EP0733273B1 - Electrical connector - Google Patents

Electrical connector Download PDF

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Publication number
EP0733273B1
EP0733273B1 EP95903484A EP95903484A EP0733273B1 EP 0733273 B1 EP0733273 B1 EP 0733273B1 EP 95903484 A EP95903484 A EP 95903484A EP 95903484 A EP95903484 A EP 95903484A EP 0733273 B1 EP0733273 B1 EP 0733273B1
Authority
EP
European Patent Office
Prior art keywords
connector
coaxial cable
central
sleeve
central 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 - Lifetime
Application number
EP95903484A
Other languages
German (de)
French (fr)
Other versions
EP0733273A1 (en
Inventor
Lennart Lundmark
Nils Asen
Tore SJÖDIN
Anders Forslund
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.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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 Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Publication of EP0733273A1 publication Critical patent/EP0733273A1/en
Application granted granted Critical
Publication of EP0733273B1 publication Critical patent/EP0733273B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • H01R9/0518—Connection to outer conductor by crimping or by crimping ferrule
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/10—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation
    • H01R4/18—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping
    • H01R4/183—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping for cylindrical elongated bodies, e.g. cables having circular cross-section

Definitions

  • the present invention relates to a connector, and then particularly, but not exclusively, to a connector for connecting a coaxial cable to an electrical contact terminal which includes a plurality of terminal pins.
  • the invention also relates to a method of using the inventive connector.
  • the object of the present invention is to provide a connector and a method which are not encumbered with these drawbacks. This object is achieved with a connector and a method having the characteristic features set forth in the following claims.
  • the inventive connector enables a connection of the aforesaid kind to be made in the absence of soldering.
  • the inventive method is considerably time saving and requires no particular professional knowledge in obtaining a serviceable and functionally reliable connection between the coaxial cable and the electrical terminal device.
  • the invention also affords economical and qualitative advantages.
  • Figure 1 is an exploded perspective view of a coaxial cable and an inventive connector
  • Figure 2 illustrates a stage where the connector is fitted to the coaxial cable, and also shows a so-called europa electrical contact terminal
  • Figure 3 is a side view which shows an established connection between coaxial cable, connector and electrical contact terminal.
  • Figure 1 illustrates a coaxial cable 1 having a solid central conductor 2 and an insulating core 3 which surrounds the central conductor.
  • the insulating core 3 is embraced by an electrically-conductive shielding stocking 4.
  • the stocking 4 is embraced by an insulating layer 5, which also forms the exterior of the coaxial cable 1.
  • the inventive connector 10 includes an electrically-conductive metal connector housing 20, an electrically-conductive metal centre sleeve 40, a spacing element in the form of a sleeve 50, wherein the spacing element isolates the centre sleeve 40 electrically from the connector housing 20, and a metal clamping ring 60.
  • the connector housing 20 has a cylindrical top part 21 which includes a central hole 22 whose size coincides with the size of the insulating core 3 of the coaxial cable 1.
  • the top part 21 also includes a serrated or knurled part 23 on its outer surface.
  • the connector housing 20 also includes an intermediate part 24 and a bottom part 25.
  • the spacing sleeve 50 is affixed within the aforesaid parts 24 and 25, as illustrated in Figure 1.
  • the bottom part 25 has provided on its undersurface four upwardly extending holes 26 whose diameters and depths are adapted for coaction with pin terminals 71 of the europa terminal device 70.
  • the bottom part 25 has a square external shape and the holes 26 are each placed in a respective corner region of said bottom part.
  • the intermediate part 24 connects the top part 21 to the bottom part 25.
  • the upper end of the central sleeve 40 includes a hole 41 whose diameter and depth are adapted to receive the central conductor 2 of the coaxial cable 1.
  • the bottom end of the central sleeve 40 includes a hole 42 whose diameter and depth are adapted for coaction with a connecting pin or terminal pin 71 on the terminal device 70.
  • the central sleeve 40 has at least one external ring groove 43.
  • the spacing sleeve 50 includes a central hole 51 whose diameter coincides with the outer diameter of the central sleeve 40.
  • the spacing sleeve 50 is provided with fastener means which engage the ring groove 43 when the central sleeve 40 is inserted into the spacing sleeve 50, therewith fixating the central sleeve 40 in relation to the spacing sleeve 50.
  • These fastener means have a snap-in function.
  • the two central holes 22 and 51 communicate with one another so as to form a hole which extends through the connector housing 20 and the spacing sleeve 50 affixed therein.
  • a coaxial cable 1 is connected to the connector 10 in the following manner.
  • the central conductor 2 is then inserted into the hole 41 in the central sleeve 40, whereafter the central sleeve 40 is crimped with the aid of an appropriate crimping tool, so as to affix the central conductor 2 in the central sleeve 40.
  • the coaxial cable 1 is brought to a position in which the central sleeve 40 fitted thereon is positioned in the hole 51 in the spacing sleeve 50 located in the connector housing 20.
  • the central sleeve 40 is thereby snap-fastened in the spacing sleeve 50, by virtue of the aforesaid fastener means on the spacing sleeve 50 engaging the ring groove 43 on the central sleeve 40.
  • the stocking 4 is located on the outer surface of the top part 21 and embraces the serrated or knurled part 23.
  • the clamping ring 60 is then moved along the coaxial cable 1 to a position in which it lies on the stocking 4 in abutment with the outer surface of the top part 21, whereafter the clamping ring 60 is crimped by an appropriate crimping tool so as to firmly press the stocking 4 against the outer surface of the top part 21, wherein the serrations 23 ensure effective electrical and mechanical contact between the stocking 4 and the connector housing 20.
  • the clamping ring 60 has been crimped to an hexagonal shape.
  • connection of the coaxial cable 1 to the connector 10 has therewith been completed and the connector and coaxial cable connected thereto can be fitted to an electrical contact terminal in the form of a europa terminal 70 for instance.
  • the europa terminal 70 includes a non-conductive housing 72 and is provided with connection terminals in the form of pin terminals or pin connectors 71 which when fitting the connector 10 to the terminal 70 are received in the holes 26 and 42 of the connector 10.
  • the connector pins 71 have a given diametrical oversize and are resilient to some extent, so that when the pins are pressed into the holes 26 and 42 they will lie against the walls of said holes with a satisfactory contact pressure and holding force.
  • the aforesaid type of connection between pins 71 and holes 26, 42 is referred to in the art as a press-in-connection.
  • Figure 3 shows two inventive connectors 10 which carry respectively a heavy-gauge and a lighter-gauge coaxial cable 1 and are fitted to a europa terminal 70.
  • Figure 3 thus shows that the connector 10 can be readily adapted to different types of coaxial cable 1.
  • the centre sleeve 40 may be divided into two parts.
  • the bottom part of the central sleeve will include the hole 42 and is affixed to the spacing sleeve 50.
  • the upper part of the central sleeve 40 will include the hole 41 in which the central conductor 2 is fitted by means of a contact pressing process as earlier described.
  • the two parts of the central sleeve can therewith be assembled by means of a connection of the plug-in kind, the snap-in kind or some similar kind of connecting means.
  • the method of assembling the connector in the case of this embodiment is, in principle, the same as the earlier described method, but with the difference that the bottom part of the central sleeve 40 is pre-fitted to the spacing sleeve 50.
  • the means used to secure the central sleeve 40 to the spacing sleeve 50 may also be varied in different ways.
  • the active part of the snap-in facility may be provided either on the spacing sleeve 50 or on the central sleeve 40.
  • the configuration of the connector 10 may be varied in accordance with the configuration of the coaxial cable 1 and the electrical contact terminal 70.
  • the number of connection holes 26 on the connector 10 may be varied according to requirements.
  • the serrated surface 23 may be replaced with an alternative type of surface structure, if so desired.

Abstract

The invention relates to a connector (10), and particularly, but not exclusively, to a connector for connecting a coaxial cable (1) to an electrical contact terminal device (70) which includes a plurality of pin terminals or pin connectors (71). The connector (10) includes a connector housing (20) having an abutment surface (23) for a shielding stocking (4) on the coaxial cable (1). The connector housing (20) also includes a plurality of holes (26) for coaction with pin terminals or pin connectors (71) on the electrical contact terminal device (70). The connector (10) further includes an electrically insulating spacing element (50) and a central sleeve (40), wherein the central sleeve (40) includes a hole (41) for connecting a central conductor (2) of the coaxial cable (1), and a hole (42) for coaction with a terminal pin or connecting pin (71) on the electrical contact terminal (70). The spacing element (50) includes central-sleeve fastener means. The connector (10) also includes a clamping ring (60) for affixing the shielding stocking (4) to its abutment surface (23). According to the invention, the central conductor (2) of the coaxial cable (1) is affixed to the central sleeve (40) by means of a crimping process, whereafter the shielding stocking (4) of the coaxial cable (1) is pressed into abutment with the abutment surface (23) on the connector housing (20) by means of a crimping tool which acts on the clamping ring (60).

Description

  • The present invention relates to a connector, and then particularly, but not exclusively, to a connector for connecting a coaxial cable to an electrical contact terminal which includes a plurality of terminal pins. The invention also relates to a method of using the inventive connector.
  • When connecting a coaxial cable to an electrical contact terminal, such as a so-called europa-terminal or multi-terminal contact device, which includes a plurality of terminal pins or connector pins, there is often used at present a special screening sleeve and a special soldering process. The soldering process is time consuming and requires the services of people who are trained to carry out the process. However, it has been found extremely difficult to obtain a soldered joint which is of uniform and satisfactory quality, particularly when soldering the centre conductor of the coaxial cable. There is a danger that the central conductor will be damaged in the subsequent soldering of a surrounding screening sleeve, without this damage being noticed with the naked eye.
  • The object of the present invention is to provide a connector and a method which are not encumbered with these drawbacks. This object is achieved with a connector and a method having the characteristic features set forth in the following claims.
  • The inventive connector enables a connection of the aforesaid kind to be made in the absence of soldering. The inventive method is considerably time saving and requires no particular professional knowledge in obtaining a serviceable and functionally reliable connection between the coaxial cable and the electrical terminal device. The invention also affords economical and qualitative advantages.
  • The invention will now be described in more detail with reference to exemplifying embodiments thereof and also with reference to the accompanying drawing, in which Figure 1 is an exploded perspective view of a coaxial cable and an inventive connector; Figure 2 illustrates a stage where the connector is fitted to the coaxial cable, and also shows a so-called europa electrical contact terminal; and Figure 3 is a side view which shows an established connection between coaxial cable, connector and electrical contact terminal.
  • Figure 1 illustrates a coaxial cable 1 having a solid central conductor 2 and an insulating core 3 which surrounds the central conductor. In turn, the insulating core 3 is embraced by an electrically-conductive shielding stocking 4. The stocking 4 is embraced by an insulating layer 5, which also forms the exterior of the coaxial cable 1.
  • The inventive connector 10 includes an electrically-conductive metal connector housing 20, an electrically-conductive metal centre sleeve 40, a spacing element in the form of a sleeve 50, wherein the spacing element isolates the centre sleeve 40 electrically from the connector housing 20, and a metal clamping ring 60.
  • The connector housing 20 has a cylindrical top part 21 which includes a central hole 22 whose size coincides with the size of the insulating core 3 of the coaxial cable 1. The top part 21 also includes a serrated or knurled part 23 on its outer surface.
  • The connector housing 20 also includes an intermediate part 24 and a bottom part 25. The spacing sleeve 50 is affixed within the aforesaid parts 24 and 25, as illustrated in Figure 1. The bottom part 25 has provided on its undersurface four upwardly extending holes 26 whose diameters and depths are adapted for coaction with pin terminals 71 of the europa terminal device 70. The bottom part 25 has a square external shape and the holes 26 are each placed in a respective corner region of said bottom part. The intermediate part 24 connects the top part 21 to the bottom part 25.
    The upper end of the central sleeve 40 includes a hole 41 whose diameter and depth are adapted to receive the central conductor 2 of the coaxial cable 1. The bottom end of the central sleeve 40 includes a hole 42 whose diameter and depth are adapted for coaction with a connecting pin or terminal pin 71 on the terminal device 70. The central sleeve 40 has at least one external ring groove 43.
  • The spacing sleeve 50 includes a central hole 51 whose diameter coincides with the outer diameter of the central sleeve 40. Although not shown, the spacing sleeve 50 is provided with fastener means which engage the ring groove 43 when the central sleeve 40 is inserted into the spacing sleeve 50, therewith fixating the central sleeve 40 in relation to the spacing sleeve 50. These fastener means have a snap-in function.
  • The two central holes 22 and 51 communicate with one another so as to form a hole which extends through the connector housing 20 and the spacing sleeve 50 affixed therein.
  • A coaxial cable 1 is connected to the connector 10 in the following manner.
  • In a first stage, the end of the coaxial cable 1 is stripped and prepared as shown in Figure 1, whereafter the clamping ring 60 is placed on the coaxial cable 1 in a dislocated position as shown in Figure 1.
  • The central conductor 2 is then inserted into the hole 41 in the central sleeve 40, whereafter the central sleeve 40 is crimped with the aid of an appropriate crimping tool, so as to affix the central conductor 2 in the central sleeve 40.
  • In the next stage, the coaxial cable 1 is brought to a position in which the central sleeve 40 fitted thereon is positioned in the hole 51 in the spacing sleeve 50 located in the connector housing 20. The central sleeve 40 is thereby snap-fastened in the spacing sleeve 50, by virtue of the aforesaid fastener means on the spacing sleeve 50 engaging the ring groove 43 on the central sleeve 40. At the same time, the stocking 4 is located on the outer surface of the top part 21 and embraces the serrated or knurled part 23.
  • The clamping ring 60 is then moved along the coaxial cable 1 to a position in which it lies on the stocking 4 in abutment with the outer surface of the top part 21, whereafter the clamping ring 60 is crimped by an appropriate crimping tool so as to firmly press the stocking 4 against the outer surface of the top part 21, wherein the serrations 23 ensure effective electrical and mechanical contact between the stocking 4 and the connector housing 20. In the case of the illustrated embodiment, the clamping ring 60 has been crimped to an hexagonal shape.
  • Connection of the coaxial cable 1 to the connector 10 has therewith been completed and the connector and coaxial cable connected thereto can be fitted to an electrical contact terminal in the form of a europa terminal 70 for instance.
  • The europa terminal 70 includes a non-conductive housing 72 and is provided with connection terminals in the form of pin terminals or pin connectors 71 which when fitting the connector 10 to the terminal 70 are received in the holes 26 and 42 of the connector 10. In this regard, the connector pins 71 have a given diametrical oversize and are resilient to some extent, so that when the pins are pressed into the holes 26 and 42 they will lie against the walls of said holes with a satisfactory contact pressure and holding force. The aforesaid type of connection between pins 71 and holes 26, 42 is referred to in the art as a press-in-connection.
  • Figure 3 shows two inventive connectors 10 which carry respectively a heavy-gauge and a lighter-gauge coaxial cable 1 and are fitted to a europa terminal 70. Figure 3 thus shows that the connector 10 can be readily adapted to different types of coaxial cable 1.
  • It will be understood that the design of the inventive connector 10 can be modified in certain respects, and by way of non-limiting example it can be mentioned that the centre sleeve 40 may be divided into two parts. In this case, the bottom part of the central sleeve will include the hole 42 and is affixed to the spacing sleeve 50. The upper part of the central sleeve 40 will include the hole 41 in which the central conductor 2 is fitted by means of a contact pressing process as earlier described. The two parts of the central sleeve can therewith be assembled by means of a connection of the plug-in kind, the snap-in kind or some similar kind of connecting means. The method of assembling the connector in the case of this embodiment is, in principle, the same as the earlier described method, but with the difference that the bottom part of the central sleeve 40 is pre-fitted to the spacing sleeve 50.
  • The means used to secure the central sleeve 40 to the spacing sleeve 50 may also be varied in different ways. For instance, the active part of the snap-in facility may be provided either on the spacing sleeve 50 or on the central sleeve 40.
  • It will also be understood that the configuration of the connector 10 may be varied in accordance with the configuration of the coaxial cable 1 and the electrical contact terminal 70. The number of connection holes 26 on the connector 10 may be varied according to requirements. The serrated surface 23 may be replaced with an alternative type of surface structure, if so desired.
  • The invention is therefore not restricted to the illustrated and described embodiments thereof, since changes and modifications are conceivable within the scope of the following claims.

Claims (6)

  1. A connector intended particularly, but not exclusively, for connecting a coaxial cable (1) to an electrical contact terminal device (70) which includes a plurality of pin connectors or pin terminals (71), the connector (10) includes a conductive connector housing (20) which includes an abutment surface (23) for a shielding stocking (4) on the coaxial cable (1), the connector housing (20) includes a plurality of holes (26) for coaction with pins (71) on the electrical contact terminal device (70), the connector (10) includes an electrical insulating spacing element (50), the connector (10) includes a conductive central sleeve (40) which includes a hole (41) for the connection of a central conductor (2) of the coaxial cable (1) and a hole (42) for coaction with a pin (71) on the terminal device (70), said central sleeve (40) being electrically isolated from the connector housing (20) by said insulating spacing element (50), the connector (10) includes a clamping ring (60) which functions to fixate the shielding stocking (4) against its abutment surface (23), characterized in that the spacing element (50) includes central sleeve fastener means; and in that the central sleeve (40) includes an outer ring groove (43) for a snap-in coaction with the fastener means on the spacing element (50).
  2. A connector according to Claim 1, characterized in that the central sleeve (40) is a one-piece structure.
  3. A connector according to Claim 1, characterized in that the central sleeve (40) is comprised of two mutually joinable parts; and in that one of said parts includes means for coaction with the fastener means on the spacing element (50).
  4. A connector according to any one of Claims 1-3, characterized in that the connector housing (20) has a cylindrical top part (21) which includes a central hole (22) whose size coincides with the size of an insulating core (3) of the coaxial cable (1).
  5. A connector according to any one of Claims 1-4, characterized in that the spacing element consists in a spacing sleeve (50) having a central hole (51) for receiving the central sleeve (40) .
  6. A method of manufacturing a connector according to any one of Claims 1-5, characterized by connecting the central conductor (2) of the coaxial cable (1) to the central sleeve (40) with the aid of a crimping tool, thereafter placing the central sleeve (40) or a part thereof in a position in which it is fixed in relation to the spacing element (50), and thereafter pressing the shielding stocking (4) of the coaxial cable (1) into abutment with the abutment surface (23) on the connector housing (20) with the aid of a crimping tool which acts on the clamping ring (60).
EP95903484A 1993-12-07 1994-12-04 Electrical connector Expired - Lifetime EP0733273B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE9304067 1993-12-07
SE9304067A SE505224C2 (en) 1993-12-07 1993-12-07 Connectors, especially designed to connect a coaxial cable to a connector
PCT/SE1994/001165 WO1995016291A1 (en) 1993-12-07 1994-12-04 Connector

Publications (2)

Publication Number Publication Date
EP0733273A1 EP0733273A1 (en) 1996-09-25
EP0733273B1 true EP0733273B1 (en) 1997-08-06

Family

ID=20392022

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95903484A Expired - Lifetime EP0733273B1 (en) 1993-12-07 1994-12-04 Electrical connector

Country Status (8)

Country Link
EP (1) EP0733273B1 (en)
AT (1) ATE156631T1 (en)
AU (1) AU1252095A (en)
DE (1) DE69404863T2 (en)
DK (1) DK0733273T3 (en)
ES (1) ES2106637T3 (en)
SE (1) SE505224C2 (en)
WO (1) WO1995016291A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3788722B2 (en) * 2000-06-01 2006-06-21 株式会社オートネットワーク技術研究所 Shield connector
EP3145032B1 (en) * 2015-09-21 2019-06-12 Nexans Assembly having an electric line and an electrical coupling part
DE102020106244A1 (en) * 2020-03-09 2021-09-09 Md Elektronik Gmbh Connector arrangement for connecting a cable to an electrical component

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4453796A (en) * 1982-06-21 1984-06-12 Amp Incorporated Coaxial connector plug
US4494816A (en) * 1983-07-27 1985-01-22 At&T Bell Laboratories Coaxial cable connector

Also Published As

Publication number Publication date
EP0733273A1 (en) 1996-09-25
ES2106637T3 (en) 1997-11-01
AU1252095A (en) 1995-06-27
DE69404863D1 (en) 1997-09-11
SE9304067D0 (en) 1993-12-07
WO1995016291A1 (en) 1995-06-15
ATE156631T1 (en) 1997-08-15
SE505224C2 (en) 1997-07-21
SE9304067L (en) 1995-06-08
DK0733273T3 (en) 1998-03-02
DE69404863T2 (en) 1997-11-27

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