EP2289072B1 - Verfahren zur herstellung einer litze sowie litze aus mehreren drähten - Google Patents

Verfahren zur herstellung einer litze sowie litze aus mehreren drähten Download PDF

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Publication number
EP2289072B1
EP2289072B1 EP09757311.7A EP09757311A EP2289072B1 EP 2289072 B1 EP2289072 B1 EP 2289072B1 EP 09757311 A EP09757311 A EP 09757311A EP 2289072 B1 EP2289072 B1 EP 2289072B1
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EP
European Patent Office
Prior art keywords
wires
drawn
wire
strand
hard
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.)
Revoked
Application number
EP09757311.7A
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German (de)
English (en)
French (fr)
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EP2289072A1 (de
Inventor
Klaus Eichelmann
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Dlb Draht und Litzen GmbH
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Dlb Draht und Litzen GmbH
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    • 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
    • H01B7/0009—Details relating to the conductive cores
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B1/00—Constructional features of ropes or cables
    • D07B1/14—Ropes or cables with incorporated auxiliary elements, e.g. for marking, extending throughout the length of the rope or cable
    • D07B1/147—Ropes or cables with incorporated auxiliary elements, e.g. for marking, extending throughout the length of the rope or cable comprising electric conductors or elements for information transfer
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
    • H01B13/02—Stranding-up
    • H01B13/0285—Pretreatment
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49117—Conductor or circuit manufacturing
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49117—Conductor or circuit manufacturing
    • Y10T29/49194—Assembling elongated conductors, e.g., splicing, etc.
    • Y10T29/49201—Assembling elongated conductors, e.g., splicing, etc. with overlapping orienting

Definitions

  • the invention relates to a method for producing a strand of a plurality of wires and a strand of a plurality of wires, which is provided in particular as an electrical line for motor vehicles.
  • electrical wiring for motor vehicles which are designed multi-core and made of copper, is well known.
  • electrical cables come out of the ISO 6722.
  • These strands can for example consist of 7, 12, 16, 19, 24 or 32 wires.
  • Such strands can be designed as Würgelitzen or Legolitzen.
  • a structural seat comprises a central wire around which one or more wire layers of wires are concentrically arranged. This results, for example, a Arrangement of 1 + 6 or 1 + 6 + 12 or 1 + 6 + 12 + 18 wires.
  • Structural seats whose wire layers of the wires have the same direction of impact are referred to as so-called Unilay abutment seats.
  • Such structurilitzen with different direction of impact are referred to as True Concentric-Aufbaulitzen.
  • the invention has for its object to provide a strand, which enables a material saving and preferably a reduction of the cross section and achieves a high temperature resistance.
  • the inventive method for producing a strand of a plurality of wires wherein one or more by at least one single and / or multiple wire drawing and / or drawing device in one or more drawing steps hard drawn wires and / or one or more further in a final drawing step prior to the stranding hard-drawn wires and / or one or more further wires treated with an annealing process are stranded into a strand in which the hard drawn wire (s) have a tensile strength of at least 300 N / mm 2 , according to a first alternative, the wires of a precursor material without an annealing process in one or more drawing steps to a final dimension in the at least one single or multiple wire drawing machine or drawing device with a degree of deformation of> 96% are pulled hard. As a result, such a strand has particularly good flexural strength and tensile strengths. Furthermore, an increased temperature resistance based on a tensile strength of at least 300 N / mm 2 is achieved.
  • An alternative embodiment of the invention provides that the wires in a single or multiple wire drawing machine or drawing in one or more drawing steps are preferred to an intermediate diameter, that the or with an intermediate diameter drawn wires are fed to an annealing device, that or the preferred and annealed wires are fed to another single or multiple wire drawing machine or a drawing device and are drawn down to a final diameter in one or more drawing steps so that the one or more drawn and annealed wires in the further single or multiple wire drawing machine or drawing device are reduced to a final gauge with a degree of deformation of less than 96% are pulled hard.
  • wires for a strand can be produced which have a tensile strength of at least 300 N / mm 2 with an increased temperature resistance.
  • the number of wires provided for the strand is produced in one or more drawing steps in at least one single- or multiple-wire drawing or drawing device and wound onto a winder or a coil or coils without an annealing process.
  • This enables a reduction in the manufacturing cost due to the complete saving of the annealing apparatus of the nitrogen used during the annealing process and the high power consumption for the annealing process.
  • a shortening of the process time for producing such hard-drawn and unannealed wires can be achieved.
  • it can be ensured that the same quality of the wires is provided for the Verlitzvorgang and processed into a strand.
  • it can come to a homogeneous processing due to the same material properties of the wires. It can also be ensured that the wires do not work out against the other stranded wires during loads that occur on the strand.
  • a further embodiment of the method preferably provides that pre-drawn and annealed wires are wound on the reel (s), and then the reel or reel is preformed and annealed wires are fed to another single or multiple wire drawing machine or a pulling device and hard drawn in one or more drawing steps to a final size and be stranded in the Verlitzmaschine to a strand.
  • This embodiment has the advantage that the drawing process takes place from a precursor material having an initial diameter to an end diameter of the wire to be stranded, at least in two drawing steps, wherein at least one annealing process is carried out between two drawing steps.
  • tensile strengths of at least 300 N / mm 2 preferably more than 400 N / mm 2 , can be achieved for the wires.
  • the wires are drawn down to a final diameter of 0.10 mm to 1 mm by one or more drawing steps with one or more draw steps of each drawing step.
  • Such diameters are particularly provided for wires used for a wire in automotive engineering or the like.
  • the wires are drawn down with a diameter of 0.10 mm to 0.37 mm and have a tensile strength of 300 N / mm 2 to 800 N / mm 2, preferably greater than 400 N / mm 2 .
  • Such hard drawn wires have a higher tensile strength than soft annealed wires.
  • soft annealed wires of the same diameter made of the same material as the unannealed wires include a tensile strength of 200 N / mm 2 to 300 N / mm 2 .
  • the hard-drawn wires with a diameter of 0.10 mm to 0.37 mm have an extensibility of 0.1% to 10%, preferably less than 2%, particularly preferably from 0.4% to 1%. , exhibit.
  • This extensibility is lower compared to soft annealed wires.
  • the soft annealed wires have an elongation capacity of more than 10% for the same diameter of the same material.
  • toughened copper types ie oxygen-containing copper types, such as, for example, Cu-ETP1, Cu-ETP or Cu-FRHC or oxygen-free copper types, such as, for example, Cu-OF1, Cu
  • OF or Cu-PHCE or a copper-magnesium alloy can be used.
  • the omission of the annealing process or an intermediate annealing for producing wires and subsequent entanglement of these wires of the strand according to the invention lead to a reduced cross section and a weight saving.
  • a copper alloy is provided for the production of all wires, which are required for the strand construction of a strand.
  • the use of a copper-magnesium alloy, in particular according to DIN 17666 has the advantage that an increased strength is given.
  • the cross-sectional reductions can be achieved in the construction of a stranded wire. Preference is given to using CuMg 0.1 to CuMg 0.4 alloys. These have a tensile strength of greater than 300 N / mm 2 .
  • a further preferred embodiment of the method provides that the wires are provided as individual wires or multiple wires for producing a stranded wire.
  • a stranded wire in particular as an electric wire for motor vehicles, which has a strand construction of one or more hard-drawn wires or one or more wires drawn in a last drawing step before being stranded or a mixture of one or more a plurality of such hard-drawn wires or one or more soft-annealed wires, and that such hard-drawn wires have a tensile strength of at least 300 N / mm 2 .
  • the wires are drawn without annealing in one or more drawing steps with a forming wire from a Vorziehdraht to hard pulled Enddraht greater than 96% or that an intermediate diameter and pre-drawn wires annealed to a final diameter with a degree of deformation of less than 96% are pulled hard.
  • a specific adaptation to the respective required mechanical properties can take place, wherein in particular an increased temperature stability can be achieved by the wires drawn in a last drawing step or wires drawn without annealing.
  • FIGS. 1a and b is a schematic sectional view and a side view of a first embodiment of a strand 11 is shown.
  • This strand 11 comprises a plurality of wires 12.
  • This embodiment is a construction seat with a strand construction comprising a wire 12 with a central or central position.
  • This wire 12 in a central position is surrounded by a first wire layer 14 of a plurality of wires 12, which comprises, for example, six wires 12.
  • This first wire layer 14 is surrounded by a second wire layer 16 with, for example, twelve wires 12.
  • the direction of impact between the first wire layer 14 and the second wire layer 16 is opposite. This is for example FIG. 1b out. If the requirements are given that a larger line cross-section is required for such a construction seat, for example, a third wire layer is wound again in the opposite direction of impact on the second wire layer 16, in which case then eighteen wires 12 are used.
  • the strand 11 comprises, in addition to the strand 11 shown as a construction seat with nineteen wires 12 according to the FIGS. 1a and b also strands 11, which comprises a wire 12 in a central position and a first wire layer 14 of six wires 12, so that a total of seven wires 12 are stranded.
  • strands 11 which comprises a wire 12 in a central position and a first wire layer 14 of six wires 12, so that a total of seven wires 12 are stranded.
  • Such an embodiment is used for example in vehicles as insulation reduced vehicle line, which has the short name FLRY.
  • This seven-wire embodiment may include line cross-sections of 0.22 mm 2 and 0.35 mm 2 .
  • insulation-reduced vehicle lines under the designation FLRY are offered from nineteen wires, which have a structure, for example, according to FIGS FIGS. 1a and b include.
  • strand cross-section As FLRY 0.5, FLRY 0.75 and FLRY 1.0.
  • an alternative further embodiment of the strand 11 is used which comprises 12, 16, 24 and 32 wires and is designated FLRY 0.35, FLRY 0.5, FLRY 0.75 and FLRY 1.0.
  • vehicle lines with further requirements are used, which are designated FLY 0.5, FLY 0.75 and FLY 1.0 with a number of 16, 24 and 32 wires. The same applies to heat-resistant vehicle cables, which are called FLYW or FLRYW.
  • the embodiment of the strand 11 according to the invention and its alternative embodiments can be used instead of the vehicle lines cited above.
  • the strand 11 of the invention may also be formed as a so-called Würgelitze.
  • the wires 12 are strangled in such a Würgelitze to the strand, d. H. the wires 12 all have the same direction of impact and lay length, but no defined position of the wires 12 in the strand 11. It is also possible to strangle several bundles of wires 12 into a strand 11 to produce a strangulation.
  • FIGS. 2a and b is an alternative embodiment of a strand 11 as everydaylitze to the FIGS. 1a and b shown. This embodiment is therefore referred to as so-called "Unilay-concentric embodiment”.
  • FIGS. 3a and b another alternative embodiment is shown, which is referred to as a so-called “auto Unilay concentric embodiment”. These embodiments differ in the position of the wires 12 within the wire layer 14, 16 to the adjacent wire layer 16, 14.
  • the strands 11 according to the invention are produced from copper alloys which correspond to DIN EN 13602, Table No. 1.
  • these copper alloys include toughened types of copper, ie oxygen-containing types of copper, as well as oxygen-free types of copper.
  • a copper-magnesium alloy according to DIN 17666 can be provided.
  • the above-described embodiments of the strand 11, which are used as structurilitze in the FIGS. 1 to 3 is shown or may be constructed as Würgelitze, according to a first embodiment of the invention, a Litzen initial on which only hard drawn wires 12 comprises.
  • the above-described strands 11 comprise at least one hard-drawn wire 12 and at least one soft-annealed wire 12, so that a combination of at least one soft-annealed and at least one hard-drawn wire 12 is provided.
  • a strand 11 in a strand construction consisting of at least one hard-drawn and at least one soft-annealed wire 12, a variety of Combination options, especially in a body-mounted, be provided.
  • a strand 11 according to the FIGS. 1a and 1b comprise a wire 12 centrally annealed wire 12 and six wires 12 in the first wire layer 14 of unannealed or drawn wires 12.
  • the second wire layer 16, which surrounds the first wire layer 14, is formed with soft-annealed wires 12.
  • the wire 12 in a central position as a hard drawn wire 12 and in the first wire layer 14 of hard-drawn wires 12 and in the second wire layer 16 of annealed wires 12.
  • This exemplary embodiment also applies in an interchangeable arrangement of the soft-annealed and hard-drawn wires 12. It is preferably provided in a combination of soft-annealed and hard-drawn wires 12 for a strand 11 that the individual wire layers 14, 16 are of homogeneous construction, that is, for a wire layer 14 , 16 either soft annealed or hard drawn wires 12 are used. But it can also be a mixture of the wires 12 are provided within a wire layer.
  • each bundle consists of one or more wires 12.
  • Each bundle may include soft annealed and / or hard drawn wires 12.
  • Under "hard-drawn wires" 12 are the following by the in the FIGS. 4 to 7 method described wires 12 understood.
  • FIG. 4 is a schematic representation of individual process sections for producing a first embodiment of the strand 11 is shown.
  • individual raw wires or so-called pull wires are provided on spools 18 or baskets or spools 18 with wound multiple wires as draw wires, which are fed to a multiple wire drawing machine 19, for example.
  • each wire 12 may be fed to a single-wire drawing machine or a drawing device.
  • the draw wires are made to a final diameter in a drawing step with a plurality of draw steps pulled and wound on the or the coil 20 dynamically or statically.
  • this multi-wire drawing machine 19 for example, a drawing step in which a Vorziehdraht is drawn with a diameter of, for example, 1.8 mm to a final diameter of 0.20 mm.
  • An annealing process is not provided in this method. Rather, the hard-drawn without annealing wires 12, which are wound on the one or more coils 20, provided for a Verlitzvorgang.
  • the coils 20 are fed to a Verlitzmaschine 21.
  • a corresponding number of wires 12 are subtracted from the coils 20 and verlitzt in the Verlitzmaschine 21.
  • the produced strand 11 is wound on a spool 23.
  • this product is further processed into a line and then for further processing steps, such as cutting or attaching a Krimpe or the like provided.
  • this method it is provided that the degree of deformation of Vorziehdrahtes hard pulled end wire 12 for processing into a strand 11 is greater than 96%. This means that the diameter reduction of the puller wire to the hard drawn wire 12 is greater than 96%.
  • the wires 12 produced by this method as well as the wire 11 made with such wires 12 do not undergo annealing to recrystallize the embrittlement of the wires 12.
  • a subset of the wires 12 on a first coil 20 and at least one further subset of the wires 12 to a second coil 20, etc. are wound until the number of wires 12, which are required for the strand construction, are wound on the coils 20.
  • the wires 12 of all coils 20 are unwound simultaneously and fed to the Verlitzmaschine 21, so that all subsets of wires 12 are verlitzt to a Würgelitze.
  • a strand 11 By using such wires 12, for example, it is possible for a strand 11 to be opposite in cross-section by at least one step the cross sections of a strand can be reduced with conventional soft annealed wires.
  • the nominal cross section can thus in each case be one or more stages, for example be reduced, so that with similar or the same mechanical properties and sufficient electrical properties now cross sections of 0.08 mm 2 , 0.13 mm 2 , 0.14 mm 2 , 0.17 mm 2 , 0.18 mm 2 , 0, 22 mm 2 , 0.35 mm 2 , 0.5 mm 2 and 0.75 mm 2 can be used.
  • the stranded wire 11 it is provided that at least one hard-drawn wire 12 and at least one soft-annealed wire is used for the strand construction.
  • one stranding machine 21 is provided with one or more coils 20 of hard drawn wires 12 and one or more coils of annealed wires.
  • the advantage can already be achieved that a cross-sectional reduction and thus also a material saving is made possible.
  • This combination of annealed and drawn wires 12 for a strand 11 is used in particular in a strand construction with a higher number of wires 12.
  • FIG. 5 a further alternative embodiment of the method for producing a strand 11 is shown.
  • a multi-wire drawing machine 25 are supplied on a coil 18 or baskets.
  • the draw wire is pulled forward to an intermediate diameter.
  • This drawn wire 12 is then fed to an annealing device 26 so that the texture of the drawn wire 12 can recrystallize. Subsequently, these pre-drawn and annealed wires 12 are wound on one or more coils 27.
  • This coil 27 or coils 27 are provided for a further processing process of a Verlitzmaschine 21, wherein prior to stranding, the drawn and annealed wires 12 of another multiple wire drawing machine 28 or pulling device fed, which pulls in one or more drawing steps with one or more drawing stages, the pre-drawn and annealed wire 12 to a final diameter, said wire 12 is pulled down in the other multi-wire drawing machine 28 or pulling device.
  • This hard-drawn wire 12 is supplied to the Verlitzmaschine 21, so that a strand 11 can be prepared and wound on the spool 23.
  • the by the method according to FIG. 5 produced wires 12 so far from the wires 12 according to the manufacturing process in FIG. 4 from that at least two drawing steps are provided and between the at least two drawing steps an annealing of the drawn on an intermediate diameter wire 12 takes place.
  • the pre-drawn and annealed wire 12 is drawn down from an intermediate diameter to a final diameter. It is preferably provided that the degree of deformation in the last drawing step is less than 96%.
  • the or previous drawing steps before the annealing process are determined depending on the initial diameter and the required intermediate diameter.
  • This low degree of deformation of less than 96% is sufficient to convert the single wire or wires to a hard-drawn wire or wires having a tensile strength of at least 300 N / mm 2 , preferably of more than 400 N / mm 2 .
  • the manufacturing method shown has the advantage that the preparation of the drawn on an intermediate diameter and annealed wire can be made by already existing wire drawing machines for annealed wires, with only an adjustment of the drawing stages, so an adapted selection of the drawing stage, has to be made to the subsequently pulled hard Produce single wire diameter.
  • FIG. 6 is an alternative embodiment of the method too FIG. 5 shown.
  • This embodiment differs in that the further multiple wire drawing machine 28 or pulling device is directly downstream of the annealing device 26, so that the coil 29 or Coils 29 are wound wires 12, which are pulled down in one or more drawing steps after the annealing to a final gauge and wound on the coil 29 and coils 29.
  • the degree of deformation of this multiple wire drawing machine 28 or pulling device is less than 96%. Proceeding from this, the degree of deformation of the multi-wire drawing machine or multi-wire drawing machines 25 is to be interpreted in order to taper the prefeed wire to the desired final dimension of the wire 12 which is provided for stranding in the Verlitzmaschine 21.
  • FIG. 7 The manufacturing process shown has the same chronological sequence as that in the Figures 5 and 6 described method.
  • This in FIG. 7 shown method differs from the in FIG. 6 represented method by that in analogy to FIG. 5 after a first drawing step in the multi-wire drawing machine 25 or the drawing device and an annealing device 26, the wires 12 drawn on an intermediate diameter are wound on spools 27. These may then be provided to one or more multiple wire drawing machines 28 or drawing devices so that the drawing step occurs at a degree of deformation of less than 96% in a separate work station. Subsequently, the hard-drawn to the final diameter wires 12 are wound on coils 29, which, as in the FIGS. 4 and 6 described, a Verlitzmaschine 21 are provided for producing a strand 11.
  • Such an interruption of the online procedure, as in FIG. 7 between the annealing device 26 and the multi-wire drawing machine 28, alternatively, between the multi-wire drawing machine 25 and the annealing device 26 may be made. Depending on the modularity such interruptions may be provided.
  • the in the FIGS. 4 to 6 described manufacturing method of wires 12 for a strand 11 relate to a strand structure of exclusively hard-drawn wires 12 or from pre-drawn and annealed and then hard-drawn wires 12th
  • any combination of the hard drawn wires 12 with the pre-drawn and annealed and then hard-drawn wires 12 is possible for making a strand. Accordingly, the coils 20 or 29 corresponding to the respective required number of wires for a strand 11 of the Verlitzmaschine 21 assigned. Furthermore, it may be provided that a hard-drawn wire 12 and a soft-annealed wire known from the prior art are stranded. Likewise, at least one pre-drawn and annealed and then hard-drawn wire 12 may be stranded with a soft-annealed wire known in the art. Likewise, a combination of the two aforementioned alternatives may be given.
  • these soft annealed wires can be fed directly to the multiple wire drawing machine 28 or pulling device of the Verlitzmaschine 21 directly, so that such any combination of the wires 12 for producing a strand 11th is possible.
  • wires described in the above description and in the claims can be provided both as individual wires on coils or baskets as well as multiple wires on coils or baskets.
EP09757311.7A 2008-06-06 2009-06-05 Verfahren zur herstellung einer litze sowie litze aus mehreren drähten Revoked EP2289072B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102008027295A DE102008027295B4 (de) 2008-06-06 2008-06-06 Verfahren zur Herstellung einer Litze sowie Litze aus mehreren Einzeldrähten
PCT/EP2009/004049 WO2009146928A1 (de) 2008-06-06 2009-06-05 Verfahren zur herstellung einer litze sowie litze aus mehreren drähten

Publications (2)

Publication Number Publication Date
EP2289072A1 EP2289072A1 (de) 2011-03-02
EP2289072B1 true EP2289072B1 (de) 2016-08-10

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US (1) US9027235B2 (et)
EP (1) EP2289072B1 (et)
CN (1) CN102057444B (et)
DE (1) DE102008027295B4 (et)
EG (1) EG26051A (et)
ES (1) ES2602607T3 (et)
HU (1) HUE030436T2 (et)
MA (1) MA32373B1 (et)
MX (1) MX2010013381A (et)
PL (1) PL2289072T3 (et)
PT (1) PT2289072T (et)
RU (1) RU2467422C2 (et)
WO (1) WO2009146928A1 (et)

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FR2963667B1 (fr) * 2010-08-03 2014-04-25 Commissariat Energie Atomique Dispositif de cryorefrigeration et procede de mise en oeuvre
EP2669900B1 (en) * 2011-01-24 2015-07-29 La Farga Lacambra, S.A. Electrical conductor for transporting electrical energy and corresponding production method
CN103325491A (zh) * 2013-06-17 2013-09-25 桂林国际电线电缆集团有限责任公司 多头拉丝导体绞线方法
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AT520013B1 (de) * 2017-05-24 2019-11-15 Egston System Electronics Eggenburg Gmbh Spulenwicklung
CN110745815B (zh) * 2018-07-24 2022-08-16 南开大学 制备石墨烯-金属复合线材的方法
US11713501B2 (en) 2019-11-15 2023-08-01 Roteq Machinery Inc. Machine line and method of annealing multiple individual aluminum and copper wires in tandem with a stranding machine for continuous operation
CN111710479A (zh) * 2020-08-05 2020-09-25 潘学勇 一种线缆线芯绞合表面预处理方法
CN115845128B (zh) * 2022-12-12 2024-03-08 江阴法尔胜泓昇不锈钢制品有限公司 一种骨科内固定系统用钛合金绳及其制备工艺

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MX2010013381A (es) 2011-04-05
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DE102008027295A1 (de) 2010-02-11
EP2289072A1 (de) 2011-03-02
RU2467422C2 (ru) 2012-11-20
EG26051A (en) 2013-01-15
WO2009146928A1 (de) 2009-12-10
ES2602607T3 (es) 2017-02-21
RU2010152449A (ru) 2012-07-20
DE102008027295B4 (de) 2010-05-06
US20110186332A1 (en) 2011-08-04
PL2289072T3 (pl) 2017-02-28
US9027235B2 (en) 2015-05-12
CN102057444B (zh) 2013-05-01
MA32373B1 (fr) 2011-06-01
PT2289072T (pt) 2016-11-02

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