EP2611555A1 - Biegerichtmaschine für ein langes werkstück und zu- und abfördervorrichtung hierfür sowie verfahren zum biegerichten von langen werkstücken - Google Patents
Biegerichtmaschine für ein langes werkstück und zu- und abfördervorrichtung hierfür sowie verfahren zum biegerichten von langen werkstückenInfo
- Publication number
- EP2611555A1 EP2611555A1 EP11767618.9A EP11767618A EP2611555A1 EP 2611555 A1 EP2611555 A1 EP 2611555A1 EP 11767618 A EP11767618 A EP 11767618A EP 2611555 A1 EP2611555 A1 EP 2611555A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- workpiece
- long
- gripping head
- processing
- head
- 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
Links
- 238000000034 method Methods 0.000 title claims description 9
- 238000012545 processing Methods 0.000 claims abstract description 75
- 238000005452 bending Methods 0.000 claims description 59
- 238000001514 detection method Methods 0.000 claims description 45
- 238000003754 machining Methods 0.000 claims description 11
- 238000007599 discharging Methods 0.000 claims description 4
- 238000003825 pressing Methods 0.000 claims description 3
- 239000008141 laxative Substances 0.000 claims 1
- 230000002475 laxative effect Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000000284 resting effect Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000013598 vector Substances 0.000 description 1
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
- B21D3/00—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts
- B21D3/10—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts between rams and anvils or abutments
-
- 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
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/006—Feeding elongated articles, such as tubes, bars, or profiles
-
- 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
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/02—Advancing work in relation to the stroke of the die or tool
- B21D43/026—Combination of two or more feeding devices provided for in B21D43/04 - B21D43/18
-
- 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
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/02—Advancing work in relation to the stroke of the die or tool
- B21D43/04—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work
- B21D43/10—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work by grippers
Definitions
- the invention relates to a bending machine with the features of the preamble of claim 1 and a feed and discharge device therefor according to claim 2 and a method for bending of long workpieces according to claim 15.
- a bending machine for a long workpiece with two height and distance variable provided a processing path defining detection devices.
- the two detection devices support the long workpiece at least between the bending steps in different tool positions, in particular at the workpiece ends, in an approximately horizontal position and allow a rotary drive about the workpiece axis in order to prevent bending.
- the bending machine has at least two in the longitudinal direction of the workpiece between the detection devices at a distance from each other - viewed in the longitudinal direction of the workpiece - arranged jambs for supporting the workpiece against the directionally pressing on the workpiece straightening forces.
- At least one straightening stamp is directed from the opposite side of the strait amirs between the straightening anvils against the workpiece and generates the straightening forces.
- the straightening die and the directional anvils are along the workpiece along the processing line and possibly - but not necessarily - even beyond.
- a device for feeding and discharging the long workpiece for the bending levels allows its supply and removal in and out of the processing line.
- Manually controlled straightening equipment for steel bars used in steelworks and processing plants are usually equipped with a motorized roller conveyor to move and straighten the bar for straightening through the straightening press.
- the bars to be straightened usually have a round cross-section with a diameter between 80 and 450 mm and lengths between 2 m and 30 m. They are transported rolling on the so-called roller conveyors from a feed position to the straightening position and from there to a discharge position horizontally, ie also in the area of the processing line.
- Generic bend straightening machines are u. A. in DE 25 24 310 A and in DE 197 25 033 C1 and DE 20 2006 008 001 U described.
- the bending machine acts in a horizontal direction on the bar steel resting on the roller conveyor during the entire procedure.
- the circumferential angular position of the workpiece is changed, for example, by so-called chain turners, so that the bending is possible not only in all longitudinal positions but also in all angular or circumferential positions of the workpiece.
- Such bending machines are, for example, by Röcher GmbH & Co. KG in Netphen.
- the bending of long workpieces resting on a roller conveyor has accuracy limits among other reasons because the elastic recovery of the long workpiece after each bending step is hindered by frictional forces between the workpiece and the roller conveyor.
- bending machines DE 101 44 135 C1
- a detection device is used, which also allows a rotation of the workpiece about its longitudinal axis and which define a processing path in the straightening press.
- the straightening press can be moved along the workpiece, which is supported only at its ends, into the respectively desired bending-jaw positions.
- the detection devices are variable in distance along the machining path.
- the workpiece to be machined can be placed in its supports on the detection devices by means of a crane device.
- This labor-intensive loading operation of the bending machine can be simplified by the detection means having pivot means which permit to detect a workpiece adjacent to the processing line and parallel to it and in an approximately 180 degree pivoting step from the feed position transverse to its longitudinal direction into the processing line to pivot into the bending machine.
- the detection means having pivot means which permit to detect a workpiece adjacent to the processing line and parallel to it and in an approximately 180 degree pivoting step from the feed position transverse to its longitudinal direction into the processing line to pivot into the bending machine.
- a bending machine with the features of claim 1 Accordingly, it is provided that in extension of the processing line on at least one head end thereof excludes a horizontal conveyor for the long workpiece in a straight extension of the processing path. At least one of the two detection devices has a gripping head. The gripping head permits frictional gripping of an end region of the long workpiece conveyed by the horizontal conveying means. It is further provided to draw in the non-directional workpiece by means of the gripping head and a drive means in the processing section.
- the gripping head pushes the directed workpiece onto the same or an opposite horizontal conveyor in a straight extension of the processing line. Accordingly, at least one of the detection devices can be moved virtually along the entire processing path along with the long workpiece held by its gripping head along the processing path. It may be the processing of workpieces under defenceli- rather length provided, with lengths of 3 m to 40 m, in particular from 4 m to 30 m, can be provided. As with MAE's ASV-L Series Bending Machines, the two workpiece end detectors can be adjusted in height to lower the workpiece to the anvils of the bending machines in its various bending positions.
- the directional anvils can instead be lifted to support the long workpiece and remain lowered between the bending steps during the longitudinal process of the bending machine along the processing path.
- the workpiece is detected by the two detection devices regardless of its length at the ends, supported and rotated in any desired rotational position about the longitudinal direction of the workpiece ,
- the invention also provides the feeding and removal device for long workpieces in a processing machine, and a method for continuous line production or processing of long workpieces according to claims 12 or 13, which are each of independent inventive importance. While it is provided according to a first embodiment according to the supply and discharge device for long workpieces to allow the horizontal transport of the long workpiece within the processing section by drive means for horizontal movement of the gripping head, provides an alternative embodiment (according to claim 11 before) between the two fitting devices to provide arranged roller blocks, which are movable parallel to the detection devices and thus along the processing line.
- the roller blocks have horizontal support means, such as a roller table corresponding roles, which are selectively displaceable under the processing line so that they support the long workpiece at least during its supply and removal in and out of the processing line.
- the horizontal support means are transversely displaceable back to the processing line in a position in which they do not hinder the processing machine.
- FIG. 1 shows a bending machine in a side view without a workpiece
- FIG. 2 A / B shows the same bending machine in a feed position (Fig. 2A) and in the workpiece gripping position (Fig. 2B);
- FIG. 3 AE shows the same bending machine with a workpiece in its bending position: before closing the second gripping head (FIG. 3A), with both gripping heads closed (FIG. 3B), with opened second gripping head (FIG. 3C) and in view from FIG at the top (Figure 3D) and during the removal of the long workpiece ( Figure 3E);
- FIG. 4 A-E an alternative embodiment of a processing station for a long time
- FIG. 5 shows an optional detection device for a bending machine according to FIG.
- FIG. 6 shows an alternative detection device for the line processing of long workpieces
- FIG. 7A-C of the detection device of Figure 6 the gripping head in end view for processing elongated workpieces of different cross-sectional shapes
- 8 shows an alternative design (O-shape) of a bending machine in an end-side, schematic representation
- Fig. 9 is a plan view of a laterally open Bie mergemaschine (C-shape) in a highly simplified, schematic representation.
- a straightening machine As shown in FIG. 1, a straightening machine, generally designated 100, comprises a press frame 1 with a vertically acting straightening head 1A and vertically movable straightening heads 1B, 1C horizontally movable along guide rails 4, 4A, 4B.
- Two detection devices 2A, 2B like the press frame 1, along the guide rails 4, 4B of a machine base 5 motor-driven longitudinally displaceable.
- the press frame 1 is arranged stationary, which is not shown in the figures.
- the processing path WP is (by definition) wholly or partially by the provided on the detection devices 2A and 2B and otherwise described in more detail below gripping heads 8A, 8B for supporting and for the rotary drive of the horizontally disposed workpiece W. Consequently, the processing path WP is at least that long as the longest possible machinable in the bending machine workpiece W together with the length of the gripping heads. In order to direct existing on the workpiece end deformations, it is of course also possible to drive the straightening press on the gripping head and drive the / the anvil under the protruding from the gripping head workpiece end.
- At least one head end WPA and / or WPB of the processing path WP each have a horizontal conveying means 3, as can be seen in particular from FIGS. B. as roller table 3A, 3B.
- a horizontal conveyor 3 can extend only in one of the two extensions EPA or EPB (not shown).
- the gripping zones of the gripping heads 8A, 8B are at their center, in particular with their center of rotation, approximately in the center of the workpiece W. Due to the height changeability of the detection devices, which are represented by a Height changeability of the gripping heads can be realized, the gripping head is adjusted or preset according to the thickness of the workpiece W in height and thus adapted the gripping head to the height of the workpiece center relative to the roller table 3A, 3B. In principle, the horizontal conveyor 3 can be adjusted in height. As can be seen from FIG.
- the workpiece W is moved beyond the end of the roller table 3A during advancement in the direction of the processing path WP, so that it protrudes with respect to the roller table.
- the right-hand end of the workpiece is advanced by the gripping head 8A of the left-hand detection device 2A into the gripping zone of the gripping head 8B in the right-hand detection device 2B.
- the gripping or clamping means of the second gripping head 8B are moved towards the end zone of the workpiece W which encompasses the right-hand workpiece end WB and braced with it.
- the gripping head 8B together with the workpiece W is then moved to the right by means of the right-hand detection device 2B along the processing path WP.
- a suitable drive is provided.
- the gripping means of the left-hand detection device 2A remain open so that the workpiece can be guided through the left-hand detection device 2A more or less unhindered.
- the gripping head 8B is in frictional engagement with the workpiece W and is already displaced along the guide rail 4B as far to the right as the workpiece length requires to follow its left end zone (WA) from the gripping head 8A also be clamped, as shown in Figure 3B for straightening operations.
- the gripping heads 8A / 8B are rotatable about the workpiece longitudinal axis, so that the workpiece can be measured and bent in the usual way.
- the press frame 1 moves along the processing path WP, in order to reach all the required Bieachpositionen along the workpiece.
- the workpiece W can either be pushed back into the original position shown in FIG. 2A / B or can be advanced in the opposite direction to the opposite roller table 3B, as in FIGS shown.
- the corresponding detection device moves the gripper head (in the embodiment the left) along the processing path WP with the gripper head 8A closed and the gripper head 8B open to the right.
- FIG. 3D A plan view of a bending machine, in particular according to FIGS. 3A to 3C, can be seen in FIG. 3D.
- the contours of the It can be useful if the gripping heads 8A, 8B or the detection devices 2A, 2B in the horizontal direction according to the directional arrows 40 transversely to Processing section WP are movable.
- FIG. 4A shows a situation of feeding in a long workpiece W including its length measurement.
- the position of two or more roller blocks 30 located between the detectors 2A / B is adjusted along the guide rail 4B of the workpiece length.
- the belonging to the roller blocks 30 horizontal support means 33 may, in principle, also be formed as support rollers, as they are also used for the roller table 3A / 3B. It can be seen from FIG. 4C how, with the barrier 20 open, the long workpiece W, displaced by the horizontal support means 33, is displaced into the detection position of the gripping heads.
- the horizontal support means 33 are withdrawn from their position below the processing path WP in a position shown in Figure 4D.
- the processing of the long workpiece W may be performed in various machining positions, such as with a bending machine, while the long workpiece is temporarily clamped at its end portions by the gripping heads 8A and 8B.
- FIG. 4E It can be seen from FIG. 4E that, after machining the long workpiece, it can be displaced together with the roller blocks (30) and the detection devices 2A / B as a whole (in the drawing to the right).
- the workpiece support on the again under the processing line WP displaced horizontal support means 33 take place.
- a still unprocessed long workpiece of different length and / or different cross-section is already advanced in this illustration through the roller conveyor 3A up to a lock 20 for the next processing cycle.
- Figures 6 and 7A-C show a gripping head 8 in the manner of a two-jaw chuck.
- a base housing 11 is attached via vertically movable guide balances 12 to the known from Figures 1 to 4 detection devices 2A, 2B and this height adjustable.
- the base housing 1 1 has a large-scale center recess 11A for pushing through of workpieces W to be machined.
- a turntable 13 adjoins the base housing 11 and carries a rotary head 14 that is rotatable in its circumferential direction through 360 °.
- the turntable 13 is suitable for at least partially passing the workpiece W insofar as it comprises a substantially closed, ring-like component on the circumference, but in the middle at least one opening or a variable passage.
- the rotary head 14 accommodates two motor-driven spindles 15A, 15B in lateral and in the present and in this case preferred non-centric alignment. Each of the two spindles is connected to one of two opposing jaws 18A, 18B, which are independently adjustable along guide rails 16A, 16B and with guide carriages 17A, 17B.
- the guide rails 6A, 16B may be disposed on one side of the workpiece W or (as shown) on different sides.
- the Spannba The work piece W, which can travel through the chuck without collision through the open construction for loading and unloading in the axial direction, fixes the workpiece. Gripping heads with features of the aforementioned type are of independent inventive importance.
- clamping of round, square, rectangular but also other polygonal cross-sectional shapes of the workpiece is possible with one and the same pair of clamping jaws. Without manual intervention, a large clamping range is covered, such as round and square bars in the size range 120 to 150 mm or rectangular to 120 x 600 mm.
- the independent adjustability of upper and lower jaw balances the different jaw geometries 19A, 19B (prismatic top and bottom straight) and workpiece cross-sections. Jaws with features of the aforementioned type are of independent inventive importance.
- gripping heads are shown with two different clamping jaws from each other; but it is also possible to use instead three or more different jaws without leaving the inventive concept.
- the prismatic jaw is turned downwards for better centering. Particularly advantageous is the free rotation. Round rods can thus be measured in a rotating manner and form errors can be better filtered out.
- the concentricity error vectors on round bars can be positioned exactly upwards, so that the straightening process runs optimally.
- FIG. 1 An end-face and schematic view of a bending machine 100 with a closed machine frame 120 can be seen in FIG.
- a guide rail 4B is arranged, along which the gripping heads 8A, 8B and / or the detection devices 2A, 2B are movable.
- the gripping heads 8A, 8B are displaced along the directional arrows 40, 45. kal, ie in height and / or horizontally, ie substantially perpendicular to the line of action of the straightening head 1A within the frame 120 movable.
- FIG. 9 A schematic and greatly simplified illustration of a view of a preferably to one side open bending machine 100 can be taken from Figure 9, wherein the frame of the machine in profile may have an approximately C-shaped configuration.
- the introduction of the workpiece W can take place along the processing path WP.
- the workpiece along the path according to the solid line in Figure 9 may first be arranged parallel to the processing line in front of the press frame 1 (ie before the opening of the C-shaped frame), before it is then moved along the directional arrow 40 in the processing position, so that its position after this horizontal movement coincides with the processing path WP. Collisions of the gripping heads 8A, 8B with the anvils or the straightening head can thus be avoided.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
- Jigs For Machine Tools (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE202010011976U DE202010011976U1 (de) | 2010-08-30 | 2010-08-30 | Biegerichtmaschine für ein langes Werkstück und Zu- und Abfördervorrichtung hierfür |
PCT/EP2011/004359 WO2012028296A1 (de) | 2010-08-30 | 2011-08-30 | Biegerichtmaschine für ein langes werkstück und zu- und abfördervorrichtung hierfür sowie verfahren zum biegerichten von langen werkstücken |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2611555A1 true EP2611555A1 (de) | 2013-07-10 |
EP2611555B1 EP2611555B1 (de) | 2016-12-28 |
Family
ID=44785794
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP11767618.9A Active EP2611555B1 (de) | 2010-08-30 | 2011-08-30 | Biegerichtmaschine für ein langes werkstück und zu- und abfördervorrichtung hierfür sowie verfahren zum biegerichten von langen werkstücken |
Country Status (5)
Country | Link |
---|---|
US (1) | US9440274B2 (de) |
EP (1) | EP2611555B1 (de) |
CN (1) | CN103228373B (de) |
DE (1) | DE202010011976U1 (de) |
WO (1) | WO2012028296A1 (de) |
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BE795550A (fr) * | 1972-02-17 | 1973-06-18 | Siemens Ag | Dispositif pour redresser des tubes |
DE2524310B2 (de) * | 1975-06-02 | 1978-06-22 | Gebrueder Roecher, Maschinen- U. Apparatebau, 5904 Eiserfeld-Eisern | Hydraulische Richtpresse für stabförmige Werkstücke |
JPS55122630A (en) * | 1979-03-16 | 1980-09-20 | Hitachi Ltd | Method and apparatus for straightening of bar material |
JPS571520A (en) | 1980-06-04 | 1982-01-06 | Giken Seisakusho:Kk | Straightening machine for metallic shape |
JPS57146422A (en) * | 1981-03-06 | 1982-09-09 | Toshiba Corp | Automatic straightening device for shape steel |
DE3601075C1 (de) | 1986-01-16 | 1987-04-16 | Keuro Maschb Gmbh & Co Kg | Vorrichtung zum Vorschub stangenfoermigen Werkstueckmaterials bei einer Trennmaschine |
DE3834546A1 (de) | 1988-10-11 | 1990-04-12 | Kuchenhart Friedrich Wilhelm | Vorrichtung zum klemmenden halten und verdrehen eines zylindrischen werkstuecks |
CA2003437C (en) * | 1988-11-22 | 1999-08-10 | Minoru Aoyagi | Workpiece conveying method and device for a cutting machine |
CA2033083C (en) * | 1989-05-19 | 1999-07-20 | Toru Tokiwa | Cut sections conveying device for a cutting machine |
DE3927530A1 (de) * | 1989-08-21 | 1991-03-14 | Keuro Maschinenbau Gmbh | Vorrichtung zur handhabung stangenfoermigen werkstueckmaterials bei einer kaltkreissaege |
DE4022951C2 (de) | 1990-07-19 | 1994-05-11 | Mae Maschinen U Apparatebau Go | Biegerichtmaschine für Profilabschnitte |
US5353910A (en) * | 1992-12-23 | 1994-10-11 | Hem, Inc. | Shuttle vise assembly for a feed table apparatus |
US5980191A (en) | 1997-01-15 | 1999-11-09 | Trible; William | Rectangular tube clamping and maneuvering apparatus |
DE19725033C1 (de) * | 1997-06-13 | 1999-01-21 | Mae Maschinen U Apparatebau Go | Automatische Biegerichtmaschine |
JP3976401B2 (ja) * | 1998-05-29 | 2007-09-19 | 株式会社山田ドビー | 連続素材送り装置の制御装置 |
DE10114263C1 (de) | 2001-03-22 | 2002-04-25 | Keuro Besitz Gmbh & Co | Verfahren und Vorrichtung zum Abtransport der mit einer Trennmaschine von stangenförmigem Werkstückmaterial abgetrennten Abschnitte |
DE10144135C1 (de) | 2001-09-07 | 2003-07-03 | Mae Maschinen U Appbau Goetzen | Biegerichtmaschine für ein langes Werkstück |
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DE202006008001U1 (de) * | 2006-05-17 | 2007-09-27 | MAE Maschinen- und Apparatebau Götzen GmbH & Co. KG | Biegerichtmaschine für längliche Werkstücke |
CN201552210U (zh) * | 2009-07-03 | 2010-08-18 | 成都莱克冶金机械设备制造有限公司 | 卧式压力矫直机 |
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2010
- 2010-08-30 DE DE202010011976U patent/DE202010011976U1/de not_active Expired - Lifetime
-
2011
- 2011-08-30 US US13/810,129 patent/US9440274B2/en active Active
- 2011-08-30 WO PCT/EP2011/004359 patent/WO2012028296A1/de active Application Filing
- 2011-08-30 EP EP11767618.9A patent/EP2611555B1/de active Active
- 2011-08-30 CN CN201180042138.2A patent/CN103228373B/zh active Active
Non-Patent Citations (1)
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN116586466A (zh) * | 2023-06-14 | 2023-08-15 | 大连石岛工业有限公司 | 一种新型船舶绑扎件拉杆智能校直系统 |
Also Published As
Publication number | Publication date |
---|---|
US20130160514A1 (en) | 2013-06-27 |
US9440274B2 (en) | 2016-09-13 |
WO2012028296A1 (de) | 2012-03-08 |
CN103228373A (zh) | 2013-07-31 |
CN103228373B (zh) | 2016-08-03 |
DE202010011976U1 (de) | 2011-12-01 |
EP2611555B1 (de) | 2016-12-28 |
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