EP1591174B1 - Dispositif de pliage pour des pièces en forme de barre et de tube - Google Patents

Dispositif de pliage pour des pièces en forme de barre et de tube Download PDF

Info

Publication number
EP1591174B1
EP1591174B1 EP04007328A EP04007328A EP1591174B1 EP 1591174 B1 EP1591174 B1 EP 1591174B1 EP 04007328 A EP04007328 A EP 04007328A EP 04007328 A EP04007328 A EP 04007328A EP 1591174 B1 EP1591174 B1 EP 1591174B1
Authority
EP
European Patent Office
Prior art keywords
bending
mandrel
clamping device
rotary
workpiece
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
Application number
EP04007328A
Other languages
German (de)
English (en)
Other versions
EP1591174A1 (fr
Inventor
Werner Maier
Jürgen Wolf
Frank Hacker
Patrick Schlund
Dieter Geisel
Dietmar Sautter
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.)
Wafios AG
Original Assignee
Wafios AG
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 Wafios AG filed Critical Wafios AG
Priority to DE502004007277T priority Critical patent/DE502004007277D1/de
Priority to AT04007328T priority patent/ATE396799T1/de
Priority to EP04007328A priority patent/EP1591174B1/fr
Priority to US11/088,102 priority patent/US7234333B2/en
Publication of EP1591174A1 publication Critical patent/EP1591174A1/fr
Application granted granted Critical
Publication of EP1591174B1 publication Critical patent/EP1591174B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • B21D7/00—Bending rods, profiles, or tubes
    • B21D7/02—Bending rods, profiles, or tubes over a stationary forming member; by use of a swinging forming member or abutment
    • B21D7/024—Bending rods, profiles, or tubes over a stationary forming member; by use of a swinging forming member or abutment by a swinging forming member

Definitions

  • the invention relates to a bending device for rod and tubular workpieces, wherein the bending device comprises a bending head with a mounted on a rotation axis, rotatable by a rotary drive mandrel and with a clamping device for pressing the workpiece to be bent against a forming groove on the mandrel, wherein the Bending head further comprises a feed device for the workpiece to be machined and the clamping device is movable relative to the mandrel and also 'concentric with the axis of rotation of the bending mandrel is pivotable.
  • Such bending devices are used in modern bending machines for rod-like workpieces and for prefabricated cables with mainly larger cross-sections.
  • the bending device is composed of several units, which allow especially in tubular workpieces with thin wall thicknesses by their interaction a good bending result.
  • a bending device should be able to meet a number of specific requirements by performing the following functions: left and right bending, drawing and roll bending, winding, creating a bend without an intermediate straight piece directly after another bend, producing different bending radii, bend different pipe diameters, prevent wrinkles, bend in three dimensions and enable easy conversion.
  • the WO 2004/000479 A1 describes a bending device of the type mentioned, which can be used for both left and right bending, without causing the bending mandrel would have to be replaced.
  • This is formed substantially circular and provided with two axially offset from each other on him, provided circular shape grooves, one of which is used in the left bending and the other in the right bending.
  • a corresponding molded part is attached, which in turn has a rectilinear form-groove section which extends tangentially away from the corresponding shaping groove that a rectilinearly tangent of the bend running tail of the pipe to be bent is located in this Formnutabites.
  • the delivered by a feeder tube by means of a clamping device which is movable relative to the mandrel against the corresponding, from the respective mold groove tangentially running Formnutabrough of the fitting is applied and pressed, after which clamped with clamping tube together with the bending mandrel concentric to the axis of rotation the latter is pivoted until the pipe is bent correspondingly behind the rectilinear form-groove section in the adjoining annular groove during the rotation. Thereafter, the tensioning device is moved away from the bending mandrel and taken out of the bent tube in its bent portion from the forming groove of the bending mandrel and in its straight-line end portion from the Formnutabrough of the fitting.
  • the tube is again between clamping device and bending mandrel (there again in one on the other Formnut correspondingly attached fitting with a straight running, tangentially out of the form of the bending mandrel Formnutabrough clamped and then generated by a common rotation of clamping device and mandrel about the axis of rotation of the mandrel, this time in the opposite direction, the new bend on the pipe.
  • the invention is based on the object to improve such a bending device such that the clamping device requires a particularly small footprint and for the linear movement of the clamping device no separate linear adjustment motor is required.
  • a bending device of the type mentioned in that the clamping device is connected to two independent rotary actuators, one of which serves to perform their pivotal movement about the axis of rotation of the mandrel and the other they with the interposition of a conversion gear, the rotational movement in a linear movement, opposite to the mandrel is movable, wherein the bending mandrel for transmitting the drive of the three rotary drives to the mandrel, to the transfer gear and the clamping device comprises three concentric nested rotary shafts, each of which is connected to one of the rotary drives.
  • the innermost rotary shaft carries the bending mandrel situated at the very top of the bending head, while, more preferably, the central rotating shaft drives the transfer gear mounted on the bending head below the bending mandrel to produce the linear movement for the clamping device, wherein preferably the outer rotary shaft is arranged with one below the transfer gear Holding plate is rotatably connected, on which the clamping device is mounted displaceably in a direction towards the bending mandrel.
  • the linear adjustment of the tensioning device is derived from a rotary drive (with the interposition of a transfer gearbox), created the possibility to transmit the three rotary actuators via three concentric rotating shafts to the desired parts and thereby a particularly compact Overall design for the bending head to achieve, the integration of such a transfer gear in the overall structure of the three nested waves in the context of the bending head can be easily realized. The need to use a separate, extra outside to be arranged linear drive is avoided. The control of the motors for the three rotary actuators z. B.
  • the transfer gear comprises a Nutenmetry with a trained in this, to its axis of rotation eccentric groove into which engages a fixed to the clamping device, the cross-sectional shape of the groove corresponding mold body, which is displaceable in the groove and its distance from the axis of rotation of the Nutenusion a rotation of the groove disc is changeable.
  • the clamping device preferably has a non-rotatably mounted on the Nutenmatch with this mounting means and a clamping bracket, which is mounted displaceably in a mounted on the mounting device linear guide and on which the engaging in the groove in the Nutenscale shaped body is attached.
  • the clamping block is advantageously provided with an interchangeable attached to him jaws, in which one of the position of the forming groove in the bending head arranged appropriately, the shape of the workpiece to be clamped adapted shape groove is attached.
  • the shape of the shaping groove can be adapted to its changed shape dimensions when the workpiece to be bent is changed.
  • the clamping block is mounted on a support member which carries the molded body and is above this in engagement with the linear guide, wherein, again preferred, this support member in turn sits on a support member on which it is perpendicular to the orientation of the linear guide in a direction adjustably mounted and on which the molding is mounted for sliding engagement with the linear guide.
  • the support element on the support part is particularly preferably connected to a drive device for adjustment with respect thereto.
  • a program control device For controlling the three different rotary drives and possibly further drive devices (for example for adjusting the mounting element on the support part), a program control device is advantageously provided.
  • Another preferred embodiment of the bending device according to the invention also consists in that a further drive means is provided by the bending head in two mutually perpendicular, in each case to the feed direction of the workpiece to be bent in turn perpendicular directions, resulting in the possibility of the bending head under the Lowered by a chuck and projecting from this pipe (possibly already with a bend at one end portion) down, below the same on the other side over and then back up to turn the workpiece in the other bending direction, where in this case, then only the clamping device swung around by 180 ° and also the bending mandrel with the mounted on its opposite side of the molding groove must be spent in correct orientation to him then facing tube side.
  • a further advantageous embodiment of the bending device according to the invention also consists in that on the side of the workpiece on which the clamping device is arranged, this is preceded by a fixed guide roller for the workpiece instead of a Faltenglätters, which may be arranged so that they, if desired , even with a certain pressure against the corresponding side of the workpiece can press.
  • a preferred embodiment of the invention also consists in that the bending mandrel as well as the clamping jaws of the clamping block is in the form of a role with a guide groove for abutment against the facing side of the workpiece to be bent, resulting in a further simplified structural design of the bending device according to the invention results in a particularly compact design.
  • the wrinkle smoother has at least two in the feed direction of the workpiece to be bent successively arranged pressure rollers (instead of the sliders), then so that a bending device according to the invention is provided, with which it is possible, even in Wind method to produce the desired bend.
  • the clamping device Depending on the relative position of the roller of the clamping block to the mandrel bending radius produced on the workpiece can be continuously changed by the clamping device, whereby a production of elliptical, oval or spiral bends is possible.
  • any suitable form of a bending mandrel can be used, such. B. in the form of a circular roller with a corresponding circumferential mold groove.
  • the bending mandrel is formed so that it, viewed parallel to its pivot axis, a non-rotationally symmetrical, but symmetrical to a perpendicular to the axis of rotation and extending through this central axis has symmetrical shape, wherein the bending mandrel attached to the forming groove for abutment against one side of the workpiece to be bent, seen relative to this longitudinal central axis, on both sides of the bending mandrel is also symmetrical to each other.
  • the bending device according to the invention of very compact and space-saving design, can be readily used for right bending as well as left-hand bending, where always also the advantage is given that the rotary shafts for mandrel, transfer gear and tensioning device, the corresponding movements of these individual facilities by pure rotational movements, in addition to an identical central axis (because of the concentrically arranged transmission waves) can cause. This allows a particularly rapid and accurate control of the individual movements independently.
  • the bending device according to the invention is very compact and allows a large freedom from bending, namely both small distances between successive bends as well as small distances of the bends from the ends of the prefabricated pipe workpieces, with a gentle material treatment can be ensured.
  • the many realized in the invention degrees of freedom of the device allow optimal adjustability to the particular circumstances, such. B. pipe diameter, wall thickness, material or bending radius.
  • FIGS. 1 to 12 the representations of the FIGS. 1 to 12 to a first, particularly advantageous embodiment of a bending device, while in Fig. 13 (in oblique perspective view) another embodiment for a bending head in such a bending device and in Fig. 14 a basic plan view of yet another embodiment for a bending head is shown.
  • Fig. 13 in oblique perspective view
  • Fig. 14 a basic plan view of yet another embodiment for a bending head is shown.
  • the same reference numerals are used for the same parts.
  • FIGS. 1 to 12 represent a first embodiment of a bending device.
  • Fig. 1 a perspective view (obliquely from the top front) on a bending device 1 just before performing a right bending
  • Fig. 12 the same perspective oblique view of the same bending device 1 is shown, but in the initial state before a left-bending process.
  • the bending device 1 comprises essentially three important devices, namely a bending head 2 (with a tensioning device 3), a slide rail 4 (as a feeder) and a Faltenglätter 5. These three devices are used to make bends on pre-assembled pipes or tubes 6, in order to achieve a good forming result without wrinkling or cracking on the pipe 6.
  • the bending device 1 can be moved in its entirety on a horizontal trajectory a and a vertical trajectory b , by means of a suitable (but not shown in the figures) corresponding drive.
  • the bending head 2 initially consists of a supporting body 2A, on which a bending mandrel 7 rotatable about a central axis M is arranged on top.
  • the side of the mandrel 7 is a tubular workpiece 6 (with a relatively small wall thickness) in a bending mandrel attached there, over three sides of the same extending groove 8, in their groove shape of Shape of the tube 6 is adapted.
  • the tube 6 is fed in the direction c by a (not shown in the figures) transport device, from which it exits via a (also not shown in the figures) collet by means of which it can be kept fixed in position in a certain position at any time.
  • a transport device from which it exits via a (also not shown in the figures) collet by means of which it can be kept fixed in position in a certain position at any time.
  • Fig. 2 As from the sectional view of the Fig. 2 can be taken (sectional view along a sectional plane shows, which is perpendicular to the longitudinal direction of the supplied pipe 6 and through the axis of rotation M of the bending mandrel 7 extends), encloses the in Fig. 2 only with a solid line shown in principle supporting body 2A an arrangement of three concentric nested rotary shafts 9 ', 10' and 11 ', which are formed as a concave hollow shafts.
  • the three different hatching in Fig. 2 serve to represent the individual power transmission paths of the three rotary actuators 9, 10, 11 on the associated rotary shafts 9 ', 10', 11 'to the parts to be rotated, each hatching identifies the belonging to a drive train parts.
  • the rotary drive 9 drives directly the rotary shaft 9 ', the tool holder 7' and sitting on this bending mandrel 7.
  • the central rotary shaft 10 'of the concentric rotary shaft arrangement is driven at its lower end by a belt drive 13 by a rotary drive 10 and in turn serves to drive a groove plate 25 "via a rotary flange 10" fastened to it at its upper end, to which reference will be made below.
  • the outer rotary shaft 11 'of the concentric rotary shaft arrangement is driven by a belt drive 14 by a rotary drive 11.
  • a rotatable mounting plate 15 is fixed to it, on which a mounting device 16 is fixed and in which a linear guide 17 is formed, which will be discussed below - the leadership of a linear movement in the direction of the position of the mandrel 7 out (or away from this) allowed for a slide in the linear guide 17 part.
  • the bending mandrel 7 is laterally associated with a clamping jaws 18 (see. Fig. 1 and 2 and in particular the enlarged representations of 3 and 4 ), which on its the bending mandrel 7 facing side carries an interchangeable jaws 19, in which (as in particular good Fig. 3 can be seen) facing the tube to be bent 6, a shaping groove 28 of the shape of the tube 6 corresponding size is formed.
  • the clamping block 18 with the clamping jaws 19 is mounted on a support member 20, z. B. fastened with screws, not shown.
  • the support member 20 sits in turn on a support member 21 and that in the exploded view of Fig. 3 well recognizable manner: on the underside of the support member 20 is a T-shaped, downwardly open mold groove 22, extending transversely to the direction of displacement of the clamping jaw 18, formed, in which a mounted on top of the support member 21 sliding block 21 'with a corresponding T fömigen cross section is positively inserted.
  • a molded body in the form of a rotatable roller 23 is mounted, which projects there and in a corresponding mold groove 27 (see. FIGS. 1 to 4 ) intervenes.
  • This roller 25 sits freely rotatable on an anchored in the support member 21 retaining bolt 26th
  • the support member 21 is provided with a shape such that it, in particular the Fig. 2 and the partially cut there Fig. 4 show, on its two sides by the there mounted in the mounting device 16 linear or longitudinal guide 17 is guided and is displaceable in the longitudinal direction.
  • a fork-shaped cover plate 29 which consists of a front substantially circular section with a circular inner opening for attachment to the upper end of the rotary flange 10 "and starting from this section with two in the longitudinal direction of the support device 16th extending lateral fork legs 30 is provided, each of which rests on the top of a respective side part 33 of the support means 16 and mounted on these fork legs holes 31 which are correspondingly associated holes 32 on the top of the side members 33 by means of screws on these.
  • the lateral fork legs 30 of the cover plate 29 are slightly wider than the respective underlying upper side of a side part 33 and form with the free gap 30 'between them another longitudinal guide for a stepped upper mold portion 21 "of the Tragt eiles 21, so that the latter is guided in its longitudinal movement in the direction of the bending mandrel 7 back or from this back both through this gap 30 'between the fork legs 30, as well as by the attached in the support means 16 longitudinal strips of the linear guide 17.
  • the mounting device 16 is provided at its end facing away from the rotary mandrel 7 with a slightly upwards over the side parts 33 projecting connecting plate 34 which closes off the interior 35, which is present between the side legs 33 and the holding plate 15 in the direction of the mandrel 7 away.
  • this connecting plate 34 also serves as an end stop for the supporting part 21 in the sense of a maximally extended position.
  • Fig. 3 It can also be seen, on the underside of each side part 33, a recess 36 is mounted, which makes it possible that through them the Nutenamp 25 with the on her formed eccentric groove 27 between the respective side part 33 and the outer periphery of the rotary flange 10 "during rotation of the groove plate 25 can be passed, as in detail from the FIG. 3 and FIG. 4 is apparent, to the representation of which expressly referenced.
  • FIGS. 5 to 7 show now, in a basic plan view of the bending head from the FIGS. 1 to 4 , Various processes for producing a 90 ° bend of a pre-assembled tube 6 with thin wall thickness.
  • a sliding jaw 37 of the Faltenglätters 4 is provided, which, as Fig. 5 shows, in the insertion position as well as the clamping device 3 is moved away from the wire 6.
  • the slide rail 4 is mounted on the bending head 2 and includes two spindle drives 60, 61, via which a plate 62 can be positioned with the sliding block 37 in a plane.
  • the slide 4 is always positioned with respect to the axis of the tube 6 on the side of the clamping block 18.
  • a sliding block 37 is located on the pipe 6.
  • the slide 4 has to perform different functions during the bending process: it runs z. B. with the tube 8, it pulls back or pushes it, for example, to avoid cracking in the pipe material.
  • the slide 4 is also used for positioning the support member 20 with the clamping block 18 and the clamping jaws 19 and for pivoting the holder 40 with the guide jaws 38 of the Faltenglätters 5.
  • the holder 40 of the Faltenglätters 5 with the attached guide jaws 38 is mounted by means of linear guide pairs 63 on the slide rail 4.
  • the linear guide pairs 63 are connected to each other via a bridge 64.
  • the wrinkle smoother 5 can in this case via suitable (not shown in detail) means in the direction of arrow F ( Fig. 1 ) are moved or adjusted, whereby he (also not shown in detail means) relative to Bending mandrel 7 can be twisted.
  • suitable (not shown in detail) means in the direction of arrow F ( Fig. 1 ) are moved or adjusted, whereby he (also not shown in detail means) relative to Bending mandrel 7 can be twisted.
  • an optimal adjustment of the Faltenglätters 5 can ensure both left and right bending.
  • the 8 to 11 show now, also in a plan view like the Fig. 5 to 7 , a bend in the opposite direction as in the Fig. 5 to 7 namely, a left turn.
  • the bending head 2 When the tube 6 is released, the bending head 2 is moved away vertically downward (in direction b ), so that the bending head 2 with the mandrel 7 is completely below the out of the collet protruding tube 6, after which, as Fig. 8 shows, the bending mandrel 7 against the previous bending direction in direction of rotation w (as in Fig. 8 indicated) is pivoted.
  • the covered by the pipe 6 parts of the underlying bending head 2 are in the Fig. 8 to 10 only dashed lines.
  • a further actuating step is shown, in which now, still lying with the bending head 2 below the pipe section 6, by common, equally fast and rectified rotation of the holding plate 15 (with arranged thereon mounting device 16 with the clamping device 3) and the Nutenprint 25 by 90 ° (in the direction of rotation y 1 ) in one of the position of the clamping device 3 from Fig. 5 spent 180 ° opposite position.
  • Fig. 10 shows the position that is achieved when the sliding block 37 is spent together with the clamping device 3 in a position that the position Fig. 5
  • the elements in each case on the position in Fig. 5 present opposite side of the tube 6.
  • FIG. 11 shows the starting position of tube 6, clamping device 3, bending mandrel 7 and fold smoother 5 to each other for left bending, as in principle the starting position for the bending operation, according to the position Fig. 6 for the right bending, corresponds.
  • the sliding block 37 from the in Fig. 10 shown intermediate position has been moved a little further from the pipe 6 away, so that in total again results in an open insertion position for the pipe 6.
  • the bending head 2 is again upwards (in the direction of movement b (off Fig. 1 )) and then with the bending mandrel 7 and the sliding jaw 37 of the Faltenglätters 5 against the one (in Fig.
  • the bending mandrel 7 is, in plan view, not rotationally symmetrical, but mirror-symmetrical about a through its axis of rotation (corresponding to the axis of rotation M of the overall arrangement of the three inter-rotating shafts 9 ', 10' and 11 ') extending center plane XX ("symmetry axis").
  • the formed on the bending mandrel 7 Formnut 8 extends along the two long sides of the in Fig. 11 shown bending mandrel 7 and in the region 46, in which the ends are connected to each other via a circular path, so that a total of three sides of the mandrel 7 away throughout the mold groove 8 extends, the shape of education in turn is in turn symmetrical to the median plane XX.
  • This means that the inserted mandrel 7 can work with only a single mold groove 8 and it is not necessary to use different shape grooves, even at different axial heights of the mandrel 7.
  • FIGS. 13 and 14 are again schematic perspective oblique views of two further embodiments of a bending head 2 shown:
  • the sliding block 37 of the Faltenglätters 5 is in the execution after Fig. 13 replaced by a guide roller 42 which is freely rotatably arranged and leads the pipe to be bent before its entry into the forming groove 8 of the bending mandrel 7.
  • the bending mandrel 7 consists in principle of a bending roller, which is not executed over a full circle circumference, but in which a part of the circumference is cut off, as this Fig. 13 shows what is being referenced.
  • the clamping device 3 comprises a clamping jaw 43, which has a in Fig. 13 only shown in principle holding device 44 (in Fig. 13 shown in the form of a pin) is held, which is formed in a radially extending slot guide 45 (in the form of a slot) in the holding plate 15.
  • This holding device 44 is below the holding plate 15, z. B. in a (not visible) guided eccentric guide, which is guided around the central axis M of the rotary head 2 for moving the clamping jaw 43 relative to the pipe 6.
  • This eccentric (in Fig. 13 Not shown in detail) Formnut on the top of a rotatable about the central axis M, but lying below the plate 15 plate o. ⁇ . Be attached, which in turn z. B.
  • FIG. 14 shown further embodiment of a bending head 2 differs from the other previously described embodiments in particular in that there instead of the sliding jaw 37 two guide rollers 47, 48 provided for lateral abutment against the pipe to be bent 6 and the clamping block 3 (in the transport direction c of the pipe seen) are connected upstream.
  • the clamping jaws 19 are no longer provided with a guide groove, as in the embodiments of the preceding figures, but with a bending roller 49, with the desired deformation of the tube 6 can be performed.
  • the bending mandrel is designed in this embodiment as a bending roller 50 with a circumferential shaping groove for abutment against the pipe section 6.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)

Claims (18)

  1. Dispositif de pliage (1) pour des pièces à travailler en forme de tige ou de tuyau (6), comprenant une tête de pliage (2) avec un mandrin de pliage (7) monté sur un axe rotatif (M) et pouvant être amené à tourner au moyen d'un entraînement rotatif (9), et un système de serrage (3) pour presser la pièce à travailler (6) à plier contre une rainure de façonnage (8) sur le mandrin de pliage (7) ainsi qu'en outre un dispositif d'introduction (4) pour la pièce à travailler à traiter, dans lequel le système de serrage (3) peut être déplacé par rapport au mandrin de pliage (7) et peut également pivoter de façon concentrique à l'axe de rotation (M) du mandrin de pliage (7), caractérisé en ce que le système de serrage (3) est raccordé à deux entraînements rotatifs indépendants entre eux (10, 11) dont l'un (11) sert à exécuter son mouvement de pivotement autour de l'axe de rotation (M) du mandrin de pliage (7) et dont l'autre permet de le déplacer par l'insertion d'un mécanisme de conversion (24), qui convertit un mouvement rotatif en mouvement linéaire, par rapport au mandrin de pliage (7), dans lequel la tête de pliage (2) comprend pour transmettre l'entraînement des trois entraînements rotatifs (9, 10, 11) au mandrin de pliage (7), au mécanisme de conversion (24) et au système de serrage (3) trois arbres rotatifs (9', 10', 11') disposés de façon concentrique les uns dans les autres, dont chacun est raccordé à l'un des entraînements rotatifs (9, 10, 11).
  2. Dispositif de pliage selon la revendication 1, caractérisé en ce que l'arbre rotatif le plus à l'intérieur (9') porte le mandrin de pliage (7) disposé en haut sur la tête de pliage (6).
  3. Dispositif de pliage selon la revendication 2, caractérisé en ce que l'arbre rotatif central (10') entraîne le mécanisme de conversion (24) monté sur la tête de pliage (2) au-dessous du mandrin de pliage (7) pour le mouvement linéaire du système de serrage (3).
  4. Dispositif de pliage selon la revendication 3, caractérisé en ce que l'arbre rotatif (11') situé à l'extérieur est relié de façon verrouillée en rotation avec une plaque de retenue (15), disposée au-dessous du mécanisme de conversion (24), sur laquelle le système de serrage (3) est logé de façon mobile dans une direction perpendiculaire à l'axe central (M) des trois arbres rotatifs concentriques (9', 10', 11').
  5. Dispositif de pliage selon l'une quelconque des revendications 1 à 4, caractérisé en ce que le mécanisme de conversion (24) est muni d'un disque à rainure (25) avec une rainure (27) réalisée dans celui-ci, s'étendant de façon excentrique par rapport à son axe de rotation (M) et dans laquelle s'engage un corps façonné (23) fixé au système de serrage (3), correspondant à la forme de section transversale de la rainure (27), mobile dans la rainure (27) et dont la distance par rapport à l'axe de rotation (M) du disque à rainure (25) peut être modifiée par une rotation de celui-ci.
  6. Dispositif de pliage selon la revendication 5, caractérisé en ce que le système de serrage (3) présente un dispositif de fixation (16) fixé sur le disque à rainure (25) de façon verrouillée en rotation avec celui-ci, ainsi qu'un bloc de serrage (18) qui est logé de façon mobile sur ce guide linéaire (17) monté sur celui-ci et sur lequel est fixé le corps façonné (23) s'engageant dans la rainure (27) dans le disque à rainure (25).
  7. Dispositif de pliage selon la revendication 6, caractérisé en ce que le bloc de serrage (18) est muni d'une mâchoire de serrage (19) fixée à celui-ci de façon échangeable, dans lequel est montée une rainure de façonnage (28) disposée selon la position de la rainure de façonnage (8) dans la tête de pliage (2) et adaptée à la pièce à travailler (6) à serrer.
  8. Dispositif de pliage selon la revendication 6 ou 7, caractérisé en ce que le bloc de serrage (18) est fixé sur un élément de fixation (20) qui porte le corps façonné (23) et est mis en prise avec le guide linéaire (17) par l'intermédiaire de ce corps.
  9. Dispositif de pliage selon la revendication 8, caractérisé en ce que l'élément de fixation (20) repose pour sa part sur une pièce de support (21), sur laquelle il est fixé de façon réglable dans une direction perpendiculaire à l'orientation du guide linéaire (17) et est monté sur le corps façonné (28) pour une mise en prise coulissante avec le guide linéaire (17).
  10. Dispositif de pliage selon la revendication 9, caractérisé en ce que l'élément de fixation (20) sur la pièce de support (21) est raccordé à un système d'entraînement en vue d'un réglage.
  11. Dispositif de pliage selon l'une quelconque des revendications 1 à 9, caractérisé en ce qu'un dispositif de lissages de plis (5) est placé immédiatement en amont du système de serrage (3), vu dans la direction d'alimentation (c) de la pièce à travailler (6).
  12. Dispositif de pliage selon la revendication 11, caractérisé en ce que le dispositif de lissage de plis (5) présente des mâchoires coulissantes (37) pouvant s'appliquer contre la pièce à travailler (6) à plier.
  13. Dispositif de pliage selon l'une quelconque des revendications 1 à 12, caractérisé en ce qu'une commande de programme est prévue pour piloter les différents entraînements rotatifs (9, 10, 11) et systèmes d'entraînement.
  14. Dispositif de pliage selon l'une quelconque des revendications 1 à 13, caractérisé en ce qu'un système d'entraînement supplémentaire est prévu par lequel la tête de pliage (2) peut être déplacée dans deux directions perpendiculaires entre elles (a, b), respectivement à leur tour perpendiculaires à la direction d'alimentation (c) de la pièce à travailler (6) à plier.
  15. Dispositif de pliage selon l'une quelconque des revendications 1 à 10, caractérisé en ce que du côté de la pièce à travailler (6) sur lequel est disposé le système de serrage (3), un rouleau de guidage (42), monté de façon stationnaire, pour la pièce à travailler (6) est placé en amont du système.
  16. Dispositif de pliage selon l'une quelconque des revendications 7 à 14, caractérisé en ce que le mandrin de pliage ainsi que la mâchoire de serrage du bloc de serrage (18) sont respectivement réalisés sous la forme d'un rouleau (50 ; 49) avec une rainure de guidage pour une application contre le côté rapproché de la pièce à travailler (6) à plier.
  17. Dispositif de pliage selon la revendication 11 ou selon l'une quelconque des revendications 13 à 16 en conjonction avec la revendication 11, caractérisé en ce que le dispositif de lissage de plis (5) présente au moins deux rouleaux de pression (47) disposés l'un après l'autre dans la direction d'alimentation de la pièce à travailler (6) à plier.
  18. Dispositif de pliage selon l'une quelconque des revendications 1 à 14, caractérisé en ce que le mandrin de pliage (7), vu en parallèle à son axe de pivotement (M), présente un axe central (X-X) de forme symétrique, sans symétrie de révolution mais situé de façon perpendiculaire à l'axe de rotation (M) et passant par celui-ci, dans lequel la rainure de façonnage (8) montée sur le mandrin de pliage (7) s'étend également de façon symétrique pour s'appliquer contre un côté de la pièce à travailler (7) à plier, vu par rapport à cet axe central longitudinal (X-X), des deux côtés du mandrin de pliage (7).
EP04007328A 2004-03-26 2004-03-26 Dispositif de pliage pour des pièces en forme de barre et de tube Expired - Lifetime EP1591174B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DE502004007277T DE502004007277D1 (de) 2004-03-26 2004-03-26 Biegevorrichtung für stab- und rohrförmige Werkstücke
AT04007328T ATE396799T1 (de) 2004-03-26 2004-03-26 Biegevorrichtung für stab- und rohrförmige werkstücke
EP04007328A EP1591174B1 (fr) 2004-03-26 2004-03-26 Dispositif de pliage pour des pièces en forme de barre et de tube
US11/088,102 US7234333B2 (en) 2004-03-26 2005-03-23 Machine for bending rod-shaped or tubular workpieces

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP04007328A EP1591174B1 (fr) 2004-03-26 2004-03-26 Dispositif de pliage pour des pièces en forme de barre et de tube

Publications (2)

Publication Number Publication Date
EP1591174A1 EP1591174A1 (fr) 2005-11-02
EP1591174B1 true EP1591174B1 (fr) 2008-05-28

Family

ID=34924534

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04007328A Expired - Lifetime EP1591174B1 (fr) 2004-03-26 2004-03-26 Dispositif de pliage pour des pièces en forme de barre et de tube

Country Status (4)

Country Link
US (1) US7234333B2 (fr)
EP (1) EP1591174B1 (fr)
AT (1) ATE396799T1 (fr)
DE (1) DE502004007277D1 (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2177287A2 (fr) 2008-10-17 2010-04-21 WAFIOS Aktiengesellschaft Agencement de joues de support destiné au support latéral de coulissement de pièces usinées en forme de tiges ou de tubes sur des cintreuses
EP2208549A1 (fr) 2009-01-16 2010-07-21 WAFIOS Aktiengesellschaft Outil de cintrage rotatif à traction avec bridage excentrique
DE102009024406A1 (de) 2009-06-09 2010-12-16 Wafios Ag Rotationsbiegewerkzeug mit Exzenterklemmung
WO2012126490A1 (fr) 2011-03-24 2012-09-27 Wafios Aktiengesellschaft Dispositif de cintrage pour pièces en forme de barre et de tube
WO2012130350A1 (fr) 2011-03-30 2012-10-04 Wafios Aktiengesellschaft Tête de pliage pour plier des pièces en forme de barre et de tube
CN110842061A (zh) * 2019-11-22 2020-02-28 杨立 一种冰箱铝管配件加工用的弯管机
CN110842060A (zh) * 2019-11-22 2020-02-28 杨立 一种冰箱铝管配件加工用的弯管机的工作方法

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004034638B4 (de) * 2004-07-16 2014-03-20 Volkswagen Ag Biegevorrichtung für Rohre
FR2900077B1 (fr) * 2006-04-21 2008-12-26 Numalliance Soc Par Actions Si Dispositif de cintrage de tubes ou profiles a structure symetrique pour double sens de cintrage et machine equipee du dispositif
FR2922127B1 (fr) 2007-10-15 2010-03-05 Jaubjaub Consulting Machine a cintrer un profile et outillage de cintrage pour une telle machine
DE102009024075B4 (de) * 2009-06-05 2012-11-29 Wafios Ag Biegevorrichtung für stabförmige Werkstücke
ITRM20090534A1 (it) * 2009-10-15 2011-04-16 Cml Int Spa Macchina curvaturbi per curvare a raggio fisso e variabile a sinistra e a destra un pezzo allungato
DE102010013688B4 (de) * 2010-04-01 2013-09-26 Wafios Ag Biegevorrichtung für längliche Werkstücke
JP5530802B2 (ja) * 2010-05-13 2014-06-25 三桜工業株式会社 パイプの曲げ加工装置
USD667469S1 (en) * 2012-04-02 2012-09-18 Greenlee Textron Inc. Portable bending table
CN102728670A (zh) * 2012-06-29 2012-10-17 辽宁同力达科技有限公司 U型换热管弯管机
ITRM20120620A1 (it) * 2012-12-06 2014-06-07 Libero Angelo Massaro Contromatrice ad inserti, per macchine di curvatura di tubi metallici.
DE102013200851B4 (de) 2013-01-21 2018-05-30 Wafios Aktiengesellschaft Biegevorrichtung für strangförmige Werkstücke
US10150154B2 (en) 2013-11-14 2018-12-11 Robert Kyle Hughes, JR. Tube bending machine with reversible clamp assembly
CN103920761B (zh) * 2014-05-04 2015-08-12 岳阳筑盛阀门管道有限责任公司 推拉式冷弯弯管机滑块活动托架
DE102016101908B4 (de) 2016-02-03 2017-11-02 Dengler Tubetec Gmbh Vorrichtung und Verfahren zum Biegen von Rohren
JP6682359B2 (ja) * 2016-05-27 2020-04-15 株式会社大平製作所 線材曲げ装置
DE102016116159B4 (de) 2016-08-30 2018-08-09 Dengler Tubetec Gmbh Verfahren und Vorrichtung zum Biegen von strangförmigen Werkstücken
CN106799434A (zh) * 2016-12-28 2017-06-06 武汉思瑞法机器人制造有限公司 一种多功能弯曲模结构
CN106623538A (zh) * 2016-12-28 2017-05-10 武汉思瑞法机器人制造有限公司 一种用于弯管机的弯管装置
CN106583517A (zh) * 2016-12-28 2017-04-26 武汉思瑞法机器人制造有限公司 一种用于弯管机的弯曲杆
CN106807809A (zh) * 2016-12-28 2017-06-09 武汉思瑞法机器人制造有限公司 一种用于弯管机上的弯曲头结构
DE102017210714A1 (de) * 2017-06-26 2018-12-27 Wafios Aktiengesellschaft Verfahren zur Herstellung eines Biegeteils und Biegemaschine zur Durchführung des Verfahrens
CN108543884A (zh) * 2018-05-21 2018-09-18 嘉兴金典电器有限公司 一种电热管自动弯管装置
CN109158509A (zh) * 2018-10-29 2019-01-08 镇江科胜电子科技有限公司 一种自动折弯装置用折弯机构
IT201800010409A1 (it) * 2018-11-16 2020-05-16 Cml Int S P A Macchina per curvare un pezzo allungato senza formazione di grinze
CN109772964B (zh) * 2018-11-28 2023-07-25 安徽德系重工科技有限公司 一种弯管装置及其使用方法
JP7328004B2 (ja) * 2019-05-23 2023-08-16 鹿島建設株式会社 鉄筋およびその製造方法
FR3105034B1 (fr) * 2019-12-23 2021-11-19 Numalliance Machine et procédé de cintrage
CN112092411B (zh) * 2020-07-31 2022-03-04 北京卫星制造厂有限公司 一种小口径、长尺寸非等厚薄形矩形管件成型工装及方法
CN112058963A (zh) * 2020-08-07 2020-12-11 秦素容 一种金属成型用可调节折弯角度的管状金属折弯设备
CN114453467B (zh) * 2021-12-28 2024-01-02 株洲兆源机电科技有限公司 一种适应于扁形导条的开环式涨型机
CN114346013B (zh) * 2022-01-10 2024-03-29 河南惠美装饰集团有限公司 一种钢结构安装工程用连接板折弯装置及折弯方法
FR3134526B1 (fr) 2022-04-14 2024-06-07 Numalliance Dispositif de cintrage, dans deux sens de cintrage, d’un profilé

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4760727A (en) * 1987-06-29 1988-08-02 Mcinerney Incorporated Electric bend head for bending tubes
FR2841162B1 (fr) * 2002-06-25 2005-01-14 Silfax Support de reglette pour machine a cintrer les tubes

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8359896B2 (en) 2008-10-17 2013-01-29 Wafios Aktiengesellschaft Support jaw arrangement for sliding lateral support of rod-shaped and tubular workpieces in bending machines
EP2177287A2 (fr) 2008-10-17 2010-04-21 WAFIOS Aktiengesellschaft Agencement de joues de support destiné au support latéral de coulissement de pièces usinées en forme de tiges ou de tubes sur des cintreuses
EP2208549A1 (fr) 2009-01-16 2010-07-21 WAFIOS Aktiengesellschaft Outil de cintrage rotatif à traction avec bridage excentrique
US8443644B2 (en) 2009-01-16 2013-05-21 Wafios Aktiengesellschaft Rotary-draw bending die with eccentric clamping
DE102009024406A1 (de) 2009-06-09 2010-12-16 Wafios Ag Rotationsbiegewerkzeug mit Exzenterklemmung
DE102009024406B4 (de) * 2009-06-09 2013-04-04 Wafios Ag Rotationsbiegewerkzeug mit Exzenterklemmung
DE102011014953A1 (de) 2011-03-24 2012-09-27 Wafios Ag Biegevorrichtung für stab- und rohrförmige Werkstücke
WO2012126490A1 (fr) 2011-03-24 2012-09-27 Wafios Aktiengesellschaft Dispositif de cintrage pour pièces en forme de barre et de tube
DE102011014953B4 (de) * 2011-03-24 2014-05-15 Wafios Ag Biegevorrichtung für stab- und rohrförmige Werkstücke
DE102011015570A1 (de) 2011-03-30 2012-10-04 Wafios Ag Biegekopf zum Biegen stab- und rohrförmiger Werkstücke
WO2012130350A1 (fr) 2011-03-30 2012-10-04 Wafios Aktiengesellschaft Tête de pliage pour plier des pièces en forme de barre et de tube
DE102011015570B4 (de) * 2011-03-30 2015-01-22 Wafios Ag Biegekopf zum Biegen stab- und rohrförmiger Werkstücke
US9468963B2 (en) 2011-03-30 2016-10-18 Wafios Aktiengesellschaft Bending head for bending rod- and pipe-shaped workpieces
CN110842061A (zh) * 2019-11-22 2020-02-28 杨立 一种冰箱铝管配件加工用的弯管机
CN110842060A (zh) * 2019-11-22 2020-02-28 杨立 一种冰箱铝管配件加工用的弯管机的工作方法
CN110842060B (zh) * 2019-11-22 2021-06-15 深圳龙图腾创新设计有限公司 一种冰箱铝管配件加工用的弯管机的工作方法
CN110842061B (zh) * 2019-11-22 2021-06-15 孟合力 一种冰箱铝管配件加工用的弯管机

Also Published As

Publication number Publication date
ATE396799T1 (de) 2008-06-15
EP1591174A1 (fr) 2005-11-02
US7234333B2 (en) 2007-06-26
US20050210945A1 (en) 2005-09-29
DE502004007277D1 (de) 2008-07-10

Similar Documents

Publication Publication Date Title
EP1591174B1 (fr) Dispositif de pliage pour des pièces en forme de barre et de tube
EP1700647B1 (fr) Dispositif de cintrage pour les pièces en forme de tube et de barre et dispositif de lissage de pli
EP2177287B1 (fr) Agencement de joues de support destiné au support latéral de coulissement de pièces usinées en forme de tiges ou de tubes sur des cintreuses
DE69014934T2 (de) Vorrichtung zum Formen von Schraubennahtrohren.
EP2547470B1 (fr) Dispositif de coupe d'ébauches de clous à partir d'un fil alimenté de manière intermittente
EP1849536A1 (fr) Machine de cintrage pour des pièces en forme de barre, telle que du fil ou du tube
CH652947A5 (de) Drahtbiegemaschine.
DE2446766A1 (de) Blasformvorrichtung
WO2019001982A1 (fr) Procédé de fabrication d'une pièce pliée et machine de pliage pour la mise en œuvre du procédé
EP0546319A1 (fr) Procédé de pliage par étirage de profils creux et machine de pliage par étirage à mandrin
DE19816403C2 (de) Vorrichtung zum Formen von Draht mit einer Drahtbremseinrichtung und Verfahren zum Formen von Draht
DE102011014953B4 (de) Biegevorrichtung für stab- und rohrförmige Werkstücke
DE102010018397B4 (de) Spreizbarer Biegekopf
DE69307461T2 (de) Anlage zum Herstellen von Produkten aus drahtförmigem Material
DE4117955A1 (de) Vorrichtung zum biegen von buegeln aus betonstahl
DE60010920T2 (de) System und verfahren zum wellen von spiralrohren
DE102009024406B4 (de) Rotationsbiegewerkzeug mit Exzenterklemmung
EP3116680B1 (fr) Dispositif et procédé de fabrication d'un arbre fonctionnel
DE60110229T2 (de) Druckmaschine und verfahren zur herstellung eines hohlkörpers
DE19919956C1 (de) Federwindeeinrichtung, insbesondere für Federwindemaschinen
DE1602064A1 (de) Verfahren zur Herstellung sich allmaehlich verjuengender Walzprofile und Maschine zu seiner Durchfuehrung
EP0321602B1 (fr) Dispositif d'avancement à pinces avec mécanismes à manivelle entraînés pneumatiquement ou hydrauliquement
DE102012018169B4 (de) Vorrichtung zum Vorschieben und Biegen von Profilen aus Metall
DE3523557C2 (fr)
CH689689A5 (de) Verfahren zur programmgesteuerten Dünnblech-Bearbeitung sowie Dünnblech-Bearbeitungsmaschine.

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20040924

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR

AX Request for extension of the european patent

Extension state: AL LT LV MK

AKX Designation fees paid

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR

RTI1 Title (correction)

Free format text: BENDING DEVICE FOR BAR AND TUBE-SHAPED WORKPIECES

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

Free format text: NOT ENGLISH

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

REF Corresponds to:

Ref document number: 502004007277

Country of ref document: DE

Date of ref document: 20080710

Kind code of ref document: P

REG Reference to a national code

Ref country code: CH

Ref legal event code: NV

Representative=s name: KELLER & PARTNER PATENTANWAELTE AG

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

Free format text: LANGUAGE OF EP DOCUMENT: GERMAN

REG Reference to a national code

Ref country code: SE

Ref legal event code: TRGR

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20080528

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20080528

Ref country code: ES

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20080908

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: NL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20080528

NLV1 Nl: lapsed or annulled due to failure to fulfill the requirements of art. 29p and 29m of the patents act
REG Reference to a national code

Ref country code: IE

Ref legal event code: FD4D

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: PT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20081028

Ref country code: CZ

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20080528

Ref country code: DK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20080528

Ref country code: IE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20080528

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: RO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20080528

Ref country code: SK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20080528

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: BG

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20080828

Ref country code: EE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20080528

26N No opposition filed

Effective date: 20090303

BERE Be: lapsed

Owner name: WAFIOS A.G.

Effective date: 20090331

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MC

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20090331

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: BE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20090331

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: PL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20080528

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: AT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20090326

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20080829

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LU

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20090326

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: CH

Payment date: 20110324

Year of fee payment: 8

Ref country code: SE

Payment date: 20110314

Year of fee payment: 8

Ref country code: FR

Payment date: 20110404

Year of fee payment: 8

Ref country code: IT

Payment date: 20110324

Year of fee payment: 8

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: HU

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20081129

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20110325

Year of fee payment: 8

Ref country code: GB

Payment date: 20110321

Year of fee payment: 8

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: TR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20080528

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: CY

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20080528

REG Reference to a national code

Ref country code: SE

Ref legal event code: EUG

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20120327

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20120326

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

Effective date: 20121130

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20120331

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20120326

Ref country code: CH

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20120331

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20120402

REG Reference to a national code

Ref country code: DE

Ref legal event code: R119

Ref document number: 502004007277

Country of ref document: DE

Effective date: 20121002

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20120326

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20121002