EP3549202A1 - Line and method for producing a line - Google Patents
Line and method for producing a lineInfo
- Publication number
- EP3549202A1 EP3549202A1 EP17822570.2A EP17822570A EP3549202A1 EP 3549202 A1 EP3549202 A1 EP 3549202A1 EP 17822570 A EP17822570 A EP 17822570A EP 3549202 A1 EP3549202 A1 EP 3549202A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- crimp
- waveguide
- line
- cavity
- individual wires
- 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- Withdrawn
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/10—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation
- H01R4/18—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping
- H01R4/20—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping using a crimping sleeve
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/04—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for forming connections by deformation, e.g. crimping tool
- H01R43/048—Crimping apparatus or processes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/10—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation
- H01R4/18—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping
- H01R4/183—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping for cylindrical elongated bodies, e.g. cables having circular cross-section
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/04—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for forming connections by deformation, e.g. crimping tool
- H01R43/058—Crimping mandrels
- H01R43/0585—Crimping mandrels for crimping apparatus with more than two radially actuated mandrels
Definitions
- the invention relates to a line, in particular HF line, and a method for producing such a line.
- a contact element which is fixed by means of a crimp on a conductor of the line.
- the crimp is usually a sleeve made of a conductive material which is placed on the end of the stripped conductor and pressed there. In this way, the crimp is pressed around the conductor and secured to the line non-positively. The crimp is necessarily deformed, as is the head.
- a commonly used crimp is the so-called B-crimp, which is B-shaped in cross-section, with a base from which two arcuate arms extend whose ends are bent inwardly upon attachment of the crimp. The arms engage in the ladder and deform it, so that its original shape and cross-sectional geometry is not preserved. Often the ladder is compressed in one direction and flattened or even cut. Since the crimp is usually made of conductive material and is directly connected to the conductor, the crimp itself also contributes to a potentially detrimental change in cross-sectional geometry at the end of the conduit.
- a deformation of the conductor and a change in the cross-sectional geometry have an adverse effect on the transmission properties of the line, for example if this is designed as a signal line for data transmission.
- a crimp has a disadvantageous effect, since in such RF lines due to the skin effect, a large part of the transmitted current is transported on the outside and is strongly influenced by a modified cross-sectional geometry. Deformation of the conductor by pressing a crimp regularly leads to deteriorated transmission characteristics, ie overall to a deteriorated transmission quality.
- the line is an RF line, i. a radio frequency line, and thereby transmission of signals or data at frequencies in the
- the line is designed in particular as a signal or data line.
- the line has as a conductor to a waveguide, which consists of a conductive material, such as copper or aluminum.
- the conductive material surrounds a cavity, i. the waveguide is hollow inside.
- the waveguide is in particular round, the cavity in particular as well.
- the waveguide is preferably hollow, ie the cavity is empty, ie in particular only filled with air. Additional functional elements inside the waveguide, ie in the cavity are not present and also not provided in order to ensure an optimal power line and to meet corresponding specifications and standards in this regard.
- the line is in particular a coaxial line.
- the line is designed as a single core. forms, ie as an insulated conductor, in which case the waveguide is surrounded by an insulating jacket.
- a crimp is attached in particular at the end, namely at a crimping point of the line.
- the crimp is pressed against the waveguide, wherein the material of the waveguide is dodged into the cavity, so that the crimp engages around the waveguide and thereby in particular reduces or compresses the cavity.
- the cavity is thereby tapered or even completely closed.
- the waveguide thus has a reduced inner diameter within the crimp, which may also be zero.
- the material forms a wall of the waveguide, which has a reduced outer diameter in the region of the crimp.
- the crimp itself has a certain wall thickness, which together with the outer diameter of the waveguide forms an overall diameter.
- the material of the waveguide and the cavity define together, i. in sum, a waveguide cross section, which is reduced by the crimp by the proportion of the cavity is reduced at the waveguide cross-section.
- the crimp is attached to the waveguide by pressing the crimp onto the waveguide.
- the material deviates into the cavity, so that the crimp engages around the waveguide and in particular compresses the waveguide and the cavity.
- the waveguide is thus advantageously locally compacted by the crimp and then takes up less space there than along the remaining line.
- a core idea of the invention is, in particular, to obtain the overall outer diameter and generally the cross-sectional geometry of the line at the crimping point as far as possible and to deform it as little as possible when the crimp is fastened.
- the crimp is included in the cross-sectional geometry. This is based on the consideration that the crimp itself has a certain wall thickness and on a conductor conventionally to a supernatant or a thickening in the radial direction, ie perpendicular to the longitudinal direction Lead, leads. This results at the crimp a total outer diameter, which is usually greater than the outer diameter of the conductor outside the crimp.
- the arrangement of conductor and crimp is then advantageously pressed so that the cavity receives material and thereby partially or is completely closed, whereby the diameter of the arrangement of crimp and waveguide, ie, the total outer diameter at the crimp, in comparison to the outer diameter of the waveguide per se is little or not changed.
- the cavity is preferably centrally located with respect to the waveguide and then extends centrally therealong. Such an arrangement is particularly suitable with regard to the skin effect for an HF line. The arrangement is also particularly suitable for a coaxial line. Conveniently, the cavity is also continuous, i. formed without interruption. Only at the crimp results in principle, under certain circumstances, an interruption, since here the cavity is, so to speak, tapered or completely closed.
- the waveguide is generally in particular rotationally symmetrical, i. the waveguide extends annularly around the cavity. In particular, the waveguide is generally not slotted or split, but rather the cavity is completely surrounded by conductive material.
- the waveguide is expediently designed in several parts and consists of several individual wires.
- the waveguide is composed of several individual wires.
- the individual wires are arranged in a ring. Furthermore, the individual wires are in contact with each other and are not separated the spaced. By this is meant that in each case two adjacent individual wires abut each other, whereas opposite individual wires do not touch, at least in the uncompacted state, but rather are spaced apart from one another by the cavity. In this embodiment, a particularly uniform compaction is possible, since in this case the individual wires are compressed in particular evenly to the cavity.
- the individual wires are preferably of a similar design, ie in each case have the same cross-section, so that overall results in a particularly high symmetry.
- the individual wires On a toothing of the individual wires with one another is preferably omitted, i. the individual wires are designed without teeth or profile. Two respectively adjacent individual wires are then adjacent to one another in such a way that a radially outwardly pointing boundary surface results, along which the individual wires, as it were, travel along during compaction. By dispensing with a toothing a pushing together is then particularly easy.
- the individual wires are each formed drop-shaped.
- “Drop-shaped” is understood in particular to mean that a respective individual wire, seen in cross-section, has an outer contour which has only a single taper and is otherwise round
- the taper particularly includes an angle in the range of 10 ° to 170 °, preferably 45 ° to 90 °, the taper being in particular directed inward, ie towards the cavity
- the points are not necessarily adjacent to each other, so that the cavity is generally star-shaped in cross-section.
- the individual wires are in a suitable embodiment in total, ie formed drop-shaped along the entire length.
- the individual wires are formed drop-shaped only in the region of the crimp.
- a particular advantage of the invention is in particular that the line has a crimp, which builds very low. This is made possible in particular by the use of a waveguide.
- the waveguide on an outer diameter and the crimp forms in the radial direction and with respect to the waveguide from a supernatant, which is at most 10% of the outer diameter.
- Conventional lines and conventional methods typically result in significantly larger overhangs, for example of about 50%. Due to the collapse of the cavity, however, a particularly small projection is made possible in the present case, which leads to significantly improved transmission properties as a result.
- the line extends in a longitudinal direction and the crimp and the waveguide are aligned in the longitudinal direction.
- the crimp then forms no protrusion, a disadvantageous thickening at the crimp is completely avoided.
- particularly good transmission properties of the line are realized.
- This is particularly advantageous in the case of an HF line whose transmission properties are substantially dependent on the diameter of the conductor.
- the crimp then has, in the attached state, an outer diameter which corresponds to the outer diameter of the waveguide along the line, so that a constant outer diameter for the power line is realized in the longitudinal direction.
- the waveguide is preferably formed as a stranded conductor and then has a plurality of individual wires which are arranged around the cavity.
- the individual wires advantageously form a support structure, each of the individual wires forming a segment and the segments supporting one another. As a result, a particularly stable, hollow stranded conductor is realized in a simple manner.
- the above statements on the individual wires of a generally multi-part waveguide also apply correspondingly to the individual wires of a waveguide designed as a stranded conductor.
- the conductor is a stranded conductor with an arrangement of the individual wires, which is based on a conventional 1 + 6 structure, in which a central single wire is surrounded by a layer of six further individual wires.
- a waveguide is dispensed with the central single wire, so then six individual wires are grouped around a cavity around.
- the cavity then has, in particular, an inner diameter which corresponds to a diameter of a single individual wire. This saves material and weight.
- the individual wires are suitably round.
- the individual wires are triangular in cross section.
- the individual wires are segmentally shaped in cross section, for example approximately trapezoidal, ring segment-shaped or the like.
- the one layer of individual wires is surrounded by one or more further layers of individual wires.
- not six individual wires are grouped around the cavity, but a different number of individual wires.
- the waveguide has an even number of individual wires, so that a particularly high symmetry results, is particularly preferred.
- preferably only one layer of individual wires is formed, i.
- the crimp after mounting on the waveguide builds particularly low and at the crimping point overall is formed with respect to the transmission properties optimal conductive cross-section of the line.
- Particularly preferred is an embodiment in which the cavity is completely closed after fixing to the waveguide in the region of the crimp, that is completely collapsed or collapsed.
- the line is preferably designed such that the cavity is completely closable, compressible or collapsible.
- the term "in the region of the crimp” is understood to mean, in particular, a longitudinal section of the waveguide which is encompassed within the crimp, ie encompassed or enclosed by the crimp, so that the crimp encloses a longitudinal section of the waveguide and on this longitudinal section the waveguide is compressed such that the cavity is completely closed.
- the crimp is formed as a B-crimp, with two arms which engage around two holding areas, and wherein the material is evenly distributed over the two holding portions of the crimp.
- the crimp is especially a conventional B-crimp. This usually leads to a large change in the conductive cross-section, since the crimp is typically compressed flat when pressed. In particular, this also divides the conductor and its material divided inhomogeneous to the two holding areas. Especially in a conventional stranded conductor with a central single wire, for example, in the above-described 1 + 6 embodiment, the material of the conductor is distributed unevenly due to the odd number of individual wires.
- the crimp is formed as a round crimp and the waveguide is within the crimp inwardly, ie in particular into the cavity, collapsed.
- the round crimp is for example a sleeve or cup-shaped.
- the round crimp is formed either in one piece or in several parts.
- the crimp is used in particular for striking a contact element, in particular a connector, which is or which is connected to the waveguide, to then connect the line to a device or the like.
- the contact element is fixed accordingly to the crimp, for example, pressed together with the waveguide in the crimp or soldered.
- the line is then formed as a prefabricated line, with a contact element, which is fastened in particular end to the waveguide.
- the crimp serves, so to speak, as an intermediary between the waveguide and the contact element.
- the line is provided at both ends with a crimp and possibly also with a contact element.
- a contact element is attached to the crimp as described above.
- This then preferably has a support portion which is inserted into the cavity and is pressed in this.
- an advantageous support effect is achieved, whereby an excessive deformation of the waveguide is prevented.
- This is understood to mean that the waveguide continues to be deformed and in particular compressed, but that the deformation takes place particularly uniformly through the support section.
- the support section is pushed or used in the application of the crimp in the cavity.
- the support portion prevents, in particular in a stranded conductor and generally in a multi-part waveguide that a single wire, so to speak slips inward and thereby destroys the advantageous symmetry of the arrangement.
- the support portion is made in particular of the same material as the rest of the crimp and, for example, integrally formed on this.
- the support portion is in particular a pin-like, ie formed as a pin.
- the support portion is hollow, ie formed as a sleeve.
- the support portion itself is compressible, such as the waveguide and the crimp, and is compressed when attaching the crimp similar to the waveguide, to realize a total of a particularly small overall outer diameter.
- a tool for fixing the crimp on the waveguide, a tool is used, which preferably has a plurality of pressing jaws. These are positioned around the crimp and collapsed in the radial direction to crimp the crimp to the waveguide.
- the tool is formed symmetrically and the pressing jaws are arranged in a ring, so that there is a uniform as possible force in the radial direction.
- the crimp and the waveguide are deformed particularly homogeneous.
- the tool has four, six or eight dies.
- Fig. 3 shows the conduit in a second cross-sectional view
- Fig. 4 shows a variant of the conduit in a cross-sectional view.
- a line 2 is shown, which is designed as an RF line and is designed for the transmission of signals or data, in particular in the frequency range between 5 and 10 GHz or above.
- the line 2 extends in a longitudinal direction L and is shown in Fig. 1 in a sectional view taken along the longitudinal direction L.
- the line 2 has as a conductor to a waveguide 4, which is designed as a stranded conductor, with a plurality of individual wires 6, which are arranged around a cavity 8 of the waveguide 4 around.
- the waveguide 4 consists of several layers of individual wires 6.
- the waveguide has an outer diameter A and an inner diameter I, which in particular corresponds to a diameter of a single wire.
- the waveguide 4 is surrounded by an insulating jacket 10 in the embodiment shown here.
- a crimp 14 is attached to the waveguide 4 at a crimp 12.
- the crimp 14 shown here is designed as Rundcrimp.
- the crimp 14 is used in particular for striking a contact element 16, for example, a connector, which is shown in FIG. 1 only highly schematic.
- the crimp 14 is pressed against the waveguide 4, wherein its material is dodged into the cavity 8, so that the crimp 14 surrounds the waveguide 4 and compresses the cavity 8.
- the cavity 8 is tapered at the crimp 12.
- the crimp 14 as a whole builds up particularly small, so in the radial direction R has a particularly small projection with respect to the non-compressed part of the waveguide 4 outside the crimp 12.
- the crimp 14 and the waveguide 4 are aligned in the longitudinal direction L.
- the crimp 14 with the waveguide 4 has, in the attached state, an overall outer diameter G which corresponds to the outer diameter A of the waveguide 4, as shown in FIG.
- the fixing of the crimp 14 takes place, for example, by means of a tool with a plurality of pressing jaws, which are arranged annularly around the crimp 14 and then moved inwards in order to compress the crimp 14.
- the contact element 16 has a support section 18, which is here pin-shaped and inserted into the cavity 8.
- the support portion 18 is hollow, ie formed like a sleeve, and is then in particular also compressed.
- the support section 18 is integrally formed on the contact element 16 in the present case.
- the line 2 is shown in a cross-sectional view transversely to the longitudinal direction L, in Fig. 2 at a position of the line 2, to which the waveguide 4 is not compressed, and in Fig. 3 at the Crimping 12.
- the inner diameter I of the waveguide 4 is reduced at the crimp 12.
- the individual wires 6 are pressed into the interior and compacted.
- the cross-sectional shape of the individual wires 6 has changed.
- the individual wires 6 are drop-shaped in cross-section, ie they each have a teardrop shape.
- the individual wires 6 are already compacted along the entire line 2, with a corresponding cross-sectional shape and are then brought closer together at the crimp 12.
- the individual wires 6 form a total of a support structure and support each other.
- FIG. 4 a variant of the conduit 2 is shown, in which instead of the
- a B-crimp is used. This is in cross-section B-shaped, with a base 20, from which extend two curved arms 22, the ends of which are bent in the attachment of the crimp 14 inwardly. Due to the cavity 8 and the even number of individual wires 6 a uniform division of the material on the two arms 22, so that due to the use of a waveguide 4 with a B-crimp a crimp 12 with improved Transmission properties for the line 2 can be realized.
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102016224107.9A DE102016224107A1 (en) | 2016-12-05 | 2016-12-05 | Line and method for producing a line |
PCT/EP2017/081382 WO2018104233A1 (en) | 2016-12-05 | 2017-12-04 | Line and method for producing a line |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3549202A1 true EP3549202A1 (en) | 2019-10-09 |
Family
ID=60888363
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP17822570.2A Withdrawn EP3549202A1 (en) | 2016-12-05 | 2017-12-04 | Line and method for producing a line |
Country Status (5)
Country | Link |
---|---|
US (1) | US20200235497A1 (en) |
EP (1) | EP3549202A1 (en) |
CN (1) | CN110140259A (en) |
DE (1) | DE102016224107A1 (en) |
WO (1) | WO2018104233A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116404789B (en) * | 2023-06-09 | 2023-09-22 | 中国第一汽车股份有限公司 | Motor and driving system with same and vehicle |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1040100B (en) * | 1954-04-08 | 1958-10-02 | Forges Ateliers Const Electr | Cable connection |
GB1159203A (en) * | 1966-05-25 | 1969-07-23 | British Insulated Callenders | Improved Connection for Hollow Electric Conductors |
GB1233199A (en) * | 1967-11-29 | 1971-05-26 | ||
DE3206699A1 (en) * | 1982-02-25 | 1983-09-08 | AEG-Telefunken Kabelwerke AG, Rheydt, 4050 Mönchengladbach | ARRANGEMENT FOR COAXIAL CONNECTION OF TWO LADDERS AND A METHOD FOR PRODUCING SUCH A CONNECTION |
GB2199961B (en) * | 1987-01-13 | 1990-09-26 | Stc Plc | Optical fibre cable containing non-circular cross section wires. |
JP2000021543A (en) * | 1998-07-06 | 2000-01-21 | Yazaki Corp | Dice for caulking terminal and its method |
ES2222275T3 (en) * | 2000-01-31 | 2005-02-01 | Hirschmann Automotive Gmbh | CONTACT TO CHECK. |
CN201508924U (en) * | 2009-09-07 | 2010-06-16 | 珠海共创电力安全技术股份有限公司 | Integral digital connecting terminal |
JP5695987B2 (en) * | 2011-07-01 | 2015-04-08 | 矢崎総業株式会社 | Single core wire and terminal crimping structure of single core wire |
CN204333286U (en) * | 2015-01-19 | 2015-05-13 | 江苏易鼎电力科技有限公司 | Aluminium alloy core high conductivity aluminium stranded conductor splicing sleeve |
CN104767151A (en) * | 2015-04-14 | 2015-07-08 | 上虞市舜兴电力有限公司 | Connecting technology and connecting structure among guide lines of overhead distribution lines |
-
2016
- 2016-12-05 DE DE102016224107.9A patent/DE102016224107A1/en not_active Withdrawn
-
2017
- 2017-12-04 US US16/466,668 patent/US20200235497A1/en not_active Abandoned
- 2017-12-04 WO PCT/EP2017/081382 patent/WO2018104233A1/en active Application Filing
- 2017-12-04 EP EP17822570.2A patent/EP3549202A1/en not_active Withdrawn
- 2017-12-04 CN CN201780073836.6A patent/CN110140259A/en active Pending
Also Published As
Publication number | Publication date |
---|---|
WO2018104233A1 (en) | 2018-06-14 |
US20200235497A1 (en) | 2020-07-23 |
CN110140259A (en) | 2019-08-16 |
DE102016224107A1 (en) | 2018-06-07 |
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