EP2823493A1 - Method for producing a stranded inner conductor for coaxial cable, and coaxial cable - Google Patents
Method for producing a stranded inner conductor for coaxial cable, and coaxial cableInfo
- Publication number
- EP2823493A1 EP2823493A1 EP13707149.4A EP13707149A EP2823493A1 EP 2823493 A1 EP2823493 A1 EP 2823493A1 EP 13707149 A EP13707149 A EP 13707149A EP 2823493 A1 EP2823493 A1 EP 2823493A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- conductor
- stranded
- inner conductor
- strand
- coaxial cable
- 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.)
- Granted
Links
- 239000004020 conductor Substances 0.000 title claims abstract description 100
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 10
- 238000000034 method Methods 0.000 claims description 35
- 238000004898 kneading Methods 0.000 claims description 9
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 4
- 229910052709 silver Inorganic materials 0.000 claims description 4
- 239000004332 silver Substances 0.000 claims description 4
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 2
- 229910052737 gold Inorganic materials 0.000 claims description 2
- 239000010931 gold Substances 0.000 claims description 2
- 229910052718 tin Inorganic materials 0.000 claims description 2
- 239000011135 tin Substances 0.000 claims description 2
- 238000013016 damping Methods 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 7
- 230000007547 defect Effects 0.000 description 7
- 238000001000 micrograph Methods 0.000 description 6
- 230000001419 dependent effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 238000013459 approach Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 238000003754 machining Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 1
- 101150107341 RERE gene Proteins 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000011231 conductive filler Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 239000010970 precious metal Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 238000009751 slip forming Methods 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- 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
- H01B13/016—Apparatus or processes specially adapted for manufacturing conductors or cables for manufacturing co-axial cables
- H01B13/0162—Apparatus or processes specially adapted for manufacturing conductors or cables for manufacturing co-axial cables of the central conductor
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B7/00—Details of, or auxiliary devices incorporated in, rope- or cable-making machines; Auxiliary apparatus associated with such machines
- D07B7/02—Machine details; Auxiliary devices
- D07B7/027—Postforming of ropes or strands
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B11/00—Communication cables or conductors
- H01B11/18—Coaxial cables; Analogous cables having more than one inner conductor within a common outer conductor
- H01B11/1808—Construction of the conductors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B11/00—Communication cables or conductors
- H01B11/18—Coaxial cables; Analogous cables having more than one inner conductor within a common outer conductor
- H01B11/1895—Particular features or applications
-
- 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
- H01B13/0006—Apparatus or processes specially adapted for manufacturing conductors or cables for reducing the size of conductors or cables
-
- 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
- H01B7/30—Insulated conductors or cables characterised by their form with arrangements for reducing conductor losses when carrying alternating current, e.g. due to skin effect
- H01B7/303—Conductors comprising interwire insulation
-
- 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
- Y10T29/49123—Co-axial cable
-
- 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
- Y10T29/53—Means to assemble or disassemble
- Y10T29/5313—Means to assemble electrical device
- Y10T29/532—Conductor
Definitions
- the invention is in the field of inner conductor for a coaxial cable, respectively, the coaxial cable for Ü transmission of high frequency signals.
- Coaxial cables for transmitting high frequency signals are known in the art. These cables have an inner conductor, which is surrounded by a dielectric and an outer conductor.
- Rotary kneading machines have been known from the prior art since the beginning of the last century, by means of which ductile materials can be formed continuously or discontinuously.
- these swaging machines have a forming tool consisting of two or four jaws arranged opposite each other in pairs.
- the jaws of the forming tool are deflected, for example, by rollers rotating in the outside in the radial direction inwards. At the same time, they move in the circumferential direction.
- the U mformwerkmaschine has a central, usually continuous working opening, which has a tapered cross-section in the longitudinal direction.
- Workpieces to be machined can be introduced into the work opening of the mold and can be removed again by the same or, in the case of a continuous process, an opposite second opening.
- the workpiece In the interior of the work opening, the workpiece is continuously formed by the jaws moving in the radial and in the circumferential direction.
- the working opening has a variable cross-section due to the movement of the jaws.
- Rotary kneading z. B. used in the manufacture of wire ropes or forgings in the auto industry.
- Out of the tentliteratur are several applications for rotary kneading known. Some selected examples are briefly described below.
- US Pat. No. 7,746,333B2 to Yazaki Corporation, issued July 1, 2007, also describes a method for connecting an electrical cable to a cable end.
- an electrically conductive adhesive for example a paste of epoxy and nickel powder
- a tubular end of a cable end piece is introduced into a tubular end of a cable end piece.
- the previously stripped stranded conductor of the cable end is inserted into the bore.
- the tubular cable end piece is then radially compressed and brought into close contact with the stranded conductor.
- the nickel powder in the paste is intended as a conductive filler destroy possible oxide layers on the metal parts and increase the conductivity.
- Japanese publication JP7226118A2 of Yazaki Corporation describes the use of a rotary swaging method to prevent uncontrolled deformation of a wire rope in a subsequent rolling process.
- the use of a multilayer stranded wire rope is provided.
- the rolling process serves to reduce the diameter, or to extend the wire rope.
- Japanese publication JP7249329A2 of Yazaki Corporation describes the production of a compacted concentric multi-layered wire rope and an apparatus for its production. In the method described, the rope is first stranded from several wires. Before winding, the rope is radially compacted and reshaped with a rotary swaging tool.
- the Japanese patent JP3257388B2 Yazaki Corporation describes the geometry of meh erer different molds for the compression of multilayer, stranded wire strands by means of rotary swaging. Since relative rotations between the wire rope and the rotary swaging tool can lead to damage of the wire rope, at least at high densities, the kneading jaws in the closed state do not form a circular cross-section but a flattened cross-section at the back edges.
- German laid-open specification DE1 9835901 A1 to River Seiko KK and Asahi Optical Co. Ltd. describes an endoscopic wire loop of corrosion resistant wire that can be used, for example, using high frequency electrical current for the surgical removal of polyps.
- Such loops are typically made from stranded wires according to DE'901.
- a common feature of corresponding slings is a strong U-shaped curve at its distal end, which is intended to allow a better withdrawal of the sling into the sleeve-shaped endoscopic guide instrument.
- the very small radius of curvature in the U-shaped part leads in practice to a loosening and irregular deformation of the wires of the strand, which leads to a disorderly spreading of the wires.
- the method used in DE '901 is based on a swaging operation in which a stranded wire is passed through a die whose bore has a (8-1.5%) smaller diameter than the strand. This leads to a radial compression of the strand. This leads to a deformation of the wires of the strand and disappearance of the gaps between the wires.
- the wires on the surface thus have a trapezoidal cross-section and the entire stranded wire a very smooth surface.
- the resulting stranded wire should retain this smooth surface, even in the case of strong curvature, or it should not be spliced into its wires.
- the wire according to the invention is certified as having a "quality appearance of higher quality", according to which a wire loop instrument made therefrom has a high commercial value.
- An object of the invention is to provide a method for producing an improved Litzeninnen conductor, respectively, an improved coaxial cable for Ü transmission of high-frequency signals to show.
- the architecture of the inner conductor has two disadvantages compared to cables with inner conductors made of a single solid wire.
- the return loss (henceforth RL) has minima at certain frequencies and, on the other hand, an increased insertion loss (henceforth IL).
- commercially available coaxial cable core conductors have a frequency-dependent return loss (RL), which has a negative effect on the transmission characteristics and is caused by defects in the cable.
- the return loss refers to a logarithmic measure of the ratio of injected signal energy to reflected signal energy at a fixed signal frequency.
- the return loss is usually indicated by the unit d B (for decibels). Since the reflected signal energy is always smaller than the injected signal energy, the return loss is always a positive quantity. In principle, coaxial cables must be designed so that the return loss is maximized and thus the maximum signal energy is transmitted. Typical values of the return loss are in the range from 20 d B to 30 d B, which corresponds to a reflected signal energy of 1% or of 0. 1% of the injected signal energy. In coaxial cables with inner strand conductors, the return loss often Ma at signal frequencies, which are given by the structural design of the Litzeninnenleiters. These minima will henceforth be referred to as RL peaks.
- RL tips can be reduced by varying the length of the litz wire along the strand.
- the length of the litz wire or short lay length is the length which a wire of the strand covers during a revolution along the strand. Due to design and manufacturing, the variation of the length of the litz wire can only be carried out between an upper and a lower limit, ie between a minimum and a maximum lay length. In general, the variation of the strand strike length between these extremes is not sufficient to eliminate all RL tips.
- a method according to the invention for producing a coaxial cable generally has the following method steps:
- the surface of the wires is coated prior to stranding and / or prior to swaging. Good results can be achieved with coatings of silver, gold or tin.
- Advantages of a stranded and round-knit strand core conductor produced by the method according to the invention include the following: (a) The inner conductor of the invention has a homogeneous outer surface, which is comparable to the surface of a single wire.
- the inner strand conductor according to the invention has compacted and more homogeneous inner surfaces, which counteract a negative oxide formation.
- the inner strand conductor according to the invention has a lower attenuation in the signal transmission, since more effective conductor surface is available.
- the inventive strand inner conductor has reduced RL tips. At the same time, the RL level is improved.
- the inner conductor of the invention tends less to splice under mechanical stress (bending, twisting, shaking), d. H. the wires remain in position and the round-knurled Litzenin nenleiter retains the shape even with very small bending radii.
- the strand inner conductor according to the invention has, after the swaging, a length of its cross section which remains constant along its length. This reduces the periodicity in the conductor structure. This leads to a reduction of the RL tips.
- An embodiment of a method according to the invention for producing a stranded inner conductor for a coaxial cable, or a coaxial cable has the following method steps: provision of a strand inner conductor which consists of several stranded wires; Rotary kneading of the strand inner conductor by means of a rotary swaging device, so that the cross-sections of the wires align with each other; Enveloping the strand inner conductor with a dielectric; U envelop the dielectric with an outer conductor.
- the wires are kneaded until they touch each other without gap.
- a constant or a variable lay length can be used.
- the outer conductor is constructed in one or more layers.
- He can z. B. made of a braid (mesh outer conductor) and / or formed as a foil outer conductor and / or Rohraussenleiter and / or Bandaussenleiter.
- the dielectric can be constructed in one or more layers and be by means of a device for applying the dielectric connected downstream of the rotary swaging device. Furthermore, a device for applying an external conductor to the dielectric may be connected downstream. If necessary, the surface of the wires can be coated before swaging. For example, the surface of the wires can be silver plated. If necessary, the outer conductor can be round-kneaded in several stages by means of several rotary kneaders connected in series.
- a device for producing a strand inner conductor according to the invention, or coaxial cable generally has one or more rotary kneading devices arranged successively from the process flow. Furthermore, the apparatus has a feed device for feeding one or more stranded stranded inner conductors to the rotary swaging device. Furthermore, the device has a Weg211 Surprise, which serves to carry away the round kneaded Litzeninnenleiters.
- the feeder may be one or more (in particular with several strokes) meh rere consecutive stranding machine act. The feeder may also be act a supply roll, on which the Litzeninnenleiter or individual blows wound up.
- the routing device can be a machine for applying a dielectric to the round-knit strand inner conductor.
- Fig. 1 shows a coaxial cable with periodic interference, shown symbolically by constrictions of the outer conductor
- FIG. 3 shows in a second diagram the frequency-dependent return loss damping characteristic of a coaxial cable according to the invention
- Fig. 5 shows the arrangement shown in Figure 4 in a side view
- Fig. 6 (a) shows a micrograph of a stranded strand inner conductor and (b) the contours of the micrograph according to (a);
- Fig. 7 (a) shows a micrograph of a strand inner conductor according to the invention. and (b) the contours of the micrograph according to (a);
- FIG. 8 shows schematically the structure of a coaxial cable according to the invention.
- Figure 1 shows schematically and greatly simplified a known from the prior art conventional coaxial cable 1 00 with a stranded strand inner conductor. In the longitudinal direction (x-direction), this has periodically arranged defects 1 01 in the outer conductor (illustrated schematically as semicircles), which have a negative effect on the transmission and system behavior of the coaxial cable in a frequency-dependent manner.
- the defects 1 01 are arranged at a distance ⁇ / 2, or in a multiple thereof (factor n).
- the defects cause 01 01, that at each defect 1 01 a proportion of 1 02 of the input input signal input 03 is reflected. Due to the periodicity of the defects 1 01, the backscattered signal components at the input of the coaxial cable in the same phase position and thus overlap constructively. This leads to an increase of the reflected signal component at a frequency or in a narrow frequency band.
- FIG. 2 shows, in a first diagram, the frequency-dependent backflow damping behavior of a conventional coaxial cable with inner conductor according to FIG. 1.
- the abscissa shows the frequency (f)
- the ordinate shows the return loss in d B.
- the permissible limits for the return loss are shown in the form of a horizontal line 1 05.
- the course of the return loss can be seen in the form of a strong aus flowden first curve 1 06. It can be seen that at two narrowband points 1 07 and 1 08 the return loss has pronounced minimums and the permissible limit values 1 05 are exceeded. These minima are called RL peaks.
- FIG. 3 shows, in a second diagram, the return loss (ordinate) of a coaxial cable according to the invention with inner strand conductor according to FIG. 4 as a function of the frequency (abscissa) in the form of a second curve 1 09.
- the permissible limits for the return loss are again by means of a horizontally extending line 1 1 0 provides.
- the cable according to the invention does not have the cross-limit RL tips of the cable known from the prior art according to the diagram in FIG.
- FIG. 4 shows, in a perspective view obliquely from the front and from above, a stranded inner strand conductor in the unprocessed state 1 and the same inner strand conductor in the processed state 2.
- FIG. 5 shows the arrangement according to FIG. 1 in a side view.
- FIG. 6 shows a sectional view through the inner strand conductor 1 along the cutting line EE according to FIG. 4.
- FIG. 7 shows a sectional view through the inner strand conductor 2 along the section line FF according to FIG. 4.
- FIG. 8 shows in a sectional view schematically a structure of a coaxial cable 9 with an inventive Stranded conductor 2.
- the inner strand conductor 1 is shaped into the processed inner strand conductor 2 by means of a rotary swaging device 10.
- FIG. 6 a shows a photograph of a cross-section (micrograph) of a conventional stranded stranded inner conductor 1.
- FIG. 6b shows the same cross section in the drawing.
- FIG. 7 a shows a photograph of a cross section (micrograph) of a stranded inner conductor 2 kneaded in accordance with the invention.
- FIG. 7b shows the same cross section in the drawing.
- wires 3 are arranged comparatively loosely and with a great distance from each other before swaging (see FIGS. 6a and 6b) and do not necessarily abut one another.
- the Litzeninnenleiter 1 an irregular and furrowedassif surface 8.
- the wires 3 are arranged close together and without gaps. They have seen in cross section a polygonal structure with usually four to six straight or slightly curved side walls 25, which pass over kinks 26 into each other.
- the rotary swaging device 1 0 comprises in the embodiment shown a tool 1 1, which has four jaws 1 2 in the embodiment shown.
- the jaws 1 2 form in the center through a machining opening 1 3.
- the jaws 1 2 are driven in a deflected manner via external plungers 1 4 in the radial direction of a rotation axis 1 5 (compare arrow 22), while a working shaft 1 6, in which the jaws 1 2 and the outer plungers 1 4 are mounted in pockets 1 7, about the axis of rotation 1 5 rotates (see arrow 23).
- the outer tappets 1 4 have ramp-shaped elevations 1 8 mmenexcellent with mating in an outer ring 1 9 and mounted in a cage 20 rollers 2 1 zusa.
- the outer ring 1 9 supports the rollers in the radial direction.
- the ramps 1 8 are moved over the co-rotating rollers 2 1 and thereby deflected inwards. This movement is the jaws 1 2 of the tool 1 1 transferred.
- Other drives are possible.
- the stranded stranded conductor 1 is moved in the direction of arrow 24 through the machining opening 1 3 of the tool 1 1.
- the wires 3 are compressed and deformed in cross section as shown in the following figures.
- the cross section of the stranded strand inner conductor is thereby reduced from a first diameter D 1 to a second diameter D 2.
- the diameters D2 to D 1 are typically in a ratio of 0.5-0.9 to each other.
- the wires are 3 after the rotary kneading closely to each other and have a virtually seamless cross-section.
- the cross sections of the wires 3 are no longer round but polygonal.
- the stranded conductor has a circular outer surface 8, which has a high constancy over the length of the stranded conductor.
- the inner surfaces 7 are partially meshed closely together. They are designed such that the wires 3 are still displaceable relative to each other in the longitudinal direction.
- the coaxial cable 9 has a stranded inner strand conductor 2 which is stranded and kneaded round, which is surrounded by a dielectric 4.
- the dielectric 4 is in turn surrounded by an outer conductor 5 arranged concentrically with respect to the outer surface 8.
- the outer conductor 5 is enclosed here by a protective outer shell 6.
- Other outer conductor 5 are possible.
- the inner conductor Litzen 2 and the dielectric 4 also from a solid outer conductor, respectively. Enclosed housing (not shown in detail).
- Good results are achieved with stranded conductors with a diameter of 0. 1 to 3 M illimeters. These have (depending on the field of application) usually 7, 1 9 or 37 individual wires.
- the diameter of the individual wires is in the range of 0.02 to 0.6 millimeters before the rotary swaging.
- the inventive Litzeninnenleiter offer for very high transmission frequencies of up to 1 1 0 G HZ.
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Communication Cables (AREA)
- Manufacturing Of Electric Cables (AREA)
- Wire Processing (AREA)
- Non-Insulated Conductors (AREA)
- Processes Specially Adapted For Manufacturing Cables (AREA)
- Insulated Conductors (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH00283/12A CH706228A2 (en) | 2012-03-05 | 2012-03-05 | A process for producing a coaxial cable, and coaxial cable. |
PCT/EP2013/053809 WO2013131779A1 (en) | 2012-03-05 | 2013-02-26 | Method for producing a stranded inner conductor for coaxial cable, and coaxial cable |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2823493A1 true EP2823493A1 (en) | 2015-01-14 |
EP2823493B1 EP2823493B1 (en) | 2016-08-03 |
Family
ID=47780049
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP13707149.4A Active EP2823493B1 (en) | 2012-03-05 | 2013-02-26 | Method for producing a stranded inner conductor for coaxial cable, and coaxial cable |
Country Status (7)
Country | Link |
---|---|
US (1) | US10056172B2 (en) |
EP (1) | EP2823493B1 (en) |
JP (1) | JP6195385B2 (en) |
CN (1) | CN104205251B (en) |
CH (1) | CH706228A2 (en) |
ES (1) | ES2601654T3 (en) |
WO (1) | WO2013131779A1 (en) |
Families Citing this family (12)
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CH706510A2 (en) * | 2012-05-15 | 2013-11-15 | Huber+Suhner Ag | Method and device for producing an operative connection between a connector and a cable. |
DE102014214461A1 (en) * | 2014-07-23 | 2016-01-28 | Leoni Kabel Holding Gmbh | Method for producing an electrical line, electrical line and motor vehicle electrical system with a corresponding electrical line |
JP6376093B2 (en) * | 2015-09-24 | 2018-08-22 | 株式会社オートネットワーク技術研究所 | Electrical wire |
CN105904117A (en) * | 2016-06-13 | 2016-08-31 | 梁裕 | Forged stranded welding wire |
CN106001352B (en) * | 2016-07-04 | 2017-11-24 | 梁裕 | A kind of strand welding wire swager |
JP6504134B2 (en) * | 2016-08-26 | 2019-04-24 | マツダ株式会社 | Apparatus and method for joining metal members |
CN108315935A (en) * | 2018-02-01 | 2018-07-24 | 刘其军 | A kind of defeathering technique of hairless ramie stripes |
CN108551126B (en) * | 2018-05-29 | 2023-11-10 | 广东珍世好智能设备有限公司 | Full-automatic wire twisting braiding machine |
CN110565521A (en) * | 2019-09-11 | 2019-12-13 | 河源迪奇亚工业技术有限公司 | Composite-sheath inhaul cable body and manufacturing method thereof |
CN111508661B (en) * | 2019-12-30 | 2021-10-08 | 南京理工大学 | Device and method for preparing heterogeneous copper conductor |
CN112962338A (en) * | 2021-02-01 | 2021-06-15 | 宿迁市邦德金属制品有限公司 | Two-sided hammering device of cable production usefulness |
CN112981995A (en) * | 2021-02-06 | 2021-06-18 | 郭文英 | Drawing frame of wire rope production usefulness |
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NL96850C (en) | 1953-11-18 | |||
US3538697A (en) | 1968-08-30 | 1970-11-10 | Western Electric Co | Methods of and apparatus for manufacturing improved high-frequency cables |
US3651243A (en) | 1968-08-30 | 1972-03-21 | Western Electric Co | High-frequency cables |
JPS5478482A (en) * | 1977-12-02 | 1979-06-22 | Sumitomo Electric Ind Ltd | Making of core for coaxial cable |
JPS59163017A (en) | 1983-03-04 | 1984-09-14 | Fujikura Ltd | Production of thick walled fine metallic pipe |
DE3923448A1 (en) * | 1989-07-15 | 1991-01-24 | Lackdraht Union Gmbh | DEVICE FOR GENERATING THIRD PARTIES |
AU643143B2 (en) * | 1991-06-21 | 1993-11-04 | Sumitomo Heavy Industries Ltd. | A method of and an apparatus for producing wire |
JPH06119825A (en) * | 1992-10-02 | 1994-04-28 | Hitachi Cable Ltd | Litz wire and manufacture thereof |
US5449861A (en) * | 1993-02-24 | 1995-09-12 | Vazaki Corporation | Wire for press-connecting terminal and method of producing the conductive wire |
JPH07226118A (en) | 1994-02-08 | 1995-08-22 | Yazaki Corp | Manufacture of multi-layer compressed concentric twisted wire and its device |
JPH07240120A (en) | 1994-02-25 | 1995-09-12 | Meidensha Corp | Coaxial cable |
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JP2002158044A (en) | 2000-11-17 | 2002-05-31 | Yazaki Corp | Connection structure and connection method of terminal and cable |
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JP4055125B2 (en) | 2002-12-24 | 2008-03-05 | 日本光電工業株式会社 | Coaxial cable and transmission transformer using the same |
JP4409202B2 (en) | 2003-04-25 | 2010-02-03 | 株式会社潤工社 | coaxial cable |
CN101110283B (en) * | 2006-07-20 | 2010-05-12 | 住友电气工业株式会社 | Coaxial cable and multi-core coaxial cable |
CN102110498B (en) | 2009-12-24 | 2012-11-28 | 住友电气工业株式会社 | Small-diameter coaxial cable |
CN201898001U (en) | 2010-07-28 | 2011-07-13 | 神宇通信科技股份公司 | Coaxial cable insulated by winding polytetrafluoroethylene circular tube |
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2012
- 2012-03-05 CH CH00283/12A patent/CH706228A2/en not_active Application Discontinuation
-
2013
- 2013-02-26 WO PCT/EP2013/053809 patent/WO2013131779A1/en active Application Filing
- 2013-02-26 CN CN201380012428.1A patent/CN104205251B/en active Active
- 2013-02-26 US US14/382,453 patent/US10056172B2/en active Active
- 2013-02-26 JP JP2014560306A patent/JP6195385B2/en active Active
- 2013-02-26 EP EP13707149.4A patent/EP2823493B1/en active Active
- 2013-02-26 ES ES13707149.4T patent/ES2601654T3/en active Active
Non-Patent Citations (1)
Title |
---|
See references of WO2013131779A1 * |
Also Published As
Publication number | Publication date |
---|---|
ES2601654T3 (en) | 2017-02-15 |
JP2015516644A (en) | 2015-06-11 |
CN104205251A (en) | 2014-12-10 |
CN104205251B (en) | 2018-01-02 |
WO2013131779A1 (en) | 2013-09-12 |
JP6195385B2 (en) | 2017-09-13 |
US20150096781A1 (en) | 2015-04-09 |
US10056172B2 (en) | 2018-08-21 |
CH706228A2 (en) | 2013-09-13 |
EP2823493B1 (en) | 2016-08-03 |
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