EP1114698B1 - Crimping pliers - Google Patents
Crimping pliers Download PDFInfo
- Publication number
- EP1114698B1 EP1114698B1 EP00811141A EP00811141A EP1114698B1 EP 1114698 B1 EP1114698 B1 EP 1114698B1 EP 00811141 A EP00811141 A EP 00811141A EP 00811141 A EP00811141 A EP 00811141A EP 1114698 B1 EP1114698 B1 EP 1114698B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- bearing
- pressing
- carrier plates
- bolt
- pivot arms
- 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
- B21D39/04—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of tubes with tubes; of tubes with rods
- B21D39/048—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of tubes with tubes; of tubes with rods using presses for radially crimping tubular elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
- B25B27/10—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same inserting fittings into hoses
-
- 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
- Y10T29/5367—Coupling to conduit
Definitions
- the invention relates to a pressing tongs for a pressing device for connecting a Pipe section with a press fitting according to the generic term of the independent Claims 1 and 6.
- a pressing device which has a pressing tongs for connecting of a pipe with a press fitting.
- the pressing tongs comprise two Swivel arms, which can be pivoted between two identical T-shaped parts by means of a bolt Carrier plates are hinged.
- the swivel arms are at one end with a Provide contact surface for the system on the press cylinder of the press device. At the opposite end they are as jaws facing each other Press surfaces designed.
- the linkages for the bolts are on the Carrier plates at a distance.
- In the area of the free end of the T-shaped carrier plates is a receptacle of a connecting bolt for connection to the Pressing unit.
- the swivel arms slide with their contact surfaces on Press device along backwards.
- the tensile force is applied to the T-shaped via the connecting bolt Transfer carrier plates.
- the swivel arms pivot around the Bearing pins and the press jaws are moved against each other and pressed together.
- a disadvantage of this pressing tongs is that the Swivel jaws free around the bearing bolts opposite the T-shaped support plates are pivotable. Therefore, the swivel jaws can move longitudinally against each other shift a certain amount. This causes the Clamping jaws and thus the actual clamping surfaces against each other in the longitudinal direction can be slightly shifted. This then results in an inaccurate pressing of the fitting with the pipe. There is also a risk that the fitting and / or pipe at the start of the Injection can be damaged so that a sealing connection is not guaranteed is.
- the object of the invention is to provide a pressing tongs of the type mentioned, which a prevents inaccurate commencement of the pressing and the resulting disadvantages overcomes.
- FIG. 1 shows a press device with associated, interchangeable press tongs shown.
- the pressing device 2 comprises a drive unit and a connection unit to connect with a crimping pliers 1.
- the connection unit consists of two Holding plates 22.
- the pressing tongs 1 with their two T-shaped carrier plates 11, 11 ' inserted between the holding plates 22.
- a connecting pin 22 through the holding plates and a receiving opening 112 on the T-shaped carrier plates 11, 11 'pushed through and secured.
- the press device is now ready for use.
- the pressing tongs 1 arrive with their two swivel arms 12 when actuated Contact surfaces 23 on the device 2 for contact. When pulling the crimping tool further 1, the swivel arms 12 are pushed sideways outward and thus the pressure completed.
- the pressing tongs 1 are shown in more detail in FIG. It refers to one according to the prior art.
- the pressing tongs 1 consist of two T-shaped ones Carrier plates 11, 11 '.
- the carrier plates 11, 11 'each have one on the side of the beam Bolt bearing 113, 113 '.
- the receiving opening 112 is located at the free end for receiving the connecting bolt 21.
- the swivel arms 12, 12 ' are between the two T-shaped support plates 11, 11 'pivotally supported by one each Bearing pins 13, 13 ', which are held in the pin bearings 113 113'.
- the Swivel arms 12, 12 ' form jaws 14, 14' in the front part, which have opposing pressing surfaces 15, 15 '.
- the pressing surfaces 15, 15 ' form an opening in the closed state of the pressing tongs, which is approximately the same Diameter of the pipes to be pressed, respectively.
- Connection sleeves corresponds. This Opening is limited by front end edges 16 and rear end edges 17. in the when closed, the front edges of both jaws lie on top of each other.
- the Bearing bolts 13 can be secured to the T-shaped support plates by means of retaining rings 131 11, 11 'be secured.
- both swivel arms (12, 12 ') are now by means of one Active connection so connected that it is compulsorily even and opposite are pivotable.
- the active connection of the two swivel arms (12, 12 ') consists of nearly interlocking driver elements.
- FIG Exploded view of Figure 3 clearly visible.
- the swivel arms are now according to the invention each provided with a storage area 18, 18 '.
- the storage area is located on an imaginary connecting line between the swivel bearings 132 through which the bearing bolts 13 are guided.
- Each storage area includes one Half of a bearing for a guide pin 183.
- This bearing includes one Bearing shell 182, 182 ', each of the guide pin 183 by less than half embraces. This is necessary because the swivel arms 12, 12 'when actuated by the Swivel bearing 132 are pivoted and thus a little around Turn guide pin 183.
- the guide pin has the two bearing areas 18, 18 ' and so that the swivel arms 12, 12 'rotatably connect each other, so both Swing arms forcibly swung evenly and in opposite directions.
- the guide pin 183 the pivoting movements of the pivot arms 12, 12 ' leads symmetrically.
- the clamping jaws 14, 14 'with the pressing surfaces 15, 15 ' also pivoted exactly symmetrically and each pressing takes place in the same way accuratly.
- the Guide pin When the swivel arms 12, 12 'are actuated, the Guide pin relative to the T-shaped support plates 11, 11 'in the longitudinal direction somewhat moved backwards or forwards. Therefore, it must not be fixed to the carrier plates 11, 11 'be connected. It is therefore provided with the smoothest possible end faces so that it as smoothly as possible on the inner surfaces of the T-shaped carrier plates slides.
- the bearing areas 18, 18 ' provided with pin guide surfaces 185 between the bearing shells 182, 182 '.
- the Guide pin 183 now has shoulders 1831, which form stop surfaces 1832.
- the guide pin 183 is now held rotatably in the bearing shells 182, 182 ', wherein he with his stop surfaces 1832 from the pin guide surfaces 185 through Striking is performed.
- the guide pin 183 is so short that it is in the Storage area is kept properly and not in contact with its end faces can come with the inner surfaces of the T-shaped support plates 11, 11 '.
- a further improvement of the pressing tongs is achieved by using an expansion spring 184 reached. It is now possible to design the spreading spring 184 as a spiral spring, which the guide pin 183 at least partially, preferably several times.
- the Spreading spring 184 as a spiral spring made of spring steel wire holds an extraordinarily large number Stress cycles stand and do not tend to break. It is also on the guide pin 183 perfectly stored and well managed.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing Of Electrical Connectors (AREA)
- Hand Tools For Fitting Together And Separating, Or Other Hand Tools (AREA)
- Manipulator (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
- Surgical Instruments (AREA)
Abstract
Description
Die Erfindung betrifft eine Presszange für ein Pressgerät zum Verbinden eines
Rohrabschnittes mit einem Pressfitting nach dem Oberbegriff der unabhängigen
Patentansprüche 1 und 6.The invention relates to a pressing tongs for a pressing device for connecting a
Pipe section with a press fitting according to the generic term of the
Aus DE 196 31 019 ist ein Pressgerät bekannt, welches eine Presszange zum Verbinden eines Rohres mit einem Pressfitting umfasst. Die Presszange umfasst zwei Schwenkarme, welche mittels je einem Bolzen schwenkbar zwischen zwei gleichen T-förmigen Trägerplatten angelenkt sind. Die Schwenkarme sind an einem Ende mit einer Anlagefläche für die Anlage am Presszylinder des Pressgerätes versehen. Am gegenüberliegenden Ende sind sie als Klemmbacken mit zueinander gerichteten Pressflächen ausgestaltet. Die Anlenkungen für die Bolzen befinden sich an den Trägerplatten im Abstand. Im Bereich des freien Endes der T-förmigen Trägerplatten befindet sich eine Aufnahme eines Verbindungsbolzens zur Verbindung mit dem Pressgerät. Beim Einsatz dieses Gerätes wird nun die Presszange nach hinten zum Pressgerät gezogen. Dabei gleiten die Schwenkarme mit ihren Anlageflächen am Pressgerät entlang nach hinten. Die Zugkraft wird über den Verbindungsbolzen auf die T-förmigen Trägerplatten übertragen. Dadurch schwenken die Schwenkarme um die Lagerbolzen und die Pressbacken werden gegeneinander bewegt und zusammengedrückt. Ein Nachteil dieser Presszange besteht darin, dass die Schwenkbacken um die Lagerbolzen gegenüber den T-förmigen Trägerplatten frei schwenkbar sind. Daher können sich die Schwenkbacken gegeneinander längs um ein gewisses Mass verschieben. Dies bewirkt, dass beim Beginn einer Verpressung die Klemmbacken und damit die eigentlichen Klemmflächen gegeneinander in Längsrichtung etwas verschoben sein können. Dies ergibt dann eine ungenaue Verpressung des Fittings mit dem Rohr. Zudem besteht die Gefahr, dass Fitting und/oder Rohr beim Beginn der Verpressung so beschädigt werden, dass eine dichtende Verbindung nicht gewährleistet ist. From DE 196 31 019 a pressing device is known which has a pressing tongs for connecting of a pipe with a press fitting. The pressing tongs comprise two Swivel arms, which can be pivoted between two identical T-shaped parts by means of a bolt Carrier plates are hinged. The swivel arms are at one end with a Provide contact surface for the system on the press cylinder of the press device. At the opposite end they are as jaws facing each other Press surfaces designed. The linkages for the bolts are on the Carrier plates at a distance. In the area of the free end of the T-shaped carrier plates is a receptacle of a connecting bolt for connection to the Pressing unit. When using this device, the crimping pliers now turn backwards Press tool pulled. The swivel arms slide with their contact surfaces on Press device along backwards. The tensile force is applied to the T-shaped via the connecting bolt Transfer carrier plates. As a result, the swivel arms pivot around the Bearing pins and the press jaws are moved against each other and pressed together. A disadvantage of this pressing tongs is that the Swivel jaws free around the bearing bolts opposite the T-shaped support plates are pivotable. Therefore, the swivel jaws can move longitudinally against each other shift a certain amount. This causes the Clamping jaws and thus the actual clamping surfaces against each other in the longitudinal direction can be slightly shifted. This then results in an inaccurate pressing of the fitting with the pipe. There is also a risk that the fitting and / or pipe at the start of the Injection can be damaged so that a sealing connection is not guaranteed is.
Aus DE 297 03 053 U ist eine weitere Presszange bekannt. Die beiden Schwenkarme sind mit einer Wirkverbindung versehen, damit sie zwangsweise gleichmässig gegeneinander schwenkbar sind. Aehnliche Ansätze sind auch aus WO 98 40178 A, DE 198 554 943 A und GB-A-1 179 929 bekannt. Another pressing tongs are known from DE 297 03 053 U. The two swivel arms are provided with an active connection so that they are forcibly even are pivotable against each other. Similar approaches are also from WO 98 40178 A, DE 198 554 943 A and GB-A-1 179 929.
Aufgabe der Erfindung ist es, eine Presszange genannter Art anzugeben, welche ein ungenauer Beginn der Verpressung verhindert und die dadurch entstehenden Nachteile überwindet.The object of the invention is to provide a pressing tongs of the type mentioned, which a prevents inaccurate commencement of the pressing and the resulting disadvantages overcomes.
Diese Aufgabe wird durch die in den Patentansprüchen angegebene Erfindung gelöst.This object is achieved by the invention specified in the patent claims.
Die Erfindung wird nachstehend im Zusammenhang mit den Zeichnungen beschrieben.The invention is described below in connection with the drawings.
Es zeigen:
Figur 1- ein Pressgerät mit einer Presszange gemäss Erfindung;
Figur 2- eine Presszange nach Stand der Technik in Aufsicht;
- Figur 3 und
- eine erfindungsgemässe Presszange als Explosionszeichneung
- Figur 4
- eine besondere Ausführung des Zentrierbolzens
- Figure 1
- a pressing device with a pressing tongs according to the invention;
- Figure 2
- a pressing tongs according to the prior art in supervision;
- Figure 3 and
- an inventive crimping tool as an exploded view
- Figure 4
- a special version of the centering pin
In der Figur 1 ist ein Pressgerät mit zugehöriger, auswechselbarer Presszange in Ansicht
dargestellt. Das Pressgerät 2 umfasst eine Antriebseinheit und eine Verbindungseinheit
zum Verbinden mit einer Presszange 1. Die Verbindungseinheit besteht aus zwei
Halteplatten 22. Die Presszange 1 wird mit ihren zwei T-förmigen Trägerplatten 11, 11'
zwischen die Halteplatten 22 eingeschoben. Alsdann wird ein Verbindungsbolzen 22
durch die Halteplatten und eine Aufnahmeöffnung 112 an den T-förmigen Trägerplatten
11, 11' durchgestossen und gesichert. Das Pressgerät ist somit zur Verwendung bereit.
Die Presszange 1 kommt bei Betätigung mit ihren beiden Schwenkarmen 12 an
Anlageflächen 23 am Gerät 2 zum anliegen. Beim weiteren Zurückziehen der Presszange
1 werden die Schwenkarme 12 nach seitwärts aussen gestossen und damit die Pressung
vollzogen.FIG. 1 shows a press device with associated, interchangeable press tongs
shown. The
In der Figur 2 ist die Presszange 1 mehr detailliert dargestellt. Dabei handelt es sich um
eine solche nach dem Stand der Technik. Die Presszange 1 besteht aus zwei T-förmigen
Trägerplatten 11, 11'. Die Trägerplatten 11, 11' weisen am Balkenteil seitlich je eine
Bolzenlagerung 113, 113' auf. Am freien Ende befindet sich die Aufnahmeöffnung 112
zur Aufnahme des Verbindungsbolzens 21. Die Schwenkarme 12, 12' sind zwischen den
beiden T-förmigen Trägerplatten 11, 11' schwenkbar gelagert mittels je einem
Lagerbolzen 13, 13', welche in den Bolzenlagerungen 113 113' gehalten sind. Die
Schwenkarme 12, 12' bilden im vorderen Teil Klemmbacken 14, 14', welche
gegeneinander gerichtete Pressflächen 15, 15' aufweisen. Die Pressflächen 15, 15'
bilden im geschlossenen Zustand der Presszange eine Oeffnung, welche annähernd dem
Durchmesser der zu verpressenden Rohre resp. Verbindungsmuffen entspricht. Diese
Oeffnung ist durch vordere Stirnkanten 16 und hintere Stirnkanten 17 begrenzt. Im
geschlossenen Zustand liegen die Stirnkanten beider Klemmbacken aufeinander. Die
Lagerbolzen 13 können mittels Sicherungsringen 131 an den T-förmigen Trägerplatten
11, 11' gesichert sein.The
Erfindungsmässig werden nun beide Schwenkarme (12, 12') mittels einer Wirkverbindung so verbunden, dass sie zwangweise gleichmässig und gegensinnig schwenkbar sind. Die Wirkverbindung der beiden Schwenkarme (12,12') besteht aus annähernd formschlüssig ineinandergreifenden Mitnehmer-Elementen.According to the invention, both swivel arms (12, 12 ') are now by means of one Active connection so connected that it is compulsorily even and opposite are pivotable. The active connection of the two swivel arms (12, 12 ') consists of nearly interlocking driver elements.
Wie die Elemente der Presszange 1 zusammengefügt werden ist aus der
Explosionzeichung der Figur 3 gut ersichtlich. Die Schwenkarme sind nun
erfindungsgemäss mit je einem Lagerbereich 18, 18' versehen. Der Lagerbereich
befindet sich etwa auf einer gedachten Verbindungslinie zwischen den Schwenklagern
132, durch welche die Lagerbolzen 13 geführt werden. Jeder Lagerbereich umfasst eine
Hälfte einer Lagerung für einen Führungsbolzen 183. Diese Lagerung umfasst eine
Lagerschale 182, 182', welche den Führungsbolzen 183 je um weniger als die Hälfte
umfängt. Die ist notwendig, da die Schwenkarme 12, 12' bei der Betätigung um die
Schwenklager 132 geschwenkt werden und sich damit ein wenig um den
Führungsbolzen 183 drehen. Da der Führungsbolzen die beiden Lagerbereiche 18, 18'
und damit die Schwenkarme 12, 12' drehbar gegeneinander verbindet, so werden beide
Schwenkarme zwangsweise gleichmässig und gegensinnig geschwenkt. Dies bedeutet,
dass der Führungsbolzen 183 die Schwenkbewegungen der Schwenkarme 12, 12'
symmetrisch führt. Somit werden die Klemmbacken 14, 14' mit den Pressflächen 15,
15' ebenfalls exakt symmetrisch geschwenkt und jeder Verpressung erfolgt gleich
präziese.How the elements of the
Bei der Betätigung der Schwenkarme 12, 12' wird aus geometrischen Gründen der
Führungsbolzen gegenüber den T-förmigen Trägerplatten 11, 11' in Längsrichtung etwas
nach hinten oder vorne verschoben. Daher darf er nicht fest mit den Trägerplatten 11,
11' verbunden sein. Er ist daher mit möglichst glatten Stirnflächen versehen, damit er
möglichst reibungslos an den inneren Oberflächen der T-förmigen Trägerplatten
entlanggleitet. In einer verbesserten Ausführungsform sind die Lagerbereiche 18, 18'
mit Bolzenführungsflächen 185 zwischen den Lagerschalen 182, 182' versehen. Der
Führungsbolzen 183 weist nun Absätze 1831 auf, welche Anschlagflächen 1832 bilden.
Der Führungsbolzen 183 ist nun in den Lagerschalen 182, 182' drehbar gehalten, wobei
er mit seinen Anschlagflächen 1832 von den Bolzenführungsflächen 185 durch
Anschlagen geführt wird. Der Führungsbolzen 183 wird so kurz ausgeführt, dass er im
Lagerbereich einwandfrei gehalten ist und dabei mit seinen Stirnseiten nicht in Berührung
mit den inneren Oberflächen der T-förmigen Trägerplatten 11, 11' kommen kann.When the
Eine weitere Verbesserung der Presszange wird durch Einsetzten einer Spreizfeder 184
erreicht. Es ist nun möglich, die Spreizfeder 184 als Spiralfeder auszugestalten, welche
den Führungsbolzen 183 mindestens teilweise, vorzugsweise mehrmals, umfängt. Die
Spreizfeder 184 als Spiralfeder aus Federstahldraht hält ausserordentlich vielen
Belastungszyklen stand und neigt nicht zum brechen. Zudem ist sie am Führungsbolzen
183 einwandfrei gelagert und ausgezeichnet geführt.A further improvement of the pressing tongs is achieved by using an
Claims (3)
- A pressing pincer for a pressing apparatus for connecting a tube section to a press fitting, consisting of two pivot arms (12, 12') which between two T-shaped carrier plates (11), on two bearing bolts (13, 13') which are arranged at a distance (A) from one another and which in each case pass through a pivot arm (12, 12'), are pivotably connected to the carrier plates and wherein the pivot arms (12, 12') are formed with clamping jaws (14, 14') with pressing surfaces (15, 15'), characterised in that both pivot arms (12, 12') at locations lying opposite one another between the bearing bolts (13, 13') in each case comprise a bearing region (18, 18') which are at least partly formed as bearing shells (182, 182'), and that between the bearing regions (18, 18') a parallel guide bolt (183) is mounted in the bearing shells (182, 182') such that with respect to the pivot arms (12, 12') it is rotatably movable, and without contact is longitudinally displaceable with respect to the T-shaped carrier plates (11) in that the bearing shells (182, 182') are provided with bolt guide surfaces (185) and the parallel guide bolt (183) comprises shoulders (1813) and bearing surfaces (1832) which loosely bear on the bolt guide surfaces (185) of the bearing regions (182, 182').
- A pressing pincer according to claim 1, characterised in that a bracing spring (184) is present between the two pivot arms (12, 12') which is designed as a spiral spring and at least embraces the parallel guide bolt (is wound at least once around the parallel guide bolt).
- A pressing pincer according to claim 2, characterised in that each bearing shell (182, 182') embraces the parallel guide bolt (183) by less than half its circumference.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH27002000 | 2000-01-07 | ||
CH272000 | 2000-01-07 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1114698A2 EP1114698A2 (en) | 2001-07-11 |
EP1114698A3 EP1114698A3 (en) | 2002-01-16 |
EP1114698B1 true EP1114698B1 (en) | 2003-08-27 |
Family
ID=4240071
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00811141A Expired - Lifetime EP1114698B1 (en) | 2000-01-07 | 2000-12-01 | Crimping pliers |
Country Status (5)
Country | Link |
---|---|
US (1) | US6434998B2 (en) |
EP (1) | EP1114698B1 (en) |
AT (1) | ATE248045T1 (en) |
DE (1) | DE50003436D1 (en) |
ES (1) | ES2202030T3 (en) |
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EP3231528B1 (en) * | 2016-04-12 | 2019-02-27 | Geberit International AG | Pressing device with a bolt fixing |
EP3513912A1 (en) * | 2018-01-22 | 2019-07-24 | Von Arx AG | Manually guided press device |
KR101911507B1 (en) * | 2018-05-03 | 2018-10-24 | 주식회사 다성테크 | Connection device and apparatus for press-connecting pipes using the same |
EP3610988B1 (en) * | 2018-08-17 | 2021-12-22 | Geberit International AG | Pressing device with centred bolt fixing |
US10960473B2 (en) | 2018-08-22 | 2021-03-30 | Milwaukee Electric Tool Corporation | Rebar cutting tool |
EP3639941A1 (en) * | 2018-10-19 | 2020-04-22 | Von Arx AG | Pressing device with sensor system for identification of a work piece |
KR102461999B1 (en) * | 2020-06-30 | 2022-10-31 | 박진우 | projection cutting device |
USD1025732S1 (en) * | 2023-08-03 | 2024-05-07 | Qing Dai | Hydraulic tool |
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US2253906A (en) * | 1940-01-11 | 1941-08-26 | Lehman Marshall | Metal bead bender |
US2359696A (en) * | 1942-02-21 | 1944-10-03 | Turtle Rupert Clifford | Means for effecting dimpling operations |
US2684004A (en) * | 1950-08-11 | 1954-07-20 | Aircraft Marine Prod Inc | Tool for crimping electrical connectors |
US3120772A (en) * | 1961-01-25 | 1964-02-11 | Amp Inc | Crimping tool |
US3323346A (en) * | 1965-01-08 | 1967-06-06 | Etc Inc | Fluid-actuated hand tool |
GB1179929A (en) * | 1967-04-11 | 1970-02-04 | Etc Inc | Fluid-Actuated Hand Tool. |
DE3129204A1 (en) * | 1981-07-24 | 1983-02-10 | Hackforth GmbH & Co KG, 4690 Herne | "ASSEMBLY DEVICE FOR TENSIONING PIPE CONNECTIONS" |
DE9314054U1 (en) * | 1992-11-10 | 1993-11-25 | Geberit Ag, Jona, St.Gallen | Crimping pliers for pressing pipe connections |
CH688470A5 (en) | 1994-11-16 | 1997-10-15 | Pamag Ag | Pressing tool. |
DE29602240U1 (en) | 1996-02-09 | 1997-06-19 | Novopress GmbH Pressen und Presswerkzeuge & Co KG, 41460 Neuss | Pressing device |
US5839316A (en) * | 1996-05-31 | 1998-11-24 | The Whitaker Corporation | Hand-held crimping tool |
US6035775A (en) * | 1997-02-21 | 2000-03-14 | Novopres Gmbh Pressen Und Presswerkzeuge & Co. Kg | Pressing device having a control device adapted to control the pressing device in accordance with a servocontrol system of the control device |
DE29703053U1 (en) * | 1997-02-21 | 1997-04-10 | Novopress GmbH Pressen und Presswerkzeuge & Co KG, 41460 Neuss | Pressing device |
WO1998040178A1 (en) * | 1997-03-11 | 1998-09-17 | Gustav Klauke Gmbh | Pressing tool |
DE19854943B4 (en) * | 1998-05-28 | 2010-05-12 | Gustav Klauke Gmbh | Pressing tool for connection to a drive |
CH690063A5 (en) * | 1999-02-11 | 2000-04-14 | Arx Ag | Pressure tool for connecting tubular workpieces to yoke-shaped holder |
EP1092487A3 (en) * | 1999-10-15 | 2004-08-25 | Gustav Klauke GmbH | Pressing tool with pressure jaws |
-
2000
- 2000-12-01 AT AT00811141T patent/ATE248045T1/en not_active IP Right Cessation
- 2000-12-01 DE DE50003436T patent/DE50003436D1/en not_active Expired - Lifetime
- 2000-12-01 EP EP00811141A patent/EP1114698B1/en not_active Expired - Lifetime
- 2000-12-01 ES ES00811141T patent/ES2202030T3/en not_active Expired - Lifetime
-
2001
- 2001-01-08 US US09/756,544 patent/US6434998B2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE50003436D1 (en) | 2003-10-02 |
US20010013243A1 (en) | 2001-08-16 |
ATE248045T1 (en) | 2003-09-15 |
US6434998B2 (en) | 2002-08-20 |
EP1114698A2 (en) | 2001-07-11 |
EP1114698A3 (en) | 2002-01-16 |
ES2202030T3 (en) | 2004-04-01 |
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