• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    Method for ultrasonically welding a stranded conductor (1) to a contact part (4), wherein a stripped section (5) of the stranded conductor (1) comprises at least one stranded wire (2) which has a plurality of, preferably twisted, individual wires (3) on a welding section (6) of the contact part (4) is arranged. In order to avoid damage to the individual wires and thus to ensure a constant current carrying capacity, the method comprises the following steps: arranging a contact plate (7) on the stripped section (5) such that a connecting section (8) of the stripped portion (5) between the contact plate (7) and the welding portion (6) is arranged; - Pressing against each other at least one sonotrode and at least one of the at least one sonotrode opposing abutment, wherein the sonotrode is pressed against the contact plate (7) and / or against the contact part (4) in the direction of the connecting portion (8); - Ultrasonic welding by means of at least one sonotrode.
    公开号:AT519175A1
    申请号:T50705/2016
    申请日:2016-08-03
    公开日:2018-04-15
    发明作者:
    申请人:Gebauer & Griller Kabelwerke Ges M B H；
    IPC主号:
    专利说明:

    ULTRASONIC WELDING OF A CARRIER WITH ONE
    CONTACT SHARE
    FIELD OF THE INVENTION
    The present invention relates to a method for ultrasonically welding a stranded conductor to a contact part, wherein a stripped portion of the stranded conductor with at least one strand, which has a plurality of, preferably twisted, individual wires, is arranged on a welded portion of the contact part.
    Furthermore, the present invention relates to a system for carrying out the method according to the invention.
    STATE OF THE ART
    From the prior art it is known that the electrical connection between an electrical conductor, which can be formed in particular as a stranded wire with a strand or several strands of, preferably twisted, individual wires, and a contact part via an ultrasonic welding process can be produced. In order to establish the electrical connection, the stranded conductor is placed on a prepared for the welding surface of the contact part and both contact partners between the anvil and sonotrode of an ultrasonic welding tool are clamped. In general, the contact part lies on the anvil (dormant
    Tool), and the stripped stranded conductor faces the sonotrode.
    The welding operation is performed by the sonotrode acts with a defined force on the positioned contact partners and performs an oscillating movement with sufficient speed and thus the individual wires of the stranded conductor in relative motion to each other and to the contact part. The heat generated by existing friction between the moving parts is used to weld the individual wires to each other and the strand (s) to the contact part. The energy is designed so that only at the contact points diffusion processes take place, but not a melt is generated.
    In order to be able to move the individual wires particularly efficiently, the sonotrode can be equipped with a special profile, which usually has grooves and / or points. This prevents a relative movement between these individual wires and the sonotrode to form on the uppermost layer of the individual wires (i.e., on the layer of individual wires which contact the sonotrode). Such a relative movement would weld the top individual wires to the sonotrode, which is undesirable. The concrete profiles used are typically manufacturer-specific and are usually optimized with regard to the material of the strands or on the hardness of this material.
    However, said profile and the heat generated during the welding process lead to a very high deformation and mechanical damage of the top single wire layer. As a result, the individual wires of the uppermost layer do not have sufficient resistance to tensile and bending loads of the stranded conductor, which can consequently lead to wire breaks and thus to a reduced current carrying capacity of the stranded conductor.
    OBJECT OF THE INVENTION
    It is therefore an object of the present invention to provide an improved ultrasonic welding method and a system for its implementation, wherein the above-mentioned disadvantages are to be avoided. In particular, the individual wires of the stranded conductor to be welded during ultrasonic welding should as far as possible not be damaged, so that a constant current carrying capacity can be ensured.
    PRESENTATION OF THE INVENTION
    To achieve the object mentioned, it is provided according to the invention in a method for ultrasonically welding a stranded conductor with a contact part, wherein a stripped portion of the stranded conductor with at least one strand, which has a plurality, preferably twisted, individual wires, is arranged on a welded portion of the contact part the method comprises the steps of: arranging a contact pad on the stripped portion such that a connecting portion of the stripped portion is disposed between the contact pad and the welding portion; - Pressing against each other at least one sonotrode and at least one of the at least one sonotrode opposing abutment, wherein the sonotrode is pressed against the contact pad and / or against the contact member in the direction of the connecting portion; - Ultrasonic welding by means of at least one sonotrode.
    The contact plate protects a topmost layer of the individual wires of the at least one strand from direct contact with the sonotrode and, in particular, against a profile of a working surface of the sonotrode. The uppermost layer in this case is the layer of individual wires whose individual wires lie completely outside in the strand and are in direct contact with the contact plate. According to the prior art, the uppermost layer would be contacted with the sonotrode.
    Extensive experiments have surprisingly shown that during ultrasonic welding between the contact plate and the individual wires of the uppermost layer comes to a relative movement, which is completely analogous to the relative movement of the individual wires to each other during ultrasonic welding without contact plates according to the prior art. As a result, the contact plate transfers the energy introduced by means of the sonotrode onto the individual wires of the strand and ensures friction welding, as occurs in conventional ultrasonic welding. That the individual wires are welded together and with the contact part and the contact plate.
    At the same time, the contact plate causes a particularly uniform distribution of the friction energy on the individual wires, in particular on the uppermost layer of the individual wires. This causes a particularly uniform welding of all individual wires and prevents unacceptable deformation of the individual wires. It can only be a uniform deformation of the individual wires occur, but for the uppermost layer fails completely analogous to the bottom layer, which is called the lowest layer that layer of individual wires, the individual wires in the strand are completely outside and are in direct contact with the contact part , The mechanical stability and strength of the individual wires is thus maintained, so that all individual wires can contribute fully to the current carrying capacity of the stranded conductor. The welded individual wires all have substantially the same mechanical strength.
    When said pressing against each other, the pressure can be applied in principle from the side of the sonotrode or from the side of the abutment or from both sides. The described arrangement of contact plates, connecting section and welding section is arranged between the at least one sonotrode and the at least one abutment.
    The pressing against each other and the ultrasonic welding can take place successively and / or simultaneously.
    In particular, the same pressure that is built up when pressing against each other can be maintained during ultrasonic welding.
    As an abutment, a substantially immovable element, which is also referred to as anvil, can be used in a manner known per se. It is also conceivable to use another sonotrode as an abutment. In this case, both the contact plate and the contact part would be contacted by at least one sonotrode.
    Finally, it would also be possible for the sonotrode to contact the contact part and the abutment to contact the contact plate. In this case, when the ultrasonic welding, the contact plate takes over the role of the contact part and vice versa.
    The process of ultrasonic welding by means of the at least one sonotrode finally takes place in a manner known per se.
    Finally, it should be noted that the welding portion of the contact part is a portion provided for welding with the individual wires.
    In a preferred embodiment of the method according to the invention, it is provided that the at least one sonotrode comprises a profile having a working surface with which the sonotrode is pressed against a contact surface of the contact plate and / or the contact part, the sonotrode so strong against the contact plate and / or the contact part is pressed, that in the contact surface a profile corresponding counter profile is coined.
    As a result, a relative movement between the contact surface and the sonotrode is practically completely prevented, since not only a frictional connection (by the pressing against each other), but also a positive connection (by the profile and the counter-profile) is given. An undesirable welding of the contact surface, in particular the contact surface of the contact plate, with the sonotrode can thus be excluded.
    Instead, optimal energy transfer from the sonotrode to the contact surface takes place. If it is the contact surface to the contact surface of the contact plate, then this is a particularly uniform relative movement of the individual wires to the contact plate and a correspondingly particularly uniform welding of the individual wires with the contact plate - but also with each other - ensured. An undesirable deformation of the individual wires of the uppermost layer is thereby effectively prevented.
    The embossing of the counterprofile in the contact surface, in particular in the contact surface of the contact plate, is thus essentially carried out when pressing against each other, ie immediately before and / or during the ultrasonic welding. Theoretically, it would be conceivable that the counter profile in the contact surface is already prefabricated. However, the production during the process according to the invention provides a perfect
    Positive locking safe and is also cheaper, since the pre-processing of the contact surface, in particular the contact surface of the contact plate, can be dispensed with.
    Preferably, therefore, the contact pad initially has a smooth surface, in particular a smooth contact surface, wherein also the contact surface opposite surface of the contact plate can be smooth.
    In a preferred embodiment of the method according to the invention, it is provided that the at least one abutment comprises a profile having a working surface with which the abutment is pressed against a contact surface of the contact part and / or the contact plate, the abutment so strong against the contact part and / or the contact plate is pressed, that in the contact surface a profile corresponding counter profile is coined.
    As a result, a relative movement between the contact surface and the abutment is practically completely prevented, since not only a frictional connection (by the pressing against each other), but also a positive connection (by the profile and the counter-profile) is given. An undesirable welding of the contact surface, in particular the contact surface of the contact part, with the abutment can thus be excluded.
    If the contact surface is the contact surface of the contact part, then a uniformly relative movement of the individual wires to the contact part during ultrasonic welding and a correspondingly uniform welding of the individual wires to the contact part are ensured in the case of a substantially rigid abutment. An undesirable deformation of the individual wires of the lowest layer is thereby effectively prevented.
    The embossing of the counterprofile in the contact surface, in particular in the contact surface of the contact part, is thus essentially carried out when pressing against each other, ie immediately before and / or during the ultrasonic welding. Theoretically, it would be conceivable that the counter profile in the contact surface is already prefabricated. The production during the process according to the invention, however, ensures a perfect fit and is also more cost-effective, as can be dispensed with the pre-processing of the contact surface, in particular the contact surface of the contact part.
    Preferably, therefore, the contact part initially has a smooth surface, in particular a smooth contact surface, wherein also the contact surface opposite surface of the contact part can be smooth.
    In a preferred embodiment of the method according to the invention, it is provided that the individual wires are made of a metal and that the contact plate is made of the same metal or an alloy of the same metal. Under metal as usual, not only the individual metal-forming elements, but also their alloys to understand. The individual wires may in particular be made of: aluminum, an aluminum alloy, copper, a copper alloy. By the contact plate of the same or a similar metal as the at least one strand or as the individual wires is made, different electronegativities of the contact plate and the individual wires are avoided. In this case, different electronegativities can lead to electrochemical corrosion, which is avoided by said choice of material in order to enable a permanently reliable connection.
    The contact part is typically made of copper or a copper alloy, but may also be made of aluminum or an aluminum alloy. The material of the
    Contact part may have a higher strength than the material of the individual wires. In any case, the contact part usually has a higher mechanical strength than the individual wires.
    In a preferred embodiment of the inventive method, it is provided that the contact plate has a thickness which is in the range of 1 to 3 times a diameter of the individual wires. Particularly preferably, the diameter of the individual wires is in a range from 0.05 mm to 2 mm, preferably from 0.1 mm to 1 mm. By this choice of thickness, a sufficient volume of the contact plate is guaranteed in order to counteract impermissible deformation of the individual wires of the at least one strand particularly effectively. Moreover, a width of the contact plate can be adapted to a width and / or a diameter of the at least one strand, in particular of the connection section. Respectively. For example, a length of the contact pad can be adapted to a length of the connection section. The length of the contact pad is measured along a longitudinal axis of the contact plate, which runs parallel to a longitudinal direction, and the width of the contact plate along a direction normal to the longitudinal direction. When the contact pad according to the method of the present invention is disposed on the stripped portion and on the connecting portion, the length of the connecting portion along the same direction is measured as the length of the contact pad and the width of the connecting portion along the same direction as the width of the contact chip.
    The width of the contact plate can in particular be adapted to and correspond to a width of the welding tool, in particular the sonotrode and / or the anvil. It can be used to guide the contact plate lateral
    Abstützkörper which act as movable stops, be provided.
    In a preferred embodiment of the method according to the invention, it is provided that in a longitudinal direction along a longitudinal axis of the contact plate, the contact plate has an outlet zone in an end region, which preferably faces a sheathed section of the stranded conductor during ultrasonic welding, wherein the ultrasonic welding, and preferably also the Press against each other, seen in the longitudinal direction takes place only in a arranged in front of the outlet zone welding portion of the contact plate. That Seen in the longitudinal direction of the sheathed portion is disposed behind the outlet zone, wherein in general the stripped portion can be arranged in sections between the outlet zone and the contact part.
    Mechanical loads, e.g. caused by vibration tensile and bending loads, attack the individual wires, especially in the end of the contact plate. The individual wires are exposed during ultrasonic welding in the welding section of the contact plate of a certain heat, which may adversely affect the mechanical properties of the individual wires. By having the individual wires in the run-out zone, i. In this end region of the contact plate, are not welded, in this area a kind of buffer against the welded individual wires in the welded portion of the contact plate-more precisely: compared to those portions of the individual wires, which are arranged in the welded portion of the contact plate and welded - formed. In particular, the individual wires in the outlet zone can have a certain flexibility or elasticity, which is significantly greater than in the welded section of the contact plate, where the individual wires are welded. This elasticity favors the buffer or. Damping effect.
    Moreover, by dispensing with pressing against each other in the outlet zone, it is ensured that the individual wires in the outlet zone can not be deformed or deformed by pressing against one another such that a certain mechanical weakening of the individual wires occurs. It is thus guaranteed that the individual wires in the lead-out zone have optimum mechanical properties to absorb mechanical stresses and buffer or attenuate them compared to the individual wires in the contact pad weld section-more precisely: those sections of the individual wires arranged and welded in the contact pad weld section to be able to.
    In an embodiment of the method according to the invention which is particularly simple and therefore cost-effective to implement, it is provided that the ultrasonic welding is effected by means of exactly one sonotrode, the sonotrode being pressed against the contact plate. Preferably, an anvil is provided as an abutment.
    Analogously to the above, a system for carrying out the method according to the invention is provided, the system comprising a stranded conductor with at least one strand having a plurality, preferably twisted, individual wires, wherein the stranded conductor has a stripped portion, the system further comprising a contact part with a Welding portion on which the stripped portion can be arranged, and a contact plate, wherein the system is designed such that the contact pad can be arranged on the stripped portion during the process to receive a connecting portion of the stripped portion between the welding portion and the welded portion during ultrasonic welding. Preferably, this can be the
    Contact plate to be matched to the stranded conductor and the contact part. In particular, the contact plate may be adapted in its choice of material and / or geometry and / or dimensioning of the stranded conductor and / or the contact part, as described above in connection with the method according to the invention and its preferred embodiments.
    BRIEF DESCRIPTION OF THE FIGURES
    The invention will now be explained in more detail with reference to an embodiment. The drawings are exemplary and are intended to illustrate the inventive idea, but in no way restrict it or even reproduce it.
    Showing:
    Fig. 1 is an axonometric view of a stranded conductor, which is welded to a contact part by an inventive method, obliquely from above
    Fig. 2 is an axonometric view analogous to FIG. 1 obliquely from below
    3 shows a sectional view of the stranded conductor welded to the contact part from FIG. 1
    WAYS FOR CARRYING OUT THE INVENTION
    In the axonometric view of FIG. 1, a stranded conductor 1 can be seen, which is ultrasonically welded to a contact part 4 by means of a method according to the invention. The stranded conductor 1 has a sheathed section 12, in which a stranded wire 2 is surrounded by an electrically insulating sheath 16, which may be made of plastic, for example. The strand 2 consists of a plurality of individual wires 3, which are twisted. The individual wires 3 are made of a metal, such as aluminum or an aluminum alloy or copper or a copper alloy. The strand 2 is exposed in a stripped portion 5 (see Fig. 3) of the stranded conductor 1, i. in the stripped section 5, the jacket 16 is missing or has been removed.
    The contact part 4 is also made of a metal, typically copper or a copper alloy or aluminum or an aluminum alloy. The contact part 4 has a welding section 6 (see Fig. 3), which is designed in the illustrated embodiment is substantially planar and rectangular. On this welding portion 6 of the stripped portion 5, more precisely, a connecting portion 8 of the stripped portion 5, placed. According to the method of the invention, a contact plate 7, which consists of the same or a similar metal as the individual wires 3, is then arranged on the connecting section 8, more precisely on a side of the connecting section 8 opposite the contact part 4. This results in the recognizable in Fig. 1 arrangement of contact part 4, connecting portion 8 and contact plate 7, wherein the connecting portion 8 between the contact part 4 and contact plate 7 is located.
    In accordance with the method according to the invention, a sonotrode known per se (not shown) is pressed against one another and an abutment opposing the sonotrode, which can be designed as an anvil (not shown) known per se. The sonotrode is pressed against a contact surface 9a of the contact plate 7 in the direction of the connecting portion 8, wherein the
    Contact surface 9a of the connecting portion 8 and the contact part 4 and the welding section 6 points away.
    The strand 2 initially has a round cross-section and is flattened or pushed flat by pressing against each other, as can be seen in FIG.
    The ultrasonic welding finally takes place by means of the sonotrode - in cooperation with the anvil - in a conventional manner. In this case, the pressing against each other and the ultrasonic welding can take place successively and / or simultaneously. In any case, the contact plate 7 protects a topmost layer of the individual wires 3 from direct contact with the sonotrode, in particular from the profile of the working surface of the sonotrode. The uppermost layer in this case is the layer of individual wires 3, whose individual wires 3 lie completely outside in the strand 2 and are in direct contact with the contact plate 7.
    Expensive experiments have surprisingly shown that there is a relative movement between the contact plate 7 and the individual wires 3 of the uppermost layer, which is completely analogous to the relative movement of the individual wires 3 to each other during ultrasonic welding without contact plates 7 according to the prior art. As a result, the contact plate 7 transmits the energy introduced by means of the sonotrode onto the individual wires 3 of the strand 2 and ensures friction welding, as occurs in conventional ultrasonic welding. That the individual wires 3 are welded together and with the contact part 4 and the contact plate 7.
    At the same time, the contact plate 7 causes a particularly uniform distribution of the friction energy on the individual wires 3, in particular on the uppermost layer of the individual wires 3. This causes a particularly uniform welding of all individual wires 3 and prevents unacceptable deformation of the individual wires 3. It can only uniform deformation of Single wires 3 occur, but for the uppermost layer fails completely analogous to the bottom layer, which is referred to as the lowest layer that layer of individual wires 3, the individual wires 3 in the strand 2 are completely outside and are in direct contact with the contact part 4. The mechanical stability and strength of the individual wires 3 is thus maintained, so that all individual wires 3 can contribute fully to the current carrying capacity of the stranded conductor 1. The welded individual wires 3 all have substantially the same mechanical strength.
    By pressing against each other, the contact plate 7 is positively connected to the sonotrode. To be able to exclude a relative movement between the contact plate 7 and the sonotrode as completely as possible, a positive connection is additionally generated. An undesirable welding of the contact surface 9a of the contact plate 7 with the sonotrode can thus be excluded. The generation of the additional form-fit is done by the sonotrode has a profile having work surface, with which it is pressed against the contact surface 9a of the contact plate 7, the sonotrode is pressed so strongly against the contact plate 7 that in the contact surface 9a a the profile corresponding counter-profile 10a is embossed. This counter-profile 10a can be seen in FIG. 1 and, in the exemplary embodiment shown, essentially consists of grooves which are embossed in the contact surface 9a of the contact plate 7.
    By pressing against each other, the contact part 4 is connected in a force-fitting manner to the abutment or the anvil in a completely analogous manner to the above. To be able to exclude a relative movement between the contact part 4 and the anvil as completely as possible, a positive connection is additionally generated. An undesirable welding of the contact part 4 with the anvil can thus be excluded. The generation of the additional form-fitting occurs by the anvil having a profile having work surface with which it is pressed against a contact surface 9b of the contact part 4, wherein the anvil is pressed so strongly against the contact part 4 that in the contact surface 9b of the contact part 4th a profile corresponding profile 10b is embossed. This counter profile 10b can be seen in FIG. 2 and, in the exemplary embodiment shown, essentially consists of grooves which are embossed in the contact surface 9b of the contact part 4.
    As can be clearly seen in particular in FIG. 3, the contact plate 7 has an outlet zone 11 in an end region seen in a longitudinal direction 14 along a longitudinal axis 13 of the contact plate 7 in the illustrated embodiment. In this outlet zone 11, which faces the sheathed portion 12, there is no ultrasonic welding and, in the illustrated embodiment, no pressing against each other.
    Therefore, in the region of the outlet zone 11 on the contact surfaces 9a, 9b and virtually no counter-profile 10a, 10b recognizable, see. Fig. 1 and Fig. 2. Seen in the longitudinal direction 14, a welding section 15 of the contact plate 7 is arranged in front of the outlet zone 11, in which the ultrasonic welding and the pressing against each other take place anyway.
    In the run-off zone 11, individual wires 3 in the illustrated embodiment are loaded neither by heat generated during welding nor by deformation, as can occur when pressing against one another. It is thus guaranteed that the individual wires 3 in the outlet zone 11 have optimum mechanical properties in order to withstand mechanical stresses such as e.g. can be caused by vibrations, and with respect to the individual wires 3 in the welding section 15 of the contact plate 7 - more precisely: with respect to those sections of the individual wires 3, the
    Welding portion 15 of the contact plate 7 are arranged and welded - buffers or to be able to dampen. By this buffer or damping function, the outlet zone 11 thus contributes significantly to the permanent guarantee of full functionality, in particular current carrying capacity, a system comprising stranded conductor 1, contact part 4 and contact plate 7 in the welded state.
    REFERENCE LIST 1 Stranded conductor 2 Strand 3 Single wire 4 Contact part 5 Stripped section of stranded conductor 6 Welding section of contact part 7 Contact plate 8 Connection section of stripped section 9a, 9b Contact surface 10a, 10b Counter profile 11 Outlet zone 12 Sheathed section of stranded conductor 13 Longitudinal axis of contact plate 14 Lengthwise direction 15 Welding section of contact plate 16 coat
    权利要求:
    Claims (8)
    [1]
    1. A method for ultrasonic welding a stranded conductor (1) having a contact part (4), wherein a abgegemantelter portion (5) of the stranded conductor (1) with at least one strand (2), which, a plurality of, preferably twisted, individual wires (3) a welding section (6) of the contact part (4) is arranged, characterized in that the method comprises the following steps: - placing a contact plate (7) on the stripped portion (5) such that a connecting portion (8) of the stripped portion (8) 5) between the contact plate (7) and the welding portion (6) is arranged; - Pressing against each other at least one sonotrode and at least one of the at least one sonotrode opposing abutment, wherein the sonotrode is pressed against the contact plate (7) and / or against the contact part (4) in the direction of the connecting portion (8); - Ultrasonic welding by means of at least one sonotrode.
    [2]
    2. A method according to claim 1, characterized in that the at least one sonotrode comprises a profile having work surface with which the sonotrode is pressed against a contact surface (9a, 9b) of the contact plate (7) and / or the contact part (4), wherein the Sonotrode is so strongly pressed against the contact plate (7) and / or the contact part (4) that in the contact surface (9a, 9b) a profile corresponding counter profile (10a, 10b) is embossed.
    [3]
    3. Method according to one of claims 1 to 2, characterized in that the at least one abutment comprises a profile having work surface with which the abutment against a contact surface (9b, 9a) of the contact part (4) and / or the contact plate (7). is pressed, wherein the abutment so strong against the contact part (4) and / or the contact plate (7) is pressed, that in the contact surface (9b, 9a) a profile corresponding counter-profile (10b, 10a) is embossed.
    [4]
    4. The method according to any one of claims 1 to 3, characterized in that the individual wires (3) are made of a metal and that the contact plate (7) is made of the same metal or an alloy of the same metal.
    [5]
    5. The method according to any one of claims 1 to 4, characterized in that the contact plate (7) has a thickness which is in the range of 1 to 3 times a diameter of the individual wires (3).
    [6]
    6. The method according to any one of claims 1 to 5, characterized in that seen in a longitudinal direction (14) along a longitudinal axis (13) of the contact plate (7), the contact plate (7) in an end region an outlet zone (11) which during the Ultrasonic welding is preferably a coated portion (12) of the stranded conductor (1) facing, wherein the ultrasonic welding, and preferably also the pressing against each other, seen in the longitudinal direction (14) only in a front of the outlet zone (11) arranged welding portion (15) of the contact plate (7 ) takes place.
    [7]
    7. Method according to one of claims 1 to 6, characterized in that the ultrasonic welding is performed by means of exactly one sonotrode, wherein the sonotrode is pressed against the contact plate (7).
    [8]
    8. System for carrying out a method according to one of claims 1 to 7, the system comprising a stranded conductor (1) with at least one stranded wire (2), which, a plurality of, preferably twisted, individual wires (3), wherein the stranded conductor (1) a stripped portion (5), the system further comprising a contact part (4) with a welding portion (6) on which the stripped portion (5) can be arranged, and a contact plate (7), wherein the system is designed such that the Contact pad (7) can be arranged on the stripped portion (5) during the process to receive, during ultrasonic welding, a connecting portion (8) of the stripped portion (5) between itself and the welding portion (6).
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    同族专利:
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    WO2018024715A1|2018-02-08|
    AT519175B1|2019-01-15|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    US5642852A|1995-04-28|1997-07-01|Yazaki Corporation|Method of ultrasonic welding|
    WO2006005509A1|2004-07-09|2006-01-19|Schunk Ultraschalltechnik Gmbh|Arrangement for welding workpieces by means of an ultrasonic welding device|
    WO2015044140A1|2013-09-24|2015-04-02|Elringklinger Ag|Method for establishing an electrically conductive connection between an electrical line and an electrically conductive component|
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    JP2014211953A|2013-04-17|2014-11-13|矢崎総業株式会社|Connection method, connection device of wire|DE102016124583B3|2016-12-16|2018-02-15|Auto-Kabel Management Gmbh|Joining a connection element with a stranded conductor|
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    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    ATA50705/2016A|AT519175B1|2016-08-03|2016-08-03|ULTRASONIC WELDING OF A LADDER WITH A CONTACT PART|ATA50705/2016A| AT519175B1|2016-08-03|2016-08-03|ULTRASONIC WELDING OF A LADDER WITH A CONTACT PART|
    PCT/EP2017/069412| WO2018024715A1|2016-08-03|2017-08-01|Ultrasonic welding of a stranded conductor to a contact part by means of a contact plate|
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