EP2072188A1 - Outil de presse doté d'un mécanisme de tension bistable - Google Patents

Outil de presse doté d'un mécanisme de tension bistable Download PDF

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Publication number
EP2072188A1
EP2072188A1 EP08105767A EP08105767A EP2072188A1 EP 2072188 A1 EP2072188 A1 EP 2072188A1 EP 08105767 A EP08105767 A EP 08105767A EP 08105767 A EP08105767 A EP 08105767A EP 2072188 A1 EP2072188 A1 EP 2072188A1
Authority
EP
European Patent Office
Prior art keywords
pressing
press tool
tool according
elements
spring
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
EP08105767A
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German (de)
English (en)
Other versions
EP2072188B1 (fr
Inventor
Frank Hofmann
Jörg Rosenthal
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Viega GmbH and Co KG
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Viega GmbH and Co KG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Viega GmbH and Co KG filed Critical Viega GmbH and Co KG
Publication of EP2072188A1 publication Critical patent/EP2072188A1/fr
Application granted granted Critical
Publication of EP2072188B1 publication Critical patent/EP2072188B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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

Definitions

  • the invention relates to a pressing tool for non-releasably connecting a pipe and a fitting with two pivoting elements each having an actuating portion and a pressing portion, which are pivotable about each pivot axis associated with them, with two support elements associated with the pivot elements, which hold the two axes of rotation, and with a Tension mechanism, wherein the inner contours of the opposing pressing portions of the two pivot elements form a receiving area.
  • Pressing tools of the type mentioned are already known.
  • a tensioning mechanism for example, a spring arranged between the actuating sections of the pivoting elements is provided which spreads the actuating sections and thus presses the pressing sections against one another at the same time, so that the receiving area narrows.
  • a spring for example, a pressure-resilient coil spring is used. In this way, the inner contours of the pressing sections can be brought by spring force into contact with the outer peripheral surface of the pipe or fittings to be compressed or the sleeve to be pressed, before the cold pressing is performed by acting on the operating sections of the pivot elements engine.
  • a user wants to use such a pressing tool, he must bring one hand, the components to be pressed in the space provided for the pressing position and hold there, on the other hand, the operating sections in a Press the tensioning mechanism against each other stressing manner to make the pressing tool for receiving the components ready, and additionally bring the pressing tool and the associated engine in the position provided for pressing and hold there.
  • the user may, where appropriate, avail himself of the assistance of another person who assumes one of the three aforementioned activities.
  • the user can continue to get rid of the first of the aforementioned activities by using technical aids, for example by fixing the components to be pressed before the pressing tool is applied.
  • the user the use of a previously described pressing tool is difficult if he wants to perform the pressing without outside help or without further technical aids, in particular without separate fixation of the components.
  • the present invention is therefore based on the technical problem of specifying a pressing tool which is easier to handle.
  • the technical problem is solved in that the tension mechanism is bistable, and that the receiving area formed by the inner contours in the first stable state is narrower than in the second stable state.
  • the handling of a pressing tool of the type mentioned can be simplified if a bistable tensioning mechanism is provided.
  • the tensioning mechanism can assume two states that it at least without action Pulse does not leave again.
  • the receiving area is narrower than in the second stable state.
  • the first stable state the receiving area is narrower than in the second stable state.
  • the first stable state if the inner contours of the pressing sections abut against a component located in the receiving region without the abutting surfaces of the pressing sections coming into contact.
  • the pivot elements are aligned with each other so that the receiving area is further than in the first stable state and thus in particular ready for receiving a component to be compressed, for example, pipe, fitting or sleeve.
  • the handling of a pressing tool of the type mentioned is simplified for a user by first bringing the tension mechanism in the second stable state in which the pressing tool remains due to the prestressing caused by the tensioning mechanism.
  • the user can concentrate solely on the positioning of the components to be pressed and on the positioning of the pressing tool on the components to be pressed.
  • the help of another person or additional, mostly improvised technical aids are no longer necessary.
  • the user can thus insert the component into the receiving area, check the correct position of the pressing sections with respect to the component and then cause a pulse, which causes the tension mechanism to leave the second stable state and the first stable state in which the receiving area is narrower . in particular in which the inner contours rest on the outer peripheral surface of the component.
  • the momentum causing the transition from the second to the first stable state to the inner contours of the pressing sections possibly be effected by the components to be pressed itself. If the inner contours of the pressing sections reliably enclose the components, the user can activate the engine and perform the pressing.
  • the force transmitted in the first stable state by the tensioning mechanism via the inner contours of the pressing sections to the outer peripheral surface of the component is not large enough to already carry out a deformation of the components.
  • the resistance opposite to the stress mechanism of the component in the first stable state is large enough to prevent deformation.
  • the actual compression is then effected only by pressing the engine.
  • a user of the pressing tool can check the positions of the components and the pressing tool in the first stable state and correct, if necessary, by bringing the clamping mechanism of the pressing tool back to the second stable state, thus widening the receiving area, and re-pressing the pressing sections attached to the components. In this way it is easier for a user to perform a correct compression, because he can devote his attention almost exclusively to the positioning.
  • the tensioning mechanism has a leg spring arranged between the pivoting elements.
  • leg springs usually made of metallic materials, are less susceptible to wear and are available on the market with various properties, such as spring constants and geometric shapes, so that the crimping tool can be designed to meet different requirements by selectively selecting a particular leg spring.
  • the leg spring is movably mounted with respect to the axes of rotation of the pivot elements.
  • the bias of the tension mechanism can be set very flexible.
  • the leg spring is movable along the perpendicular to a connecting line between the two axes of rotation of the pivot elements.
  • a certain position along the aforementioned vertical corresponds to a certain orientation of the spring legs to each other.
  • the locking mechanism which enables a second stable state of the tensioning mechanism, can be very flexibly incorporated into the pressing tool.
  • the pressing tool can be made very sensitive to various, the transition of the tension mechanism from the second to the first stable state triggering pulses in this way.
  • the tensioning mechanism additionally has a hollow bolt that passes through the turns of the leg spring and two pressure pieces that are spring-mounted at least partially in the bolt.
  • the bolt also ensures that the pivoting movements of the pivoting elements are symmetrical executable.
  • the bolt provides additional alternatives to transfer the transition of the tensioning mechanism from the second to the first stable state causing impulses to the tensioning mechanism.
  • the resiliently mounted in the bolt plungers make it possible to transfer the locking mechanism of the second stable state of the tensioning mechanism on the swivel elements facing side surfaces of the support elements.
  • the carrier element may have a reduction adapted to a pressure piece. If an end face of the pressure piece is slidably guided by a movement of the bolt, and under load of the resilient mounting of the pressure piece in the bolt, along the side faces of the carrier element facing the pivot elements, the pressure piece can snap into place at the location of the countersinking.
  • the position of the bolt, the corresponding position of the spring and the corresponding orientation of the spring legs to each other, in which the pressure piece engages in the depression just corresponds to the second stable position of the tensioning mechanism.
  • the transmitted from the tensioning mechanism on the pivot elements force is not sufficient to dissolve the engagement of the pressure piece in the reduction. Rather, an impulse is needed.
  • the pressing tool at least one arranged on the inner contours of the pressing sections pulse transformer is provided.
  • the pulse can be effected by the introduced into the receiving area, provided for the compression components.
  • the swivel elements can be provided coordinated panels.
  • the introduced into the receiving area components can then press against the receiving area facing edge of the sheets and so transmit the pulse to the tensioning mechanism.
  • a monostable tensioning mechanism having pressing tools can be retrofitted and thus equipped with a bistable tensioning mechanism.
  • the sliding element preferably has a side surface adapted to the inner contours of the pressing sections of the pivoting elements. In this way it can be avoided that there is a gap between the two inner contours during the compression process, which could result in an asymmetrical, possibly not sufficiently tight pressing result.
  • the reduction can be arranged in a recess arranged on the carrier element.
  • the recess is particularly suitable for providing the pulse transducers with a guide region. Thereby, the stability of the tension mechanism can be further improved.
  • the tensioning mechanism has a leg spring with legs having angled ends and at least one retaining cam arranged on at least one of the pivoting elements.
  • the locking mechanism as a structural design on the Leg spring and are provided on the pivot elements.
  • the number of the voltage mechanism forming components can be kept so low. As a result, the reliability of the pressing tool can be ensured even after many pressing cycles.
  • Fig. 1a shows an embodiment of the pressing tool 2 according to the invention in an exploded view.
  • Two symmetrical pivot elements 4a, 4b are arranged opposite each other in this example.
  • the pivot elements 4a, 4b may also have a different structural design.
  • the pivot elements 4a, 4b each have an actuating portion 6a, 6b and a respective pressing portion 8a, 8b.
  • a surface of the pressing portions 8a, 8b has an inner contour 10a, 10b, so that between the inner contours 10a, 10b of the opposite pressing portions 8a, 8b, a receiving area 12 is formed.
  • the receiving area 12 is shown open.
  • the abutting surfaces 14a, 14b of the pressing sections 8a, 8b are spaced apart from each other.
  • each swivel element 4a, 4b associated with a rotation axis 20a, 20b.
  • a further bore 18c on each carrier element 16a, 16b is provided for the connection of the carrier element 16a, 16b and thus of the pressing tool 2 with an engine (not shown).
  • the side surfaces of the carrier elements 16a, 16b facing the pivot elements 4a, 4b each have, in this example, a recess 22a, 22b and a countersink 24a, 24b arranged in the recess 22a, 22b.
  • the countersink 24a, 24b may be formed, for example, in the form of a hollow calotte.
  • the tension mechanism has in the in Fig. 1a shown embodiment, a leg spring 26.
  • a hollow bolt 28 which in this example is in the form of a hollow cylinder and passes through the turns of the leg spring 26, is provided.
  • a respective pressure piece 30a, 30b resiliently mounted at each end face of the bolt 28.
  • An end face of the pressure piece 30a, 30b is pressed against the side surface of the support element 16a, 16b facing the pivot elements 4a, 4b in the region of the recess 22a, 22b and can be guided in a sliding manner, for example via a movement of the bolt 28.
  • the pressure piece 30a, 30b engage, so that further movement of the bolt 28 is inhibited.
  • the shape of the countersink 24a, 24b is preferably adapted to the shape of the pressure piece 30a, 30b.
  • a change in the orientation of the spring legs 32a, 32b to each other with a spring movement transverse to the spring winding axis 34, in particular along the perpendicular to the connecting line 40 (see Fig. 1b and 1c ) is linked between the two axes of rotation 20a, 20b.
  • Such a spring movement guides the bolt 28 and the pressure pieces 30a, 30b, so that the pressure pieces 30a, 30b are guided along the surface of the recess 22a, 22b.
  • a sliding member 36 is provided as a pulse transformer.
  • An area of the sliding element 36 is adapted to the inner contours 10a, 10b of the pressing sections 8a, 8b.
  • the inner contours 10a, 10b of the pressing sections 8a, 8b have corresponding recesses, so that the sliding element 36 can be integrated flush into the pressing sections 8a, 8b.
  • the sliding element 36 On the side facing away from the inner contours 10a, 10b of the pressing sections 8a, 8b, the sliding element 36 has two tabs 38a, 38b. The distance between the tabs 38a, 38b is sized so that the leg spring 26 can be interposed therebetween.
  • the pin 28 passes through not only the turns of the leg spring 26 but also the tabs 38a, 38b of the sliding member 36.
  • the sliding member 36, the leg spring 26, the pin 28 and the plungers 30a, 30b are movably connected together.
  • the recesses 22a, 22b on the support elements 16a, 16b are dimensioned such that the tabs 38a, 38b can be guided flat in them.
  • the stability of the arrangement of the sliding element 36 in the direction parallel to the connecting line 40 between the axes of rotation 20a, 20b can be improved.
  • Fig. 1b shows now in a cross section the in Fig. 1a illustrated pressing tool 2 in a position which corresponds to the second stable state of the tensioning mechanism.
  • the actuating portions 6a, 6b of the pivot elements 4a, 4b abut each other in this example.
  • the abutment surfaces 14a, 14b of the pressing portions 8a, 8b are spaced from each other, the receiving portion 12 is thus open, so that the components to be pressed (not shown) can be introduced.
  • the bolt 28 is in this second stable state, with respect to the connecting line 40 of the rotation axes 20a, 20b, on the side of the pressing portions 8a, 8b.
  • the guide of the bolt 28 is effected by circular segment-shaped, adapted to the diameter of the bolt 28 recesses 42a, 42b in the mutually facing side surfaces of the pivot elements 4a, 4b, in which from the turns of the leg spring 26, and optionally from the tabs 38a, 38b of the sliding element 36 outstanding areas of the bolt 28 are mounted. Since the bolt 28 is connected to the sliding element 36 via the tabs 38a, 38b, the sliding element 36 protrudes into the receiving area 12.
  • a pulse which causes the voltage mechanism to transition from the second to the first stable state, simply by the introduction of the components to be pressed in the receiving area 12 exercise.
  • a tube, a fitting or a sleeve are pressed during insertion into the receiving area 12 against the contoured, the receiving area 12 facing surface of the sliding element 36 and thereby push it backwards.
  • this movement is transmitted to the pin 28 and thus also to the leg spring 26.
  • the momentum caused by the introduction of the components is sufficient to release the end faces of the pressure pieces 30a, 30b from the countersinks 24a, 24b.
  • the first stable state of the tension mechanism may be present when the abutment surfaces 14a, 14b of the pressing portions 8a, 8b abut each other, for example, when the receiving portion 12 is free, or when the end faces of the pressure pieces 30a, 30b have reached the end of the recesses 22a, 22b or if the inner contours 10a, 10b bear against the outer peripheral surface of a component located in the receiving region 12. It is also possible in principle for the leg spring 26 to reach its state of relaxation before one of the aforementioned positions has been reached.
  • FIG Fig. 1c The position of the pivot elements 4a, 4b relative to each other in the first stable state of the tension mechanism according to the first of the aforementioned alternatives is exemplified in FIG Fig. 1c shown in cross section.
  • the abutment surfaces 14a, 14b of the pressing portions 8a, 8b abut each other, whereas the operating portions 6a, 6b are spaced from each other.
  • the bolt 28 is in this first stable state with respect to the connecting line 40 of the rotating shafts 20a, 20b on the side of the operating portions 6a, 6b.
  • the circular segment-shaped recesses 42a, 42b are brought together on the side facing the receiving region 12 in such a way that, in cross section, a circle open on one side results, in which the hollow cylindrical pin 28 is arranged.
  • the sliding element 36 is in this example just as far along the perpendicular to the connecting line 40 between the axes of rotation 20a, 20b shifted that its contoured surface is substantially in alignment with the inner contours 10a, 10b of the pressing sections 8a, 8b. In this way, an optimal all-round application of force can be achieved during cold pressing.
  • the first stable state has been described so that the abutment surfaces 14a, 14b of the pressing portions 8a, 8b abut each other. This description is based on the fact that no fitting is arranged in the receiving region 12c of the pressing tool 2. If this is the case, however, the first stable state is assumed when the receiving area 12 encloses the fitting contained therein. In this state, the pressing tool 2 can be opened again without causing the fitting to be compressed. If, on the other hand, the pressing tool 2 is completely closed by the motor drive, with the abutment surfaces 14a, 14b being brought into contact with each other, the fitting is compressed.
  • the first stable state does not require that the abutment surfaces 14a, 14b abut each other, but that the pressing jaws 4a, 4b are closed by the action of the leg spring 26 until a mechanical resistance has been achieved.
  • This mechanical resistance is different than it is for the second stable state based on Fig. 1b has been described by the engagement of the plungers 32 in the countersinks 24.
  • Fig. 2a-b show another possible embodiment of the pressing tool 2 according to the invention in an exploded view.
  • the difference to that in the Fig. 1a-c illustrated embodiment is that as a pulse transformer instead of a sliding element 36 two of the pivot elements 4a, 4b subsidiary plates 44a, 44b are provided.
  • the plates 44a, 44b have at one end a bore 46a, 46b, through which the bolt 28 engages.
  • the other end of the plates 44a, 44b protrudes in the in Fig. 2a illustrated second stable state of the tension mechanism in the receiving area 12 inside.
  • the components to be pressed which are brought into the receiving area 12, press against an edge of the sheets 44a, 44b, whereby the bolt 28 and thus the leg spring 26 in the direction of the operating portions 6a, 6b are moved, the end faces the pressure pieces 30a, 30b can be released from the countersink 24a, 24b, and thus the spring spreading mechanism can again act on the actuating portions 6a, 6b.
  • the assignment of in the Fig. 2a-b shown plates 44a, 44b is particularly advantageous when already manufactured pressing tools 2 to be retrofitted with a monostable tensioning mechanism. In this example, only the support plates 16a, 16b and possibly the bolt 28 would have to be exchanged and the plates 44a, 44b added.
  • Fig. 3a-b show a further possible embodiment of the pressing tool 2 according to the invention in an exploded view.
  • the difference to those in the Fig. 1a-c and 2a-b there are no separate pulse transformers that can cause the voltage mechanism to leave the second stable state and assume the first stable state.
  • the support elements 16a, 16b also have no recesses, which are provided in the previously explained embodiments primarily for guiding the tabs or sheets.
  • the second stable state corresponds to the engagement of the plungers 30a, 30b in the cuts 24a, 24b.
  • the transition from the second to the first stable state causing pulse can in this embodiment by a further, possibly jerky voltage of Leg spring 26 can be exercised by the operating portions 6a, 6b further merged.
  • the leg spring 26 and the pin 28 are further guided in the direction of the pressing portions 6a, 6b, so that the engagement of the pressure pieces 30a, 30b in the counterbores 24a, 24b in the direction of the pressing portions 8a, 8b is released.
  • Due to the then initiated spreading movement of the leg spring 26 the pressure pieces 30a, 30b are again guided in the direction of the actuating portions 6a, 6b along the side surfaces of the support elements 16a, 16b.
  • the dynamics of the movement of the plungers 30a, 30b is sufficient to prevent the plungers 30a, 30b from snapping back into the recesses 24a, 24b in the backward movement. Instead, the thrust pieces 30a, 30b, driven by the leg spring 26, slide over the counterbores 24a, 24b, so that the tension mechanism can assume the first stable state.
  • Fig. 4 shows a further possible embodiment of the pressing tool 2 according to the invention in a cross-sectional view.
  • the second stable state of the tension mechanism does not correspond to the engagement of thrust pieces 30a, 30b in depressions 24a, 24b arranged on the carrier elements 16a, 16b, but that the second stable state corresponds to the spring dead center position.
  • the perpendicular 48a, 48b drawn to the spring leg 32a, 32b at the leg end passes through the pivot axis point 20a, 20b.
  • a rotational movement can not take place.
  • the rotational movement of the pivot elements 4a, 4b around the axes of rotation 20a, 20b becomes possible again and the transition from the second to the first stable state of the tension mechanism becomes effective Reason of the dynamics of the relaxation movement initiated.
  • the provided on the pivot elements 4a, 4b, from the turns of the leg spring 26 outstanding portions of the bolt 28 leading circular segment-shaped recesses 42a, 42b so dimensioned that the alignment of the spring legs 32a, 32b beyond the Federtot Vietnamese addition displacement of the bolt 28 and thus the leg spring 26 in the direction of the pressing sections 8a, 8b is avoided.
  • Fig. 5 shows a further possible embodiment of the pressing tool 2 according to the invention in a cross-sectional view.
  • the leg spring 26 has legs 32a, 32b with angled ends.
  • One of the spring legs 32a is arranged in this example in a arranged on one of the pivot elements 4b groove 50, so that this pivot member 4b and the leg spring 26 are firmly connected.
  • the other spring leg 32b can be slidably guided on the side surface of the other pivot member 4a.
  • On this side surface a retaining cam 52 is arranged.
  • the retaining cam 52 is formed so that the angled end of the spring leg 32 b can engage behind.
  • This position of the spring leg 32b corresponds to the second stable state of the tension mechanism, which - as shown - is given in particular when the receiving area 12 is opened, so when the abutment surfaces 14a, 14b of the pressing portions 8a, 8b are spaced. It is basically possible to arrange a plurality of retaining cams 52 one behind the other on a pivoting element 4a, 4b. In this way, several different opening states of the receiving area 12 could be implemented.
  • the engaging position of the spring leg 32b can here similar to the in the Fig. 3 and 4 shown embodiments are solved by means of an overvoltage of the leg spring 26. But it is also possible in principle, other features of the preceding embodiments, in particular the pulse transformer, with the in Fig. 5 to be shown combined embodiment.
  • the present invention is not limited to specific embodiments of the pivotal elements 4a, 4b.
  • the shape of the inner contour 10a, 10b of the pressing sections 8a, 8b can be selected as appropriate for the application. It is also possible to form the press sections 8a, 8b for receiving variable press attachments, which may have differently shaped inner contours 10a, 10b.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
  • Adhesives Or Adhesive Processes (AREA)
  • Press Drives And Press Lines (AREA)
  • Mounting, Exchange, And Manufacturing Of Dies (AREA)
  • Jigs For Machine Tools (AREA)
EP08105767A 2007-12-17 2008-11-11 Outil de presse doté d'un mécanisme de tension bistable Not-in-force EP2072188B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102007061164A DE102007061164B4 (de) 2007-12-17 2007-12-17 Presswerkzeug mit bistabilem Spannungsmechanismus

Publications (2)

Publication Number Publication Date
EP2072188A1 true EP2072188A1 (fr) 2009-06-24
EP2072188B1 EP2072188B1 (fr) 2012-01-04

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP08105767A Not-in-force EP2072188B1 (fr) 2007-12-17 2008-11-11 Outil de presse doté d'un mécanisme de tension bistable

Country Status (5)

Country Link
EP (1) EP2072188B1 (fr)
AT (1) ATE539849T1 (fr)
DE (1) DE102007061164B4 (fr)
DK (1) DK2072188T3 (fr)
ES (1) ES2380599T3 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015074873A1 (fr) * 2013-11-21 2015-05-28 Viega Gmbh & Co. Kg Outil de pressage à mécanisme de tension bistable
EP2995426A1 (fr) * 2014-09-08 2016-03-16 Viega GmbH & Co. KG Outil de presse dote d'un mecanisme de serrage commutable bistable
EP3231528A1 (fr) * 2016-04-12 2017-10-18 Geberit International AG Dispositif de pression comprenant une fixation a boulon

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Publication number Priority date Publication date Assignee Title
DE102015107302B4 (de) 2015-05-11 2021-07-08 Viega Technology Gmbh & Co. Kg Presswerkzeug und Verfahren zum Verbinden von Werkstücken mit Kraftmessung
DE102020107498A1 (de) 2020-03-18 2021-09-23 Conex Universal Limited Pressverbindungssystem mit Fittings, einem Presswerkzeug, Einsätzen dafür und einem Rohrsystem
DE102022115433A1 (de) 2022-06-21 2023-12-21 Novopress Gmbh Pressen Und Presswerkzeuge & Co. Kommanditgesellschaft Pressring, Pressschlinge und Presswerkzeug mit Verstellelement
USD1025732S1 (en) * 2023-08-03 2024-05-07 Qing Dai Hydraulic tool

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EP0860245A2 (fr) * 1997-02-21 1998-08-26 NOVOPRESS GMBH PRESSEN UND PRESSWERKZEUGE & CO. KG. Dispositif de pressage
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EP1114698A2 (fr) * 2000-01-07 2001-07-11 Von Arx Ag Pince à sertir
US20060179912A1 (en) * 2005-02-16 2006-08-17 Emerson Electric Co. Compression tool jawset
US20070214859A1 (en) * 2004-09-09 2007-09-20 Emerson Electric Co. Controlled Cycle-Life Jaw Assembly

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SE8500018D0 (sv) * 1985-01-03 1985-01-03 Weidmueller C A Gmbh Co Zangenartiges geret zum verpressen von kabelschuhen
DE19813778A1 (de) * 1997-05-28 1998-12-03 Kirchner Fraenk Rohr Bearbeitungsvorrichtung, insbesondere Preßzange

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DE3423283A1 (de) * 1984-06-23 1986-01-02 Helmut Dipl.-Ing. 4040 Neuss Dischler Klemmwerkzeug, insbesondere zum verbinden von rohren und anderen profilen
EP0860245A2 (fr) * 1997-02-21 1998-08-26 NOVOPRESS GMBH PRESSEN UND PRESSWERKZEUGE & CO. KG. Dispositif de pressage
EP0882531A2 (fr) * 1997-05-28 1998-12-09 Fränkische Rohrwerke Gebr. Kirchner GmbH & Co. Dispositif d'usinage, en particulier pince à sertir
EP1114698A2 (fr) * 2000-01-07 2001-07-11 Von Arx Ag Pince à sertir
US20070214859A1 (en) * 2004-09-09 2007-09-20 Emerson Electric Co. Controlled Cycle-Life Jaw Assembly
US20060179912A1 (en) * 2005-02-16 2006-08-17 Emerson Electric Co. Compression tool jawset

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015074873A1 (fr) * 2013-11-21 2015-05-28 Viega Gmbh & Co. Kg Outil de pressage à mécanisme de tension bistable
CN104936747A (zh) * 2013-11-21 2015-09-23 维家有限及两合公司 具有双稳态的张力机构的挤压工具
US10029357B2 (en) 2013-11-21 2018-07-24 Viega Technology Gmbh & Co. Kg Press tool with bistable tension mechanism
EP2995426A1 (fr) * 2014-09-08 2016-03-16 Viega GmbH & Co. KG Outil de presse dote d'un mecanisme de serrage commutable bistable
US10399138B2 (en) 2014-09-08 2019-09-03 Viega Technology Gmbh & Co. Kg Pressing tool with switchblade bistable tensioning mechanism
EP3231528A1 (fr) * 2016-04-12 2017-10-18 Geberit International AG Dispositif de pression comprenant une fixation a boulon

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Publication number Publication date
ES2380599T3 (es) 2012-05-16
EP2072188B1 (fr) 2012-01-04
ATE539849T1 (de) 2012-01-15
DE102007061164B4 (de) 2010-03-04
DK2072188T3 (da) 2012-04-10
DE102007061164A1 (de) 2009-06-18

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