US3549786A - Insulation piercing connector - Google Patents

Insulation piercing connector Download PDF

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Publication number
US3549786A
US3549786A US822804A US3549786DA US3549786A US 3549786 A US3549786 A US 3549786A US 822804 A US822804 A US 822804A US 3549786D A US3549786D A US 3549786DA US 3549786 A US3549786 A US 3549786A
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US
United States
Prior art keywords
conductor
connector
teeth
insulation
tooth
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
US822804A
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English (en)
Inventor
Lai Che Kuo
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.)
ABB Installation Products Inc
Original Assignee
Thomas and Betts Corp
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 Thomas and Betts Corp filed Critical Thomas and Betts Corp
Application granted granted Critical
Publication of US3549786A publication Critical patent/US3549786A/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
    • 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
    • H01R4/24—Connections using contact members penetrating or cutting insulation or cable strands
    • H01R4/2495—Insulation penetration combined with permanent deformation of the contact member, e.g. crimping

Definitions

  • the form of the teeth is such as to provide a point and from two to five cutting surfaces to cut through the insulation of the conductor in order to make a good electrical contact therewith and to make a good mechanical contact with both the insulation and the central conductor itself.
  • the conductor contact member will have provided with it a number of coupling means for coupling the conductor to the conductor contact member or the conductor contact member itself may be fabricated in such a manner as to be mechanically deformed about a conductor to make the desired connection.
  • PATENTEUUEC22I97B 3.549786 sum 1 or 2 INVENTOR.
  • Field of the Invention Y The invention is directed to the field of making sound mechanical and good electrical contact with an insulated conductor without requiring that the insulation be removed therefrom. It is necessary that sufficient piercing of the insulation be achieved in order that a goodelectrical contact be made with the electrical conductor within plus sufficientcontact be made with both theconductor and the insulation in order to ensure a good mechanical joint.
  • Such a connector is generally required wherein sufficient time is available to strip the insulation from the conductor or in those situations in which the removal of the insulation is difficult or such removal may injure the conductor.
  • the connector may be also employed withsolid uninsulated conductors when it is necessary to break the oxide barrier on the outside surface of the con-- ductor in order to ensure a good electrical contact with the material of the conductoritself.
  • the protuberances 22 are generally of insufficient strength to ensure a good continuous contact with the conductor through the insulation. Generally, many of the protuberances 22 are bent out of position by the application of the crimping forces and fail to make contact. Further, if the insulation is of the type generally applied to magnetic wire, crimping force applied is generally insufficient to force the protuberances 22 to cut through the coated insulation of the magnetic wire and enter into the wire to make a good electrical contact therewith. Further, the failure to penetrate the insulation and to bite into the conductor fails to make a mechanical junction therewith which results in a connector which can be readily severed, or'readily separated from the conductor and which when connected will provide a poor electrical contact therewith.
  • the present invention seeks to overcome the difficulties noted above with respect to prior art connectors for insulated conductors by providing an insulation piercing connector of increased strength and which can provide a reliable electrical contact with the conductor through its insulation and which provides a good mechanical coupling between the connector and the insulated conductor.
  • This is achieved by means of a novel conductor contact member which has struck from its surface a plurality of teeth that are hardened by the very process of striking them from the surface of the conductor contact member.
  • the shape of the teeth is such as to provide a point at the top thereof and from two to five cutting edges to ensure piercing of the insulation and the entry of the teeth within the material of the conductor itself.
  • the shape of the teeth are made such as to reinforce them to prevent them from being displaced from their desired position by any crimping action which connects the connector to the conductor.
  • recesses are provided adjacent each of the teeth to provide space for the flowing of the insulation material, or the material of the conductor, which occurs during the crimping operation and which in prior art devices might cause the separation of the connector from the conductor during: the crimping operation. Further, the recesses permit the material of the conductor to expand without destruction of the joint.
  • the conductor contact member is provided in a relatively flat strip arrangement and requires the use of an additional coupling means for coupling the conductor contact member to the conductor.
  • the conductor contact member is performed in order to receive within it the conductor such that upon mechanical deformance of the conductor contact member the connector is mechanically and electrically coupled to the insulated conductor. It is an object of this invention to provide an improved insulation piercing connector.
  • FIG. 1 is a side perspective view of a first embodiment of a connector constructed in accordance with the concepts of the invention.
  • FIG. 2 is a side elevation of the connector of FIG. 1 applied to an insulated conductor by means of a coupling device.
  • FIG. 3 is a side elevation, partially in section, of a portion of the connector FIG. 1.
  • FIG. 4 is a top plan view of a portion of the connector of FIG. 1.
  • FIG. 5 is a top plan view of a modification of the connector shown in FIG. 1.
  • FIG. 6 is a top plan view of a further modification to the connector shown in FIG. 1.
  • FIG. 7 is a rear perspective view of a modification of the teeth of the connector of FIG. 1.
  • FIG. 8 is a rear perspective view of a further embodiment of a connector constructed in accordance with the concepts of the invention.
  • FIG. 9 is a front elevational view of the connector of FIG. 8 partially in section and shown applied to insulated conductors.
  • FIG. 10 is a side perspective view of a further embodiment of a connector constructed in accordance with the concepts of the invention.
  • FIG. 11 is a side elevational view of the connector of FIG. I
  • FIG. 12 is a front elevational view of a further embodiment of a connector constructed in accordance with the concepts of the invention.
  • FIG. 13 is a side elevation of a further embodiment of a connector constructed in accordance with the concepts of the invention. 7
  • FIG. I4 is a side perspective view of a further embodiment of a connector constructed in accordance with the concepts of the invention.
  • FIG. 15 is a side perspective view of yet another embodiment of a connector constructed in accordance with the concepts of the invention.
  • Connector 20 has a conductor contact member'22 coupled to a tongue 24 having an aperture 26 therein for receipt of a terminal screw therethrough.
  • tongue 24 is shown as a ring terminal it may just as well be a spade lug or any other convenient shape that is desired.
  • Skived from the surface the conductor contact member 22 are a plurality of teeth 28 forming recesses 30 adjacent each of the teeth 28. As is better seen in FIG.
  • the tooth 28a terminates in a point 32 and sits adjacent a recess 30 formed when the tooth 28a was struck from or skived from the surface of the material from which the connector 20 was formed.
  • the recess 30 is'of minimal depth at the far end, that is to the right of FIG. 3 and is of maximum depth at the left or adjacent the face of the tooth 28.
  • the tooth 28a as shown in FIG. 3 is that which would be created in the forming of the teeth 28, such as tooth 28a adjacent the bottom edge of the terminal 20 of FIG. 1.
  • additional teeth such as tooth 28b there will be formed on the front surface of the tooth 28a two planar portions 34 which, as will be explained below, provide additional cutting edges.
  • FIG. 4 the position of all of the cutting edges of a tooth 28a can be better appreciated.
  • the tooth 28a is followed by a recess 32 which recess will be employed to permit flowing of the insulation material and portions of the conductor itself as the tooth 28a engages the insulation and material of the conductor. It hasbeen found in the past that without provision for relief of the buildup of the insulation and metal of the conductor formed as a result of the biting of such teeth into the conductor, the material will attempt to return to positions formerly occupied and will achieve fully, or to some degree, the forcing of the tooth out of its desired position.
  • the rear surface 36 of the tooth 28a is planar and thus there is created two cutting edges 38 adjacent the ends of the planar surface 36.
  • the front face 40 of the tooth 28a is formed in a generally conical manner and has therein two planar portions 34 formed as a result of the skiving of the next adjacent tooth 28b of FIG. 1. The intersections of the planes 34 with the conical 40 of the tooth 28a result in additional cutting edges 42.
  • a conductor is placed upon the conductor contact member 22 in a direction generally shown by arrow X of FIG. 1 enabling each of the cutting edges 38 and 42 to either intrude between the strands of a stranded conductor or to bite into material of the solid conductor once the teeth have passed through the material of the insulation.
  • the connector 20 of FIG. 1 is assembled to a conductor 44, as is shown in FIG. 2, by means of a sleeve 46 which is passed over the conductor 44 and the conductor contact member 28, not visible in FIG. 2 and is then crimped, or otherwise mechanically deformed, about the conductor 44 and conductor contact member 22 in order to provide good mechanical and electrical connection therebetween.
  • tooth 50 has been skived in such a manner as to provide additional material for support, as at 52, which will take the shape of two generally triangular faces 54 meeting at the point 32 and extending into the recess 56.
  • an additional cutting edge 58 will be provided extending from the point 32 in the general direction of the recess 56.
  • tooth 60 as is shown in FIG.
  • teeth 64 may be created in such a manner as to place cutting edges 62 in planes different from one another.
  • teeth 64 have been formed such as to have serrated edges 66 in order to better grip the conductor and to prevent it from being'withdrawn from the connector.
  • a series-ofrecesses 68 are valuable for retaining such compound and preventing the same from being removed from the connector.
  • the tooth 64 may be created by first scoring the planar surface of the conductor contact member with a series of recesses such as 68. The teeth 54 are then skived from the conductor contact member to provide teeth 64 having serrated edges 66 as shown in FIG. 7.
  • connector 70 has a conductor contact member 72 formed in a generally U-shaped manner being lined for at least a portion of its internal surface with a series of teeth 74. Coupled to the conductor contact member 72 is, a tongue 76 having placed therein an aperture 78 for the receipt therethrough of a terminal screw.
  • a conductor (not shown) will be inserted in the U-shaped channel of the conductor contact member 72 in the direction generally shown by the arrow and then the upstanding arms 80 will be mechanically deformed about such conductor in order to ensure mechanical and electrical contact between the connector 70 and the conductor.
  • upstanding arms 80 will be rolled to seal about conductors such as 82. Alternatively they may be rolled in a single, either butt or overlapped configuration, about a single conductor.
  • the teeth 74 are arranged along the conductor contact member 72 in rows such as rows A, B and C and columns such as D, E and F to provide a more random pattern and to ensure that the teeth 74 will adequately seize the conductor to thus ensure a good electrical and mechanical coupling therewith. It should be noted that the teeth 74 of the row B and of each succeeding even numbered row are offset by approximately one-half column spacing of the teeth 74 in row A. Any convenient offset may be employed to thus ensuremaximum gripping of the teeth 74 into the conductor placed within the conductor contact member 72.
  • connectors have been shown to employ a tongue for connection of the conductor and connector to a further electrical assembly.
  • FIGS. 10 and 11 such utilization of a tongue member is not necessary in order to use the instant connector to join a conductor to a further electrical assembly.
  • connector'90 is employed to connect the conductor 92 to a bus bar 94 by means of a fastening means 96.
  • connector of FIG. 11 has its conductor contact member 98 formed in a generally L-shape with a plurality of teeth 100 lining the inner surface of the connector 90. Apertures 102 and 104 are provided through the legs of the conductor contact member 98 in order to receive a fastening means such as 96 of FIG. 11 therethrough.
  • FIGS. 14 and 15 a cylindrical splicer 119 is shown having a plurality of teeth 112 along at least a portion of the inner surface thereof. Conductors will be inserted from either, or both, ends of the open cylindrical connector and then the connector 110 will be applied to the conductors by an externally applied crimping force by a tool (not shown).
  • the connector 120 is generally of a rectangular configuration and has upon the inner surfaces of its upper member 126 and its lower member 124a series of teeth 126. Accordian like sides 128 permit the connector 120 to be closed about conductors inserted from either, or both, of the open ends to permit the connector 120 to be crimped to such conductors when subjected to an externally applied crimping force.
  • Conductor contact member 130 of FIG. 13 has teeth 134 on a first surface thereof and additional teeth 136 on a second surface opposite the first. Conductors may then be placed in contact with the teeth 134 and the additional teeth 136, and a sleeve such as the sleeve 46 of FIG. 2, may then be employed to couple conductor contact member 130 to the conductors.
  • FIG. 12 there is shown a tap 140 having a body portion 142, a saddle 144, which can be moved relative to conductors placed therein by means of a screw 146.
  • Conductor contact member 148 having a generally U-shape, and having teeth 150 on a first surface thereof and teeth l52on a second surface thereof is inserted between conductors 154 and 156.
  • An insulation piercing connector for making an electrical contact through the insulation of an insulated conductor comprising: conductor contact means arranged to be positioned adjacent an insulated conductor; a plurality of teeth on at least a portion of said conductor contact means positionable adjacent the insulation of an insulated conductor; coupling means adjacent said conductor contact means and positionable about an insulated conductor for bringing said teeth of said conductor contact means into intimate contact with an insulated conductor positioned adjacent said conductor contact means; said teeth being struck from a first surface of said conductor contact means and having a point and at least two cutting edges extending therefrom; the longitudinal axis of said teeth being disposed substantially normal to the plane of said conductor contact means; a first portion of the surface of each of said teeth is comprised of two planar regions meeting in a third-cutting edge extending to said point; and a plurality of recesses, one for each tooth adjacent its associated tooth.
  • a connector as defined in claim 1, wherein a further portion of the surface of each of said teeth is conical and further comprises a plurality of recesses extending along said conical surface of each of said teeth, said recesses intersecting said two cutting edges whereby said two cutting edges are serrated.
  • a connector as defined in claim '3, wherein the teeth in the second and each succeedingeven row are offset with respect to the column spacing of the teeth in the odd rows.
  • each of said teeth are composed of material harder than said conductor contact means.
  • a connector as defined in claim 1, wherein said conductor contact means has formed therein coupling means for coupling to an electrical terminal.
  • a connector as defined in claim 1, wherein said coupling means is a deformable sleeve arranged to be deformed by an externally applied force whereby said insulated conductor is coupled to said conductor contact means and said teeth pierce the insulation of said conductor.
  • a connector as defined in claim 1, wherein said conductor contact means has formed therein at one end thereof an electrical contact coupling means for coupling to an electrical terminal.
  • a connector as defined in claim 1, further comprising: a plurality of additional teeth struck from a second surface of said conductor contact means.
  • a connector as defined in claim 1, wherein said conductor contact means is folded along one dimension whereby said teeth extend along both exposed surfaces of said folder conductor contact means.
  • a connector as defined in claim 1, further comprising a plurality of second recesses, one for each tooth; said second recesses each being located in a portion of the surface of its associated tooth; and two additional cutting edges for each tooth partially defining each of said second recesses.
  • An insulation piercing connector for making an electrical contact through the insulation of an insulated conductor comprising: conductor contact means arranged to be positioned adjacent an insulated conductor; a plurality of teeth on at least a portion of said conductor contact means positionable adjacent the insulation of an insulated conductor; coupling means adjacent said conductor contact means and positionable about an insulated conductor for bringing said teeth of said conductor contact means into intimate contact with an insulated conductor positioned adjacent said conductor contact means; said teeth being struck from a first surface of said conductor contact means and having a point and at least two first cutting edges extending therefrom and defining a first surface of said tooth; the longitudinal axis of said teeth being disposed substantially normal to the plane of said conductor contact means; a plurality of first recesses, one for each tooth, adjacent said first surface of its associated tooth; a plurality of second recesses, one for each tooth; said second recesses being located in a second surface of its associated tooth; and at least two second-cutting edges for each tooth partially defining
  • a connector as defined in claim 12, wherein said second surface is conical and further comprises a plurality of recesses extending along said conical surface of each of said teeth, said recesses intersecting said two first-cutting edges whereby said two first-cutting edges are serrated.
  • a connector as defined in claim 12, wherein said teeth are arranged in rows along the length of said conductor contact means and columns along the width thereof.
  • a connector as defined in claim 12, wherein said conductor contact means has formed therein coupling means for coupling to an electrical terminal.
  • a connector as defined in claim 12, wherein said coupling means is a deformable sleeve arranged to be deformed by an externally applied force whereby said insulated conductor is coupled to said conductor contact means and said teeth pierce the insulation of said conductor.
  • a connector as defined in claim 12, further comprising: a plurality of additional teeth struck from a second surface of said conductor contact means.
  • a connector as defined in claim 12, wherein said conductor contact means is folded along one dimension whereby said teeth extend along both exposed surfaces of said folded conductor contact means.
  • a connector as define d in claim 12, wherein said first surface of said tooth is comprised of two planar regions meeting in a third-cutting edge extending to said point.

Landscapes

  • Connections By Means Of Piercing Elements, Nuts, Or Screws (AREA)
  • Multi-Conductor Connections (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
US822804A 1969-04-04 1969-04-04 Insulation piercing connector Expired - Lifetime US3549786A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US82280469A 1969-04-04 1969-04-04

Publications (1)

Publication Number Publication Date
US3549786A true US3549786A (en) 1970-12-22

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Application Number Title Priority Date Filing Date
US822804A Expired - Lifetime US3549786A (en) 1969-04-04 1969-04-04 Insulation piercing connector

Country Status (7)

Country Link
US (1) US3549786A (zh)
JP (1) JPS4840944B1 (zh)
BE (1) BE748130A (zh)
FR (1) FR2042171A5 (zh)
GB (1) GB1250148A (zh)
NL (1) NL167057C (zh)
SE (1) SE377406B (zh)

Cited By (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3752901A (en) * 1971-08-23 1973-08-14 Thomas & Betts Corp Foil connector
US4054349A (en) * 1974-03-28 1977-10-18 General Electric Company Apparatus for establishing multi-point electrical contact with an insulated conductor
DE3019686A1 (de) * 1979-05-25 1980-11-27 Thomas & Betts Corp Anschlussverbindungsstueck fuer flachkabel
US4237718A (en) * 1979-05-25 1980-12-09 Thomas & Betts Corporation Bending tool
FR2457575A1 (fr) * 1979-05-25 1980-12-19 Thomas & Betts Corp Organe de serrage a verrouillage automatique agence pour etre connecte a un cable electrique plat
US4321122A (en) * 1980-03-31 1982-03-23 Eastman Kodak Company Apparatus for forming electrical contact with an analysis slide
EP0084413A2 (en) * 1982-01-07 1983-07-27 Thomas & Betts Corporation Adapter and method for tapping or splicing flat multiconductor cable
US4558915A (en) * 1980-02-21 1985-12-17 Thomas & Betts Corporation Electrical connector
US6056605A (en) * 1995-10-28 2000-05-02 Robert Bosch Gmbh Contact element with crimp section
EP1187256A2 (de) * 2000-09-05 2002-03-13 Woertz Ag Elektrisches Verbindungselement
US20060199422A1 (en) * 2005-03-04 2006-09-07 Hoisington Mark A Intermeshing insulation-piercing elements for an insulation-piercing connector
US7210958B1 (en) 2005-12-20 2007-05-01 Etco, Inc. Electrical contact crimp ear serration
WO2007068280A1 (en) * 2005-12-16 2007-06-21 Fci Crimping method and device manufactured thereby
US20100206631A1 (en) * 2009-02-16 2010-08-19 Peters Kenneth J Terminal having integral oxide breaker
WO2012025372A1 (en) * 2010-08-23 2012-03-01 Tyco Electronics Amp Gmbh Electric connecting terminal as well as method and device for producing an electric connecting terminal
US8622774B2 (en) 2011-11-07 2014-01-07 Delphi Technologies, Inc. Electrical contact having channel with angled sidewalls and romboid knurl pattern
US20150041211A1 (en) * 2013-08-12 2015-02-12 Tyco Electronics Corporation Low resistance insert
US10164348B2 (en) 2009-02-16 2018-12-25 Carlisle Interconnect Technologies, Inc. Terminal/connector having integral oxide breaker element
US20190089072A1 (en) * 2016-03-17 2019-03-21 Tatsuta Electric Wire & Cable Co., Ltd. Terminal metal fitting and terminal metal fitting-equipped insulating wire
US20190207328A1 (en) * 2017-12-28 2019-07-04 Te Connectivity Germany Gmbh Mechanical Connecting Element, Electrical Contact Device And Electrical Connector
US20190260142A1 (en) * 2016-11-08 2019-08-22 Hubbell Incorporated Insulation piercing tap connector

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2378371A2 (fr) * 1977-01-21 1978-08-18 Mars Actel Connecteur pour conducteur electrique

Cited By (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3752901A (en) * 1971-08-23 1973-08-14 Thomas & Betts Corp Foil connector
US4054349A (en) * 1974-03-28 1977-10-18 General Electric Company Apparatus for establishing multi-point electrical contact with an insulated conductor
DE3019686A1 (de) * 1979-05-25 1980-11-27 Thomas & Betts Corp Anschlussverbindungsstueck fuer flachkabel
US4237718A (en) * 1979-05-25 1980-12-09 Thomas & Betts Corporation Bending tool
FR2457575A1 (fr) * 1979-05-25 1980-12-19 Thomas & Betts Corp Organe de serrage a verrouillage automatique agence pour etre connecte a un cable electrique plat
US4248493A (en) * 1979-05-25 1981-02-03 Thomas & Betts Corporation Self-locking clamp member
US4558915A (en) * 1980-02-21 1985-12-17 Thomas & Betts Corporation Electrical connector
US4321122A (en) * 1980-03-31 1982-03-23 Eastman Kodak Company Apparatus for forming electrical contact with an analysis slide
EP0084413A2 (en) * 1982-01-07 1983-07-27 Thomas & Betts Corporation Adapter and method for tapping or splicing flat multiconductor cable
EP0084413A3 (en) * 1982-01-07 1986-11-20 Thomas & Betts Corporation Adapter and method for tapping or splicing flat multiconductor cable
US6056605A (en) * 1995-10-28 2000-05-02 Robert Bosch Gmbh Contact element with crimp section
EP1187256A2 (de) * 2000-09-05 2002-03-13 Woertz Ag Elektrisches Verbindungselement
EP1187256A3 (de) * 2000-09-05 2002-10-02 Woertz Ag Elektrisches Verbindungselement
US7131856B2 (en) * 2005-03-04 2006-11-07 3M Innovative Properties Company Intermeshing insulation-piercing elements for an insulation-piercing connector
US20060199422A1 (en) * 2005-03-04 2006-09-07 Hoisington Mark A Intermeshing insulation-piercing elements for an insulation-piercing connector
WO2007068280A1 (en) * 2005-12-16 2007-06-21 Fci Crimping method and device manufactured thereby
US7210958B1 (en) 2005-12-20 2007-05-01 Etco, Inc. Electrical contact crimp ear serration
US20100206631A1 (en) * 2009-02-16 2010-08-19 Peters Kenneth J Terminal having integral oxide breaker
US10164348B2 (en) 2009-02-16 2018-12-25 Carlisle Interconnect Technologies, Inc. Terminal/connector having integral oxide breaker element
US8519267B2 (en) 2009-02-16 2013-08-27 Carlisle Interconnect Technologies, Inc. Terminal having integral oxide breaker
US8979601B2 (en) 2010-08-23 2015-03-17 Tyco Electronics Amp Gmbh Electric connecting terminal as well as method and device for producing an electric connecting terminal
WO2012025372A1 (en) * 2010-08-23 2012-03-01 Tyco Electronics Amp Gmbh Electric connecting terminal as well as method and device for producing an electric connecting terminal
US8622774B2 (en) 2011-11-07 2014-01-07 Delphi Technologies, Inc. Electrical contact having channel with angled sidewalls and romboid knurl pattern
US20150041211A1 (en) * 2013-08-12 2015-02-12 Tyco Electronics Corporation Low resistance insert
US9653194B2 (en) * 2013-08-12 2017-05-16 Te Connectivity Corporation Low resistance insert
US20190089072A1 (en) * 2016-03-17 2019-03-21 Tatsuta Electric Wire & Cable Co., Ltd. Terminal metal fitting and terminal metal fitting-equipped insulating wire
US10608350B2 (en) * 2016-03-17 2020-03-31 Tatsuta Electric Wire & Cable Co., Ltd. Terminal metal fitting and terminal metal fitting-equipped insulating wire
US20190260142A1 (en) * 2016-11-08 2019-08-22 Hubbell Incorporated Insulation piercing tap connector
US11309642B2 (en) * 2016-11-08 2022-04-19 Hubbell Incorporated Insulation piercing tap connector
US20190207328A1 (en) * 2017-12-28 2019-07-04 Te Connectivity Germany Gmbh Mechanical Connecting Element, Electrical Contact Device And Electrical Connector

Also Published As

Publication number Publication date
DE2016360B2 (de) 1972-11-02
FR2042171A5 (zh) 1971-02-05
DE2016360A1 (de) 1970-10-15
JPS4840944B1 (zh) 1973-12-04
NL7002620A (zh) 1970-10-06
NL167057C (nl) 1981-10-15
GB1250148A (zh) 1971-10-20
BE748130A (fr) 1970-09-28
NL167057B (nl) 1981-05-15
SE377406B (zh) 1975-06-30

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