 6 eingespannt und geklemmt ist.When the connector is pushed further onto the coaxial cable now pushes the end region 32 of the cable outer conductor 3 between the conical ring surface 52 and the essentially complementary counter surfaces of the thickenings 63 of the resilient segments 62. Then, while holding Plug head 5, the hollow screw 7 in the former under replacement of the second section of the clamping path, until the final assembly state shown in FIG. 4 is reached is in which the end portion 32 of the outer cable 3 is fixed between the annular surface 52 and the thickenings 63 of the contact sleeve 6 is clamped and clamped.

Die Fig. 5 bis 8 veranschaulichen eine zweite Ausführungsform des Steckverbinders. Die Darstellung entspricht weitgehend derjenigen der Fig. 1 bis 4. Übereinstimmende Teile tragen die gleichen Bezugsziffern. Fig. 5 zeigt den Steckerkopf 5, die Kontakthülse 6 und die Hohlschraube 7. Deren gewindeloser Abschnitt 74 ist kürzer als im Fall der Ausführungsform nach den Fig. 1 bis 4. Entsprechend kurz ist der Gewindeabschnitt 55 des Steckerkopfes 5 ausgebildet. Die axiale Länge des letzteren ist höchstens gleich der Länge des gewindelosen Abschnittes 74 der Hohlschraube 7. An den Gewindeabschnitt 55 des Steckerkopfes 5 schließt sich ein gewindeloser Abschnitt 56 an, dessen axiale Länge mindestens gleich der axialen Länge des ersten Gewindeabschnitts 72 der Hohlschraube 7 ist. In Einschraubrichtung folgt in der Ausnehmung 51 des Steckerkopfes 5 ein zweiter Gewindeabschnitt 57.5 to 8 illustrate a second embodiment of the connector. The representation largely corresponds 1 to 4. Corresponding parts bear the same reference numbers. Fig. 5 shows the plug head 5, the contact sleeve 6 and the hollow screw 7. Their unthreaded section 74 is shorter than in the case of the embodiment 1 to 4. The is accordingly short Threaded portion 55 of the plug head 5 is formed. The axial length of the latter is at most equal to the length of the threadless section 74 of the banjo bolt 7. At the Threaded section 55 of the plug head 5 is included threadless section 56, the axial length of which is at least equal to the axial length of the first threaded portion 72 of FIG Banjo bolt 7 is. In the screw-in direction follows in the recess 51 of the plug head 5, a second threaded section 57.

Fig. 6 zeigt, daß in dem vormontierten Zustand die gewindelosen Abschnitte 56 bzw. 74 des Steckerkopfes 5 bzw. der Hohlschraube 7 und der erste Gewindeabschnitt 72 letzterer sowie der (erste) Gewindeabschnitt 55 (in Fig. 5) des Steckerkopfes 5 komplementär ineinandergreifen. Fig. 6 shows that in the preassembled state, the unthreaded Sections 56 and 74 of the plug head 5 and the Banjo bolt 7 and the first threaded portion 72 of the latter and the (first) threaded section 55 (in FIG. 5) of the plug head 5 complementary mesh.

Die Fig. 7 und 8 zeigen die Montagezustände entsprechend den Fig. 3 und 4.7 and 8 show the mounting states corresponding to the 3 and 4.

Die Fig. 9 und 10 veranschaulichen eine dritte Ausführungsform des Steckverbinders. Der einen Steckerinnenleiter 94 umfassenden Steckerkopf 95 hat an seinem kabelseitigen Ende eine Kegelringfläche 952 und trägt einen Außengewindeabschnitt 955. Die Kontakthülse 6 ist die gleiche wie z.B. in den Fig. 1 bis 4. Die Gewindehülse ist statt als Hohlschraube hier als Schraubüberwurf 97 mit Innengewinde ausgebildet. Zur Begrenzung des Verschiebeweges der Kontakthülse 6 hat der Schraubüberwurf 97 einen einspringenden Innenbund 971. Das Innengewinde des Schraubüberwurf 97 besteht aus einem ersten Gewindeabschnitt 972 und einem zweiten Gewindeabschnitt 973, zwischen denen sich ein gewindeloser Abschnitt 974 befindet. In dem in Fig. 9 dargestellten, vormontierten Zustand befindet sich der Außengewindeabschnitt 955 des Steckerkopfes 95 in dem gewindelosen Abschnitt 974 des Schraubüberwurfes 97. Der Außengewindeabschnitt 955 des Steckerkopfes 95 ist kürzer als der gewindelose Abschnitt 974 des Schraubüberwurfes 97.9 and 10 illustrate a third embodiment of the connector. One plug inner conductor 94 comprehensive connector head 95 has at its cable end a tapered ring surface 952 and carries an externally threaded portion 955. The contact sleeve 6 is the same as e.g. in 1 to 4. The threaded sleeve is instead of a banjo bolt here designed as a screw cap 97 with an internal thread. To limit the displacement of the contact sleeve 6, the screw cap 97 has a snap-in Inner collar 971. The internal thread of the screw cap 97 consists of a first threaded section 972 and a second threaded portion 973, between which there is a threadless Section 974 is located. 9, The pre-assembled state is the external thread section 955 of the connector head 95 in the unthreaded section 974 of the screw cap 97. The external thread section 955 of the connector head 95 is shorter than the threadless Section 974 of the screw cap 97.

Fig. 10 zeigt, daß im fertigmontierten Zustand der zweite Innengewindeabschnitt 973 des Schraubüberwurfes 97 in den Außengewindeabschnitt 955 des Steckerkopfes 95 eingreift. Der Endbereich 32 des Kabelaußenleiters 3 ist zwischen die Ringfläche 952 und die Verdickungen 63 am Ende der Segmente 62 der Kontakthülse 6 eingespannt und auf diese Weise kontaktiert.Fig. 10 shows that in the fully assembled state, the second Internal thread section 973 of the screw cap 97 in the External thread section 955 of the plug head 95 engages. The end region 32 of the cable outer conductor 3 is between the Annular surface 952 and the thickenings 63 at the end of the segments 62 of the contact sleeve 6 clamped and contacted in this way.

Der Vorschlag nach der Erfindung wurde vorstehend anhand von Ausführungsformen des Steckverbinders beschrieben, die so konstruiert sind, daß der Endbereich 32 des Kabelaußenleiters 3, der vorzugsweise in Höhe eines Wellenscheitels abgeschnitten ist, zwischen einer an dem Steckerkopf 5 ausgebildeten Kegelringfläche 52 und den dazu im wesentlichen komplementären Gegenflächen von Verdickungen 63 an den Enden federnder Segmente 62 der Konktakthülse 6 mechanisch geklemmt und elektrisch kontaktiert wird. Der Vorschlag nach der Erfindung eignet sich jedoch auf für Steckverbinder, bei denen die mechanische Abfangung und elektrische Kontaktierung des Kabels bzw. des Kabelaußenleiters in anderer Weise gelöst ist.The proposal according to the invention was based on Described embodiments of the connector that so are constructed so that the end portion 32 of the cable outer conductor 3, preferably at the height of a wave crest is cut off between one on the plug head 5 trained conical ring surface 52 and the substantially complementary counter surfaces of thickenings 63 on the Ends of resilient segments 62 of the contact sleeve 6 mechanically is clamped and electrically contacted. The suggestion However, the invention is suitable for connectors, at which the mechanical interception and electrical contacting the cable or the cable outer conductor in another way is solved.

Fig. 11 zeigt ein Beispiel. Diese vierte Ausführungsform des Steckverbinders entspricht weitgehend der ersten Ausführungsform gemäß den Figuren 1 bis 4, mit der Maßgabe, daß die dargestellte Abfangung und Kontaktierung ähnlich wie aus der DE-A-43 44 328 bekannt ausgeführt ist. Die Fig. 11 zeigt den Fig. 4 entsprechenden, endmontierten Zustand. Die Bezugszeichen haben dieselbe Bedeutung wie in den Fig. 1 bis 4, ausgenommen im Bereich der Abfangung und Kontaktierung des Kabels in bzw. mit dem Steckverbinder. In der Ausnehmung 51 des Steckerkopfes 5 ist der Endbereich 33 des Kabelaußenleiters 3 stirnseitig mit dem Steckerkopf kontaktiert. Die Ausnehmung 51 hat hierzu statt der Kegelringfläche 52 (vgl. z.B. Fig. 1) eine im wesentlichen in einer Radialebene liegende Bodenfläche 58, gegen die der flanschartig verformte Endbereich 33 des Kabelaußenleiters 3 verspannt ist. Dieser flanschartige Endbereich 33 bildet sich während des Eindrehens der Hohlschraube 7 um die Strecke des zweiten Abschnitts des Spannweges in die Ausnehmung 51 des Steckerkopfes 5 von selbst, denn die hier mit in einer Radialebene liegenden Stirnflächen ausgebildeten Verdickungen 63 an den Enden der federnden Segmente 62 der Kontakthülse 6 kommen in dem nicht dargestellten, der Fig. 3 entsprechenden Vormontagezustand in das erste Wellental des Kabelaußenleiters 3 zu liegen. Wenn sich der ursprüngliche Stirnrand des Kabelaußenleiters 3 wie im Fall der zuvor beschriebenen Ausführungsformen etwa in Höhe eines Wellenscheitels befindet, wird der Endbereich des Kabelaußenleiters einlagig flanschartig nach außen verformt. Befindet sich hingegen der ursprüngliche Stirnrand etwa in Höhe eines Wellentales, so entsteht beim Eindrehen der Hohlschraube 7 über die Länge des zweiten Spannwegabschnittes die zeichnerisch dargestellte, doppellagige, flanschartige Verformung des Endbereiches 33 des Kabelaußenleiters 3.11 shows an example. This fourth embodiment of the Connector largely corresponds to the first embodiment according to Figures 1 to 4, with the proviso that the illustrated interception and contacting similar to known from DE-A-43 44 328. 11 shows 4 corresponding, final assembled state. The reference numbers have the same meaning as in FIGS. 1 to 4, except in the area of interception and contacting of the cable in or with the connector. In the recess 51 of the plug head 5 is the end region 33 of the cable outer conductor 3 contacted on the front side with the plug head. The For this purpose, recess 51 has instead of conical ring surface 52 (cf. e.g. Fig. 1) a substantially in a radial plane lying floor surface 58 against which the flange-like deformed End region 33 of the cable outer conductor 3 is clamped. This flange-like end region 33 forms during the Screwing in the hollow screw 7 by the distance of the second Section of the clamping path into the recess 51 of the plug head 5 by itself, because here with in a radial plane lying end faces formed thickenings 63 on the Ends of the resilient segments 62 of the contact sleeve 6 come in the pre-assembly state, not shown, corresponding to FIG. 3 into the first wave trough of the cable outer conductor 3 lie. If the original front edge of the outer cable 3 as in the case of the previously described embodiments is at the height of a wave crest, the end region of the cable outer conductor becomes flange-like in one layer deformed outwards. However, the original is Front edge approximately at the level of a wave trough, see above arises when the banjo bolt 7 is screwed in over the length of the second span section, the illustrated double-layer, flange-like deformation of the end area 33 of the outer cable 3.

Claims (7)

Steckverbinder für einen ringgewellten Außenleiter (3) aufweisende Koaxialkabel, mit einem Steckerkopf (5, 95), der mit einem Gewindeabschnitt versehen ist und der eine Ringfläche (52) zur innenseitigen Kontaktierung des Stirnrandbereichs des Kabelaußenleiters hat, mit einer den Kabelaußenleiter (3) umschließenden, radial federnde Segmente (62) umfassenden Kontakthülse (6), mit einer die Kontakthülse (6) umschließenden, mit dem Steckerkopf (5) verschraubbaren Gewindehülse (7), die nach dem Zurücklegen eines Spannweges die Segmente (62) der Kontakthülse (6) in Spannrichtung belastet, so daß die Segmente (62) den über die Kontakthülse (6) steckseitig überstehenden Endbereich (32) des Kabelaußenleiters (3) gegen die Ringfläche (52) des Steckerkopfes (5) klemmen, und mit einer Einrichtung, die den Spannweg der Gewindehülse (7) in zwei Abschnitte gliedert, von denen der erste einem vormontierten Zustand des Verbinders und der zweite dessen Endmontage auf dem Kabelende entsprechen, dadurch gekennzeichnet, daß die Einrichtung durch das Zusammenwirken eines das Gewinde der Gewindehülse unterbrechenden, gewindelosen Abschnitts (74, 974) und des höchstens die gleiche Länge wie der gewindelose Abschnitt aufweisenden Gewindeabschnitts (55, 955) des Steckerkopfes (5, 95) gebildet ist.Connector for a coaxial cable having a corrugated outer conductor (3), with a plug head (5, 95), which is provided with a threaded section and which has an annular surface (52) for inside contacting of the end edge area of the outer cable conductor, with one surrounding the outer cable conductor (3) Contact sleeve (6) comprising radially resilient segments (62), with a threaded sleeve (7) which surrounds the contact sleeve (6) and can be screwed to the plug head (5) and which, after covering a clamping path, the segments (62) of the contact sleeve (6) loaded in the tensioning direction so that the segments (62) clamp the end region (32) of the outer cable conductor (3) projecting beyond the contact sleeve (6) against the ring surface (52) of the plug head (5), and with a device that extends the tensioning path the threaded sleeve (7) is divided into two sections, the first of which is a preassembled state of the connector and the second of which is the final assembly on the cable end speak, characterized in that the device is formed by the interaction of a threadless section (74, 974) which interrupts the thread of the threaded sleeve and the thread section (55, 955) of the plug head (5, 95) which is at most the same length as the threadless section is. Steckverbinder nach Anspruch 1, dadurch gekennzeichnet, daß die Gewindehülse als Hohlschraube (7) mit Außengewinde ausgebildet ist, und daß der Gewindeabschnitt des Steckerkopfes (5) ein Innengewinde (55) in einer Ausnehmung (51) des Steckerkopfes ist. Connector according to claim 1, characterized in that the threaded sleeve as a hollow screw (7) External thread is formed, and that the threaded portion the plug head (5) has an internal thread (55) a recess (51) of the plug head. Steckverbinder nach Anspruch 2, dadurch gekennzeichnet, daß sin in Einschraubrichtung vor dem Innengewinde (55) des Steckerkopfes (5) ein einspringender Ringbund (53) als Führungshilfe beim Einschrauben der Hohlschraube (7) befindet.Connector according to claim 2, characterized in that are in the direction of screwing in front of the internal thread (55) of the plug head (5) is a stand-in Ring collar (53) as a guide when screwing in the Banjo bolt (7). Steckverbinder nach Anspruch 1, dadurch gekennzeichnet, daß die Gewindehülse als Schraubüberwurf (97) mit Innengewinde (972, 973) ausgebildet ist, und daß der Gewindeabschnitt (955) des Steckerkopfes (95) ein Außengewinde ist.Connector according to claim 1, characterized in that the threaded sleeve as screw cap (97) is formed with an internal thread (972, 973), and that the threaded section (955) of the plug head (95) Is external thread. Steckverbinder nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß sich an den Gewindeabschnitt (55) des Steckerkopfes (5) in Einschraubrichtung der Gewindehülse (7) ein gewindeloser Abschnitt (56) mit mindestens der Länge des in Einschraubrichtung ersten Gewindeabschnitts (72) der Gewindehülse (7) und daran ein zweiter Gewindeabschnitt (57) des Steckerkopfes (7) anschließen.Connector according to one of claims 1 to 4, characterized characterized in that the threaded portion (55) of the plug head (5) in the screwing direction of the Threaded sleeve (7) with a threadless section (56) at least the length of the first in the screwing direction Threaded section (72) of the threaded sleeve (7) and thereon a second threaded section (57) of the plug head Connect (7). Steckverbinder nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß die gewindelosen Abschnitte (74, 974; 56) der Gewindehülse (7) und zutreffendenfalls des Steckerkopfes (5) aus die Gewindetiefe nur wenig überschreitenden Eindrehungen in die jeweiligen Innen- bzw. Außengewinde bestehen.Connector according to one of claims 1 to 5, characterized characterized that the unthreaded sections (74, 974; 56) of the threaded sleeve (7) and, if applicable of the plug head (5) from the thread depth only little exceeding twists into the respective There are internal and external threads. Steckverbinder nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß die miteinander im Eingriff stehenden Gewinde des Steckerkopfes (5) und der Gewindehülse (7) mehrgängige Gewinde sind.Connector according to one of claims 1 to 6, characterized characterized in that the mutually engaged standing thread of the plug head (5) and the threaded sleeve (7) are multi-start threads.
EP99114426A 1998-10-08 1999-07-22 Connector for a coaxial cable having a corrugated shielding conductor Withdrawn EP0993079A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19846440 1998-10-08
DE19846440A DE19846440A1 (en) 1998-10-08 1998-10-08 Connector for coaxial cable with ring-corrugated outer conductor

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EP0993079A2 true EP0993079A2 (en) 2000-04-12
EP0993079A3 EP0993079A3 (en) 2002-05-29

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DE19846440A1 (en) 2000-04-20
EP0993079A3 (en) 2002-05-29

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