US3843829A - Center strength member cable - Google Patents

Center strength member cable Download PDF

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Publication number
US3843829A
US3843829A US00337357A US33735773A US3843829A US 3843829 A US3843829 A US 3843829A US 00337357 A US00337357 A US 00337357A US 33735773 A US33735773 A US 33735773A US 3843829 A US3843829 A US 3843829A
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US
United States
Prior art keywords
layer
cable
center
around
conductor members
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
US00337357A
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English (en)
Inventor
R Bridges
J Jason
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.)
Bendix Corp
Original Assignee
Bendix Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Bendix Corp filed Critical Bendix Corp
Priority to US00337357A priority Critical patent/US3843829A/en
Priority to JP49022949A priority patent/JPS50382A/ja
Application granted granted Critical
Publication of US3843829A publication Critical patent/US3843829A/en
Priority to JP1980073247U priority patent/JPS6035140Y2/ja
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
    • H01B7/04—Flexible cables, conductors, or cords, e.g. trailing cables

Definitions

  • ABSTRACT A high strength, lightweight electrical cable havii a center strength wire rope member and a plurality of hielded and insulate Hollywood, Calif.
  • the conducting are spirally wound spirally wound la cushioned throu [52] U.S. 174/36, 174/103, 174/107, gh T e use Of 8 Soft inSul and a plastic filler interposed between strength member and the conducto wires are formed in bundles and around the center insulator [51] Int. Cl. H0lb 11/06 [58] R, 115
  • the cable must be sufficiently strong to withstand these stresses and yet should be as light as possible because of the need to support the structure from a helicopter.
  • the cable is subject to wear and abrasion because it is reeled in and out from a drum over a sheave.
  • the transducer on the end of the cable tends to rotate on its vertical axis if there are forces available to cause this rotation.
  • the cable should preferably not contain an inherent force tending to cause this rotation, since the means correcting the sonar signal for orientation of the transducer is somewhat limited in its ability to track and compensate for such rotation.
  • FIGURE is a perspective view of a section of a cable according to our invention with various layers cut away to reveal the internal construction.
  • the center strength member consisting of a stranded wire rope 10 is surrounded by means of a thick layer of soft insulating material 12.
  • the wire rope 10 is actually formed of three cables of seven strands each, and this has proven to be quite efficient for the particular loading required. Other arrangements can be used, of course, to meet the strength requirements for each particular application.
  • the wire rope 10 is carefully torque-balanced to avoid introducing twisting forces since it is undesirable that the load carried on the end of this cable be subjected to substantial rotational forces.
  • Spirally wound around the outside of the soft plastic layer 12 are a plurality of conducting members l4, 16, 18, 20, 21, 22, 24, 26 and 28.
  • the spiral angle chosen is somewhat higher than normal, about 20 with respect to the cable center line.
  • a small layer of soft plastic filler material (not shown) which becomes somewhat fluid under pressure is inserted be tween the conducting members to hydraulically distribute transverse loads to minimize fatigue. Since the wire rope has a very high modulus of elasticity, it elongates only slightly under loads, and the spirally wound conductor members remain virtually unloaded and therefore relatively free of fatigue stresses as the cable is repeatedly tensioned in service.
  • An open braided sheath 30 of fabric such as nylon is used to secure the bundle of conducting members in place, and the entire assembly then has an extruded jacket 32 of polyurethane applied under pressure so that the polyurethane material is driven into and through the braid. In this manner the polyurethane is forced into the spaces around the individual conductor members and through the braided layer 30 in such manner as to insure that the jacket 32 is firmly secured and will not separate from the internal structure.
  • the individual conductor members 14-28 vary as to the numbers of individual conducting wires they contain, but they are of substantially the same overall diameter and quite small relative to the diameter of the entire cable. This factor plus the use of the soft plastic filler and the resilient insulation layer 12 tends to minimize the concentration of forces on any particular conducting member, even during reeling over a sheave or onto the storage reel.
  • Conductor 14 has a single large stranded conducting wire 34, and it is supplied with an insulating jacket 36. This jacket is, in turn, surrounded by means of a spirally wound electrical shield 38 of conducting material such as fine copper wire, and it, in turn, has a plastic insulating layer 40.
  • Conductor 16 has a plurality of individual conducting wires 42, 44, 46 and 48, and each of these has its separate insulating jacket. These are, in turn, contained within a sleeve 50 contained within a spiral shield 52 which is essentially identical to shield 38, and it, in turn, is covered with an insulating layer 54.
  • Conductors 20, 22 and 26 are identical to conductor 16.
  • Conductors 18, 21 and 24 are the same except that they contain only three individual conducting wires. By alternating these threeand four-wire conductors, the strands may be packed very tightly around the center insulation layers 12.
  • the individual conductor members are, as described above, of essentially the same diameter which minimizes stresses on any individual conductor member as the cable is reeled or passes over a sheave under load. Each of the conductor members has a spirally wound shielding layer to minimize electrical interference problems. This is particularly useful in the sonar application described since a substantial amount of power may be carried by the conductor 14.
  • An electrical cable comprising a torque-balanced wire rope member capable of carrying substantially the entire load on said cable
  • each of said members including at least one conducting wire, an insulating layer around said wire, a spirally wound shield of conducting wires in at least some of said conductor members and an insulating layer around said shield,
  • An electrical cable as set forth in claim 2 wherein a layer of soft plastic filler material is inserted around said soft insulating material and between said conductor members.

Landscapes

  • Insulated Conductors (AREA)
US00337357A 1973-03-02 1973-03-02 Center strength member cable Expired - Lifetime US3843829A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US00337357A US3843829A (en) 1973-03-02 1973-03-02 Center strength member cable
JP49022949A JPS50382A (enrdf_load_stackoverflow) 1973-03-02 1974-02-28
JP1980073247U JPS6035140Y2 (ja) 1973-03-02 1980-05-29 電気ケ−ブル

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00337357A US3843829A (en) 1973-03-02 1973-03-02 Center strength member cable

Publications (1)

Publication Number Publication Date
US3843829A true US3843829A (en) 1974-10-22

Family

ID=23320239

Family Applications (1)

Application Number Title Priority Date Filing Date
US00337357A Expired - Lifetime US3843829A (en) 1973-03-02 1973-03-02 Center strength member cable

Country Status (2)

Country Link
US (1) US3843829A (enrdf_load_stackoverflow)
JP (2) JPS50382A (enrdf_load_stackoverflow)

Cited By (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4250351A (en) * 1979-08-08 1981-02-10 The Bendix Corporation Cable construction
US4627076A (en) * 1982-02-24 1986-12-02 Her Majesty The Queen In Right Of Canada, As Represented By The Minister Of National Defence Of Her Majesty's Canadian Government Low power digital bus
US4644098A (en) * 1980-05-19 1987-02-17 Southwire Company Longitudinally wrapped cable
US4644094A (en) * 1985-03-21 1987-02-17 Harvey Hubbell Incorporated Cable having hauling, electrical and hydraulic lines
US4716260A (en) * 1986-08-13 1987-12-29 Hubbell Incorporated Pushing and pulling cable
US4743711A (en) * 1985-03-21 1988-05-10 Harvey Hubbell Incorporated Cable having hauling, electrical and hydraulic lines and elongated tensile elements
US5012125A (en) * 1987-06-03 1991-04-30 Norand Corporation Shielded electrical wire construction, and transformer utilizing the same for reduction of capacitive coupling
US5467507A (en) * 1993-09-17 1995-11-21 Emhart Inc. Polymer cable check strap
WO2001008167A1 (en) * 1999-07-22 2001-02-01 Belden Wire & Cable Company High performance data cable and a ul 910 plenum non-fluorinated jacket high performance data cable
US6255584B1 (en) * 1994-12-13 2001-07-03 Eurocopter Shielded bundle of electrical conductors and process for producing it
US6259031B1 (en) * 1998-08-06 2001-07-10 Krone Digital Communications Cable with twisting filler
US6412264B1 (en) 1999-02-23 2002-07-02 Wire Rope Industries Ltd. Low stretch elevator rope
ES2170719A1 (es) * 1999-12-27 2002-08-01 Honda Motor Co Ltd Mazo de cables para vehiculo y vehiculo dotado del mismo.
US6462268B1 (en) 1998-08-06 2002-10-08 Krone, Inc. Cable with twisting filler and shared sheath
US6686537B1 (en) * 1999-07-22 2004-02-03 Belden Wire & Cable Company High performance data cable and a UL 910 plenum non-fluorinated jacket high performance data cable
US6815611B1 (en) * 1999-06-18 2004-11-09 Belden Wire & Cable Company High performance data cable
US6848619B1 (en) * 1999-07-22 2005-02-01 Schlumberger Systemes Micro-controller protected against current attacks
US20070074891A1 (en) * 2005-09-19 2007-04-05 Burke Paul C Flexible and lightweight seat-to-seat cabin cable system and method of manufacturing same
US20070235208A1 (en) * 2006-01-12 2007-10-11 Frederic Jean UTP cable
US20080073106A1 (en) * 2006-09-25 2008-03-27 Commscope Solutions Properties Llc Twisted pairs cable having shielding layer and dual jacket
US20120018212A1 (en) * 2010-07-22 2012-01-26 Xiaoping Wu Power cord integrated hanger system for suspending a lighting fixture
US20160035465A1 (en) * 2014-07-30 2016-02-04 Aetna Insulated Wire LLC Cable having synthetic tensile members
US9530541B2 (en) 2015-02-13 2016-12-27 Raytheon Company Cable with spring steel or other reinforcement member(s) for stable routing between support points

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57155733U (enrdf_load_stackoverflow) * 1981-03-27 1982-09-30
JPS59176425U (ja) * 1983-05-12 1984-11-26 象印マホービン株式会社 ホツトプレ−トなどにおける断熱固定用間隔保持具

Cited By (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4250351A (en) * 1979-08-08 1981-02-10 The Bendix Corporation Cable construction
DE3028113A1 (de) * 1979-08-08 1981-02-26 Bendix Corp Elektrisches kabel
US4644098A (en) * 1980-05-19 1987-02-17 Southwire Company Longitudinally wrapped cable
US4627076A (en) * 1982-02-24 1986-12-02 Her Majesty The Queen In Right Of Canada, As Represented By The Minister Of National Defence Of Her Majesty's Canadian Government Low power digital bus
US4644094A (en) * 1985-03-21 1987-02-17 Harvey Hubbell Incorporated Cable having hauling, electrical and hydraulic lines
US4743711A (en) * 1985-03-21 1988-05-10 Harvey Hubbell Incorporated Cable having hauling, electrical and hydraulic lines and elongated tensile elements
US4716260A (en) * 1986-08-13 1987-12-29 Hubbell Incorporated Pushing and pulling cable
US5012125A (en) * 1987-06-03 1991-04-30 Norand Corporation Shielded electrical wire construction, and transformer utilizing the same for reduction of capacitive coupling
US5467507A (en) * 1993-09-17 1995-11-21 Emhart Inc. Polymer cable check strap
US6255584B1 (en) * 1994-12-13 2001-07-03 Eurocopter Shielded bundle of electrical conductors and process for producing it
US6655016B2 (en) 1994-12-13 2003-12-02 Societe Anonyme Dite: Eurocopter France Process of manufacturing a shielded and wear-resistant multi-branch harness
US6259031B1 (en) * 1998-08-06 2001-07-10 Krone Digital Communications Cable with twisting filler
US6462268B1 (en) 1998-08-06 2002-10-08 Krone, Inc. Cable with twisting filler and shared sheath
US6412264B1 (en) 1999-02-23 2002-07-02 Wire Rope Industries Ltd. Low stretch elevator rope
US6815611B1 (en) * 1999-06-18 2004-11-09 Belden Wire & Cable Company High performance data cable
US6848619B1 (en) * 1999-07-22 2005-02-01 Schlumberger Systemes Micro-controller protected against current attacks
GB2366662A (en) * 1999-07-22 2002-03-13 Belden Wire & Cable Co High performance data cable and a ul 910 plenum non-fluorinated jacket high performance data cable
WO2001008167A1 (en) * 1999-07-22 2001-02-01 Belden Wire & Cable Company High performance data cable and a ul 910 plenum non-fluorinated jacket high performance data cable
GB2366662B (en) * 1999-07-22 2003-04-23 Belden Wire & Cable Co High performance data cable and a ul 910 plenum non-fluorinated jacket high performance data cable
US6686537B1 (en) * 1999-07-22 2004-02-03 Belden Wire & Cable Company High performance data cable and a UL 910 plenum non-fluorinated jacket high performance data cable
ES2170719A1 (es) * 1999-12-27 2002-08-01 Honda Motor Co Ltd Mazo de cables para vehiculo y vehiculo dotado del mismo.
US20070074891A1 (en) * 2005-09-19 2007-04-05 Burke Paul C Flexible and lightweight seat-to-seat cabin cable system and method of manufacturing same
US7692099B2 (en) * 2005-09-19 2010-04-06 Telefonix, Inc. Flexible and lightweight seat-to-seat cabin cable system and method of manufacturing same
US20070235208A1 (en) * 2006-01-12 2007-10-11 Frederic Jean UTP cable
US20080073106A1 (en) * 2006-09-25 2008-03-27 Commscope Solutions Properties Llc Twisted pairs cable having shielding layer and dual jacket
US7550674B2 (en) * 2007-02-22 2009-06-23 Nexans UTP cable
US20120018212A1 (en) * 2010-07-22 2012-01-26 Xiaoping Wu Power cord integrated hanger system for suspending a lighting fixture
US9502876B2 (en) * 2010-07-22 2016-11-22 Abl Ip Holding, Llc Power cord integrated hanger system for suspending a lighting fixture
US20160035465A1 (en) * 2014-07-30 2016-02-04 Aetna Insulated Wire LLC Cable having synthetic tensile members
US9530541B2 (en) 2015-02-13 2016-12-27 Raytheon Company Cable with spring steel or other reinforcement member(s) for stable routing between support points

Also Published As

Publication number Publication date
JPS6035140Y2 (ja) 1985-10-19
JPS561318U (enrdf_load_stackoverflow) 1981-01-08
JPS50382A (enrdf_load_stackoverflow) 1975-01-06

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