EP1149666A2 - Plier like combination tool - Google Patents

Plier like combination tool Download PDF

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Publication number
EP1149666A2
EP1149666A2 EP01810278A EP01810278A EP1149666A2 EP 1149666 A2 EP1149666 A2 EP 1149666A2 EP 01810278 A EP01810278 A EP 01810278A EP 01810278 A EP01810278 A EP 01810278A EP 1149666 A2 EP1149666 A2 EP 1149666A2
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EP
European Patent Office
Prior art keywords
mandrels
tool according
cutting edges
axis
mandrel
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP01810278A
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German (de)
French (fr)
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EP1149666A3 (en
EP1149666B1 (en
Inventor
Werner Tanner
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Geberit Technik AG
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Geberit Technik AG
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Publication of EP1149666A2 publication Critical patent/EP1149666A2/en
Publication of EP1149666A3 publication Critical patent/EP1149666A3/en
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    • 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
    • B25B7/00—Pliers; Other hand-held gripping tools with jaws on pivoted limbs; Details applicable generally to pivoted-limb hand tools
    • B25B7/06—Joints
    • B25B7/08—Joints with fixed fulcrum
    • 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
    • B25B7/00—Pliers; Other hand-held gripping tools with jaws on pivoted limbs; Details applicable generally to pivoted-limb hand tools
    • B25B7/02—Jaws
    • 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
    • B25B7/00—Pliers; Other hand-held gripping tools with jaws on pivoted limbs; Details applicable generally to pivoted-limb hand tools
    • B25B7/06—Joints

Definitions

  • the invention relates to a plier-like combination tool to carry out assembly work on pipes, with two pliers legs, which are pivotable relative to one another about an axis of articulation and with a mandrel designed as an axis extension for calibration and chamfering pipe ends.
  • a combination tool of the type mentioned is in the prior art Technology from DE 196 49 992 C 2 become known.
  • Such combination tools are used especially for installing water pipes used a plastic-coated metal pipe have, which is surrounded by a corrugated protective tube.
  • the one effective area of the combination tool the protective tube and with a second effective range severed the metal tube. So that the machined metal pipe at one end in particular by means of a press connection can be connected, this pipe end must be calibrated and be chamfered. With the calibration a pipe is straightened, that was slightly deformed when cut. By chamfering chips are to be removed. Precise machining of the pipe ends by calibrating and chamfering with press connections extremely important, because deformed pipe ends and not removed chips to a leak in the connection and with it can lead to high structural damage.
  • the above combination tool has a calibration and Chamfering mandrel, which is designed as an axis extension and the a front area for a small pipe inside diameter and a rear area for a larger pipe diameter having. Both areas of the mandrel are to be chamfered with several Provide cutting.
  • the invention has for its object a combination tool the kind mentioned to create an even simpler and allows more precise machining of pipe ends.
  • the task is with a generic combination tool solved in that both ends of the hinge axis each as Thorn are designed and these thorns for processing different Tube inner diameter are formed.
  • the small Dorn the distances between the cutting edges and the calibration surfaces to the center plane of the tool much shorter than before. This has the main advantage that this mandrel when machining the pipe ends guided more precisely and in particular less is tilted. This is especially true for the cutting edges in the combination tool according to the invention very close to the Middle plane of the tool can be arranged. The smaller one Dorn can thus be used more precisely and easily, what overall results in a simpler and also faster processing.
  • the two mandrels interconnected and they form the hinge axis, so results a particularly inexpensive and structurally elegant production of the combination tool.
  • the Mandrels each have several cutting edges and several cutting edges.
  • the combination tool is around the axis of the mandrels oscillating back and forth. This enables one much faster processing than with the known tool, for chamfering only in one direction, for example is turned clockwise. The handling is like this also much easier.
  • a circumferential flute is arranged around the cutting edges. At the The chips are chamfered in this flute and can be essential safer to avoid chips remaining in the pipe. Such chips can cause leaks to lead.
  • the combination tool 1 has two each with a handle 4 or 5 provided pliers legs 2 and 3, which about a hinge axis 6 are pivotable to each other.
  • Jaws 7 and 8 form a front effective area A and one rear effective area B.
  • the effective area A has two processing parts 9 interchangeable with mounting screws 10 the jaws 7 and 8 are attached. With these parts 9 a Cut corrugated tube, not shown here, in a manner known per se become.
  • the other effective area B is used for cutting of composite pipes and is by a cutting knife 11 and by two support parts 12 formed.
  • a to be cut and shown in Fig. 2 only indicated tube 30 is open when the tool is open the support parts 12 placed. When you close the tool, it will Cut the tube from the cutting knife 11.
  • the two mandrels 15 and 16 form the hinge axis 6.
  • a threaded blind bore 17 are in the mandrel 16 and a through hole (18) is machined into the mandrel 15.
  • a cap screw 19 engages in these two bores 17 and 18 and thus firmly connects the two mandrels 15 and 16 to one another.
  • the mandrels 15 and 16 each have an inside Approach 23 and 24, each at a distance from a shoulder 28 and 29 are designed as a square.
  • the passages 31 are in the Area of the pliers leg 2 corresponding to the square, such that the pliers leg 2 with rotation the thorns 15 and 16 is connected. In the area of the pliers leg 3, the passages 31 are circular.
  • the pliers leg 3 is thus pivotally mounted on the hinge axis 6.
  • the Pliers leg 3 is also flat on the shoulders 28, 3 shows.
  • the mandrels 15 and 16 each have a cylindrical one Shell surface 33 and 34 respectively. These surfaces are 33 and 34 each arranged on a head 20 or 21, for calibration is inserted into a pipe end. Calibrating a pipe end is known per se and need not be explained again here.
  • each of the two mandrels 15 and 16 has several recesses 25, each with two opposite cutting edges Form 26 and 27. Between the cutting edges 26 and 27 and the Shell surfaces 33 and 34 are each a circumferential flute 22 arranged. Chips released during chamfering get into each one of the corresponding flutes 22.
  • the distances between the cutting edges 26 and 27 with both mandrels 15 and 16 to the central plane C the same and comparatively short. These short distances are for leadership and handling of the two mandrels 15 and 16 during calibration and essential especially when chamfering. For handling is also advantageous that when turning the tool for chamfering in is cut in both directions. In one direction it is the cutting edges 26 and the cutting edges in the other direction 27. One cutting is then pre-cutting and the other Cutting back cutting. This enables chamfering with a oscillating movement about the axis of rotation of the hinge axis 6.
  • the calibration and chamfering is preferably carried out with the closed Tool as shown in Fig. 1. So that the two Legs 2 and 3 remain closed, a latch 13 is provided, which is pivotally attached to the pliers leg 2 about an axis 14 and in the locking position on one side surface 35 of the pliers leg 3 creates.
  • the latch 13 is in the closed position is preferably fixed in a jam-proof manner that the tool 1 does not open unintentionally.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
  • Turning (AREA)
  • Milling Processes (AREA)

Abstract

The pliers type combination tool has two legs (2,3) pivotable relatively to each other around an articulation axis (6). As extensions to the axis are two mandrels (15,16), one at each end, for calibrating and bevelling pipe ends. The mandrels are formed for processing different pipe diameters. The two mandrels are connected to each other, thus forming the articulated axis. The connection between them is an axially extending screw (19). At least one of them has peripheral bevelling cutters (26,27) formed by radial recesses (25), each recess forming a front and a rear cutter. Viewed in an axial direction, in front of the bevelling cutters is an all-round swarf groove (22).

Description

Die Erfindung betrifft ein zangenartiges Kombinationswerkzeug zur Durchführung von Montagearbeiten an Rohren, mit zwei Zangenschenkeln, die um eine Gelenkachse zueinander verschwenkbar sind und mit einem als Achsverlängerung gestalteter Dorn zum Kalibrieren und Anfasen von Rohrenden.The invention relates to a plier-like combination tool to carry out assembly work on pipes, with two pliers legs, which are pivotable relative to one another about an axis of articulation and with a mandrel designed as an axis extension for calibration and chamfering pipe ends.

Ein Kombinationswerkzeug der genannten Art ist im Stand der Technik aus der DE 196 49 992 C 2 bekannt geworden. Solche Kombinationswerkzeuge werden insbesondere zum Installieren von Wasserleitungen verwendet, die ein kunststoffbeschichtetes Metallrohr aufweisen, das von einem gewellten Schutzrohr umgeben ist. Beim Installieren wird mit dem einen Wirkbereich des Kombinationswerkzeuges das Schutzrohr und mit einem zweiten Wirkbereich das Metallrohr durchgetrennt. Damit das bearbeitete Metallrohr an seinem einen Ende insbesondere mittels einer Pressverbindung angeschlossen werden kann, muss dieses Rohrende kalibriert- und angefast werden. Mit dem Kalibrieren wird ein Rohr gerichtet, das beim Durchschneiden leicht deformiert wurde. Durch Anfasen sollen Späne entfernt werden. Eine exakte Bearbeitung der Rohrenden durch Kalibrieren- und Anfasen ist bei Pressverbindungen ausserordentlich wichtig, da deformierte Rohrenden und nicht entfernte Späne zu einer Undichtigkeit der Verbindung und damit zu hohen Bauschäden führen können.A combination tool of the type mentioned is in the prior art Technology from DE 196 49 992 C 2 become known. Such combination tools are used especially for installing water pipes used a plastic-coated metal pipe have, which is surrounded by a corrugated protective tube. When installing, the one effective area of the combination tool the protective tube and with a second effective range severed the metal tube. So that the machined metal pipe at one end in particular by means of a press connection can be connected, this pipe end must be calibrated and be chamfered. With the calibration a pipe is straightened, that was slightly deformed when cut. By chamfering chips are to be removed. Precise machining of the pipe ends by calibrating and chamfering with press connections extremely important, because deformed pipe ends and not removed chips to a leak in the connection and with it can lead to high structural damage.

Damit unterschiedliche Rohrdurchmesser bearbeitet werden können, weist das obengenannte Kombinationswerkzeug einen Kalibrier- und Anfasdorn auf, der als Achsverlängerung gestaltet ist und der einen vorderen Bereich für einen kleinen Rohrinnendurchmesser und einen hinteren Bereich für einen grösseren Rohrdurchmesser aufweist. Zum Anfasen sind beide Bereiche des Dornes mit mehreren Schneiden versehen.So that different pipe diameters can be processed, the above combination tool has a calibration and Chamfering mandrel, which is designed as an axis extension and the a front area for a small pipe inside diameter and a rear area for a larger pipe diameter having. Both areas of the mandrel are to be chamfered with several Provide cutting.

Der Erfindung liegt die Aufgabe zugrunde, ein Kombinationswerkzeug der genannten Art zu schaffen, das ein noch einfacheres und exakteres Bearbeiten von Rohrenden ermöglicht.The invention has for its object a combination tool the kind mentioned to create an even simpler and allows more precise machining of pipe ends.

Die Aufgabe ist bei einem gattungsgemässen Kombinationswerkzeug dadurch gelöst, dass beide Enden der Gelenkachse jeweils als Dorn gestaltet sind und diese Dorne für die Bearbeitung unterschiedlicher Rohrinnendurchmesser ausgebildet sind.The task is with a generic combination tool solved in that both ends of the hinge axis each as Thorn are designed and these thorns for processing different Tube inner diameter are formed.

Beim erfindungsgemässen Kombinationswerkzeug sind beim kleinen Dorn die Abstände der Anfasschneiden sowie der Kalibrierflächen zur Mittelebene des Werkzeuges wesentlich kürzer als bisher. Dies hat den wesentlichen Vorteil, dass dieser Dorn beim Bearbeiten der Rohrenden präziser geführt und insbesondere weniger verkantet wird. Dies gilt insbesondere für die Schneiden, die beim erfindungsgemässen Kombinationswerkzeug sehr nahe bei der Mittelebene des Werkzeuges angeordnet werden können. Der kleinere Dorn kann somit präziser und einfacher eingesetzt werden, was insgesamt eine einfachere und auch schnellere Bearbeitung ergibt.In the combination tool according to the invention, the small Dorn the distances between the cutting edges and the calibration surfaces to the center plane of the tool much shorter than before. This has the main advantage that this mandrel when machining the pipe ends guided more precisely and in particular less is tilted. This is especially true for the cutting edges in the combination tool according to the invention very close to the Middle plane of the tool can be arranged. The smaller one Dorn can thus be used more precisely and easily, what overall results in a simpler and also faster processing.

Sind gemäss einer Weiterbildung der Erfindung die beiden Dorne miteinander verbunden und bilden sie die Gelenkachse, so ergibt sich eine besonders kostengünstige und konstruktiv elegante Herstellung des Kombinationswerkzeuges.According to a further development of the invention, the two mandrels interconnected and they form the hinge axis, so results a particularly inexpensive and structurally elegant production of the combination tool.

Nach einer Weiterbildung der Erfingung ist vorgesehen, dass die Dorne jeweils mehrere vor- und mehrere Rückschneiden aufweisen. Beim Anfasen wird das Kombinationswerkzeug um die Achse der Dorne oszillierend hin und her verschwenkt. Dies ermöglicht eine wesentlich schnellere Bearbeitung als mit dem bekannten Werkzeug, bei dem zum Anfasen immer nur in einer Richtung, beispielsweise im Uhrzeigersinn gedreht wird. Die Handhabung ist so auch wesentlich einfacher.After further development of the invention, it is provided that the Mandrels each have several cutting edges and several cutting edges. When chamfering, the combination tool is around the axis of the mandrels oscillating back and forth. This enables one much faster processing than with the known tool, for chamfering only in one direction, for example is turned clockwise. The handling is like this also much easier.

Nach einer Weiterbildung der Erfindung ist vorgesehen, dass vor den Anfasschneiden eine umlaufende Spannut angeordnet ist. Beim Anfasen gelangen die Späne in diese Spannut und damit kann wesentlich sicherer vermieden werden, dass Späne im Rohr zurückbleiben. Solche zurückbleibende Späne können zu Undichtigkeit führen.According to a development of the invention, it is provided that a circumferential flute is arranged around the cutting edges. At the The chips are chamfered in this flute and can be essential safer to avoid chips remaining in the pipe. Such chips can cause leaks to lead.

Weitere vorteilhafte Merkmale ergeben sich aus den abhängigen Patentansprüchen, der nachfolgenden Beschreibung sowie der Zeichnung.Further advantageous features result from the dependent ones Claims, the description below and the Drawing.

Ein Ausführungsbeispiel der Erfindung wird nachfolgend anhand der Zeichnung näher erläutert. Es zeigen:

  • Fig. 1 eine Ansicht eines erfindungsgemässen Kombinationswerkzeuges,
  • Fig. 2 eine weitere Ansicht des Kombinationswerkzeuges,
  • Fig. 3 ein Teilschnitt entlang der Linie III-III der Figur 1, und
  • Fig. 4 eine teilweise geschnittene Ansicht eines Dorns.
    • An embodiment of the invention is explained below with reference to the drawing. Show it:
  • 1 is a view of a combination tool according to the invention,
  • 2 shows a further view of the combination tool,
  • Fig. 3 is a partial section along the line III-III of Figure 1, and
  • Fig. 4 is a partially sectioned view of a mandrel.

    • Das Kombinationswerkzeug 1 weist zwei jeweils mit einem Griff 4 bzw. 5 versehene Zangenschenkel 2 und 3 auf, die um eine Gelenkachse 6 zueinander verschwenkbar sind.The combination tool 1 has two each with a handle 4 or 5 provided pliers legs 2 and 3, which about a hinge axis 6 are pivotable to each other.

    Backen 7 und 8 bilden einen vorderen Wirkbereich A sowie einen hinteren Wirkbereich B. Der Wirkbereich A besitzt zwei Bearbeitungsteile 9, die mit Befestigungsschrauben 10 auswechselbar an den Backen 7 und 8 befestigt sind. Mit diesen Teilen 9 kann ein hier nicht gezeigtes Wellrohr in an sich bekannter Weise durchschnitten werden. Der andere Wirkbereich B dient zum Durchtrennen von Verbundrohren und ist durch ein Schneidmesser 11 sowie durch zwei Stützteile 12 gebildet. Ein durchzuschneidendes und in Fig. 2 lediglich angedeutetes Rohr 30 wird bei geöffnetem Werkzeug auf die Stützteile 12 gelegt. Beim Schliessen des Werkzeuges wird das Rohr vom Schneidmesser 11 durchgetrennt. Beim Durchtrennen können die Rohrenden leicht deformiert werden und es können sich zudem an den Schnittflächen Späne bilden. Um die Rohrenden zu richten und die Späne zu entfernen, werden diese Rohrenden, je nach Innendurchmesser mit einem Dorn 15 oder einem Dorn 16 kalibriert und angefast.Jaws 7 and 8 form a front effective area A and one rear effective area B. The effective area A has two processing parts 9 interchangeable with mounting screws 10 the jaws 7 and 8 are attached. With these parts 9 a Cut corrugated tube, not shown here, in a manner known per se become. The other effective area B is used for cutting of composite pipes and is by a cutting knife 11 and by two support parts 12 formed. A to be cut and shown in Fig. 2 only indicated tube 30 is open when the tool is open the support parts 12 placed. When you close the tool, it will Cut the tube from the cutting knife 11. When cutting can the pipe ends are easily deformed and it can also Form chips on the cut surfaces. To straighten the pipe ends and to remove the chips, these tube ends, depending on the inside diameter calibrated with a mandrel 15 or a mandrel 16 and chamfered.

    Die beiden Dorne 15 und 16 bilden gemäss Fig. 3 die Gelenkachse 6. Um die beiden Dorne 15 und 16 lösbar und sicher miteinander zu verbinden, sind in den Dorn 16 eine Gewindesackbohrung 17 und in den Dorn 15 eine durchgehende Bohrung (18) eingearbeitet. Eine Kopfschraube 19 greift in diese beiden Bohrungen 17 und 18 ein und verbindet damit die beiden Dorne 15 und 16 fest miteinander. Die Dorne 15 und 16 besitzen jeweils innenseitig einen Ansatz 23 bzw. 24, die jeweils im Abstand zu einer Schulter 28 bzw. 29 als Vierkant ausgebildet sind. Die Durchgänge 31 sind im Bereich des Zangenschenkel 2 korrespondierend zum Vierkant ausgebildet, derart, dass der Zangenschenkel 2 verdrehsicher mit den Dornen 15 und 16 verbunden ist. Im Bereich des Zangenschenkels 3 sind die Durchgänge 31 jedoch Kreisrund. Der Zangenschenkel 3 ist somit auf der Gelenkachse 6 schwenkbar gelagert. Der Zangenschenkel 3 ist zudem an den Schultern 28 flächig geführt, wie die Fig. 3 erkennen lässt.3, the two mandrels 15 and 16 form the hinge axis 6. To the two mandrels 15 and 16 releasably and securely together To connect, a threaded blind bore 17 are in the mandrel 16 and a through hole (18) is machined into the mandrel 15. A cap screw 19 engages in these two bores 17 and 18 and thus firmly connects the two mandrels 15 and 16 to one another. The mandrels 15 and 16 each have an inside Approach 23 and 24, each at a distance from a shoulder 28 and 29 are designed as a square. The passages 31 are in the Area of the pliers leg 2 corresponding to the square, such that the pliers leg 2 with rotation the thorns 15 and 16 is connected. In the area of the pliers leg 3, the passages 31 are circular. The pliers leg 3 is thus pivotally mounted on the hinge axis 6. The Pliers leg 3 is also flat on the shoulders 28, 3 shows.

    Zum Kalibrieren weisen die Dorne 15 und 16 jeweils eine zylindrische Mantelfläche 33 bzw.34 auf. Diese Flächen 33 und 34 sind jeweils an einem Kopf 20 bzw. 21 angeordnet, der zum Kalibrieren in ein Rohrende eingeführt wird. Das Kalibrieren eines Rohrendes ist an sich bekannt und braucht hier nicht neu erläutert zu werden.For calibration, the mandrels 15 and 16 each have a cylindrical one Shell surface 33 and 34 respectively. These surfaces are 33 and 34 each arranged on a head 20 or 21, for calibration is inserted into a pipe end. Calibrating a pipe end is known per se and need not be explained again here.

    Zum Anfasen weist jeder der beiden Dorne 15 und 16 mehrere Ausnehmungen 25 auf, die jeweils zwei gegenüberliegende Schneiden 26 und 27 bilden. Zwischen den Schneiden 26 und 27 und den Mantelflächen 33 und 34 ist jeweils eine umlaufende Spannut 22 angeordnet. Beim Anfasen frei werdende Späne gelangen in jeweils eine der entsprechenden Spannuten 22.For chamfering, each of the two mandrels 15 and 16 has several recesses 25, each with two opposite cutting edges Form 26 and 27. Between the cutting edges 26 and 27 and the Shell surfaces 33 and 34 are each a circumferential flute 22 arranged. Chips released during chamfering get into each one of the corresponding flutes 22.

    Wie die Fig. 3 zeigt, sind die Abstände der Schneiden 26 und 27 bei beiden Dornen 15 und 16 zur Mittelebene C gleich und vergleichsweise kurz. Diese kurzen Abstände sind für die Führung und Handhabung der beiden Dorne 15 und 16 beim Kalibrieren und insbesondere beim Anfasen wesentlich. Für die Handhabung ist zudem vorteilhaft, dass beim Drehen des Werkzeuges zum Anfasen in beiden Drehrichtungen geschnitten wird. In der einen Richtung sind es die Schneiden 26 und in der anderen Richtung die Schneiden 27. Die einen Schneiden sind dann Vorschneiden und die anderen Schneiden Rückschneiden. Dies ermöglicht ein Anfasen mit einer oszillierenden Bewegung um die Drehachse der Gelenkachse 6.3, the distances between the cutting edges 26 and 27 with both mandrels 15 and 16 to the central plane C the same and comparatively short. These short distances are for leadership and handling of the two mandrels 15 and 16 during calibration and essential especially when chamfering. For handling is also advantageous that when turning the tool for chamfering in is cut in both directions. In one direction it is the cutting edges 26 and the cutting edges in the other direction 27. One cutting is then pre-cutting and the other Cutting back cutting. This enables chamfering with a oscillating movement about the axis of rotation of the hinge axis 6.

    Das Kalibrieren und Anfasen erfolgt vorzugsweise bei geschlossenem Werkzeug, wie dies in Fig. 1 gezeigt ist. Damit die beiden Schenkel 2 und 3 geschlossen bleiben, ist ein Riegel 13 vorgesehen, der um eine Achse 14 schwenkbar am Zangenschenkel 2 angebracht ist und der in der verriegelnden Position an einer Seitenfläche 35 des Zangenschenkels 3 anlegt. Der Riegel 13 ist in der geschlossenen Position vorzugsweise klemmfest fixiert, so dass das Werkzeug 1 nicht ungewollt aufspringt.The calibration and chamfering is preferably carried out with the closed Tool as shown in Fig. 1. So that the two Legs 2 and 3 remain closed, a latch 13 is provided, which is pivotally attached to the pliers leg 2 about an axis 14 and in the locking position on one side surface 35 of the pliers leg 3 creates. The latch 13 is in the closed position is preferably fixed in a jam-proof manner that the tool 1 does not open unintentionally.

    Claims (8)

    Zangenartiges Kombinationswerkzeug zur Durchführung von Montagearbeiten an Rohren (30), mit zwei Zangenschenkeln (2, 3), die um eine Gelenkachse (6) zueinander verschwenkbar sind und mit einem als Achsverlängerung gestalteter Dorn (15, 16) zum Kalibrieren und Anfasen von Rohrenden, dadurch gekennzeichnet, dass beide Enden der Gelenkachse (6) jeweils als Dorn (15, 16) gestaltet sind und diese Dorne (15, 16) für die Bearbeitung unterschiedlicher Rohrdurchmesser ausgebildet sind.Plier-like combination tool for carrying out assembly work on pipes (30), with two pliers legs (2, 3) which can be pivoted relative to one another about an articulated axis (6) and with a mandrel (15, 16) designed as an axis extension for calibrating and chamfering pipe ends, characterized in that both ends of the hinge axis (6) are each designed as a mandrel (15, 16) and these mandrels (15, 16) are designed for processing different pipe diameters. Werkzeug nach Anspruch 1, dadurch gekennzeichnet, dass beide Dorne (15, 16) miteinander verbunden sind und die Gelenkachse (6) bilden.Tool according to claim 1, characterized in that both mandrels (15, 16) are connected to one another and form the hinge axis (6). Werkzeug nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die beiden Dorne (15, 16) mit einer sich axial erstreckenden Schraube (19) miteinander verbunden sind.Tool according to claim 1 or 2, characterized in that the two mandrels (15, 16) are connected to one another by an axially extending screw (19). Werkzeug nach einer der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass wenigstens ein Dorn (15, 16) an seinem Umfang mehrere Anfasschneiden (26, 27) aufweist.Tool according to one of claims 1 to 3, characterized in that at least one mandrel (15, 16) has a plurality of cutting edges (26, 27) on its circumference. Werkzeug nach Anspruch 4, dadurch gekennzeichnet, dass mehrere Vor- und mehrere Rückschneiden (26, 27) vorgesehen sind.Tool according to claim 4, characterized in that a plurality of front and a plurality of back cutting edges (26, 27) are provided. Werkzeug nach Anspruch 4 oder 5, dadurch gekennzeichnet, dass die Anfasschneiden (26, 27) durch radiale Ausnehmungen (25) gebildet sind, und jede Ausnehmung (25) eine Vor- und eine Rückschneide (26, 27) bildet. Tool according to claim 4 or 5, characterized in that the gripping cutting edges (26, 27) are formed by radial recesses (25) and each recess (25) forms a front and a rear cutting edge (26, 27). Werkzeug nach einem der Ansprüche 4 bis 6, dadurch gekennzeichnet, dass in Achsrichtung gesehen vor den Anfasschneiden (26, 27) jeweils eine umlaufende Spannut (22) angeordnet ist.Tool according to one of claims 4 to 6, characterized in that , viewed in the axial direction, a circumferential flute (22) is arranged in front of the gripping cutting edges (26, 27). Werkzeug nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass ein Verschlussriegel (13) an einem der Zangenschenkel (3) angeordnet ist, mit dem die beiden Zangenschenkel (2, 3) in geschlossenem Zustand fixierbar sind.Tool according to one of claims 1 to 7, characterized in that a locking bolt (13) is arranged on one of the pliers legs (3) with which the two pliers legs (2, 3) can be fixed in the closed state.
    EP01810278A 2000-04-28 2001-03-20 Plier like combination tool Expired - Lifetime EP1149666B1 (en)

    Applications Claiming Priority (2)

    Application Number Priority Date Filing Date Title
    CH8432000 2000-04-28
    CH8432000 2000-04-28

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    EP1149666A2 true EP1149666A2 (en) 2001-10-31
    EP1149666A3 EP1149666A3 (en) 2003-04-02
    EP1149666B1 EP1149666B1 (en) 2008-07-02

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    EP (1) EP1149666B1 (en)
    AT (1) ATE399620T1 (en)
    DE (2) DE20104034U1 (en)

    Cited By (2)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    EP1433577A1 (en) * 2002-12-27 2004-06-30 Geberit Technik Ag Tool for cutting through tubes
    WO2008037189A1 (en) * 2006-09-27 2008-04-03 Tianjin Runshi Technology Development Co., Ltd. A manually step pliers

    Citations (2)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    EP0279145A1 (en) * 1987-02-11 1988-08-24 HILTI Aktiengesellschaft Scissors for cutting tubular webbings
    DE19649992A1 (en) * 1996-11-21 1998-05-28 Rennsteig Werkzeuge Gmbh Combination tool for pipeline installation

    Patent Citations (2)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    EP0279145A1 (en) * 1987-02-11 1988-08-24 HILTI Aktiengesellschaft Scissors for cutting tubular webbings
    DE19649992A1 (en) * 1996-11-21 1998-05-28 Rennsteig Werkzeuge Gmbh Combination tool for pipeline installation

    Cited By (2)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    EP1433577A1 (en) * 2002-12-27 2004-06-30 Geberit Technik Ag Tool for cutting through tubes
    WO2008037189A1 (en) * 2006-09-27 2008-04-03 Tianjin Runshi Technology Development Co., Ltd. A manually step pliers

    Also Published As

    Publication number Publication date
    ATE399620T1 (en) 2008-07-15
    EP1149666A3 (en) 2003-04-02
    EP1149666B1 (en) 2008-07-02
    DE20104034U1 (en) 2001-05-10
    DE50114064D1 (en) 2008-08-14

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