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WO2000008369A1 - Colliers electriquement conducteurs pour tuyaux et cables - Google Patents

Colliers electriquement conducteurs pour tuyaux et cables Download PDF

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Publication number
WO2000008369A1
WO2000008369A1 PCT/EP1999/005638 EP9905638W WO0008369A1 WO 2000008369 A1 WO2000008369 A1 WO 2000008369A1 EP 9905638 W EP9905638 W EP 9905638W WO 0008369 A1 WO0008369 A1 WO 0008369A1
Authority
WO
WIPO (PCT)
Prior art keywords
base body
din
thermoplastic elastomer
contacted
contact
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.)
Ceased
Application number
PCT/EP1999/005638
Other languages
German (de)
English (en)
Inventor
Britta Daume
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.)
Karin Daume Maschinenteile GmbH and Co KG
Original Assignee
Karin Daume Maschinenteile GmbH and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from EP99109828A external-priority patent/EP0978678B1/fr
Application filed by Karin Daume Maschinenteile GmbH and Co KG filed Critical Karin Daume Maschinenteile GmbH and Co KG
Priority to AU54195/99A priority Critical patent/AU741870B2/en
Priority to BR9912800-4A priority patent/BR9912800A/pt
Publication of WO2000008369A1 publication Critical patent/WO2000008369A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • 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
    • H01R4/58—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 characterised by the form or material of the contacting members
    • H01R4/64—Connections between or with conductive parts having primarily a non-electric function, e.g. frame, casing, rail
    • H01R4/643—Connections between or with conductive parts having primarily a non-electric function, e.g. frame, casing, rail for rigid cylindrical bodies
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L25/00—Construction or details of pipe joints not provided for in, or of interest apart from, groups F16L13/00 - F16L23/00
    • F16L25/01—Construction or details of pipe joints not provided for in, or of interest apart from, groups F16L13/00 - F16L23/00 specially adapted for realising electrical conduction between the two pipe ends of the joint or between parts thereof

Definitions

  • the invention relates to a device for contacting in particular elongated, for example essentially cylindrical bodies, for example pipes or cables.
  • a device of the type in question is known from EP 0 744 788 A1 in the form of a device for making electrically conductive contact with an electrically conductive outer surface of a particularly cylindrical body, for example a pipe or a cable. It has a base body in contact with the body to be contacted, which consists of a metallic clamp band which is coated with an elastic material which is formed by rubber.
  • the known device is easy to assemble. However, their production is complex and therefore expensive.
  • the present invention has for its object a device in the preamble of
  • the elastic material is at least partially, preferably completely, formed by at least one thermoplastic elastomer (TPE).
  • TPE thermoplastic elastomer
  • Thermoplastic elastomers have properties similar to plastics and are easy to process.
  • the base body, insofar as it consists of the elastic material, can be
  • thermoplastic elastomers can be produced in a spraying process. It is also possible to manufacture the base body from thermoplastic elastomer as a strip material in an extrusion process. In addition to thermoplastic elastomer, the base body can also have further elastic material, for example vulcanized rubber
  • thermoplastic elastomers Another advantage of thermoplastic elastomers is that mixing is not required immediately before processing begins.
  • these materials are available in a processable state and can be stored in this state.
  • thermoplastic elastomers are harden quickly and that vulcanization is not necessary. When processing the materials, for example in a spraying process, this shortens the required dwell time in the injection mold, which reduces the cycle times and thus makes the manufacture of the device according to the invention more economical.
  • thermoplastic elastomers are characterized by high aging resistance. They also point out the following in particular Advantages on: excellent fatigue strength, high temperature resistance, - high impact resistance, high chemical and weather resistance, good electrical properties, high tear and abrasion resistance, - co-injection molding and co-extrusion with polyolefins is possible, thermoplastic elastomers are with pigments or Dyes can be easily dyed, thermoplastic elastomers are environmentally friendly because they are recyclable and hazardous vapors, such as nitrosamines, do not usually arise during processing. Contacting in the sense of the invention is understood to mean mechanical and / or electrical contacting. In the latter case, the device has contact means for establishing an electrically conductive connection between the body to be contacted and a conductor, for example an earth cable.
  • the basic body of the device according to the invention can in principle be essentially rigid.
  • An expedient development provides, however, that the base body is designed to be flexible.
  • the base body adapts to the surface of the body to be contacted due to its flexibility. This enables contacting even very uneven or curved bodies.
  • the bodies to be contacted can be be formed in a wrinkled manner, for example plate-shaped or rod-shaped or tubular with any cross section.
  • the base body is designed such that, in the mounting position, it preferably encompasses the body to be contacted in a ring-shaped or sleeve-shaped manner. For example, when contacting pipes or cables, the base body is securely held on the body to be contacted in this way.
  • the base body is designed as a clamp that can be tensioned around the body to be contacted.
  • the assembly of the device according to the invention is simplified.
  • the base body of the device according to the invention can be constructed in several parts, for example for contacting a tube or a cable by means of a plurality of successive, for example semi-ring-shaped parts in the mounting position in the circumferential direction.
  • the base body is formed in one piece and has angled or bent tabs at its free ends, which can be connected to one another in the assembly position, preferably by means of a screwing device or a clamping device. Due to the one-piece design of the base body, the assembly of the device according to the invention is further simplified in this embodiment. By connecting the tabs to one another, the device can be fastened to the body to be contacted in a quick and simple manner.
  • the teaching according to the invention looks transversely to the longitudinal direction or in the axial direction.
  • device of the base body spaced from each other, extending in the longitudinal direction or in the circumferential direction of the base body sealing lips made of elastic material, which are arranged on a side facing the body to be contacted in the assembly position and bear sealingly in the assembly position on the outer surface of the body to be contacted.
  • the elastic material of the sealing lips expediently consists at least partially of at least one thermoplastic elastomer.
  • the sealing lips With regard to the production of the sealing lips, this results in the same advantages which result from the use of a thermoplastic elastomer in the production of a part of the base body.
  • the sealing lips can be formed separately or connected to the elastic material of the base body or formed integrally therewith.
  • the manufacture of the device according to the invention is further simplified.
  • the thermoplastic elastomer has at least one of the following material properties: the Shore hardness (A) is approximately 35-85, preferably approximately 47-70, in particular approximately 64 (DIN 53505-A), the compression set is less than approximately 40% , preferably less than about 25% (DIN 53517, temperature 70 ° C, duration 48 hours), the tensile strength is more than about 6 MPa (DIN 53540), - the elongation at break is more than about 300%
  • the cold standard value is less than about -20 ° C, preferably less than about -40 ° C, in particular about -50 ° C (DIN 53445-B), - the change in hardness after aging is not higher than about ⁇ 3 (DIN 53508, DIN 53505-A), the change in tensile strength after aging is not greater than approximately ⁇ 15% (DIN 53508, DIN 53504), - the change in elongation at break after aging is not greater than approximately ⁇ 20% (DIN 53508 , DIN 53504), the thermoplastic elastomer is ozone-resistant and / or UV-resistant and / or oil-resistant and / or weather-resistant.
  • the base body can consist entirely of thermoplastic elastomer.
  • the base body has a carrier element to which the thermoplastic elastomer is connected. In this way, the stability of the device according to the invention is increased.
  • the thermoplastic elastomer can be applied to the carrier element in any suitable manner, for example by casting or Syringes. However, it can also be formed, for example, by a part made of extruded strip material.
  • the carrier element is designed in the form of a band and preferably extends in the longitudinal direction or in the circumferential direction of the base body over its entire length and preferably forms the tabs.
  • This embodiment is particularly simple in construction and therefore inexpensive to manufacture.
  • this preferably consists of metal, in particular brass and / or special brass and / or low-alloy copper and / or chromium-nickel alloy steel.
  • metal in particular brass and / or special brass and / or low-alloy copper and / or chromium-nickel alloy steel.
  • These materials have a particularly good electrical conductivity, which is particularly advantageous if the device according to the invention is used as part of a device for electrically contacting an electrically conductive part, for example a pipe or a cable, and the carrier element for current conduction serves.
  • the device according to the invention can be used in many ways, for example also as anode protection or cathode protection or for receiving sensors which engage through a hole in a pipeline and are enclosed by the device, for example in the form of a sleeve.
  • the device according to the invention can, for example, form a sealing device for forming seals on outer surfaces of, in particular, elongated, for example essentially cylindrical bodies, for example pipes, hoses or cables, as provided in one embodiment.
  • Another embodiment provides that the device forms a holder for an in particular elongated, for example essentially cylindrical body, for example a pipe or a cable.
  • the device can serve for the mechanical fixing of a pipe, a hose or a cable, for example in the form of a sealed wall bushing.
  • a device for the electrically conductive contacting of an electrically conductive part of an in particular elongated, for example essentially cylindrical body, for example a pipe or a cable, is specified in claim 15. It has a device and contact means according to the invention for establishing an electrically conductive connection between the body to be contacted and a conductor, for example an earth cable.
  • the contact element consists of metal, preferably formed by a flat strand, a flat band or a metal braid band. Such contact elements are inexpensive.
  • the contact element is connected to the carrier element. If the carrier element is made of metal, an electrically conductive connection to the body to be contacted is made by establishing an electrically conductive connection between a conductor, for example an earth cable, and the carrier element, which can be accessible from the outside in the mounting position producible.
  • a conductor for example an earth cable
  • the Base body has at least one contact projection made of electrically conductive material, which in the assembly position bears against the electrically conductive part of the body to be contacted and thus forms the contact means.
  • a separate contact element is not required, so that the structure of the device according to the invention is further simplified.
  • the or each contact projection is expediently formed on the carrier element. If this consists of sheet metal, for example, the contact projections can be formed by beads or arches pressed into the sheet metal.
  • the thermoplastic elastomer can be selected within wide limits according to the respective requirements.
  • thermoplastic elastomer can be replaced by a thermoplastic polyurethane (TPE-U) and / or a styrene block copolymer (TE-S) and / or a thermoplastic polyolefin elastomer (TPE-O) and / or a thermoplastic copolyester (TPE-E) and / or a polyether-polyamide block copolymer and / or an elastomer alloy of at least one thermoplastic elastomer, as provided by embodiments.
  • TPE-U thermoplastic polyurethane
  • TE-S styrene block copolymer
  • TPE-O thermoplastic polyolefin elastomer
  • TPE-E thermoplastic copolyester
  • FIG. 1 is a schematic perspective view of a first embodiment of the device according to the invention
  • FIG. 2 shows an enlarged axial section through part of a cable that is electrically contacted with the device according to FIG. 1, FIG.
  • FIG. 3 shows a schematic perspective view of the cable contacted with the device according to FIG. 1,
  • FIG. 5 shows a schematic view of the radial inner surface of the device according to FIG. 1
  • FIG. 6 shows a schematic radial section through the device according to FIG. 4 in
  • FIG. 8 shows a fourth embodiment of a device according to the invention in a representation similar to FIG. 7,
  • FIG. 9 shows the device according to FIG. 8 in the same representation as FIG. 7, an end part being connected to a tab
  • FIG. 10 in the same representation as Fig. 8 shows the device of FIG. 8, with two tabs end parts are connected.
  • FIG. 1 shows a first exemplary embodiment of a device according to the invention in the form of a device 2 for electrically contacting an electrically conductive part of an in particular elongated, for example essentially cylindrical body, for example a pipe or a cable.
  • the device 2 has a flexible base body 4 made of thermoplastic elastomer, in which a band-shaped carrier element 6 made of metal is embedded.
  • thermoplastic elastomer has the following material properties: the Shore hardness (A) is approximately 64 (DIN
  • the compression set is less than about 25% (DIN 53517, temperature 70 ° C, duration 48 hours), - the tensile strength is more than about 6
  • the change in hardness after aging is not higher than about ⁇ 3 (DIN 53508, DIN 53505-A), the change in tensile strength according to aging tion is not greater than approximately ⁇ 15% (DIN 53508, DIN 53504), the change in elongation at break after aging is not greater than approximately ⁇ 20% (DIN 53508, DIN 53504), the thermoplastic elastomer is ozone-resistant, UV-resistant and oil-resistant .
  • the base body 4 has angled tabs 8, 10 at its ends, the carrier element 6 extending in the circumferential direction of the base body 4 into the area of the tabs. Through holes are formed in the tab 8, through which screws (not shown in FIG.
  • the device 2 also has on the inner surface 16 of the base body, axially spaced sealing lips 18, 20, which extend in the circumferential direction of the base body 4 and in the assembly position of the device 2 lie sealingly on the outer surface of the body to be contacted.
  • additional sealing lips 22, 24 are arranged in the axial direction outside of these. net.
  • the sealing lips 18, 20 and the further sealing lips 22, 24 consist in the illustrated embodiment of the same thermoplastic elastomer as the base body 4 and are integrally formed therewith.
  • the device 2 according to the invention can be produced, for example, in that the carrier element 6 is embedded in the latter, forming the sealing lips 18, 20 and the further sealing lips 22, 24, by extrusion coating with the thermoplastic elastomer.
  • the base body 4 can, however, also consist of extruded strip material together with the sealing lips 18-24. 2 that the contact area 28 is left free by the thermoplastic elastomer on the inner surface 26 of the carrier element 6.
  • the device 2 with the sealing lips 18, 20 and the further sealing lips 22, 24 lies on an outer surface 30 of an essentially cylindrical body, in the embodiment shown in the drawing on the outer surface (outer surface) of a cable 32.
  • An electrically conductive region 34 is formed on the outer surface 30 of the cable 32 by stripping the outer conductor.
  • a contact element 36 for establishing an electrically conductive connection between the outer surface 30 and the inner surface 26 is arranged between the electrically conductive region 34 and the inner surface 26 of the carrier element 6, which in this exemplary embodiment is formed by an element made of elastic graphite.
  • the contact element 36 can also consist of metal, for example formed by a strand or a metal braid.
  • the base body 4 When bracing tab 8 with tab 10 1, the base body 4 encloses the outer surface 30 of the cable 32, the sealing lips 18, 20 and the further sealing lips 22, 24 being pressed together, sealingly coming into contact with the outer surface 30 of the cable 32 and thus the Seal the space formed between the inner surface of the base body and the outer surface 30 of the cable 32 against the ingress of dust and moisture.
  • seals 8, 10 can be provided on the sheets, which seal the space formed between the inner surface 16 of the base body 4 and the outer surface 30 of the cable 32 in the circumferential direction of the base body.
  • the contact element 36 between the inner surface 26 of the carrier element 6 and the electrically conductive region 34 on the outer surface 30 of the cable 32 is compressed and in this way provides an electrically conductive connection between the outer conductor of the cable 32 and the Carrier element 6 ago.
  • An electrically conductive connection between the outer conductor of the cable 32 and an external conductor, for example a grounding cable, can then be established via the screws passing through the support holes 6 in the threaded bores 14.
  • the sealing lips 18, 20 are each arranged relative to the associated longitudinal edge 38, 40 of the carrier element 6 of the base body 4 such that the sealing lips 18, 20 each in the axial direction from an area inside of the associated longitudinal edge 38, 40 extend approximately into the area of the associated longitudinal edge 38, 40. In this way it is ensured that the material of the sealing lips when attaching the device 2 on the cable 32 between the carrier element 6 and the outer surface 30 of the cable 32 is evenly compressed, and is not pressed outward in the axial direction. Because the elastic material of the base body together with the
  • Sealing lips 18, 20 and the other sealing lips 22, 24 consists of a thermoplastic elastomer, the manufacture of the device 2 according to the invention is inexpensive.
  • the thermoplastic elastomer is simple and therefore inexpensive to process, for example by injection molding, casting or extrusion. Vulcanization is not necessary. This reduces the cycle times in the manufacture of the device according to the invention and lowers the manufacturing costs.
  • the device 2 according to the invention is robust, durable and resistant to aging and can be subjected to high mechanical loads. It can also be used in a wide temperature range.
  • the device 2 shown in FIGS. 1 and 2 can also be used as a device for sealing, for example an electrically conductive contact or the like on an outer surface of a particularly cylindrical body to prevent moisture or dust from penetrating into the area of the contact.
  • the contact means in particular the contact element 36 and possibly. also the carrier element 6 made of metal, not required.
  • FIG. 3 shows the device 2 according to FIGS. 1 and 2 in the assembly position. It can be seen that the base body 4 in this mounting position on the Cable 32 rests and encompasses this in the form of a sleeve.
  • FIG. 4 shows a second exemplary embodiment of a device according to the invention for electrically conductive contact, which differs from the exemplary embodiment according to FIG. 1 in that instead of the contact element 36 contact projections are provided, of which only one with the reference symbol 38 in FIG. 4 provided contact protrusion is recognizable.
  • the contact projection 38 is through a convex in cross section to the cable 32 in the
  • Top view formed essentially circular profile in the form of a curvature.
  • Contact projection 40 are each formed by a circular profile in the carrier element 6 in plan view.
  • FIG. 6 which shows a schematic radial section through the device 2 in the assembly position, it can be seen that in addition to the contact projections 38, 40 there is also a further contact projection 42 and that the contact projections 38, 40, 42 in the circumferential direction of the base body 4 are substantially equally spaced from one another.
  • FIG. 7 shows a third embodiment of a device 2 according to the invention, which differs from the embodiment according to FIG. 1 essentially in that separate end parts 44, 46 are connected to the sheets 8, 10, which are shown in FIG are shown lifted off the tabs 8, 10.
  • the end parts 44, 46 are formed by molded parts which are made entirely of a thermoplastic elastomer consist.
  • the end parts 44, 46 are sprayed onto flat surfaces 48, 50 of the tabs 8, 10 facing one another in the assembly position. However, they can also be connected to the tabs 8, 10 in any other way. In the assembly position, the end parts 44, 46 have sealing surfaces 52, 54 which abut one another in a sealing manner.
  • FIG. 8 shows a fourth exemplary embodiment of a device 2 according to the invention, which differs from the exemplary embodiment according to FIG. 1 in that the carrier element 6 has beads 56, 58 which are spaced apart in the axial direction of the base body 4 and extend in the circumferential direction, in which separate sealing lip parts 60, 62 made of thermoplastic elastomer are accommodated.
  • the sealing lip parts 60, 62 which can be glued into the beads 56, 58 or held positively or clampingly therein, each have two sealing lips 64, 66 and 68, 70 spaced apart from one another in the axial direction.
  • FIG. 9 shows the device 2 according to FIG. 8, the end part 46 being connected to the tab 8.
  • the end part 46 can have recesses complementary to the free ends of the adjacent sealing lip parts 60, 62, into which the sealing lip parts 60, 62 with their free Engage ends.
  • the end part 46 can also be intimately connected to the ends of the sealing lip parts 60, 62, for example by injection molding.
  • FIG. 10 shows the device according to FIG. 9, the end part 44 being connected to the carrier element 6 in a manner corresponding to the end part 46.
  • the sealing lip parts 60, 62 preferably consist of the same thermoplastic elastomer as the end parts 44, 46.
  • the sealing lip parts 60, 62 can also be formed in one piece with the end parts 44, 46.
  • the sealing lip parts 60, 62 and / or the end parts 44, 46 can for example also be sprayed onto the carrier element 6.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Connector Housings Or Holding Contact Members (AREA)
  • Installation Of Indoor Wiring (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Clamps And Clips (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)

Abstract

L'invention concerne un dispositif permettant de mettre en contact électrique des tuyaux ou des câbles. Le dispositif comporte un corps de base (4) qui, en position montée, repose sur le corps à contacter et qui est constitué au moins en partie d'un matériau élastique. Selon l'invention, ledit matériau élastique est constitué au moins en partie d'au moins un élastomère thermoplastique (TPE).
PCT/EP1999/005638 1998-08-06 1999-08-04 Colliers electriquement conducteurs pour tuyaux et cables Ceased WO2000008369A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AU54195/99A AU741870B2 (en) 1998-08-06 1999-08-04 Electro-conductive tube or cable clamp
BR9912800-4A BR9912800A (pt) 1998-08-06 1999-08-04 Equipamento para o contato de corpos especialmente alongados, por exemplo corpos essencialmente cilìndricos, por exemplo tubos ou cabos

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
DE29814061 1998-08-06
DE29814061.6 1998-08-06
DE29814516.2 1998-08-14
DE29814516 1998-08-14
EP99109828A EP0978678B1 (fr) 1998-08-06 1999-05-19 Collier de serrage conductible pour tuyaux ou câbles
EP99109828.6 1999-05-19

Publications (1)

Publication Number Publication Date
WO2000008369A1 true WO2000008369A1 (fr) 2000-02-17

Family

ID=27220141

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP1999/005638 Ceased WO2000008369A1 (fr) 1998-08-06 1999-08-04 Colliers electriquement conducteurs pour tuyaux et cables

Country Status (5)

Country Link
CN (1) CN1137337C (fr)
AU (1) AU741870B2 (fr)
BR (1) BR9912800A (fr)
RU (1) RU2204077C2 (fr)
WO (1) WO2000008369A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001057959A1 (fr) * 2000-02-03 2001-08-09 Daume Patentbesitzgesellschaft Mbh Bride de fixation electro-conductrice pour tuyaux ou cables
EP1808935A1 (fr) * 2005-12-19 2007-07-18 Alcatel Lucent Dispositif de mise à la terre avec boîtier en matière plastique
US11692651B2 (en) 2017-12-13 2023-07-04 Eaton Intelligent Power Limited Coupler with non-metallic conductive gasket

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10326894B3 (de) * 2003-06-14 2004-09-30 Rasmussen Gmbh Heizvorrichtung mit einer elektrischen Wärmequelle zum Erwärmen eines Fluids in einer Fluidleitung eines Kraftfahrzeugs
RU2348740C2 (ru) * 2007-02-13 2009-03-10 Башкирский государственный аграрный университет (БГАУ) Способ нанесения покрытий из резин
FR2962513B1 (fr) * 2010-07-09 2012-08-10 Trw Automotive Elect & Components Gmbh Composant pour un clip de fixation et clip de fixation
US9502155B2 (en) * 2014-08-07 2016-11-22 General Electric Company Coaxial or triaxial seal assembly
CN106786322A (zh) * 2017-03-18 2017-05-31 江苏国科新材料科技有限公司 电缆密封系统

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2432492A (en) * 1942-05-09 1947-12-09 Tinnerman Products Inc Combined nut fastener and grounding member
US3756631A (en) * 1972-05-08 1973-09-04 Ross Sand Co Inc Pipe gasket collar
US4221407A (en) * 1978-07-10 1980-09-09 Steimle Wayne D Coupling assembly for plastic tubing
EP0165691A1 (fr) * 1984-05-05 1985-12-27 GLYNWED CONSUMER & BUILDING PRODUCTS LIMITED Pièces de liaison de tuyaux sans emboîtement
EP0744788A1 (fr) * 1995-05-20 1996-11-27 Alcatel Kabel AG & Co. Dispositif pour contacter électriquement un tube métallique

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2432492A (en) * 1942-05-09 1947-12-09 Tinnerman Products Inc Combined nut fastener and grounding member
US3756631A (en) * 1972-05-08 1973-09-04 Ross Sand Co Inc Pipe gasket collar
US4221407A (en) * 1978-07-10 1980-09-09 Steimle Wayne D Coupling assembly for plastic tubing
EP0165691A1 (fr) * 1984-05-05 1985-12-27 GLYNWED CONSUMER & BUILDING PRODUCTS LIMITED Pièces de liaison de tuyaux sans emboîtement
EP0744788A1 (fr) * 1995-05-20 1996-11-27 Alcatel Kabel AG & Co. Dispositif pour contacter électriquement un tube métallique

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001057959A1 (fr) * 2000-02-03 2001-08-09 Daume Patentbesitzgesellschaft Mbh Bride de fixation electro-conductrice pour tuyaux ou cables
US6943299B1 (en) 2000-02-03 2005-09-13 Daume Patentbesitzgesellschaft Mbh Electroconductive pipe or cable clamp
EP1808935A1 (fr) * 2005-12-19 2007-07-18 Alcatel Lucent Dispositif de mise à la terre avec boîtier en matière plastique
US7414198B2 (en) 2005-12-19 2008-08-19 Alcatel Grounding device with plastic housing
US11692651B2 (en) 2017-12-13 2023-07-04 Eaton Intelligent Power Limited Coupler with non-metallic conductive gasket

Also Published As

Publication number Publication date
CN1247286A (zh) 2000-03-15
BR9912800A (pt) 2001-05-02
CN1137337C (zh) 2004-02-04
AU741870B2 (en) 2001-12-13
AU5419599A (en) 2000-02-28
RU2204077C2 (ru) 2003-05-10
HK1025375A1 (en) 2000-11-10

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