EP2052441A2 - Connecteur pour câble coaxial ondulé et procédé - Google Patents

Connecteur pour câble coaxial ondulé et procédé

Info

Publication number
EP2052441A2
EP2052441A2 EP07760164A EP07760164A EP2052441A2 EP 2052441 A2 EP2052441 A2 EP 2052441A2 EP 07760164 A EP07760164 A EP 07760164A EP 07760164 A EP07760164 A EP 07760164A EP 2052441 A2 EP2052441 A2 EP 2052441A2
Authority
EP
European Patent Office
Prior art keywords
connector
cable
conductive member
elastomer
outer conductor
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Withdrawn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
EP07760164A
Other languages
German (de)
English (en)
Other versions
EP2052441A4 (fr
Inventor
Noah Montena
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.)
PPC Broadband Inc
Original Assignee
PPC Broadband Inc
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
Priority claimed from US11/458,475 external-priority patent/US7156696B1/en
Application filed by PPC Broadband Inc filed Critical PPC Broadband Inc
Publication of EP2052441A2 publication Critical patent/EP2052441A2/fr
Publication of EP2052441A4 publication Critical patent/EP2052441A4/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
    • H01R9/03—Connectors arranged to contact a plurality of the conductors of a multiconductor cable, e.g. tapping connections
    • H01R9/05—Connectors arranged to contact a plurality of the conductors of a multiconductor cable, e.g. tapping connections for coaxial cables
    • H01R9/0524—Connection to outer conductor by action of a clamping member, e.g. screw fastening means
    • 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
    • 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
    • H01R9/0527—Connection to outer conductor by action of a resilient member, e.g. spring
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/622—Screw-ring or screw-casing
    • 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
    • H01R4/28—Clamped connections, spring connections
    • H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4881—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a louver type spring

Definitions

  • the invention relates to connectors for mounting on the ends of corrugated coaxial cables to establish electrical connections with the inner and outer conductors in the cables, and to methods for mounting connectors on the ends of corrugated coaxial cables.
  • Corrugated coaxial cable is commonly used to carry high frequency electrical signals.
  • corrugated cable is used to transmit power signals from amplifiers to antennas on the tops of towers and for radio transmitter applications.
  • the cable is typically about 3/8" to 2" in diameter and includes a metal central conductor surrounded by a corrugated metal outer conductor. Foam insulation fills the space between the conductors.
  • the corrugated outer conductor improves cable flexibility.
  • a corrugated coaxial cable may have an outer conductor that has a series of circular peaks and * valleys spaced along the length of the cable. "
  • the outer conductor may be spiral wound with spiral peaks and valleys extending along the length of the cable.
  • Connectors are attached to the ends of corrugated coaxial cables to allow the cables to be connected to contact ports on electronic components such as amplifiers, antennas, splitters and the like.
  • Conventional connectors for corrugated coaxial cable connectors include a central pin which is joined to the central conductor in the cable and an outer conductor which is clamped to both sides of an exposed peak at the end of the outer cable conductor.
  • the outer conductor must be cut at a peak.
  • the foam insulation under the peak end of the outer conductor must be trimmed away to expose both sides of the outer conductor for clamp engagement by the outer conductor.
  • U.S. Pat. No. 6,133,532 discloses a conventional connector for a corrugated coaxial cable in which an electrical connection is established at a peak at the exposed end of the outer conductor after insulation has been cut away under the peak.
  • connection If the connector is not mounted correctly on the end of the cable, the connection will fail. Failure may not be immediate. Delayed failure requires connector replacement, frequently at the top of the tower and greatly increases overall cost of the installation.
  • a new connector for a corrugated coaxial cable is needed that is quick and easy to install on the end of the cable, forms strong and reliable electricai and physical connections with the conductors in the cable.
  • the connector should be easily and reliably mounted on a corrugated cable with circular or spiral wound outer conductors.
  • the invention is an improved coaxial cable connector for mounting on the end of a corrugated coaxial cable and establishing strong and reliable electrical connections with the central conductor and the corrugated outer conductor.
  • the outer conductor may have circular peaks and valleys spaced along the cable or spiral wound peaks and valleys wound around the cable.
  • the connector is easily mounted on the cable without the necessity of trimming the outer conductor in the cable to expose a peak in the conductor. There is no need to remove insulation from under the exposed end of the outer conductor before mounting the connector on the cable.
  • the connector is freely inserted over the end of the cable.
  • the central conductor extends into a contact pin at the center of the conductor.
  • the end of the large diameter outer conductor extends freely into a cylindrical conductive member which is surrounded by a cylindrical deformable elastomer.
  • the elastomer is confined in a chamber in the connector between the connector body and a rearwardly extended cover.
  • the cover is forced axiaily toward the body to reduce the volume of the chamber, compress the elastomer, flow the elastomer radially inwardly and force the conductive member against the outer conductor to establish a reliable, large surface area electrical connection with the outer surface of the corrugated cable.
  • the conductive member is electrically connected to the connector body so that a reliable connection is established between the outer conductor and the connector body.
  • the contact pin engages the central conductor.
  • the cover is frictionally held on the body so that the compressed elastomer is confined and resilientiy holds the conductive member against the outer cable conductor.
  • connection extends along an appreciable length of the cable.
  • the elastomer is deformed radially inwardly to hold the conductive member against the outer conductor at a number of corrugations in order to form a strong interlocking physical connection between the connector and cable.
  • the connection is stronger than the physical connection formed between a corrugated coaxial cable and a conventional connector.
  • FiG. 1 is an exploded view of a connector for a corrugated coaxial cable
  • FIG. 2 is a partial sectional view illustrating the assembled connector in position to receive an end of a corrugated coaxial cable
  • FIG. 3 is a view similar to FIG. 2 showing the cable inserted into the connector.
  • FIG. 4 is a view showing the connector fully mounted on the end of the cable;
  • FIG. 5 is a perspective view of a conductive member for engaging the outer conductor in the corrugated cable connector
  • FIGS. 6 and 7 are perspective views of different embodiment conductive members
  • FIG. 8 is a partial sectional view of an elastomer member with a conductive surface
  • FIG. 9 is a view of a second embodiment connector.
  • Coaxial cable connector 10 is mounted on the end of corrugated coaxial cable 12 and forms electrical connections with the inner metal conductor 14 and outer corrugated metal conductor 16 on the cable.
  • the inner and outer cable conductors are separated by foam insulation 18.
  • the connector 10 establishes electrical connections between the cable conductors and a cable mounting port.
  • the corrugated outer conductor 16 includes a number of circular peaks 20 and valleys 22 spaced axially along the length of the cable.
  • the outer conductor may be spiral wound with spiral . peaks and valleys extended along the length of the cable.
  • Coaxial cable connector 10 includes a two-part tubular metal body
  • Member 24 has an outer flange 26 extending around the body between the cable end 28 and port end 30 of the member.
  • Threaded coupler nut 32 is fitted over end 28 and includes a radially inward collar 34 engaging flange 26. The threads on the nut surround body port end 30.
  • Metal contact pin 36 establishes electrica! connection with the inner conductor 14 of cable 12.
  • Pin 36 includes central collar 38 and a number of flexible contact fingers 40 spaced around the cable end of the pin and surrounding a central opening in the cable end of the pin. The pin has a close fit in the opening.
  • the ends 42 of fingers 40 are tapered radially inwardly. Latch shoulders 44 extend outwardly from the fingers.
  • Pin 36 is inserted into the central opening of cylindrical plastic alignment collar 46.
  • Flexible fingers 48 on the inside of the collar latch onto the pin between pin collar 38 and shoulders 44. See FIG. 2.
  • the collar 46, with pin in place, is pressed into the port end of member 24.
  • Body member 24 includes a radial inner flange 50 located between flange 26 and cable end 28.
  • Plastic ring 52 is inserted into the port end 30 of member 24 prior to insertion of pin 36 and collar 46 and engages the port side of flange 50.
  • Ring 52 includes a conical wall 54 extending radially inwardly from flange 50 defining a cylindrical wall 55 having an interior diameter slightly greater than the diameter of inner conductor 14 to permit free insertion of the inner conductor into the wall and under fingers 40.
  • the port end of wail 55 is tapered for cam engagement with finger ends 42.
  • the finger ends 42 extend under wall
  • Body member 25 has generally cylindrical port portion 58 and cable portion 60. Portions 58 and 60 join at a circumferential step 62 facing end 28 so that portion 60 is thicker than portion 58. Inwardly facing tapered step 64 extends around cover end 66. The interior diameter of end 66 has a sliding fit on insulation 68 on cable 12. The interior diameter of portion 70 of body member 24 extending toward the cable from flange 50 is the same as the interior diameter of portion 60 between steps 62 and 64.
  • Elastomer member or tube 72 is fitted in interior chamber 73 of connector body 23 inside of body 23.
  • the chamber extends between flange 50 and step 64 and around the interior of body 23.
  • the chamber surrounds and forms the interior volume of the connector body.
  • Cylindrical thin wall conductive member 74 is fitted inside the port end of elastomer member 72.
  • the conductive member 74 is formed from conductive metal and includes spaced continuous cylindrical bands 76 and 78, and a plurality of spaced spiral strips 80 extending helically around the circumference of the member and joining bands 76 and 78. Integral radial flange 82 extends outwardly from band 78. The flange is located between the port end of the elastomer member 72 and flange 50.
  • elastomer member 72 extends between flange 50 and step 64 to fill chamber 73.
  • the inner surface of member 72 includes a step 84 at the cable end of conductive member 74 having a height equal to the thickness of insulation 68 on cable 12.
  • the interior diameter of conductive member 74 is slightly greater than the exterior diameter of cable outer conductor 16 at peaks 20 to permit free insertion of the exposed outer conductor 16 into connector 10 from the position of FIG. 2 to the position of FIG. 3.
  • Insertion of the. cable into the interior volume 85 of the connector to the position of FIG. 3 extends inner metal conductor 14 between pin fingers 40 and moves the lead end of the cable outer conductor 16 and insulation 18 adjacent flange 50.
  • the outer conductor is moved into member 74 with peaks 20 engaging member 74.
  • the end of the cable insulation 68 engages step 84. See FIG. 3.
  • a tool drives body member 25 along body member 24 a distance "A" sufficient to move step 62 against end 28.
  • Movement of member 25 from the position of FIG. 2 to the position of FIG. 3 reduces the volume of chamber 73, compresses and eiastically flows elastomer member 72 radially inwardly against conductive member 74 and forces strips 80 radially inwardly against the corrugated outer cable conductor 16. Each strip is held against peaks and valleys on the outer conductor of the cable.
  • the compressed member 72 tightly holds flange 82 against body flange 50.
  • Compressed elastomer member 72 establishes large area electrical connections between conductive member 74 and outer cable conductor 16 and body member 24. The connections extend 360 degrees around the cable.
  • the portion of compressed member 72 overlying the cable insulation 68 forms a weatherproof seal to prevent moisture from entering the connector along the cable insulation.
  • the compressed elastomer also prevents moisture from entering the connector past abutting end 28 and step 62.
  • the bands 76 and 78 and strips 80 are bent to conform to the shape of conductor 16.
  • the compressed member 72 fills the reduced volume chamber 73 and fills the valleys in the cable.
  • Connector 10 is mounted on coaxial cable 12 without having to trim the end of the outer cable conductor accurately or cut away insulation under the outer cable conductor.
  • FIG. 4 shows a valley at the end of the outer conductor
  • connector 10 may be mounted on cables independently of the location of the end of the outer conductor with regard to peaks and valleys on the conductor, The large area connection improves the current carrying capacity of the connector and improves shielding.
  • the conductive member 74 provides a 360-degree shield extending between the outer conductor 16 to body 23.
  • Elastomer member 72 may be formed from silicone rubber or a suitable compressible elastomer having the ability of flowing elastically into the valleys in the cable and holding the conductive member 74 against the outer cable conductors 16 and flange 50.
  • the elastomer may be made of a homogeneous conductive elastomer so that the entire member forms an electrical connection between the outer cable conductor 16 and body 23.
  • the port end of the connector is attached to a conventional cable port by inserting the end into the port and rotating nut 32 to secure the connector to the port.
  • The- ⁇ trong interlocked mechanical connection between the connector and the cable supports the cable extending away from the connector so that the weight of the cable does not stress the electrical connection between the connector and cable.
  • FIGS. 6 and 7 illustrate alternative conductive members 86 and 88, similar to conductive member 74.
  • Cylindrical thin wall conductive member 86 is formed from thin conductive metal and includes a cylindrical body 90 having spaced continuous bands 92 and 94 and a number of serpentine strips 96 extending between bands 92 and 94.
  • Serpentine strips 96 extend parallel to the axis of body 90 and include a number of slitted, sharp U-bends or reverse curves 98 spaced along the strip. The curves are formed within the thickness of body 90. As illustrated, the U-bends are closely spaced along the length of strips 98 and are separated from adjacent bends and strips by narrow slots.
  • Radial flange 100 extends outwardly from band 92, like flange 82.
  • Cylindrical thin wall conductive member 88 is formed from thin conductive metal and includes a cylindrical body 102 having a pair of spaced circumferential bands 104 and 106 and having a plurality of serpentine strips 108 extending between the bands.
  • Strips 108 are generally sinusoidal in shape and include a number of smooth U-bends 110. Bends 110 are spaced along the length of the strips 108 and are separated from adjacent strips by narrow slots. Radiai flange 112 extends outwardly from band 106.
  • Members 86 and 88 may be used in connector 10 in place of member 74. Reduction of the volume of chamber 73 flows elastomer member 72 radially inwardly to deform the strips 96 or 118 inwardly and against the corrugated outer conductor of cable 12. Compression of the body also holds flange 100 or 112 against connector member 24 so that the conductive member forms an electrical connection between the outer conductor of the cable and the connector body, as described previously.
  • FIG. 8 illustrates a tubular conductive elastomer member 105 which may be used in coaxial cable connector 10 in place of elastomer member 72 and conductive member 74.
  • Member 105 has an elastomer body 107 like the body of member 72 with an integral thin conductive layer or skin 109 on the outer surface of body 107.
  • the inner portion 111 of layer 109 is forced against the peaks and valleys of the outer cable conductor to form an electrical connection with the outer conductor.
  • end face 113 of the conductive layer is forced against flange 50 to form an electrical connection with body member 24.
  • the conductive layer 109 forms a 360 degree continuous electrical connection between the outer cable conductor and the connector body.
  • the outer conductive layer 109 may be formed from a rubber with conductive material diffused throughout the rubber.
  • the conductive material may be carbon filaments or metal filaments or carbon nano tubes which contact each other.
  • the conductive layer may be a thin metal foil bonded to the elastomer.
  • Second embodiment connector 114 shown in FIG. 9 forms electrical connections with corrugated coaxial cable 116.
  • the connector 114 is similar to connector 10.
  • the cable may be identical to cable 12 or, alternatively, may have spiral wound outer corrugations.
  • Connector 114_ has a two-part tubular metal body 119 formed. from tubular body members 120 and 121.
  • Member 120 has an outwardly extending flange 122 located between the port end of the member and radially inwardly extending fiange 124 at the cable end of the member.
  • Bushing 126 is seated in the interior of the member and holds collar 128 and ring 130 in place in the body with the ring abutting flange 124.
  • Coliar 128 and ring 130 are similar to previously described coilar 46 and ring 52.
  • Pin 132 is identical to pin 36.
  • Member 121 is mounted on the exterior surface of member 120 between flanges 122 and 124.
  • Member 121 is tubular and includes a cylindrical inner surface 138 having a friction fit on the outer surface 142 of member 120.
  • Nut 135, like nut 30 is mounted on member 120 and engages flange 122.
  • the connector Prior to mounting the cable on connector 114, the connector is in a cable-receiving position with member 121 shifted to the right of the position shown in FlG. 9.
  • the port end 144 of the member is on member 120 a distance away from flange 122.
  • Unstressed elastomer tube or member 150 like member 72, is fitted in chamber 146 extending between flange 124 and end 148.
  • a thin wail cylindrical conductive member 152 which may be identical to one of the previously described members 74, 86 or 88, is positioned in the port end of the elastomer body 150.
  • Member 152 includes a radial flange 154 located between the port end of body 150 and flange 124.
  • the body 150 includes a step 156 like step 84.
  • a tool is used to drive the member 121 toward member 120 to the position shown in FIG. 8.
  • the volume of chamber 146 is reduced so that the elastomer body 150 is compressed and flows radially inwardly to deform the cylindrical portion of conductive member 152 against the outer conductor 160 and establish an electrical connection therewith. Compression of the elastomer member also holds the conductive member against flange 154 to form electrical connection between the flange and body 120.
  • the tool drives pin 132 toward cable 116 to seat the fingers on the cable end of the pin under ring 130 to form an electrical connection between the conductor and pin. Frictionai engagement between members 120 and 121 holds the body in the position shown in FiG. 9 to maintain the interlocked effectrical and physical connection between the connector and cabie.

Landscapes

  • Coupling Device And Connection With Printed Circuit (AREA)
  • Multi-Conductor Connections (AREA)
  • Connections By Means Of Piercing Elements, Nuts, Or Screws (AREA)

Abstract

L'invention concerne un connecteur électrique qui est monté sur un câble coaxial ondulé. Une connexion électrique avec le conducteur extérieur du câble est formée en comprimant un corps élastomère entourant l'extrémité du câble et en faisant s'écouler le corps vers l'intérieur contre le câble afin de maintenir un élément conducteur en contact électrique avec le conducteur extérieur.
EP07760164A 2006-07-19 2007-04-05 Connecteur pour câble coaxial ondulé et procédé Withdrawn EP2052441A4 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US11/458,475 US7156696B1 (en) 2006-07-19 2006-07-19 Connector for corrugated coaxial cable and method
US47037206A 2006-09-06 2006-09-06
PCT/US2007/066038 WO2008011202A2 (fr) 2006-07-19 2007-04-05 Connecteur pour câble coaxial ondulé et procédé

Publications (2)

Publication Number Publication Date
EP2052441A2 true EP2052441A2 (fr) 2009-04-29
EP2052441A4 EP2052441A4 (fr) 2010-07-07

Family

ID=38957436

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07760164A Withdrawn EP2052441A4 (fr) 2006-07-19 2007-04-05 Connecteur pour câble coaxial ondulé et procédé

Country Status (2)

Country Link
EP (1) EP2052441A4 (fr)
WO (1) WO2008011202A2 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7934954B1 (en) 2010-04-02 2011-05-03 John Mezzalingua Associates, Inc. Coaxial cable compression connectors

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4824401A (en) * 1987-03-13 1989-04-25 Georg Spinner Connector for coaxial lines with corrugated outer conductor or for corrugated waveguide tubes
US5763833A (en) * 1993-01-15 1998-06-09 Thomas & Betts Corporation Electrical connector fitting
US6034325A (en) * 1997-09-16 2000-03-07 Thomas & Betts Corporation Connector for armored electrical cable
EP1255321A1 (fr) * 2001-04-25 2002-11-06 Karin Daume Maschinenteile GmbH & Co. KG Dispositif pour la connexion électrique d'un conducteur extérieur d'un câble coaxial avec l'enlèvement d'une partie de l'isolation
US20040239578A1 (en) * 2001-02-15 2004-12-02 Integral Technologies, Inc. Low cost electromagnetic field absorbing devices manufactured from conductive loaded resin-based materials

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5795188A (en) * 1996-03-28 1998-08-18 Andrew Corporation Connector kit for a coaxial cable, method of attachment and the resulting assembly

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4824401A (en) * 1987-03-13 1989-04-25 Georg Spinner Connector for coaxial lines with corrugated outer conductor or for corrugated waveguide tubes
US5763833A (en) * 1993-01-15 1998-06-09 Thomas & Betts Corporation Electrical connector fitting
US6034325A (en) * 1997-09-16 2000-03-07 Thomas & Betts Corporation Connector for armored electrical cable
US20040239578A1 (en) * 2001-02-15 2004-12-02 Integral Technologies, Inc. Low cost electromagnetic field absorbing devices manufactured from conductive loaded resin-based materials
EP1255321A1 (fr) * 2001-04-25 2002-11-06 Karin Daume Maschinenteile GmbH & Co. KG Dispositif pour la connexion électrique d'un conducteur extérieur d'un câble coaxial avec l'enlèvement d'une partie de l'isolation

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2008011202A2 *

Also Published As

Publication number Publication date
WO2008011202A2 (fr) 2008-01-24
EP2052441A4 (fr) 2010-07-07
WO2008011202A3 (fr) 2008-12-18

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