EP0532729B1 - Electrical connector - Google Patents
Electrical connector Download PDFInfo
- Publication number
- EP0532729B1 EP0532729B1 EP92907870A EP92907870A EP0532729B1 EP 0532729 B1 EP0532729 B1 EP 0532729B1 EP 92907870 A EP92907870 A EP 92907870A EP 92907870 A EP92907870 A EP 92907870A EP 0532729 B1 EP0532729 B1 EP 0532729B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- clip
- tip
- cavity
- connector
- electrical
- 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
Links
- 239000004020 conductor Substances 0.000 claims description 4
- 230000001154 acute effect Effects 0.000 claims description 2
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 239000012777 electrically insulating material Substances 0.000 claims 1
- 229940075591 dalay Drugs 0.000 abstract 1
- 238000010304 firing Methods 0.000 description 5
- 239000002360 explosive Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000005192 partition Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000005474 detonation Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 229910000639 Spring steel Inorganic materials 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- DMFGNRRURHSENX-UHFFFAOYSA-N beryllium copper Chemical compound [Be].[Cu] DMFGNRRURHSENX-UHFFFAOYSA-N 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 230000002939 deleterious effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 239000012858 resilient material Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
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
- H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
- H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
- H01R4/48185—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar adapted for axial insertion of a wire end
- H01R4/4819—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar adapted for axial insertion of a wire end the spring shape allowing insertion of the conductor end when the spring is unbiased
- H01R4/4821—Single-blade 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
- 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
- H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
- H01R4/484—Spring housing details
Definitions
- This invention concerns electrical connectors.
- a design in which the circuit is built into the explosive device has disadvantages, i.e., the cost of manufacture is increased by the degree of care and precautions necessitated when dealing with pyrotechnic devices and additionally, the small size casing which houses the pyrotechnic device limits the size of the circuit chips used.
- the present invention is defined in claim 1 and constitutes an improved electrical connector of the type described in U.S. Patent 4,952,167, in which improvement a contained "set" space is provided adjacent each inwardly inclined end of the C-clip.
- the lead end enters through an entrance hole, of a respective end cap, at a point adjacent the upper region of the interior of the connector housing, aligned with the upper-most edge of the C-clip end with which it is to be mated. After the lead end passes between the C-clip end and the housing cavity inner surface, it is pulled back, causing the insulating jacket of the wire lead to be sliced through, and continued tension pulls the clip end outwardly into the set space, where the lead and clip ends are then wedged securely. This results in a secure electrical connection between the lead end and clip end resisting both pulling and pushing forces exerted on the set wire lead.
- Fittings are fit into either end of the housing which define in part the set space, each plug having an offset opening opposite a respective clip end so as to direct a respective electrical lead to a respective clip end.
- the housing is preferably sealed as by sonic welding of the interfit housing parts and filled with a sealing substance to protect the delay circuit as well as the electrical connections from the deleterious effects of moisture and other ambient conditions.
- the connector also has a capability of connecting leads from a detonating machine to each detonating device which incorporates a built-in circuit chip consisting of a time delay circuit.
- the chip is electrically and mechanically joined to opposite pairs of clip ends to form an integral clip assembly, which assembly is fit within an oblong space within the connector housing.
- the electrical connector 10 is adapted to electrically connect a pair of electrical leads securely together, end-to-end, without the use of crimping tools.
- the connector 10 includes a housing 12 defining a rectangularly shaped internal cavity 14, the housing preferably molded of a suitable rigid dielectric material, such as a polypropylene plastic.
- the housing 12 is elongated and either end receives a plug 14A, 14B configured to close off each end thereof secured and sealed at assembly as by sonic welding or with a suitable adhesive.
- Each plug 14A, 14B is formed with a pair of conically tapered round bores 16A, 16B, each adapted to receive the end of a respective electrical lead A,B.
- Each bore 16A, 16B is located offset vertically from the center to be located opposite the upper wall of the housing cavity 14.
- the connector housing cavity 11 receives a C-clip assembly 18 sized to be slidably fit into the rectangularly shaped cavity 14 formed therein.
- C-clip 18 defines a pair of terminal means for selective connection to electrical leads, comprised of a pair of clip ends 20A, 20B comprising the terminal means, inwardly angled from straight section 21.
- the ends 20A, 20B and straight section 21 are constructed of a formed flat strip of electrically conductive resilient material, such as spring steel, brass, or beryllium copper.
- the C-clip ends 20A, 20B are inclined inwardly towards each other to form a ramp surface facing a respective guide hole 16 at either end.
- the geometry of the C-clip ends 20A, 20B is different from that disclosed in United States patent specification No 4,952,167, in that the tips 22A, 22B are bent to decrease the obtuse angle and increase the acute angle otherwise existing with respect to confining surfaces of the housing 14. This then results in a relatively steep angle between the tip and the confining surface of the housing cavity 14.
- the C-clip ends 20A, 20B are deflected by being assembled into the cavity 14 so that each tip 22A, 22B exerts some pressure against the facing cavity surface.
- the intended electrical connection is established by a slotted contact recesses 26A, 26B formed in the outer edge of the respective C-clip tip 22A, 22B.
- each of the slotted recesses is the same as the thickness of the lead conductor such as to cause the insulating jacket to be sliced through as the lead 28, 30 is pulled back.
- contact recesses 26A, 26B such as a sharp vee shape geometry, or rounded or serrated central openings inward from inclined entry edges guiding the leads into the opening.
- a strong self gripping action between the tip 22A or 22B and the electrical lead A or B is established, causing slicing through the insulation and seating in the recess 26A or 26B.
- the tip 22A or 22B Upon continued pulling pressure on the lead A or B, the tip 22A or 22B is pulled outwardly to enter a set recess 28A or 28B defined at either end of the connector by a shoulder 30A, 30B in the upper surface of the cavity 14, and a contoured inner surface of each of the plugs 14A, 14B.
- the strong self gripping effect enables each end 20A, 20B to be moved outwardly by pulling forces applied to the lead A or B to wedge the same within the inner surfaces of recess 28A, 28B with the respective lead A or B.
- This setting action anchors the respective C-clip end 20A, 20B to prevent any loosening after seating of the lead A or B.
- the C-clip assembly 18 must be securely anchored to resist shifting in the housing cavity 14 during setting of the leads, and thus molded protrusions 32A, 32B, and central protrusion 33 projecting up from lower housing wall are received in openings in the straight section 21 for this purpose.
- the housing cavity 11 is preferably completely filled with a dielectric gel or grease such as silicone, a small proportion of which is expelled upon insertion of a wire, insuring continued complete occlusion of that space, and waterproofing protection.
- a dielectric gel or grease such as silicone
- the double lead version connector 34 includes a housing 40 subdivided by a central partition 42 into a pair of internal cavities 44, 46, each rectangular in shape and elongated so as to be capable of receiving a respective C-clip 48, 50.
- a doubled plug end cap 52, 54 is received in either open end of the housing 40, and sonic welded to secure and seal the same to the housing 40.
- Tapered entrance bores 56 are formed in each plug of both end caps 52, 54 to receive an inserted lead Al A2, B1, or B4, directing the same to a slot 60 in respective end 58A, 58B, 59A, 59B of the C-clip 48 or 50.
- Each of the C-clips 48 and 50 are configured similarly to the single lead pair version described above, except that the respective ends 58A, 58B and 59A, 59B are not directly electrically connected, having an intervening central gap 62 therebetween.
- This gap is bridged by a time delay circuit chip 64 overlying adjacent ends of straight sections 66A, 66B and 67A, 67B associated with C-clip ends 58A, 58B and 59A, 59B.
- the circuit chip 64 is mechanically and electrically connected to the straight sections 66A, 66B, and 67A, 67B as by soldered tabs shown, so as to create a unitary assembly and a time delay circuit.
- a housing cover 70 creates an opening in the top of the housing 40 before assembly, enabling the C-clip and chip assembly to be installed in the cavities 44, 46, the cover then sealed as by sonic welding.
- the partition 42 is cut away to accommodate the clip 64, with a web 72 integral with the cover 70 fit in the gap between sections of the partition 42A, 42B to separate the cavities 44, 46.
- FIGURE 4 shows that the invention may take the form of a double lead pair connector 34 able to connect each of the two lead pairs A1, A2, B1, B2 required in each detonation circuit between a firing control unit 36 and a detonator 38.
- the chip 64 carries a suitable time delay circuit as for example the circuit described in U.S. patent 4,324,182. Some additional required elements such as a power supply capacitor 74 may be mounted to the chip 64 as described in the aforementioned U.S. patent.
- the circuit on the chip 60 is designed to introduce a programmable delay of the time of transmission of a firing electrical current pulse from a firing control unit 70 to an explosive detonator cap 68 shown in FIGURE 4.
- a firing control unit 36 is connected to each of the explosive detonator devices 38 and connectors 34 in a given array and controls the transmission of programming and firing signals, all as described in U.S. Patent No 4,324,182.
- the time delay circuit may be separated from the detonator itself to make manufacture easier, and to eliminate the constraints imposed by incorporation into a pyrotechnic device described above, as well as to obviate the need for stocking variety of detonators.
Landscapes
- Details Of Connecting Devices For Male And Female Coupling (AREA)
- Connector Housings Or Holding Contact Members (AREA)
- Coupling Device And Connection With Printed Circuit (AREA)
- Cable Accessories (AREA)
- Air Bags (AREA)
Abstract
Description
- This invention concerns electrical connectors.
- In the connector of U.S. Patent No. 4,952,167 the lead wires are inserted into holes at either end of the connector and pressed between spring metal clip ends of a C-shaped clip and the inside facing surface of a wall of the connector housing. Upon pulling of each wire back, a groove in the respective end of the C-clip bites through the insulated jacket of the wire and deflects the end back to be set in the wall surface to establish an electrical connection between the wires through the C-clip. This design works very well but there is a need to more reliably maintain the set condition when pushing forces are exerted on the inserted wires, as there is a tendency to loosen the connection under that condition.
- In certain industries, including the mining industry, there is often a need for a series of detonating devices to be set off at slightly different times, with a precisely controlled time delay between success of detonation being desirable for various reasons.
- The earlier methods of creating a delay involving the use of variable length internal pyrotechnic fuses has given way to the use of electrical circuits which electronically delay the application of an electric pulse to the fuzehead of detonator. This development eliminated the need to stack various delay time detonators.
- Heretofore, such circuits have taken the form of "chip" circuits built into each explosive device.
- A design in which the circuit is built into the explosive device has disadvantages, i.e., the cost of manufacture is increased by the degree of care and precautions necessitated when dealing with pyrotechnic devices and additionally, the small size casing which houses the pyrotechnic device limits the size of the circuit chips used.
- The present invention is defined in claim 1 and constitutes an improved electrical connector of the type described in U.S. Patent 4,952,167, in which improvement a contained "set" space is provided adjacent each inwardly inclined end of the C-clip. The lead end enters through an entrance hole, of a respective end cap, at a point adjacent the upper region of the interior of the connector housing, aligned with the upper-most edge of the C-clip end with which it is to be mated. After the lead end passes between the C-clip end and the housing cavity inner surface, it is pulled back, causing the insulating jacket of the wire lead to be sliced through, and continued tension pulls the clip end outwardly into the set space, where the lead and clip ends are then wedged securely. This results in a secure electrical connection between the lead end and clip end resisting both pulling and pushing forces exerted on the set wire lead.
- Fittings are fit into either end of the housing which define in part the set space, each plug having an offset opening opposite a respective clip end so as to direct a respective electrical lead to a respective clip end.
- The housing is preferably sealed as by sonic welding of the interfit housing parts and filled with a sealing substance to protect the delay circuit as well as the electrical connections from the deleterious effects of moisture and other ambient conditions.
- The connector also has a capability of connecting leads from a detonating machine to each detonating device which incorporates a built-in circuit chip consisting of a time delay circuit. The chip is electrically and mechanically joined to opposite pairs of clip ends to form an integral clip assembly, which assembly is fit within an oblong space within the connector housing.
- The advantage of such an electrical connector having a built-in electrical delay circuit is to lower the costs of manufacture and to allow the possibility of stocking only one pyrotechnic blasting cap for all applications.
-
- FIGURE 1
- is a side view of a single lead pair version of the electrical connector according to the present invention.
- FIGURE 2
- is a longitudinal sectional enlarged view of the connector shown in FIGURE 1 with an electrical lead inserted in either end, one of the leads pulled to the set condition.
- FIGURE 3
- is a perspective view of the C-clip installed in the housing of the connector of FIGURES 1 and 2.
- FIGURE 4
- is a perspective view of a double lead pair version of the connector according to the present invention with connected detonating cap and detonating machine.
- FIGURE 5
- is a plan sectional view of the double lead pair version of the connector shown in FIGURE 4 with connected detonating cap and detonating machine.
- FIGURE 6
- is a lengthwise sectional view through the connector shown in FIGURES 4 and 5.
- FIGURE 7
- is a transverse sectional view through the connector shown in FIGURES 4 and 5.
- FIGURE 8
- is a perspective view of the double clip and delay circuit chip assembly incorporated in the connector shown in FIGURES 4-6.
- In the following detailed description, certain specific terminology will be employed for the sake of clarity and a particular embodiment is described with reference to the drawings. However, it is to be understood that the same is not intended to be limiting and should not be so construed inasmuch as the invention is capable of taking many forms and variations within the scope of the appended claims.
- Referring to FIGURE 1, the
electrical connector 10 according to the present invention, is adapted to electrically connect a pair of electrical leads securely together, end-to-end, without the use of crimping tools. - The
connector 10 includes ahousing 12 defining a rectangularly shapedinternal cavity 14, the housing preferably molded of a suitable rigid dielectric material, such as a polypropylene plastic. - The
housing 12 is elongated and either end receives a plug 14A, 14B configured to close off each end thereof secured and sealed at assembly as by sonic welding or with a suitable adhesive. Each plug 14A, 14B is formed with a pair of conically tapered round bores 16A, 16B, each adapted to receive the end of a respective electrical lead A,B. Each bore 16A, 16B is located offset vertically from the center to be located opposite the upper wall of thehousing cavity 14. - The
connector housing cavity 11 receives a C-clip assembly 18 sized to be slidably fit into the rectangularlyshaped cavity 14 formed therein. - C-
clip 18 defines a pair of terminal means for selective connection to electrical leads, comprised of a pair ofclip ends ends respective guide hole 16 at either end. - The geometry of the C-clip ends 20A, 20B is different from that disclosed in United States patent specification No 4,952,167, in that the
tips housing 14. This then results in a relatively steep angle between the tip and the confining surface of thehousing cavity 14. The C-clip ends 20A, 20B are deflected by being assembled into thecavity 14 so that eachtip - Thus as a lead 24 or 26 is advanced into the
cavity 14 through abore 16, it encounters the facing surface of the adjacent C-clip end tip clip housing cavity 14. - The intended electrical connection is established by a slotted
contact recesses clip tip - The width of each of the slotted recesses is the same as the thickness of the lead conductor such as to cause the insulating jacket to be sliced through as the lead 28, 30 is pulled back.
- Various alternate geometries are possible for the
contact recesses tip recess - Upon continued pulling pressure on the lead A or B, the
tip shoulder cavity 14, and a contoured inner surface of each of the plugs 14A, 14B. The strong self gripping effect enables eachend - This setting action anchors the respective C-
clip end - The C-
clip assembly 18 must be securely anchored to resist shifting in thehousing cavity 14 during setting of the leads, and thus moldedprotrusions central protrusion 33 projecting up from lower housing wall are received in openings in the straight section 21 for this purpose. - In order to insure a waterproof connection, the
housing cavity 11 is preferably completely filled with a dielectric gel or grease such as silicone, a small proportion of which is expelled upon insertion of a wire, insuring continued complete occlusion of that space, and waterproofing protection. - The double
lead version connector 34 includes ahousing 40 subdivided by acentral partition 42 into a pair ofinternal cavities clip plug end cap housing 40, and sonic welded to secure and seal the same to thehousing 40. - Tapered
entrance bores 56 are formed in each plug of bothend caps slot 60 inrespective end clip - Each of the C-
clips respective ends central gap 62 therebetween. This gap is bridged by a timedelay circuit chip 64 overlying adjacent ends ofstraight sections clip ends circuit chip 64 is mechanically and electrically connected to thestraight sections - A
housing cover 70 creates an opening in the top of thehousing 40 before assembly, enabling the C-clip and chip assembly to be installed in thecavities - The
partition 42 is cut away to accommodate theclip 64, with aweb 72 integral with thecover 70 fit in the gap between sections of thepartition cavities - FIGURE 4 shows that the invention may take the form of a double
lead pair connector 34 able to connect each of the two lead pairs A1, A2, B1, B2 required in each detonation circuit between a firingcontrol unit 36 and adetonator 38. - The
chip 64 carries a suitable time delay circuit as for example the circuit described in U.S. patent 4,324,182. Some additional required elements such as apower supply capacitor 74 may be mounted to thechip 64 as described in the aforementioned U.S. patent. The circuit on thechip 60 is designed to introduce a programmable delay of the time of transmission of a firing electrical current pulse from afiring control unit 70 to an explosive detonator cap 68 shown in FIGURE 4. A firingcontrol unit 36 is connected to each of theexplosive detonator devices 38 andconnectors 34 in a given array and controls the transmission of programming and firing signals, all as described in U.S. Patent No 4,324,182. - Accordingly, the time delay circuit may be separated from the detonator itself to make manufacture easier, and to eliminate the constraints imposed by incorporation into a pyrotechnic device described above, as well as to obviate the need for stocking variety of detonators.
- The above arrangement has been described by way of example only with reference to the delay circuit being used in association with detonators, but it should be appreciated that the invention has equal application in other areas, such as domestic, manufacturing, commercial activities.
Claims (4)
- An electrical connector (10) for establishing a splice connection between electrical leads (A,B) having an insulating jacket and a conductor core, including:a hollow elongate connector body (12) of an electrically insulating material, having interior walls defining a cavity therein and having an opening at each end;a plug (14) fit into each end having an opening extending into said connector cavity;a C-clip (18) of a strip of resilient, conductive material being disposed in said cavity, said C-clip having a pair of ends (20A, 20B), each end extending from an elongate straight portion lying against an inner surface of one wall of said cavity of said connector body and extending lengthwise within said cavity, each of said ends being inclined towards the other and away from a respective adjacent opening of said connector body, each end having a tip lying at a point closely adjacent another inside surface of another wall of said cavity of said connector body, opposite the inside surface of said first mentioned wall, each tip being bent to form an acute and obtuse angle with said other inside surface of said cavity; a contact recess (26A, 26B) formed into an edge of each tip, comprising a slot having closely spaced opposite edges adapted to slice through said insulating jacket and contact said conductor core as an electrical lead is pulled back after insertion into said connector body, to be seated within a contact recess, whereby an electrical lead may be inserted at either end to engage and deflect a respective C-clip end and move past said terminal edge, to thereby be gripped against pull-out by the edges of said contact recess spliced into said insulating jacket, characterised in that a set recess is defined between each of said plugs (14) and includes a step (30A, 30B) at either end of an inside wall surface located outwardly of each C-clip end tip, prior to pulling out of said C-clip tip, each step facing a respective plug (14) thereby creating an increased space outside of said tip and adjacent said respective plug, so as to allow a respective tip to move into said increased space as said C-clip end is pulled out, whereby said tip and electrical lead may be wedged into said set recess to secure said connection.
- An electrical connector (10) as claimed in claim 1, wherein each of said tips is inclined with respect to the remaining C-clip end portion to decrease said angle between said other inside surface and said tip.
- An electrical connector (10) as claimed in claim 1 or 2, wherein each of said plugs (14) has a shaped contour facing respective C-clip ends, to receive said C-clip ends thereagainst upon setting of said electrical lead.
- An electrical connector (10) as claimed in any preceding claim, wherein said C-clip (18) is fixed in said housing cavity against lengthwise movement therein.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US67800891A | 1991-04-01 | 1991-04-01 | |
US678008 | 1991-04-01 | ||
PCT/AU1992/000135 WO1992017917A1 (en) | 1991-04-01 | 1992-04-01 | Electrical connector |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0532729A1 EP0532729A1 (en) | 1993-03-24 |
EP0532729A4 EP0532729A4 (en) | 1997-02-05 |
EP0532729B1 true EP0532729B1 (en) | 1999-06-02 |
Family
ID=24721001
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP92907870A Expired - Lifetime EP0532729B1 (en) | 1991-04-01 | 1992-04-01 | Electrical connector |
Country Status (9)
Country | Link |
---|---|
EP (1) | EP0532729B1 (en) |
JP (1) | JPH05509436A (en) |
AT (1) | ATE180925T1 (en) |
AU (1) | AU656370B2 (en) |
CA (1) | CA2084287A1 (en) |
DE (1) | DE69229316T2 (en) |
ES (1) | ES2132120T3 (en) |
WO (1) | WO1992017917A1 (en) |
ZA (1) | ZA922367B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1638168A1 (en) * | 2004-09-16 | 2006-03-22 | Alombard SAS | Screwless clamping terminal having two double entries |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3926498A (en) * | 1972-09-14 | 1975-12-16 | Bunker Ramo | Electrical connector and insulation-piercing contact member |
US3865460A (en) * | 1973-04-30 | 1975-02-11 | Minnesota Mining & Mfg | Component connector |
US4114975A (en) * | 1977-07-20 | 1978-09-19 | Amp Incorporated | Displation type electrical connector |
EP0003412A3 (en) * | 1978-02-01 | 1979-09-05 | Imperial Chemical Industries Plc | Electric delay device |
DE8608463U1 (en) * | 1986-03-27 | 1986-06-12 | Amp Deutschland Gmbh, 6070 Langen | Electrical connector |
US4796531A (en) * | 1986-07-04 | 1989-01-10 | Gernal Mining Union Corporation Limited | Mining method |
AU595916B2 (en) * | 1986-08-29 | 1990-04-12 | Ici Australia Operations Proprietary Limited | Detonator system |
US4825765A (en) * | 1986-09-25 | 1989-05-02 | Nippon Oil And Fats Co., Ltd. | Delay circuit for electric blasting, detonating primer having delay circuit and system for electrically blasting detonating primers |
US4915646A (en) * | 1987-08-18 | 1990-04-10 | Johannesburg Construction Corporation (Proprietary) Limited | Electrical trunkline system |
JP2634824B2 (en) * | 1987-10-16 | 1997-07-30 | 日本油脂株式会社 | Electronic delay primer |
US4952167A (en) * | 1988-02-29 | 1990-08-28 | Chris Hertelendy | Electrical connector |
GB8813233D0 (en) * | 1988-06-03 | 1988-07-06 | Amp Great Britain | Connecting electrical leads to electrical circuitry |
US4903162A (en) * | 1988-07-25 | 1990-02-20 | Kopelman Robert L | Fire-prevention electrical wiring device |
US4973263A (en) * | 1989-04-04 | 1990-11-27 | Solatrol, Inc. | Electrical splice assembly |
US4927381A (en) * | 1989-07-26 | 1990-05-22 | Shang Jean Y | Electrical push-pull connector |
-
1992
- 1992-04-01 AT AT92907870T patent/ATE180925T1/en not_active IP Right Cessation
- 1992-04-01 DE DE69229316T patent/DE69229316T2/en not_active Expired - Fee Related
- 1992-04-01 WO PCT/AU1992/000135 patent/WO1992017917A1/en active IP Right Grant
- 1992-04-01 JP JP4507087A patent/JPH05509436A/en active Pending
- 1992-04-01 ZA ZA922367A patent/ZA922367B/en unknown
- 1992-04-01 EP EP92907870A patent/EP0532729B1/en not_active Expired - Lifetime
- 1992-04-01 AU AU15340/92A patent/AU656370B2/en not_active Ceased
- 1992-04-01 ES ES92907870T patent/ES2132120T3/en not_active Expired - Lifetime
- 1992-04-01 CA CA2084287A patent/CA2084287A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
ES2132120T3 (en) | 1999-08-16 |
CA2084287A1 (en) | 1992-10-15 |
AU656370B2 (en) | 1995-02-02 |
JPH05509436A (en) | 1993-12-22 |
EP0532729A4 (en) | 1997-02-05 |
EP0532729A1 (en) | 1993-03-24 |
DE69229316T2 (en) | 2000-01-27 |
WO1992017917A1 (en) | 1992-10-15 |
DE69229316D1 (en) | 1999-07-08 |
AU1534092A (en) | 1992-11-02 |
ZA922367B (en) | 1992-12-30 |
ATE180925T1 (en) | 1999-06-15 |
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