EP0447946A1 - Elektronikkabel - Google Patents

Elektronikkabel Download PDF

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Publication number
EP0447946A1
EP0447946A1 EP91103880A EP91103880A EP0447946A1 EP 0447946 A1 EP0447946 A1 EP 0447946A1 EP 91103880 A EP91103880 A EP 91103880A EP 91103880 A EP91103880 A EP 91103880A EP 0447946 A1 EP0447946 A1 EP 0447946A1
Authority
EP
European Patent Office
Prior art keywords
cores
wires
cable
sliding
plastic
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.)
Withdrawn
Application number
EP91103880A
Other languages
German (de)
English (en)
French (fr)
Inventor
Lothar Klick
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.)
Ernst and Engbring GmbH
Original Assignee
Ernst and Engbring GmbH
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 Ernst and Engbring GmbH filed Critical Ernst and Engbring GmbH
Publication of EP0447946A1 publication Critical patent/EP0447946A1/de
Withdrawn legal-status Critical Current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
    • H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
    • 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

  • the invention relates to an electronic cable according to the preamble of claim 1.
  • Electronic cables for high alternating bending stresses are known in the form of ribbon cables and in the form of round cables (which can also have an oval cross-section rather than a round one).
  • the individual cores consisting of stranded wire and the surrounding insulating sheath
  • the cores in the cable core lie against one another with their insulating sleeves, so the insulating sleeves rub against each other during alternating bends.
  • the invention is based on the object of specifying how an electronic cable of the type explained at the outset for high alternating bending stresses can be produced in a cost-effective manner without any loss of quality.
  • a single-layer slide film between adjacent wires of an electronic cable of the type in question could be realized by only changing every other wire with a plastic slide film.
  • this is still quite complex in terms of manufacturing technology. Consequently, the teaching of the invention goes one step further and specifies how a single-layer sliding film between adjacent wires of an electronic cable of the type in question can be optimally realized in terms of production technology, namely by simply allowing a sliding film to run in a serpentine line between the wires.
  • the slide film or a slide film which comprises a plurality of wires in a meandering shape, can in the same way also comprise the center wire of an electronic cable of the type in question.
  • the center wire can also be equipped with a correspondingly low-friction surface, especially if it is only a filling wire.
  • the center wire can also have its own sliding film, that is, it can be strapped separately.
  • PTFE polytetrafluoroethylene
  • the figure of the drawing shows a cross section through an electronic cable for high alternating bending stresses, in the form of a round cable, with a plurality of wires 1 each having an individual insulating sleeve and, in the exemplary embodiment shown, a center wire 2 designed as a filling wire.
  • the center wire 2 could in turn be used be a group of single wires or represent a middle conductor. But all of this has long been known in practice.
  • the individual core 1 and possibly also the central core 2 are strapped, i.e. That is, 1 plastic sliding films 3 are arranged with a low coefficient of friction between the wires. The wear-promoting abrasion of the insulating sleeves of the individual wires 1 is thus prevented directly against one another.
  • the single figure does not show the outer cable sheath of the electronic cable, which is regularly made of insulating material, in particular plastic or rubber, and is of course also provided here.
  • Each of the two sliding films 3 is assigned to four wires 1 at the same time, extends in the longitudinal direction of the assigned wires 1 and comprises the wires 1 in a meandering shape transversely to the longitudinal direction. This shows the only figure of the drawing very nicely, you can clearly see that adjacent wires 1 alternate on one side and on the other side by the sliding film 3. As a result, there is nowhere a direct contact between the insulating sleeves of adjacent wires 1, at all potential chafing points there is a single-layer slide film 3 between the insulating sleeves of the wires 1.
  • the embodiment shown in the single figure shows that the sliding films 3 of the two groups come to rest against each other at the ends, that is to say a double-layer sliding film 3 exists in these special areas. This is not necessary with regard to easy sliding, but it has advantages in terms of fixing technology.
  • the cores 1 partly lie directly on the surface of the central core 2. This is not a problem in the illustrated embodiment because the surface of the center wire 2 has a particularly low coefficient of friction. This is possible because the material of the middle wire 2 can be selected here from a friction point of view, since the middle wire 2 is only a filling wire. In other cases, in which the surface of the central core 2 has a higher coefficient of friction, that is to say a rubbing occurs between the surface of the central core 2 and the surface of the insulating sheath of the respective adjacent core 1 under the boundary conditions of the high alternating bending stresses appropriate slide film is also recommended here. This can be an extension of the slide film 3 assigned to the wires 1 or a separate slide film for changing the central wire 2.
  • the illustrated embodiment is to be understood schematically, it corresponds approximately to an electronic cable with stranded wires 1 in a cable sheath with an outer diameter of 7 mm, the thickness of the slide films 3 is not to scale. It is preferably approx. 25 ⁇ m if the slide film is made of polytetrafluoroethylene (PTFE).
  • PTFE polytetrafluoroethylene

Landscapes

  • Insulated Conductors (AREA)
EP91103880A 1990-03-20 1991-03-14 Elektronikkabel Withdrawn EP0447946A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4008853 1990-03-20
DE19904008853 DE4008853C1 (enrdf_load_stackoverflow) 1990-03-20 1990-03-20

Publications (1)

Publication Number Publication Date
EP0447946A1 true EP0447946A1 (de) 1991-09-25

Family

ID=6402598

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91103880A Withdrawn EP0447946A1 (de) 1990-03-20 1991-03-14 Elektronikkabel

Country Status (2)

Country Link
EP (1) EP0447946A1 (enrdf_load_stackoverflow)
DE (1) DE4008853C1 (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996032064A1 (en) * 1995-04-10 1996-10-17 Afp Imaging Corporation Arrangement for intraoral x-ray ccd imaging element
CN114141425A (zh) * 2021-12-14 2022-03-04 江苏安胜电缆有限公司 一种防外界电磁波干扰的音频传输电缆

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3333044A (en) * 1965-04-23 1967-07-25 William A Toto Passageway structure for liquid coolant at gun and transformer ends of welding cable having novel internal surface bearing for alternate polarity strands
EP0257855A2 (en) * 1986-08-04 1988-03-02 E.I. Du Pont De Nemours And Company Cable having a corrugated septum
EP0276974A2 (en) * 1987-01-29 1988-08-03 The Whitaker Corporation Highly flexible, shielded, multi-conductor electrical cable

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE81835C (enrdf_load_stackoverflow) *
DE2528307B2 (de) * 1975-06-23 1978-04-06 Siemens Ag, 1000 Berlin Und 8000 Muenchen Mehradrige, flexible elektrische Leitung
JPS6291311U (enrdf_load_stackoverflow) * 1985-11-27 1987-06-11
DE3636621C2 (de) * 1986-10-28 1995-03-02 Eilentropp Kg Hochflexibles elektrisches Kabel oder entsprechende Leitung

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3333044A (en) * 1965-04-23 1967-07-25 William A Toto Passageway structure for liquid coolant at gun and transformer ends of welding cable having novel internal surface bearing for alternate polarity strands
EP0257855A2 (en) * 1986-08-04 1988-03-02 E.I. Du Pont De Nemours And Company Cable having a corrugated septum
EP0276974A2 (en) * 1987-01-29 1988-08-03 The Whitaker Corporation Highly flexible, shielded, multi-conductor electrical cable

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996032064A1 (en) * 1995-04-10 1996-10-17 Afp Imaging Corporation Arrangement for intraoral x-ray ccd imaging element
CN114141425A (zh) * 2021-12-14 2022-03-04 江苏安胜电缆有限公司 一种防外界电磁波干扰的音频传输电缆

Also Published As

Publication number Publication date
DE4008853C1 (enrdf_load_stackoverflow) 1991-05-29

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