EP0948418B1 - Verfahren und vorrichtung zum mechanischen fügen - Google Patents
Verfahren und vorrichtung zum mechanischen fügen Download PDFInfo
- Publication number
- EP0948418B1 EP0948418B1 EP98954413A EP98954413A EP0948418B1 EP 0948418 B1 EP0948418 B1 EP 0948418B1 EP 98954413 A EP98954413 A EP 98954413A EP 98954413 A EP98954413 A EP 98954413A EP 0948418 B1 EP0948418 B1 EP 0948418B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- punch
- joining
- die
- impact
- sheet
- 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.)
- Expired - Lifetime
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
- B21D39/03—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of sheet metal otherwise than by folding
- B21D39/031—Joining superposed plates by locally deforming without slitting or piercing
-
- 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
- Y10T29/49826—Assembling or joining
- Y10T29/49908—Joining by deforming
- Y10T29/49936—Surface interlocking
-
- 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
- Y10T29/53996—Means to assemble or disassemble by deforming
Definitions
- the invention relates to a method and a device for mechanical 15. Joining sheet metal parts according to the preamble of claims 1 and 15 respectively (e.g. EP-A-0 077 932).
- each made The stamp and die are made up of small three-dimensional structures that Joining elements. These joining elements are formed by in a Joining area of the sheet metal material of the sheet metal parts lying flat on one another the sheet metal plane is moved out and compressed together.
- non-releasable joining elements are created by mechanical Put. For this purpose, either a volume area can be created from the sheet metal parts pushed out or pushed through and then formed by upsetting, so that its width increases. In this respect, one speaks of clinching. to Ancillary joining parts can be in shape to increase the load-bearing capacity of such a joining element of punch rivets can be incorporated into the joining element during joining.
- the Single sheet thicknesses are usually in the range between 0, 5 and 3 mm.
- the forming energies to be applied for these mechanical joining processes are applied by one press stroke each, which the necessary Provides pressing forces as joining forces.
- pressing forces are usually in the range between 20 and 100 kN.
- a joining tool that can be used for this purpose is, for example, from EP-A-77932 known.
- There a joining area is delimited by a press driven stamp and a stationary die. Will the stamp be in Moved in the direction of the die, the material of the sheets is placed in a cavity Deep drawn die. If the sheet on the die side reaches the bottom of the Cavity, which is formed by an anvil, and the pressure on the Stamps maintained or raised, the bottom of the enforced Spread out the joining section laterally, as the material is compressed and the Dodge the die cavity from the side walls.
- An advantage such joining tools is that both with a single press stroke the penetration as well as the upsetting of the sheet material can take place.
- the die In the case of individual joining devices, the die is usually placed in a stationary position in one Leg of a C-shaped bracket of a pair of pliers or an analog Device, the other leg of a guide for a stamp having.
- a hydraulic working cylinder or is then used for a stamp drive also used a pneumatic cylinder or an eccentric press, the ram attacks on the punch while the reaction forces in a the C-bracket can be derived.
- For the stroke is either a force or a Path limitation provided.
- the required pressures of the hydraulic medium are in the order of a few tens of bar and up to 500 bar.
- Related Hose inlets and outlets are accordingly inflexible, massive and heavy.
- the object of the invention is therefore to provide a method for mechanical joining to create the preamble of claim 1, the use easier and under Consideration of the costs of the drive units of inexpensive devices allows.
- an impinging accelerated mass transmits several impulses, which Blows lead to impact stress.
- the one in each step supplied energy must be sufficient to pass the material through the elastic range of the deformation characteristic down to the plastic range to transform into it. It is preferred not to go far beyond this minimum energy go out to take full advantage of the method of the invention to be able to.
- the total of the individual strikes of a mechanical joining results then the desired joining element, which is thus created in partial steps.
- the minimum single-step energy is surprisingly low and enables small, light and inexpensive joining devices also for joining steel sheets of twice 0.5 mm and above. Because the respective reaction forces Relatively light C-arms can also be included in every single step or analog mounts can be used.
- An example of a free-flying piston is its two sides alternately and in rapid succession of compressed air.
- a device according to the invention for striking joining with single strikes is specified in claim 15.
- the joining tool set also includes one Stamp 16.
- the die 14 and the stamp 16 have a construction as they is disclosed for example in said EP-A-77932.
- the stamp 16 is on attached to a guide piston 18 which in a bore 20 of a shoulder 22nd of the C-bracket 12 is guided straight and secured against rotation.
- the Piston 18 has a collar 24 and a spring 26 is between the collar 24 and a shoulder 28 which clamps the guide piston 18 in the direction Die 14 presses.
- the Stamp 16 with its working surface against the workpieces to be joined held or biased to lift the punch 16 from the sheet metal parts 30 to prevent in an initial phase of the joining process.
- Sheets 30 to be added lie on a support element shown broken away 32 on and are broken away by a preferably deliverable, also shown clamp holder 34 secured in the joining position. With those to be joined Sheets 30 are at least two sheets lying one on top of the other 30, whereby it is quite common that more than two sheets 30 through punctiform joining elements are connected.
- a Path limitation e.g. a pneumatic pressure cut-off, executed to to interrupt or end a stroke sequence as follows is explained.
- the necessary and sufficient joining path "X" is the distance between the collar 24 and a stop flange 36. In other embodiments the joining path can also be adjustable.
- the extension 22 has a straight guide bore in the extension of its bore 20 38 for an impact mass 40.
- the impact mass 40 is in Arrow direction for a reciprocating movement relative to the guide piston 18 driven.
- the impact mass 40 is here from a free-flying piston formed, the two sides alternately and with rapid succession with compressed air are acted upon. Compressed air inlets and outlets are not shown because they are in are known to be attachable.
- the impact mass 40 works against the guide piston 18, which transmits the blow to the stamp 16.
- the Stamp 16 thereby becomes a striking tool that has a straining load introduces into the sheets 30.
- a series of single strikes will generated by the alternating application of the impact mass 40 to the Join path "X" by impact stress.
- the impact energy of the Single strikes leads to the stamp 16 in a single addition each Executes partial joining sections, each individual punch the stamp 16 from a The previously taken part-joining position is moved further towards the die 14 until the Addition is completed.
- the number of blows is preferably 10 to 50 blows, in particular 10 to 25 Beats per second.
- the number of blows depends in particular on the Material type of the sheets, i.e. Aluminum, steel, high-strength steel etc, and the Sheet thickness.
- Path limitation may be provided.
- the impact stress on the sheets 30 caused by the impact mass 40 in the form of strikes occurring in series are strikes with a short stroke duration, the preferably be generated in rapid succession.
- the stroke duration of a stroke is preferably selected in the range between 0.02 and 5 ms, in particular 0.1 up to 0.9 ms.
- the brevity of the stroke should be such that the inertia one of the moving impact masses 40, here the lower one Leg 10, is essentially not overcome.
- a usual joining time can then be less than a second with a beat sequence of, for example, 4 up to 10 single blows when mechanically joining aluminum sheets 30 with sheet thicknesses of 1 mm each.
- the Opening width of the bracket is adjustable, for example around the bracket via a bend lead behind which the joining is to be made.
- the clamp holder can also act as a stripper of the joined sheets 30 from Stamp 16 serve.
- the usual spring-loaded wipers on the die side are less suitable here because they transmit the momentum from the impact mass 40 would brake on the guide piston. You could use lever-like ones, if necessary use manually operated scrapers, but for simplification the representation are not drawn.
- the stamp 16 together with his Guide piston 18 are pressed upwards against the force of the spring 26.
- the up and down swinging impact mass 40 with the air column or one A pneumatic system's striking spring can be a vibrating system represent that outside its resonance frequency, preferably far below its resonance frequency is operated. Then the assembly remains consisting of approach 22 and C-bracket, largely at a standstill, so that Device can be easily guided by hand.
- the joining is carried out by means of one Hubes of the stamp 16 produced, which he in several discrete steps passes.
- the holder of the punch and die should be pliers-shaped. It can also be one Force redirection over an inclined plane can be provided. Are also more Systems with several or many sets of joining tools imaginable, at those behind the matrices a single large common countermass is provided.
- a device for the mechanical joining of sheet metal parts accordingly comprises a tool set comprising at least one stamp 16 and a die 14 having an anvil as tool set elements, between which the sheets 30 to be connected lie flat one above the other, wherein at least one tool set element 16 or 14 for loading the Sheet metal parts 30 is movable with a forming energy, and the movable Tool element designed as a striking tool with a moving mass 40 with which an impact stress in the form of serial blows is shorter Impact duration can be introduced into the sheet metal parts 30.
- Fig. 2 shows a second embodiment of a joining device, which differs from the to Fig. 1 only differs in that the positions of Die 14 and punch 16 were replaced.
- the impact mass 40 acts here So on the die 14, while the punch 16 is clamped stationary. in the the rest of the above explanations for Fig. 1 apply accordingly.
- the impact mass 40 either electromechanically or pneumatically or via one in an axis direction arrangement performing periodic up and down movement is accelerated.
- the ignition of an explosive can also be used.
- the different Drive means all enable percussion joining according to the invention.
- the joining device according to the invention can have a long projection be formed.
- the lower leg 10 1 can be designed as a long-armed, one-armed lever that extends from the C-bracket 12. The same applies of course to the thigh that the assigned stamp 16 carries.
- a method according to the invention for the mechanical joining of Sheet metal parts in which by means of a tool set from at least one Stamp and a die material having an anvil under Effect of a forming energy shifted out of a sheet metal plane together and is compressed, it is accordingly provided that the forming energy or Forming work due to impact stress in the form of serially occurring Short strokes duration is generated.
- the reaction forces can range from one on the side of the tool set facing away from the impacting mass arranged counterweight can be included.
- the size of the pulses can be dimensioned such that the forming energy supplied per pulse is one causes relatively little plastic deformation of the materials to be joined.
- the stroke sequence of the individual strokes, the stroke number as well as their stroke duration can be selected as above for the joining devices in connection with Fig. 1 and 2 has been described. Furthermore, one can by the impact stress per stroke received by the sheets 30 preferably in Range from 7 to 20 joules.
- auxiliary joining part can be incorporated into the joining become.
- Auxiliary joining parts are punch rivets, especially those with semi-tubular rivets, that remain in the joining zone.
Description
Claims (26)
- Verfahren zum mechanischen Fügen von Blechteilen, bei dem mittels eines Werkzeugsatzes aus mindestens einem Stempel (16) und einer einen Amboß aufweisenden Matrize (14) Blechmaterial (30) unter Wirkung einer Umformenergie aus einer Blechebene in einen Hohlraum der Matrize (14), dessen Boden vom Amboß gebildet wird, gemeinsam herausverlagert und gestaucht wird, wodurch ein nicht lösbares Fügeelement entsteht, dadurch gekennzeichnet, daß der Stempel (16) zu Beginn des Fügens gegen die Blechteile (30) vorgespannt wird und ein Fügeelement in Teilschritten entsteht, in dem die Umformenergie durch eine Schlagbeanspruchung in Form seriell auftretender Schläge kurzer Schlagdauer erzeugt wird, wobei die in jedem Schlag zugeführte Energie ausreicht, das Material unter Durchlaufen des elastischen Bereiches der Verformungskennlinie bis in den plastischen Bereich hinein umzuformen.
- Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß die Schlagdauer derart kurz ist, daß die Trägheit einer einer bewegten Masse zugeordneten Gegenmasse im wesentlichen nicht überwunden wird.
- Verfahren nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß eine bewegte Masse (40) in schneller Folge Schläge erzeugt.
- Verfahren nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß die Schlagbeanspruchung durch eine Schlagzahl von 10 bis 50 Schlägen pro Sekunde erzeugt wird.
- Verfahren nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß die Schlagdauer eines Schlages im Bereich zwischen 0,02 und 5 ms gewählt wird.
- Verfahren nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß eine durch die Schlagbeanspruchung pro Schlag von den Blechteilen aufgenommene Schlagarbeit im Bereich von 7 - 20 Joule liegt
- Verfahren nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß die Schlagbeanspruchung über ein in eine Fügung sich einarbeitendes Hilfsfügeteil übertragen wird, das in einer Fügezone verbleibt.
- Verfahren nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß die Schlagbeanspruchung durch eine elektromechanisch beschleunigte Masse (40) erzeugt wird.
- Verfahren nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß die Schlagbeanspruchung durch eine pneumatisch beschleunigte Masse (40) erzeugt wird.
- Verfahren nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß die Schlagbeanspruchung über eine bewegte Masse (40) erzeugt wird, die über eine in einer Achsenrichtung eine periodische Auf- und Abbewegung ausführende Anordnung beschleunigt wird.
- Verfahren nach einem der Ansprüche 1 bis 10, dadurch gekennzeichnet, daß die Schlagbeanspruchung über den Stempel (16) eingeleitet wird.
- Verfahren nach einem der Ansprüche 1 bis 10, dadurch gekennzeichnet, daß die Schlagbeanspruchung über die Matrize (14) eingeleitet wird.
- Verfahren nach einem der Ansprüche 1 bis 12, dadurch gekennzeichnet, daß die Schlagbeanspruchung durch eine bewegte Masse (40) erzeugt wird, die durch Zünden eines Explosivstoffes beschleunigt wird.
- Verfahren nach einem der Ansprüche 1 bis 13, dadurch gekennzeichnet, daß die Schlagbeanspruchung durch eine bewegte Masse \\s Teil eines schwingungsfähigen Systems, das außerhalb seiner Resonanzfrequenz betrieben wird, erzeugt wird.
- Vorrichtung zur Durchführung des Verfahrens zum mechanischen Fügen von Blechteilen nach einem der Ansprüche 1 bis 14 mit einem Werkzeugsatz aus mindestens einem Stempel (16) und einer einen Amboß aufweisenden Matrize (14) als Werkzeugsatzelement, zwischen denen die zu verbindenden Bleche (30) flächig übereinanderliegen, wobei mindestens während des Fügevorgangs ein Werkzeugsatzelement zur Beaufschlagung der Blechteile mit einer Umformenergie verfahrbar ist, dadurch gekennzeichnet, daß eine Federanordnung (26) dem Stempel (16) zugeordnet ist, die dazu geeignet ist den Stempel (16) zu Beginn des Fügens gegen die Blechteile (30) vorzuspannen, und das verfahrbare Werkzeugsatzelement als Schlagwerkzeug mit einer bewegten Masse (40) ausgebildet ist, mit der eine Schlagbeanspruchung in Form serieller Schläge kurzer Schlagdauer in die Blechteile (30) einleitbar ist.
- Vorrichtung nach Anspruch 15, dadurch gekennzeichnet, daß die bewegte Schlagmasse (40) von einem freifliegenden Kolben gebildet wird, der in einer dem verfahrbaren Werkzeugsatzelement zugeordneten zylinderartigen Geradführung (38) geführt ist
- Vorrichtung nach Anspruch 16, dadurch gekennzeichnet, daß die beiden Seiten des Kolbens abwechselnd und in schneller Folge mit Druckluft beaufschlagbar sind.
- Vorrichtung nach einem der Ansprüche 15 bis 17, dadurch gekennzeichnet, daß das Schlagwerkzeug von dem Stempel (16) gebildet wird, demgegenüber die Matrize (14) in einer Matrizenhalterung stationär eingespannt ist.
- Vorrichtung nach Anspruch 18, dadurch gekennzeichnet, daß die Matrize (14) zusätzlich auf den Stempel (16) zubewegbar ist.
- Vorrichtung nach einem der Ansprüche 15 bis 19, dadurch gekennzeichnet, daß der Stempel (16) in einer Stempelhalterung geradegeführt ist, die mit einer Geradführung (38) für die Schlagmasse (40) fluchtet.
- Vorrichtung nach Anspruch 20, dadurch gekennzeichnet, daß die Stempelhaiterung verdrehsicher ist.
- Vorrichtung nach einem der Ansprüche 15 bis 21, dadurch gekennzeichnet, daß dem Stempel (16) eine Wegbegrenzungseinrichtung zugeordnet ist.
- Vorrichtung nach einem der Ansprüche 15 bis 17, dadurch gekennzeichnet, daß das Schlagwerkzeug von der Matrize (14) gebildet wird, dergegenüber der Stempel (16) stationär eingespannt ist.
- Vorrichtung nach einem der Ansprüche 15 bis 23, dadurch gekennzeichnet, daß ein C-Bügel (12) vorgesehen ist, in dessen einem Schenkel (10) die Matrize (14) gehalten ist und in dessen anderem Schenkel die Stempelhalterung geführt ist.
- Vorrichtung nach Anspruch 24, dadurch gekennzeichnet daß die Schenkel (10) jeweils als langschenkelige, einarmige Hebel ausgebildet sind, deren freie Enden jeweils Stempel (16) oder Matrize (14) tragen.
- Vorrichtung nach einem der Ansprüche 15 bis 23, dadurch gekennzeichnet, daß die Halterung von stempel und Matrize als Zangenkonstruktion ausgebildet ist.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19747267A DE19747267C2 (de) | 1997-10-25 | 1997-10-25 | Verfahren zum Durchsetzfügen und Vorrichtung zu seiner Durchführung |
DE19747267 | 1997-10-25 | ||
PCT/EP1998/006507 WO1999021668A1 (de) | 1997-10-25 | 1998-10-14 | Verfahren und vorrichtung zum mechanischen fügen |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0948418A1 EP0948418A1 (de) | 1999-10-13 |
EP0948418B1 true EP0948418B1 (de) | 2003-05-14 |
Family
ID=7846666
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98954413A Expired - Lifetime EP0948418B1 (de) | 1997-10-25 | 1998-10-14 | Verfahren und vorrichtung zum mechanischen fügen |
Country Status (10)
Country | Link |
---|---|
US (1) | US20020038504A1 (de) |
EP (1) | EP0948418B1 (de) |
JP (1) | JP2001507285A (de) |
AT (1) | ATE240172T1 (de) |
AU (1) | AU1153799A (de) |
CA (1) | CA2275976C (de) |
DE (2) | DE19747267C2 (de) |
ES (1) | ES2200386T3 (de) |
PL (1) | PL187856B1 (de) |
WO (1) | WO1999021668A1 (de) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19929778B4 (de) * | 1998-09-07 | 2006-04-13 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Verfahren und Vorrichtung zum dynamischen Verbinden von plattenförmigen Bauteilen |
EP1132158A1 (de) * | 2000-03-06 | 2001-09-12 | Hahn, Ortwin, Prof. Dr.-Ing. | Verfahren und Vorrichtung zum mechanischen Fügen von metallischen Bauteilen |
DE10030283C2 (de) * | 2000-06-20 | 2002-06-20 | Fraunhofer Ges Forschung | Verfahren zum umformtechnischen Verbinden von plattenförmigen Bauteilen |
SE0100667D0 (sv) * | 2001-02-26 | 2001-02-26 | Attexor Clinch Systems Sa | A method for making joints between sheet formed members and an apparatus for carrying out said method |
DE102004038208B4 (de) * | 2004-08-05 | 2008-11-13 | Daimler Ag | Verfahren und Werkzeugeinrichtung zum Umformen |
DE102004038209B4 (de) * | 2004-08-05 | 2008-11-13 | Daimler Ag | Werkzeugeinrichtung und Verfahren zum Umformen |
DE102004052009B3 (de) * | 2004-10-25 | 2005-12-08 | Eckold Gmbh & Co Kg | Vorrichtung zum mechanischen Fügen oder dergleichen |
US7698797B2 (en) * | 2005-02-02 | 2010-04-20 | Ford Global Technologies | Apparatus and method for forming a joint between adjacent members |
DE102005038470B4 (de) * | 2005-08-13 | 2022-08-25 | Eckold Gmbh & Co. Kg | Umformwerkzeug und Verfahren zum Positionieren des Umformwerkzeugs |
GB0813883D0 (en) * | 2008-07-30 | 2008-09-03 | Henrob Ltd | Joining apparatus and method |
CN105772619B (zh) | 2010-11-10 | 2018-04-27 | 亨罗布有限公司 | 紧固方法及设备 |
DE102013217640A1 (de) | 2013-09-04 | 2015-03-05 | Profil Verbindungstechnik Gmbh & Co. Kg | Verfahren zur Anbringung eines Befestigungselements an ein Werkstück, Kombination einer Scheibe mit einer Matrize sowie Matrize |
DE102013217632A1 (de) | 2013-09-04 | 2015-03-05 | Profil Verbindungstechnik Gmbh & Co. Kg | Stanzniet sowie Verfahren und Vorrichtungen zur Befestigung einzelner Bauteile aneinander, von denen mindestens ein Bauteil durch ein Werkstück aus Verbundmaterial gebildet ist |
DE102013217633A1 (de) | 2013-09-04 | 2015-03-05 | Profil Verbindungstechnik Gmbh & Co. Kg | Stanzniet und Verfahren zur Befestigung einzelner Bauteile aneinander, von denen mindestens ein Bauteil durch ein Werkstück aus Verbundmaterial gebildet ist |
DE102014113438A1 (de) | 2013-11-06 | 2015-05-07 | Profil Verbindungstechnik Gmbh & Co. Kg | Verfahren zum Verbinden von Blechteilen und Zusammenbauteil sowie Setzkopf und Matrize |
CN204221410U (zh) * | 2014-10-15 | 2015-03-25 | 富鼎电子科技(嘉善)有限公司 | 压合机构 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1087440A (fr) * | 1953-07-31 | 1955-02-23 | Soudure Elec Languepin | Procédé et dispositif pour l'assemblage à froid de matériaux |
US3465414A (en) * | 1965-10-18 | 1969-09-09 | Albert C Koett | Pneumatic stitcher and method of stitching |
DE2213810C3 (de) * | 1972-03-22 | 1980-09-04 | Jurid Werke Gmbh, 2056 Glinde | Nietpresse |
GB2073079B (en) * | 1980-02-14 | 1984-06-20 | L & H Designs | Fastening apparatus and control systems therefor |
DE3131301A1 (de) * | 1981-08-07 | 1983-02-24 | Siemens AG, 1000 Berlin und 8000 München | "vorrichtung zum verbinden mindestens zweier duennwandiger werkstuecke durch ein scher-quetsch-verfahren" |
EP0077932B1 (de) * | 1981-10-28 | 1984-12-27 | WALTER ECKOLD GmbH & Co. KG Vorrichtungs- und Gerätebau | Vorrichtung zum nietartigen Verbinden von Blechen |
DE3640896A1 (de) * | 1986-11-29 | 1988-06-16 | Eckold Vorrichtung | Verfahren und vorrichtung zum nietartigen verbinden von blechen |
-
1997
- 1997-10-25 DE DE19747267A patent/DE19747267C2/de not_active Expired - Fee Related
-
1998
- 1998-10-14 ES ES98954413T patent/ES2200386T3/es not_active Expired - Lifetime
- 1998-10-14 US US09/331,509 patent/US20020038504A1/en not_active Abandoned
- 1998-10-14 AT AT98954413T patent/ATE240172T1/de not_active IP Right Cessation
- 1998-10-14 CA CA002275976A patent/CA2275976C/en not_active Expired - Fee Related
- 1998-10-14 DE DE59808356T patent/DE59808356D1/de not_active Expired - Lifetime
- 1998-10-14 WO PCT/EP1998/006507 patent/WO1999021668A1/de active IP Right Grant
- 1998-10-14 EP EP98954413A patent/EP0948418B1/de not_active Expired - Lifetime
- 1998-10-14 PL PL33423998A patent/PL187856B1/pl not_active IP Right Cessation
- 1998-10-14 JP JP52312799A patent/JP2001507285A/ja not_active Ceased
- 1998-10-14 AU AU11537/99A patent/AU1153799A/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
CA2275976A1 (en) | 1999-05-06 |
AU1153799A (en) | 1999-05-17 |
EP0948418A1 (de) | 1999-10-13 |
PL187856B1 (pl) | 2004-10-29 |
DE19747267C2 (de) | 1999-08-05 |
DE19747267A1 (de) | 1999-05-06 |
ES2200386T3 (es) | 2004-03-01 |
ATE240172T1 (de) | 2003-05-15 |
CA2275976C (en) | 2006-08-29 |
US20020038504A1 (en) | 2002-04-04 |
JP2001507285A (ja) | 2001-06-05 |
PL334239A1 (en) | 2000-02-14 |
DE59808356D1 (de) | 2003-06-18 |
WO1999021668A1 (de) | 1999-05-06 |
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