US3340353A - Double-shielded electric cable - Google Patents

Double-shielded electric cable Download PDF

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Publication number
US3340353A
US3340353A US523624A US52362466A US3340353A US 3340353 A US3340353 A US 3340353A US 523624 A US523624 A US 523624A US 52362466 A US52362466 A US 52362466A US 3340353 A US3340353 A US 3340353A
Authority
US
United States
Prior art keywords
shield
metallic
cable
metallic shield
jacket
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US523624A
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English (en)
Inventor
Raymond C Mildner
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.)
Dow Chemical Co
Original Assignee
Dow Chemical Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dow Chemical Co filed Critical Dow Chemical Co
Priority to US523624A priority Critical patent/US3340353A/en
Priority to FR90491A priority patent/FR1507698A/fr
Priority to DE19671615949 priority patent/DE1615949A1/de
Priority to NL6700700A priority patent/NL6700700A/xx
Priority to GB3946/67A priority patent/GB1112816A/en
Priority to BE693288D priority patent/BE693288A/xx
Application granted granted Critical
Publication of US3340353A publication Critical patent/US3340353A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
    • H01B7/2806—Protection against damage caused by corrosion
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
    • H01B7/20—Metal tubes, e.g. lead sheaths
    • H01B7/202—Longitudinal lapped metal tubes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
    • H01B7/20—Metal tubes, e.g. lead sheaths
    • H01B7/208—Metal tubes, e.g. lead sheaths composed of composite laminated metals
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
    • H01B7/282—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable
    • H01B7/2825—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable using a water impermeable sheath
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B9/00—Power cables
    • H01B9/02—Power cables with screens or conductive layers, e.g. for avoiding large potential gradients
    • H01B9/022—Power cables with screens or conductive layers, e.g. for avoiding large potential gradients composed of longitudinal lapped tape-conductors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B9/00—Power cables
    • H01B9/02—Power cables with screens or conductive layers, e.g. for avoiding large potential gradients
    • H01B9/023—Power cables with screens or conductive layers, e.g. for avoiding large potential gradients composed of helicoidally wound tape-conductors

Definitions

  • This invention relates to improved electric cables and more particularly it relates to electric cables having an improved metallic shield construction.
  • an electric cable having an improved metallic shield construction which comprises, (1) a cable core of at least one insulated metallic conductor, (2) a first metallic shield surrounding the cable core, (3) a second metallic shield surrounding the first metallic shield, said second shield having a thickness less than that of the first metallic shield, and (4) an outer jacket of a thermoplastic material surrounding the second shield, the second shield being firmly and adhesively bonded to the outer jacket.
  • FIGURE 1 is a schematic view of a side elevation of a cable employing the double-shielded construction of the present invention.
  • FIGURE 2 is a schematic view of a side elevation of a cable construction similar to that of FIGURE 1 except that the shielding layers are corrugated.
  • a cable core 1 of conventional design having at least one insulated metal conductor is bound with a binder tape 2 and the tape 2 is surrounded by a plastic layer 3.
  • the plastic layer 3 is surrounded by a first metallic shield 4 and is preferably bonded thereto.
  • An outer polymer jacket 7 of conventional design surrounds the second shield 4 and is ad hesively and co-extensively bonded thereto at the interface 6.
  • the adhesive :bond may be obtained by using any suitable adhesive; however, it is preferred that an adhesive thermoplastic polymer be employed, e.g. a copolymer of ethylene and an ethylenically unsaturated carboxylic acid.
  • jacket 7 is securely bonded to shield 5, it may also be desirable to apply a thin layer of a viscous,
  • bitumen having a thickness less than that weakly adherent material, e.g. bitumen, between the first shield 4 and the second shield 5 to make the cable less susceptible to moisture penetration.
  • the bitumen layer does not interfere with jointing operations and jacket 7 and shield 5 can be easily removed without damage to the inner shield 4.
  • the metallic shields 4 and 5 are shown as longitudinally folded with a simple overlapped seam, but it will be understood that other seams, e.g. double crimped, may be used and either or both of the shielding tapes may be helically laid.
  • a cable is constructed the same as described above except that the plastic layer 3 is omitted and the metal shield 4 is folded directly over the binder tape 2.
  • a cable core 11 of conventional design having at least one insulated metal conductor is bound with a binder tape 12 and the tap 12 is surrounded by a plastic layer 13.
  • the plastic layer 13 is surrounded by a first metallic corrugated shield 14 and is preferably bonded thereto.
  • a second metallic corrugated shield 15, of the first shield 14, surrounds shield 14.
  • An outer polymer jacket 17 of conventional design surrounds the second shield 14 and is adhesively and co-extensively bonded thereto at the interface 16.
  • the metals employed in the form of plain or corrugated sheets or "foils as shielding elements for cables in accordance with the invention include aluminum, copper, copper-bronze, copper-clad steel, tin plated steel, galvanized iron and the like.
  • the outer polymer jacket is adhesively bonded to the adjacent inner metallic shield by means of an adhesive thermoplastic composition such as a copolymer of ethylene and an ethylenically unsaturated carboxylic acid.
  • an adhesive thermoplastic composition such as a copolymer of ethylene and an ethylenically unsaturated carboxylic acid.
  • This adhesive composition provides an excellent bond between the jacket and metallic shield, said bond being highly resistant to moisture and, more important, the bond resists failure when subjected to uneven stresses.
  • the outer polymer jacket may contain fillers such as carbon black where such fillers are desirable to semi-conducting jackets.
  • the particular double-shield cable construction of the present invention offers the important advantage, during jointing operations, of one being able to remove the outer jacket without damaging the inner metallic shield.
  • the outer jacket being bonded to the adjacent thin metallic shield can be easily removed from a cable end by making a transverse cut to the appropriate depth around the cable. Removal of the jacket and shield exposes the inner metallic shield so that the required connection to form a joint to an adjacent cable can be made.
  • EXAMPLE 1 A thin layer of high density polyethylene 50 mils thick, is extruded over a strand of multi-pair conductors.
  • a thin coating of bitumen about 1 mil thick is applied to the surface of the aluminum.
  • An aluminum tape 2 mils thick, having a layer of a copolymer of ethylene and acrylic acid on one side thereof, is longitudinally folded about the bitumencovered aluminum layer, the copolymer layer being outermake, for example,
  • EXAMPLE 2 A strand of multi-pair conductors is wrapped with a binder tape to hold them together.
  • a corrugated copper tape mils thick is longitudinally wrapped around the binder tape.
  • An outer polymer jacket of polyethylene containing 25' percent by weight carbon black is extruded over the copolymer-coated stainless steel tape, the heat of extrusion causing the polyethylene to become bonded to the stainless steel tape through the intermediate copolymer layer.
  • An electric cable having an improved metallic shield construction which comprises (1) a cable core of at least one insulated metallic conductor, (2) a first metallic shield surrounding the cable core, (3) a second metallic shield surrounding the first metallic shield, said second shield having a thickness of less than one-half the thickness of the first metallic shield, there being an absence of bonding between said first and second metallic shields and (4) an outer jacket of a thermoplastic material surrounding 4 the second shield, the second shield being firmly and adhesively bonded to the outer jacket.
  • An electric cable comprising (1) a cable core of at least one insulated metallic conductor, (2) a first metallic shield of aluminum 8 mils thick surrounding the cable core, (3) a second metallic shield of aluminum 2 mils thick surrounding the first aluminum shield, said second shield having a thin layer of a copolymer of ethylene and acrylic acid applied to the outermost surface thereof and (4) an outer jacket of polyethylene bonded to the second aluminum shield, said polyethylene containing 2.5 percent by weight conductive carbon black.

Landscapes

  • Insulated Conductors (AREA)
US523624A 1966-01-28 1966-01-28 Double-shielded electric cable Expired - Lifetime US3340353A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
US523624A US3340353A (en) 1966-01-28 1966-01-28 Double-shielded electric cable
FR90491A FR1507698A (fr) 1966-01-28 1967-01-10 Câble électrique à double gaîne
DE19671615949 DE1615949A1 (de) 1966-01-28 1967-01-17 Elektrokabel mit doppelter Abschirmung
NL6700700A NL6700700A (de) 1966-01-28 1967-01-17
GB3946/67A GB1112816A (en) 1966-01-28 1967-01-26 Double-shielded electric cable
BE693288D BE693288A (de) 1966-01-28 1967-01-27

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US523624A US3340353A (en) 1966-01-28 1966-01-28 Double-shielded electric cable

Publications (1)

Publication Number Publication Date
US3340353A true US3340353A (en) 1967-09-05

Family

ID=24085747

Family Applications (1)

Application Number Title Priority Date Filing Date
US523624A Expired - Lifetime US3340353A (en) 1966-01-28 1966-01-28 Double-shielded electric cable

Country Status (6)

Country Link
US (1) US3340353A (de)
BE (1) BE693288A (de)
DE (1) DE1615949A1 (de)
FR (1) FR1507698A (de)
GB (1) GB1112816A (de)
NL (1) NL6700700A (de)

Cited By (58)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3534149A (en) * 1966-12-06 1970-10-13 Bell Telephone Labor Inc Communication cable systems
US3564110A (en) * 1966-12-06 1971-02-16 Bell Telephone Labor Inc Electrical cables
US3638306A (en) * 1970-09-24 1972-02-01 Bell Telephone Labor Inc Method of making a communications cable
US3643007A (en) * 1969-04-02 1972-02-15 Superior Continental Corp Coaxial cable
US3643008A (en) * 1970-10-06 1972-02-15 Whitney Blake Co Shielded cable construction providing for an internal connection to ground
US3648201A (en) * 1968-11-08 1972-03-07 Telefunken Patent Plastic covered flexible waveguide formed from a metal coated dielectric layer
US3673315A (en) * 1970-09-08 1972-06-27 Belden Corp Shielded cable
US3711621A (en) * 1971-02-18 1973-01-16 Gen Cable Corp Moisture block in sheathed telephone cables
US4130450A (en) * 1975-11-12 1978-12-19 General Cable Corporation Method of making extruded solid dielectric high voltage cable resistant to electrochemical trees
US4262162A (en) * 1978-07-14 1981-04-14 Kabel-Und Metallwerke Gutehoffnungshuette Ag Composite corrugated electrical cables
US4328394A (en) * 1981-01-14 1982-05-04 Bell Telephone Laboratories, Inc. Bonded sheath cable
US4398058A (en) * 1980-03-27 1983-08-09 Kabelmetal Electro Gmbh Moisture-proofing electrical cable
US4408089A (en) * 1979-11-16 1983-10-04 Nixon Charles E Extremely low-attenuation, extremely low radiation loss flexible coaxial cable for microwave energy in the gigaHertz frequency range
US4439632A (en) * 1981-01-14 1984-03-27 Western Electric Co., Inc. Bonded sheath cable
DE3315588A1 (de) * 1983-04-29 1984-10-31 Herbert Prof. 8031 Gröbenzell Prenzlau Starkstromkabel
US4482413A (en) * 1983-08-31 1984-11-13 At&T Technologies, Inc. Methods of and apparatus for forming strips of non-metallic and metallic material into tubular covers having overlapped seams
US4487641A (en) * 1983-11-15 1984-12-11 At&T Technologies, Inc. Methods of and apparatus for making a rodent and lighting protective cable sheath system
US4487660A (en) * 1980-10-31 1984-12-11 Electric Power Research Institute Multiple wall structure for flexible cable using tubular and spiral corrugations
US4510346A (en) * 1983-09-30 1985-04-09 At&T Bell Laboratories Shielded cable
US4694122A (en) * 1986-03-04 1987-09-15 Cooper Industries, Inc. Flexible cable with multiple layer metallic shield
US4835394A (en) * 1987-07-31 1989-05-30 General Electric Company Cable assembly for an electrical signal transmission system
US4973794A (en) * 1987-07-31 1990-11-27 General Electric Company Cable assembly for an electrical signal transmission system
US5146046A (en) * 1991-02-28 1992-09-08 At&T Bell Laboratories Cable having waterblocking provisions between layers of relatively rigid and supple materials
US5389736A (en) * 1992-10-29 1995-02-14 Kabelmetal Electro Gmbh Power and control cable with a two layer metallic sheath for marine applications
US5926949A (en) * 1996-05-30 1999-07-27 Commscope, Inc. Of North Carolina Method of making coaxial cable
US5949018A (en) * 1996-12-23 1999-09-07 Commscope, Inc. Of North Carolina Water blocked shielded coaxial cable
US6201190B1 (en) * 1998-09-15 2001-03-13 Belden Wire & Cable Company Double foil tape coaxial cable
US6246006B1 (en) * 1998-05-01 2001-06-12 Commscope Properties, Llc Shielded cable and method of making same
US6288372B1 (en) 1999-11-03 2001-09-11 Tyco Electronics Corporation Electric cable having braidless polymeric ground plane providing fault detection
US6326551B1 (en) 1997-08-14 2001-12-04 Commscope Properties, Llc Moisture-absorbing coaxial cable and method of making same
US6337441B1 (en) 1997-01-21 2002-01-08 Koakkus Kabushiki Kaisha Shielded multiconductor cable and manufacturing method therefor
US6342677B1 (en) * 1999-05-25 2002-01-29 Trilogy Communications, Inc. High frequency cable having a dual-layer structure
US6384337B1 (en) 2000-06-23 2002-05-07 Commscope Properties, Llc Shielded coaxial cable and method of making same
US6667440B2 (en) 2002-03-06 2003-12-23 Commscope Properties, Llc Coaxial cable jumper assembly including plated outer conductor and associated methods
US20080190643A1 (en) * 2004-04-27 2008-08-14 Perelli & C.S.P.A. Process for Manufacturing a Cable Resistant to External Chemical Agents
EP2312591A1 (de) * 2009-08-31 2011-04-20 Nexans Ermüdungsbeständige metallische Feuchtigkeitsabschirmung für ein Unterseestromkabel
US20130063129A1 (en) * 2011-09-09 2013-03-14 Subramanyam Satyasurya Chamarti Sensor devices and methods for use in sensing current through a conductor
US8829888B2 (en) 2011-09-09 2014-09-09 General Electric Company Sensor devices and methods for use in sensing current through a conductor
CN104167254A (zh) * 2014-09-03 2014-11-26 中利科技集团股份有限公司 具有超软铝导体的电动汽车内部用双护套高压连接电缆及制作方法
CN104167251A (zh) * 2014-09-03 2014-11-26 中利科技集团股份有限公司 一种具有超柔软铝导体的电动汽车内部用高压连接电缆及其制作方法
US8912807B2 (en) 2011-09-09 2014-12-16 General Electric Company Sensor devices and methods for use in sensing current through a conductor
US9075091B2 (en) 2011-09-09 2015-07-07 General Electric Company Sensor devices and methods for use in sensing current through a conductor
US9081040B2 (en) 2011-09-09 2015-07-14 General Electric Company Sensor devices and methods for use in sensing current through a conductor
WO2015149825A1 (en) * 2014-03-31 2015-10-08 Abb Technology Ltd Electric power cable and process for the production of electric power cable
US20150287501A1 (en) * 2012-10-26 2015-10-08 Huber+Suhner Ag Microwave cable and method for producing and using such a microwave cable
US9304149B2 (en) 2012-05-31 2016-04-05 Pulse Electronics, Inc. Current sensing devices and methods
US9664711B2 (en) 2009-07-31 2017-05-30 Pulse Electronics, Inc. Current sensing devices and methods
US9671434B2 (en) 2014-08-08 2017-06-06 Aclara Meters Llc Sensor devices and methods for use in sensing current through a conductor
US9823274B2 (en) 2009-07-31 2017-11-21 Pulse Electronics, Inc. Current sensing inductive devices
US10283238B1 (en) 2018-03-19 2019-05-07 Te Connectivity Corporation Electrical cable
US10283240B1 (en) 2018-03-19 2019-05-07 Te Connectivity Corporation Electrical cable
US10304592B1 (en) 2018-03-19 2019-05-28 Te Connectivity Corporation Electrical cable
US20190318841A1 (en) * 2018-04-13 2019-10-17 Te Connectivity Corporation Electrical cable
US10600536B1 (en) 2018-10-12 2020-03-24 Te Connectivity Corporation Electrical cable
US10600537B1 (en) 2018-10-12 2020-03-24 Te Connectivity Corporation Electrical cable
US10741308B2 (en) 2018-05-10 2020-08-11 Te Connectivity Corporation Electrical cable
CN112447324A (zh) * 2019-09-05 2021-03-05 泰连公司 电气电缆
EP4231317A1 (de) * 2022-02-18 2023-08-23 NKT HV Cables AB Stromkabel mit mehreren wasserbarrieren

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3590141A (en) * 1969-02-17 1971-06-29 Dow Chemical Co Electric cable having improved resistance to moisture

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US2589700A (en) * 1949-07-16 1952-03-18 Western Electric Co Electric cable sheathing
GB942730A (en) * 1962-07-30 1963-11-27 Standard Telephones Cables Ltd Electric cables
GB968061A (en) * 1963-01-02 1964-08-26 Pirelli General Cable Works Improvements in or relating to screened insulated electric conductors
US3233036A (en) * 1963-11-01 1966-02-01 Gen Cable Corp Corrosion proof shielding tape for shielding telephone cables

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2589700A (en) * 1949-07-16 1952-03-18 Western Electric Co Electric cable sheathing
GB942730A (en) * 1962-07-30 1963-11-27 Standard Telephones Cables Ltd Electric cables
GB968061A (en) * 1963-01-02 1964-08-26 Pirelli General Cable Works Improvements in or relating to screened insulated electric conductors
US3233036A (en) * 1963-11-01 1966-02-01 Gen Cable Corp Corrosion proof shielding tape for shielding telephone cables

Cited By (73)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3534149A (en) * 1966-12-06 1970-10-13 Bell Telephone Labor Inc Communication cable systems
US3564110A (en) * 1966-12-06 1971-02-16 Bell Telephone Labor Inc Electrical cables
US3648201A (en) * 1968-11-08 1972-03-07 Telefunken Patent Plastic covered flexible waveguide formed from a metal coated dielectric layer
US3643007A (en) * 1969-04-02 1972-02-15 Superior Continental Corp Coaxial cable
US3673315A (en) * 1970-09-08 1972-06-27 Belden Corp Shielded cable
US3638306A (en) * 1970-09-24 1972-02-01 Bell Telephone Labor Inc Method of making a communications cable
US3643008A (en) * 1970-10-06 1972-02-15 Whitney Blake Co Shielded cable construction providing for an internal connection to ground
US3711621A (en) * 1971-02-18 1973-01-16 Gen Cable Corp Moisture block in sheathed telephone cables
US4130450A (en) * 1975-11-12 1978-12-19 General Cable Corporation Method of making extruded solid dielectric high voltage cable resistant to electrochemical trees
US4262162A (en) * 1978-07-14 1981-04-14 Kabel-Und Metallwerke Gutehoffnungshuette Ag Composite corrugated electrical cables
US4408089A (en) * 1979-11-16 1983-10-04 Nixon Charles E Extremely low-attenuation, extremely low radiation loss flexible coaxial cable for microwave energy in the gigaHertz frequency range
US4398058A (en) * 1980-03-27 1983-08-09 Kabelmetal Electro Gmbh Moisture-proofing electrical cable
US4487660A (en) * 1980-10-31 1984-12-11 Electric Power Research Institute Multiple wall structure for flexible cable using tubular and spiral corrugations
US4328394A (en) * 1981-01-14 1982-05-04 Bell Telephone Laboratories, Inc. Bonded sheath cable
US4439632A (en) * 1981-01-14 1984-03-27 Western Electric Co., Inc. Bonded sheath cable
DE3315588A1 (de) * 1983-04-29 1984-10-31 Herbert Prof. 8031 Gröbenzell Prenzlau Starkstromkabel
US4482413A (en) * 1983-08-31 1984-11-13 At&T Technologies, Inc. Methods of and apparatus for forming strips of non-metallic and metallic material into tubular covers having overlapped seams
US4510346A (en) * 1983-09-30 1985-04-09 At&T Bell Laboratories Shielded cable
US4487641A (en) * 1983-11-15 1984-12-11 At&T Technologies, Inc. Methods of and apparatus for making a rodent and lighting protective cable sheath system
US4694122A (en) * 1986-03-04 1987-09-15 Cooper Industries, Inc. Flexible cable with multiple layer metallic shield
US4835394A (en) * 1987-07-31 1989-05-30 General Electric Company Cable assembly for an electrical signal transmission system
US4973794A (en) * 1987-07-31 1990-11-27 General Electric Company Cable assembly for an electrical signal transmission system
US5146046A (en) * 1991-02-28 1992-09-08 At&T Bell Laboratories Cable having waterblocking provisions between layers of relatively rigid and supple materials
US5389736A (en) * 1992-10-29 1995-02-14 Kabelmetal Electro Gmbh Power and control cable with a two layer metallic sheath for marine applications
US6137058A (en) * 1996-05-30 2000-10-24 Commscope, Inc. Of North Carolina Coaxial cable
US5959245A (en) * 1996-05-30 1999-09-28 Commscope, Inc. Of North Carolina Coaxial cable
US5926949A (en) * 1996-05-30 1999-07-27 Commscope, Inc. Of North Carolina Method of making coaxial cable
US5949018A (en) * 1996-12-23 1999-09-07 Commscope, Inc. Of North Carolina Water blocked shielded coaxial cable
US6337441B1 (en) 1997-01-21 2002-01-08 Koakkus Kabushiki Kaisha Shielded multiconductor cable and manufacturing method therefor
US6326551B1 (en) 1997-08-14 2001-12-04 Commscope Properties, Llc Moisture-absorbing coaxial cable and method of making same
US6246006B1 (en) * 1998-05-01 2001-06-12 Commscope Properties, Llc Shielded cable and method of making same
US6201190B1 (en) * 1998-09-15 2001-03-13 Belden Wire & Cable Company Double foil tape coaxial cable
US6342677B1 (en) * 1999-05-25 2002-01-29 Trilogy Communications, Inc. High frequency cable having a dual-layer structure
US6288372B1 (en) 1999-11-03 2001-09-11 Tyco Electronics Corporation Electric cable having braidless polymeric ground plane providing fault detection
US6384337B1 (en) 2000-06-23 2002-05-07 Commscope Properties, Llc Shielded coaxial cable and method of making same
US20040123999A1 (en) * 2002-03-06 2004-07-01 Commscope Properties, Llc Coaxial cable jumper assembly including plated outer conductor and associated methods
US7127806B2 (en) 2002-03-06 2006-10-31 Commscope Properties, Llc Method for marking coaxial cable jumper assembly including plated outer assembly
US6667440B2 (en) 2002-03-06 2003-12-23 Commscope Properties, Llc Coaxial cable jumper assembly including plated outer conductor and associated methods
US8772638B2 (en) 2004-04-27 2014-07-08 Prysmian Cavi E Sistemi Energia S.R.L. Process for manufacturing a cable resistant to external chemical agents
US20080190643A1 (en) * 2004-04-27 2008-08-14 Perelli & C.S.P.A. Process for Manufacturing a Cable Resistant to External Chemical Agents
US7601915B2 (en) * 2004-04-27 2009-10-13 Prysmian Cavi E Sistemi Energia S.R.L. Process for manufacturing a cable resistant to external chemical agents
US20100000759A1 (en) * 2004-04-27 2010-01-07 Prysmian Cavi E Sistemi Energia S.R.L. Process for manufacturing a cable resistant to external chemical agents
CN1961386B (zh) * 2004-04-27 2010-05-05 普雷斯曼电缆及系统能源有限公司 制造抗外部化学试剂的电缆的方法
AU2004319993B2 (en) * 2004-04-27 2010-12-16 Prysmian Cavi E Sistemi Energia S.R.L. Process for manufacturing a cable resistant to external chemical agents
US9664711B2 (en) 2009-07-31 2017-05-30 Pulse Electronics, Inc. Current sensing devices and methods
US9823274B2 (en) 2009-07-31 2017-11-21 Pulse Electronics, Inc. Current sensing inductive devices
EP2312591A1 (de) * 2009-08-31 2011-04-20 Nexans Ermüdungsbeständige metallische Feuchtigkeitsabschirmung für ein Unterseestromkabel
US20130063129A1 (en) * 2011-09-09 2013-03-14 Subramanyam Satyasurya Chamarti Sensor devices and methods for use in sensing current through a conductor
US8829888B2 (en) 2011-09-09 2014-09-09 General Electric Company Sensor devices and methods for use in sensing current through a conductor
US8912807B2 (en) 2011-09-09 2014-12-16 General Electric Company Sensor devices and methods for use in sensing current through a conductor
US9075091B2 (en) 2011-09-09 2015-07-07 General Electric Company Sensor devices and methods for use in sensing current through a conductor
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NL6700700A (de) 1967-07-31
BE693288A (de) 1967-07-27
GB1112816A (en) 1968-05-08
FR1507698A (fr) 1967-12-29
DE1615949A1 (de) 1970-09-10

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