EP1848062B1 - Electrical conductors connector - Google Patents
Electrical conductors connector Download PDFInfo
- Publication number
- EP1848062B1 EP1848062B1 EP07251642A EP07251642A EP1848062B1 EP 1848062 B1 EP1848062 B1 EP 1848062B1 EP 07251642 A EP07251642 A EP 07251642A EP 07251642 A EP07251642 A EP 07251642A EP 1848062 B1 EP1848062 B1 EP 1848062B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- switch
- connector
- clamping
- connector according
- clamping component
- 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.)
- Not-in-force
Links
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- 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
- H01R4/38—Clamped connections, spring connections utilising a clamping member acted on by screw or nut
- H01R4/44—Clamping areas on both sides of screw
-
- 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
- H01R13/66—Structural association with built-in electrical component
- H01R13/70—Structural association with built-in electrical component with built-in switch
-
- 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
- H01R4/2404—Connections using contact members penetrating or cutting insulation or cable strands the contact members having teeth, prongs, pins or needles penetrating the insulation
- H01R4/2408—Connections using contact members penetrating or cutting insulation or cable strands the contact members having teeth, prongs, pins or needles penetrating the insulation actuated by clamping screws
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R31/00—Coupling parts supported only by co-operation with counterpart
- H01R31/08—Short-circuiting members for bridging contacts in a counterpart
Definitions
- the invention to which this application relates is to the provision of a connector of the type which can be used to connect, electrically and mechanically, at least two electrical conductors so as to allow an electrical connection to be achieved between the respective conductors.
- connectors for electrical conductors are well known and the particular type of connector which is used can be determined by the voltage level which is required to pass through the conductors and/or whether the connection is to be made while the conductors are live or when they are themselves unconnected from the electricity supply.
- the connector is for use in the connection of electrical conductors which are live throughout the connection process and it will therefore be appreciated that there is a need for good safety provisions for the personnel who will be performing the connection.
- the connector as herein described is of particular use for the connection of electrical conductors carrying less than 1,000 volts, said conductors typically used to connect branch conduction lines from a network electricity supply, although it should be appreciated that this is not the only use.
- connection of electrical conductors while live can be achieved already using conventional connectors and connection processes.
- safety clothing and specific methods it is still frequently the case that arcing and/or the provision of sparks, and generally dangerous conditions can be created if the connection does not take place strictly in accordance with the suggested method. This causes danger to the personnel performing the connection and/or the adjacent personnel and premises.
- a further problem which is often experienced is that the electricity supply may often carry a load prior to, or as soon as the connection is made.
- the load can be created by one or numerous pieces of electrical apparatus which are in various premises connected to the network and which are switched on.
- the personnel conducting the live connection have no practical way of identifying what the particular load will be at the time of connection and therefore, as the occurrence of load can make the live connection more dangerous, there is a need to take into account the possibility of a load being present.
- Document GB2348056 discloses a connector which has two connector components, a first component which receives a first conductor and a second conductor connected to a second connector component.
- the second connector component receives a further conductor and the second connector component includes switching means therein.
- the aim of the present invention is to provide an improved form of electrical conductor which renders the same more effective and more practically easy to use.
- a connector for the electrical connection of first and second electrical conductors said connector having a body including a first means with jaw members for mechanical location of the first electrical conductor and a second means with jaw members for mechanical location of the second electrical conductor and electrical connection of the first and second electrical conductors, and a switch which, when actuated, causes electrical connection between said jaw members of the first and second means, said switch has a connector portion actuated by a biasing means, said biasing means is movable between a switch open position and a switch closed position in response to movement of a user actuated clamping component located with the body of the connector and a safety device is provided to prevent the clamping component from being actuated to move the biasing means to move the switch to the closed position until first and second clamping means have been moved to mechanically locate the conductors in the connector and characterised in that the clamping component is positioned to lie between the said first and second clamping means.
- the movement of the switch occurs under the influence of an applied force which is released to act on the switch.
- At least one of the conductors is live throughout the connection process.
- the outer housing and preferably all parts of the connector which could possibly be contacted by the user in use are formed of an insulated material.
- the connector includes mechanical means in the form of first and second pairs of contact jaws, said jaws typically provided with piercing means so as to allow the same to pierce through insulating material on the electrical conductors to contact the conductive metal cores thereof, said pairs of jaws selectively movable to a closed position so as to allow electrical connection between the conductor cores.
- the clamping means provided for the said pairs of jaws comprise respective first and second shear bolts mounted to be tightened into threaded apertures in the body of the connector.
- the clamping component for the switch is provided in the form of a further shear bolt which can be tightened into a threaded aperture and in turn apply force to biasing means acting on the switch.
- the biasing means is a leaf spring, said leaf spring mounted and/or of a form such that a predetermined force has to be applied to the same by the clamping component before the switch will be moved to a closed, electrically connecting position.
- the biasing means is a coil spring which acts on the switch and which is held against the bias such that, when released, the spring accelerates the movement of the switch to a closed position to provide electrical connection.
- the safety device ensures that the switch cannot be actuated before the conductors are mechanically clamped in position with the jaws having made contact with the cores of the respective conductors.
- the safety device is provided on the clamping component for the switch and in one embodiment in the form of a protrusion which means that the same cannot be tightened beyond a predetermined limit to apply force on the switch.
- the safety device is a plate which locates on the first and/or second clamping means and cannot move further until those clamping means for the conductors have first been tightened into position to make mechanical connection with the conductors.
- the safety device is a pin mounted on the clamping component for the switch and which, when in position, prevents the clamping component from actuating the switch to the closed position.
- the pin typically has a portion to be gripped.
- the connector includes a switch retainer, said retainer selectively releasable from a position with the switch and, when in position, said retainer acts to maintain the switch in an open position.
- the retainer is of an insulating material, having a tab which lies to maintain the switch in an open position within the connector and a tag protruding from the connector, said tag being selectively manipulated by the user to remove the retaining means from the connector and hence free the switch so that the same can subsequently be moved to a closed position.
- the retaining means does not specifically act against the biasing means in normal condition but rather if the switch was to be moved from the open position, the retaining means prevents the same from being moved. This is an important feature as, for safety reasons, it is important that the switch is open when the initial mechanical connection of the electrical conductors is taking place with the connector.
- the electrical connector comprises a body 2 formed of first and second parts 4, 6.
- Each of the parts has a pair of jaw members, 8, 10, said jaw members having teeth 12 formed therein.
- First and second clamping means 16, 18 are provided, said clamping means provided in the form of shear bolts which can be screwed into threaded apertures 20, 22 in the body 2 to bring the first and second parts 4, 6 together and the jaws into contact with electrical conductors which are placed along channels 26, 28.
- the teeth of the jaws protrude through any insulation material of the conductors and into contact with the electrically conductive core of the conductors.
- a further clamping component 30 is provided which, in this case, lies between the first and second clamping means.
- the clamping component is provided to be selectively screwed into the body of the connector to apply force to a switch 34.
- the force on the switch is applied via a resilient leaf spring 36.
- the clamping component 30 is provided with a safety device 40 which prevents the clamping component from being screwed into the body 2, until the clamping means 26, 28 are first screwed into the body as the safety device is in the form of a protrusion or protruding ring which depends outwardly to a sufficient distance such that the same cannot be moved past the heads or bodies 32 of the clamping means 26, 28.
- a retaining means 42 has to be removed by gripping the tag 44 and hence removing the tab 46 from a position lying intermediate the switch and an electrically connecting plate 48 of the body connected electrically to the jaws 8, 10 and hence the electrical conductors.
- the retaining means is provided to maintain the switch in an open position during transit and initial fixing so as to prevent the switch from moving to a closed position before the user of the connector is ready for it to do so.
- the clamping component With the retaining means removed, the clamping component can then be screwed down and as it does so, it starts to apply a force on the leaf spring. However, it is only when the clamping force applied reaches a particular level that the leaf spring will actuate the switch. When this level is reached, the switch is moved to a closed position in a snap action manner under the influence of the leaf spring, thereby ensuring that the connection which is achieved is quick and efficient as required for safe operation.
- FIG. 3a and b there is shown an alternative, preferred embodiment of a switch actuation means in accordance with the invention.
- the connector is provided with a safety device in the form of a pin 50 which passes into the clamping component 30 and contacts with a protrusion 52 formed on the part 4. With the pin in position the clamping component is prevented from being moved further in the direction of arrow 54 shown in Figure 3b .
- the switch 34 which is attached to the end of the clamping component 30 via screw 56 is prevented from being moved under the influence of the biasing coiled spring 58.
- the switch is retained in an open position while the pin is in the position shown.
- the coil spring 58 is biased at this time and is held in the biased position by the positioning of the pin.
- the switch 56 When the pin 50 is removed by the user, typically by gripping portion 60 and moving the pin in the direction of arrow 62, the switch 56 is free to move and is forced in the direction 54 under the influence of the biasing spring 58, to the closed position with the connector portion 59 in contact with the electrical contact surface 64 and hence achieve the electrical connection which is required between the conductors 60, 62.
- the retaining means 42 need not necessarily be provided.
- the release of the biased coil spring 50 causes a quick electrical connection to be achieved.
- the clamping means 30 can initially be moved in the opposite direction to 54 in order to increase the bias on the spring 50 to an extent required and the pin inserted to retain the same in that position such that, when the pin is released, a fast movement action on the switch is achieved in direction 54.
- clamping forces applied on the electrical conductors in the body and also the clamping force required to be applied to the leaf spring to cause operation of the switch will be selected in accordance with particular operating requirements and it should be appreciated that the clamping force applied by the clamping means on the conductors need not be the same as the clamping force applied to the leaf spring to operate the switch.
Landscapes
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Description
- The invention to which this application relates is to the provision of a connector of the type which can be used to connect, electrically and mechanically, at least two electrical conductors so as to allow an electrical connection to be achieved between the respective conductors.
- The provision of connectors for electrical conductors is well known and the particular type of connector which is used can be determined by the voltage level which is required to pass through the conductors and/or whether the connection is to be made while the conductors are live or when they are themselves unconnected from the electricity supply.
- In this invention, the connector is for use in the connection of electrical conductors which are live throughout the connection process and it will therefore be appreciated that there is a need for good safety provisions for the personnel who will be performing the connection.
- It is envisaged that the connector as herein described is of particular use for the connection of electrical conductors carrying less than 1,000 volts, said conductors typically used to connect branch conduction lines from a network electricity supply, although it should be appreciated that this is not the only use.
- The connection of electrical conductors while live, can be achieved already using conventional connectors and connection processes. However, despite the use of safety clothing and specific methods, it is still frequently the case that arcing and/or the provision of sparks, and generally dangerous conditions can be created if the connection does not take place strictly in accordance with the suggested method. This causes danger to the personnel performing the connection and/or the adjacent personnel and premises. A further problem which is often experienced is that the electricity supply may often carry a load prior to, or as soon as the connection is made. The load can be created by one or numerous pieces of electrical apparatus which are in various premises connected to the network and which are switched on. The personnel conducting the live connection have no practical way of identifying what the particular load will be at the time of connection and therefore, as the occurrence of load can make the live connection more dangerous, there is a need to take into account the possibility of a load being present.
- The applicant in their co-pending application No.
EP0952627 , provides a connector which has a switch incorporated therein, the operation of which occurs after mechanical connection of the said electrical conductors has been achieved in the connector. Once the mechanical connection has been achieved, the switch can be operated to cause a fast, snap action electrical connection. It is found that the provision of a snap action electrical connection reduces the chances of arcing and sparking occurring and also ensures a uniform achievement of electrical connection by each conductor of this arrangement. - Document
GB2348056 - The aim of the present invention is to provide an improved form of electrical conductor which renders the same more effective and more practically easy to use.
- In a first aspect of the invention, there is a connector for the electrical connection of first and second electrical conductors, said connector having a body including a first means with jaw members for mechanical location of the first electrical conductor and a second means with jaw members for mechanical location of the second electrical conductor and electrical connection of the first and second electrical conductors, and a switch which, when actuated, causes electrical connection between said jaw members of the first and second means, said switch has a connector portion actuated by a biasing means, said biasing means is movable between a switch open position and a switch closed position in response to movement of a user actuated clamping component located with the body of the connector and a safety device is provided to prevent the clamping component from being actuated to move the biasing means to move the switch to the closed position until first and second clamping means have been moved to mechanically locate the conductors in the connector and characterised in that the clamping component is positioned to lie between the said first and second clamping means.
- In one embodiment the movement of the switch occurs under the influence of an applied force which is released to act on the switch.
- In one embodiment, at least one of the conductors is live throughout the connection process. Typically the outer housing and preferably all parts of the connector which could possibly be contacted by the user in use are formed of an insulated material.
- Preferably the connector includes mechanical means in the form of first and second pairs of contact jaws, said jaws typically provided with piercing means so as to allow the same to pierce through insulating material on the electrical conductors to contact the conductive metal cores thereof, said pairs of jaws selectively movable to a closed position so as to allow electrical connection between the conductor cores.
- In one embodiment, the clamping means provided for the said pairs of jaws, comprise respective first and second shear bolts mounted to be tightened into threaded apertures in the body of the connector.
- In one embodiment, the clamping component for the switch is provided in the form of a further shear bolt which can be tightened into a threaded aperture and in turn apply force to biasing means acting on the switch.
- In one embodiment, the biasing means is a leaf spring, said leaf spring mounted and/or of a form such that a predetermined force has to be applied to the same by the clamping component before the switch will be moved to a closed, electrically connecting position.
- In an alternative preferred embodiment the biasing means is a coil spring which acts on the switch and which is held against the bias such that, when released, the spring accelerates the movement of the switch to a closed position to provide electrical connection.
- In one embodiment, the safety device ensures that the switch cannot be actuated before the conductors are mechanically clamped in position with the jaws having made contact with the cores of the respective conductors.
- In one embodiment, the safety device is provided on the clamping component for the switch and in one embodiment in the form of a protrusion which means that the same cannot be tightened beyond a predetermined limit to apply force on the switch.
- In one embodiment the safety device is a plate which locates on the first and/or second clamping means and cannot move further until those clamping means for the conductors have first been tightened into position to make mechanical connection with the conductors.
- In an alternative embodiment the safety device is a pin mounted on the clamping component for the switch and which, when in position, prevents the clamping component from actuating the switch to the closed position. Typically the pin has a portion to be gripped.
- In a further embodiment of the invention, the connector includes a switch retainer, said retainer selectively releasable from a position with the switch and, when in position, said retainer acts to maintain the switch in an open position.
- In one embodiment, the retainer is of an insulating material, having a tab which lies to maintain the switch in an open position within the connector and a tag protruding from the connector, said tag being selectively manipulated by the user to remove the retaining means from the connector and hence free the switch so that the same can subsequently be moved to a closed position.
- It should be appreciated that the retaining means does not specifically act against the biasing means in normal condition but rather if the switch was to be moved from the open position, the retaining means prevents the same from being moved. This is an important feature as, for safety reasons, it is important that the switch is open when the initial mechanical connection of the electrical conductors is taking place with the connector.
- Specific embodiments of the invention will now be described with reference to the accompanying drawings, wherein:-
-
Figures 1a - b illustrate elevation and sectional end elevation along line AA of a first embodiment of an electrical connector; -
Figure 2 illustrates a perspective view of the connector ofFigure 1 with certain components removed for ease of reference; and -
Figures 3a and b illustrate a further embodiment of the invention. - Referring now to the drawings, in both embodiments, the electrical connector comprises a
body 2 formed of first andsecond parts members having teeth 12 formed therein. First and second clamping means 16, 18 are provided, said clamping means provided in the form of shear bolts which can be screwed into threadedapertures body 2 to bring the first andsecond parts channels - A
further clamping component 30 is provided which, in this case, lies between the first and second clamping means. The clamping component is provided to be selectively screwed into the body of the connector to apply force to aswitch 34. - In
Figures 1 a-b and 2 the force on the switch is applied via aresilient leaf spring 36. Theclamping component 30 is provided with asafety device 40 which prevents the clamping component from being screwed into thebody 2, until the clamping means 26, 28 are first screwed into the body as the safety device is in the form of a protrusion or protruding ring which depends outwardly to a sufficient distance such that the same cannot be moved past the heads orbodies 32 of the clamping means 26, 28. - This therefore ensures that the switch cannot be closed until the electrical conductors are mechanically connected in the connector. When possible, the clamping component is screwed into the body but, before doing so, a
retaining means 42 has to be removed by gripping thetag 44 and hence removing thetab 46 from a position lying intermediate the switch and an electrically connectingplate 48 of the body connected electrically to thejaws - With the retaining means removed, the clamping component can then be screwed down and as it does so, it starts to apply a force on the leaf spring. However, it is only when the clamping force applied reaches a particular level that the leaf spring will actuate the switch. When this level is reached, the switch is moved to a closed position in a snap action manner under the influence of the leaf spring, thereby ensuring that the connection which is achieved is quick and efficient as required for safe operation.
- Referring now to
Figures 3a and b there is shown an alternative, preferred embodiment of a switch actuation means in accordance with the invention. In this case the connector is provided with a safety device in the form of apin 50 which passes into theclamping component 30 and contacts with aprotrusion 52 formed on thepart 4. With the pin in position the clamping component is prevented from being moved further in the direction ofarrow 54 shown inFigure 3b . - Furthermore the
switch 34 which is attached to the end of theclamping component 30 viascrew 56 is prevented from being moved under the influence of the biasing coiledspring 58. Thus, the switch is retained in an open position while the pin is in the position shown. Thecoil spring 58 is biased at this time and is held in the biased position by the positioning of the pin. In order to allow the electrical connection to be achieved, once the mechanical connection of theconductors Figure 3b , in theteeth 12 ofjaws pin 50 needs to be released. - When the
pin 50 is removed by the user, typically by grippingportion 60 and moving the pin in the direction ofarrow 62, theswitch 56 is free to move and is forced in thedirection 54 under the influence of thebiasing spring 58, to the closed position with theconnector portion 59 in contact with theelectrical contact surface 64 and hence achieve the electrical connection which is required between theconductors - The release of the
biased coil spring 50 causes a quick electrical connection to be achieved. The clamping means 30 can initially be moved in the opposite direction to 54 in order to increase the bias on thespring 50 to an extent required and the pin inserted to retain the same in that position such that, when the pin is released, a fast movement action on the switch is achieved indirection 54. - It should be appreciated that this method and use of the apparatus will be performed to achieve a live connection between electrical conductors.
- Typically, the clamping forces applied on the electrical conductors in the body and also the clamping force required to be applied to the leaf spring to cause operation of the switch, will be selected in accordance with particular operating requirements and it should be appreciated that the clamping force applied by the clamping means on the conductors need not be the same as the clamping force applied to the leaf spring to operate the switch.
Claims (11)
- A connector for the electrical connection of first and second electrical conductors (60,62), said connector having a body (2) including a first means (16) with jaw members (8,10) for mechanical location of the first electrical conductor and a second means (18) with jaw members (8,10) for mechanical location of the second electrical conductor and electrical connection of the first and second electrical conductors, and a switch, (34) which, when actuated, causes electrical connection between said jaw members of the first and second means, said switch has a connector portion actuated by a biasing means (36, 58), said biasing means is movable between a switch open position and a switch closed position in response to movement of a user actuated clamping component (30) located with the body (2) of the connector and a safety device (40) is provided to prevent the clamping component (30) from being actuated to move the biasing means to move the switch to the closed position until first and second clamping means (26,28) have been moved to mechanically locate the conductors (60,62) in the connector and characterised in that the clamping component (30) is positioned to lie between the said first and second clamping means (26,28).
- A connector according to claim 1 characterised in that the movement of the switch occurs once a force is released by user actuation and is then applied by the said clamping component on to the switch.
- A connector according to claim 1 characterised in that an outer bousing of the connector is formed of an insulating material.
- A connector according to claim 3 characterised in that said pairs of jaws are selectively movable to a closed position so as to allow the mechanical connection between the conductor cores.
- A connector according to claim 3 characterised in that the clamping means (26,28) are provided with said pairs of jaws, said means comprising respective first and second shear bolts mounted to be tightened into threaded apertures in the body of the connector.
- Apparatus according to claim 1 characterised in that the clamping component (30) for the switch is provided to be initially moved to create a force on the biasing means provided to act on the switch.
- A connector according to claim 6 characterised in that the biasing means is a leaf spring.
- A connector according to claim 6 characterised in that the biasing means is a coil spring.
- A connector according to claim 1 characterised in that the safety device is provided on the clamping component for the switch.
- A connector according to claim 9 characterised in that the safety device is provided in the form of a member to prevent the clamping component and biasing means being moved beyond a predetermined limit to apply force on the switch.
- A connector according to 10 characterised in that the safety device is a plate which locates on the first and/or second clamping means and cannot move beyond a predetermined limit until those clamping means have first been tightened into position to make the mechanical connection with the conductors.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GBGB0607682.2A GB0607682D0 (en) | 2006-04-19 | 2006-04-19 | Electrical conductor connector |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1848062A2 EP1848062A2 (en) | 2007-10-24 |
EP1848062A3 EP1848062A3 (en) | 2008-12-24 |
EP1848062B1 true EP1848062B1 (en) | 2012-05-16 |
Family
ID=36580824
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP07251642A Not-in-force EP1848062B1 (en) | 2006-04-19 | 2007-04-19 | Electrical conductors connector |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1848062B1 (en) |
ES (1) | ES2388183T3 (en) |
GB (1) | GB0607682D0 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1396197B1 (en) | 2009-10-08 | 2012-11-16 | Palazzoli Spa | JUNCTION BOX, PARTICULARLY FOR ILLUMINATION LINES FOR TUNNELS |
ITBO20120180A1 (en) * | 2012-04-04 | 2013-10-05 | 3I En S R L | JUNCTION JOINT FOR UNDERGROUND CABLES |
CN103311705B (en) * | 2013-07-04 | 2015-08-19 | 北京瑞迪克斯工贸有限公司 | Reinforced rubber filling type sealing T connecting terminal |
CN107706559A (en) * | 2017-09-25 | 2018-02-16 | 国网浙江省电力公司衢州供电公司 | The cable connection construction method of multistage torsion penetrating cable clamp and the application penetrating cable clamp |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE69937212T2 (en) * | 1998-04-23 | 2008-07-03 | Sicame Electrical Developments Ltd., Holmfirth | Electrical connector |
GB2348056A (en) * | 1999-01-29 | 2000-09-20 | Whitaker Corp | Connecting a branch cable to a live power cable |
-
2006
- 2006-04-19 GB GBGB0607682.2A patent/GB0607682D0/en not_active Ceased
-
2007
- 2007-04-19 EP EP07251642A patent/EP1848062B1/en not_active Not-in-force
- 2007-04-19 ES ES07251642T patent/ES2388183T3/en active Active
Also Published As
Publication number | Publication date |
---|---|
EP1848062A2 (en) | 2007-10-24 |
GB0607682D0 (en) | 2006-05-31 |
ES2388183T3 (en) | 2012-10-10 |
EP1848062A3 (en) | 2008-12-24 |
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