EP3426421A1 - Device for producing reinforcement cages - Google Patents
Device for producing reinforcement cagesInfo
- Publication number
- EP3426421A1 EP3426421A1 EP17712045.8A EP17712045A EP3426421A1 EP 3426421 A1 EP3426421 A1 EP 3426421A1 EP 17712045 A EP17712045 A EP 17712045A EP 3426421 A1 EP3426421 A1 EP 3426421A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- spindle
- guide
- drive
- longitudinal
- guide element
- 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.)
- Withdrawn
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21F—WORKING OR PROCESSING OF METAL WIRE
- B21F27/00—Making wire network, i.e. wire nets
- B21F27/12—Making special types or portions of network by methods or means specially adapted therefor
- B21F27/121—Making special types or portions of network by methods or means specially adapted therefor of tubular form, e.g. as reinforcements for pipes or pillars
- B21F27/122—Making special types or portions of network by methods or means specially adapted therefor of tubular form, e.g. as reinforcements for pipes or pillars by attaching a continuous stirrup to longitudinal wires
- B21F27/124—Making special types or portions of network by methods or means specially adapted therefor of tubular form, e.g. as reinforcements for pipes or pillars by attaching a continuous stirrup to longitudinal wires applied by rotation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21F—WORKING OR PROCESSING OF METAL WIRE
- B21F1/00—Bending wire other than coiling; Straightening wire
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21F—WORKING OR PROCESSING OF METAL WIRE
- B21F15/00—Connecting wire to wire or other metallic material or objects; Connecting parts by means of wire
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21F—WORKING OR PROCESSING OF METAL WIRE
- B21F45/00—Wire-working in the manufacture of other particular articles
- B21F45/006—Wire-working in the manufacture of other particular articles of concrete reinforcement fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/002—Resistance welding; Severing by resistance heating specially adapted for particular articles or work
- B23K11/008—Manufacturing of metallic grids or mats by spot welding
- B23K11/0086—Grids or mats used in concrete structures
Definitions
- the present invention relates to a device for producing reinforcement cages, in particular for concrete pipes, according to the preamble of patent claim 1 and Lhacksstabt ⁇ tion device for the device according to claim 11.
- Such devices are used to helically wrap wire around a plurality of longitudinal bars and to weld to the longitudinal bars, thereby forming reinforcing baskets.
- Such devices are known from DE3422420, DE2946297, DE1752908 and DE1552159. These devices have a longitudinal bar guide device with a plurality of guide elements, of which the longitudinal bars are guided, a wire guide device, a longitudinal wire clamp device and a welding device.
- the longitudinal rod guide device the desired relative Anord ⁇ voltage of the longitudinal rods to each other safely.
- the longitudinal wire clamp device clamps the longitudinal bars at one end so that they can be pulled by the longitudinal bar guide means due to a relative, linear displacement of the longitudinal wire clamp to the longitudinal bar guide means.
- the longitudinal wire clamp is provided on a clamp carriage.
- the relative linear displacement of the longitudinal wire clamp to the longitudinal bar guide is caused by the method of the clamp carriage.
- the Drahtrak ⁇ tion device provides the helical positioning of the wire on the longitudinal bars, while these through the
- Concrete parts can generally very well withstand pressure loads, but only very bad tensile loads.
- the reinforcement baskets serve to absorb the tensile loads that occur in the concrete parts.
- Concrete pipes usually have a cylindrical pipe section, at one end of a
- the first transmission line is designed such that by actuation of the first hydraulic cylinder, the guide elements can be moved equally far nen, while the second transmission line is formed so that the guide elements are moved by different amounts by actuation of the second hydraulic cylinder.
- the displacements of different widths are achieved by means of manually adjustable drivers which are fastened to the adjustment rods.
- the positions of the engineerssele ⁇ elements are not always clearly defined due to the use of drivers.
- the shape and size of the Beweh ⁇ ing basket is also severely limited by the Abmessun ⁇ conditions of the elements of the first and second transmission line.
- the present invention has for its object to provide a device for the production of reinforcement cages and an associated longitudinal bar guide device, which make it possible to vary the shape of the cross section of the reinforcing cage.
- the object underlying the invention is achieved by a device for producing reinforcement cages with the features of the characterizing part of patent claim 1 and a longitudinal bar guide device having the features of the characterizing part of patent claim 11.
- the present invention relates to an apparatus for producing reinforcing cages with a plurality of longitudinal bars around which a wire, preferably helical, is welded, which is welded to the longitudinal bars, in particular for concrete pipes, the apparatus comprising a longitudinal bar guiding device with a plurality of guide elements and a plurality of radial guides, in each case to guide one of the guide elements, wherein the radial guides each comprise a spindle device with at least one spindle, and wherein at least two guide element drives are provided which are adapted to move one of the guide elements independently along the associated radial guide.
- a spindle is preferably a threaded spindle
- a spindle device is a device which comprises at least one spindle.
- the spinning ⁇ spindles are preferably attached to the longitudinal bar guide means, especially preferably either mounted on the
- Longitudinal guide means mounted (preferably rotatably mounted in the longitudinal bar guide means mounted) or non-rotatably mounted on the longitudinal bar guide means.
- one or more guide columns are provided which are each carried out by a guide element or are.
- the guide element drives are each incorporated rich ⁇ tet, to keep the associated guide element by the method in egg ner position.
- the ceremoniessele ⁇ ment drives each adapted to hold the associated guide element ⁇ by the method in one position.
- the position of the guide elements is precisely defined every ⁇ time.
- a guide member drive is provided for each of the guide elements which is directed a ⁇ to proceed in each case one of the guide elements independently along the associated radial guide.
- the Longitudinal guide device ensures the desired relative arrangement of the longitudinal bars to each other.
- the longitudinal bar guide device is rotatable about an axis of rotation.
- the radial guides are formed so that the guide elements have at least one radialxskompo ⁇ nent, if they are each guided along the associated radial guide.
- each of Radi ⁇ al exchangeen runs (that is, a path to which the associated Füh ⁇ approximately element is forced by the associated radial guide) along a line, each of said lines having a tangent, with all these tangents surrounded in a E- lie and cut at a point through which preferably the axis of rotation of the longitudinal bar guide extends, wherein the axis of rotation is preferably perpendicular to the plane.
- the lines are straight or have a straight section against which the associated tangent rests.
- each of the radial guides runs along a line, wherein preferably all the lines lie in one plane and intersect at a point through which preferably passes the axis of rotation of the longitudinal bar guide, wherein the axis of rotation is preferably perpendicular to the plane.
- Alleli ⁇ che drives are preferably electric drives.
- the device also has a wire guide device, a longitudinal wire clamping device and a
- the longitudinal wire clamping means clamps the longitudinal rods fixed at one end, so that they can be pulled to ground ⁇ a relative linear displacement of the longitudinal wire clamping means to the longitudinal rod guide means by the longitudinal rod guide device.
- the longitudinal wire clamping device is rotatable about an axis of rotation which is identical to the axis of rotation of the longitudinal bar guide device.
- the rotations of the longitudinal bar guide means and the longitudinal wire clamping device are preferably synchronized by a controller.
- the Leksdrahtfest ⁇ clamping device is preferably on a traversing device, preferably a Festklemm Rheinsschlitten provided.
- the relative, linear displacement of the longitudinal wire clamping device to the longitudinal bar guide device is caused by the method of Festklemm Rheinsschlittens ⁇ .
- the wire guide means provides for the helical positioning of the wire on the longitudinal bars as they are pulled through the longitudinal bar guide means.
- the welding device is provided on a traversing device, preferably a welding device carriage. The welding device welds the wire to the
- Wire guide device and the welding device are already known from the prior art substantially, so that a detailed description is not required.
- All ⁇ Liche drives and the welding device are controlled by a controller. Detectors may be provided to detect the positions of all movable components of the reinforcement cage making apparatus and to return them to the controller.
- the device allows a reinforcement cage herzustel- len, having a portion with a non-round, in particular elliptic ⁇ schem, cross-section which is ideal for a cylindrical tube portion and a portion having a round cross-section which is ideal for a socket approach.
- both the diameter and the shape of the reinforcement cage can be varied.
- the ceremoniessele ⁇ ment drives are preferably designed as spindle drives.
- the spindles are preferably rotatably mounted on the longitudinal bar guide device.
- the spindle drives are preferably fastened to the longitudinal bar guiding device.
- the spindle drives are each provided at an outer end of the zugehö ⁇ cal (at least one) spindle.
- an outer end of a spindle is the end of the spindle (through which extends, for example, a rotational axis of the longitudinal rod guiding means) facing away from the center of the longitudinal ⁇ rod guide device.
- the spindle drive is at an outer end of the to-associated (at least one) are provided Spindle" preference as ⁇ that a drive element of the spindle drive, the (at least one) acts on the associated spindle, and so a Moving movement on the associated (at least one) spindle, closer to the outer end of the associated (at least one) spindle than at the other (inner) end of the associated (at least one) spindle, and / or that the distance between the Drive element of Spindelan ⁇ drive and the outer end of the associated (at least egg ⁇ nen) spindle is at most 60 cm, more preferably at most 30 cm, more preferably at most 10 cm ..
- the drive element and the outer end of the associated (at least one) spindle each rotatable with each other bound and have a common axis of rotation.
- the spindle drives can thus signal lines may be provided in an outer area of the Be ⁇ longitudinal rod guide means and in the immediate vicinity of power supply lines and / or for example, one or more
- each spindle passes through a spindle nut, which is non-rotatably attached to the respective guide element.
- a spindle nut is always a threaded spindle nut.
- Introductio ⁇ approximately element drive is provided for each spindle, which is formed as a spindle drive off, wherein the spindle drive is adapted to drive each ⁇ wells an associated spindle.
- the spindles, which belong to the same guide element, can also have a common spindle drive.
- each spindle nut is connected via a pivot bearing to the respective guide element, and is provided in the form of a spindle nut driver ⁇ in order to advance respective spindle nut arrival for each spindle nut, a guide member drive.
- the spindle nuts belonging to the same guide element can also have a common spindle nut drive.
- the spindles are rotatably provided on the longitudinal bar guide device.
- the spindles are rotatably mounted, and a spindle central drive is provided to synchronize the spindles. to drive chron.
- a power transmission from the central spindle drive takes place in each case via a gear on a spindle.
- a further spindle is provided for each guide element.
- the spindle and the further spindle, which belong to the same radial guide, may have a common spindle drive or two different spindle drives.
- each additional spindle passes through a further spin ⁇ delmutter, which is rotationally fixed to the respective guide element be ⁇ consolidates.
- each additional spindle nut is connected via a further pivot bearing to the respective guide member and any further spindle nut drivable by the spindle nut drive bar, which is adapted to drive the spindle nut of the jewei ⁇ time the guide element.
- the further spindle nut can be driven by a further spindle drive.
- each spindle drive is an electrical spindle drive, and the power supply to each spindle drive comprises one or more slip rings. The slip ring is contacted by a corresponding sliding contact.
- each power supply may comprise two slip rings (one slip ring for each polarity).
- the Stromversor ⁇ conditions for different spindle drives and one or include several common slip rings.
- the slip ring runs around the longitudinal rod guide device, and preferably the corresponding sliding contact is provided on a Rah ⁇ men, which surrounds the longitudinal rod guide device.
- at least one Sig ⁇ naltechnisch for control signals is provided for each spindle drive, which also comprises one or more slip rings. This slip ring is also contacted by a corresponding sliding contact.
- the signal lines for different spindle drives may also include one or more the Common ⁇ me slip rings.
- each grinding ring surrounds the longitudinal bar guiding device, the axis of rotation of the longitudinal bar guiding device passing through the center of the
- slip ring runs.
- the slip rings are provided on a frame which surrounds the longitudinal bar guide means.
- each guide member drive is an electric drive
- the power supply to each guide member drive includes one or more slip rings.
- the guide member drive is preferably configured either as a spindle drive or a spin ⁇ delmutterantrieb
- the slip ring is contacted by a corresponding sliding contact.
- each power supply may comprise two slip rings (one
- the power supplies for different drives can also ei ⁇ NEN or more common slip rings.
- the slip ring runs around the L Lucassstab Installationseinrich- device, and the corresponding sliding contact on a frame ⁇ men is provided, which surrounds the longitudinal bar guide means.
- at least one signal line is provided for each drive.
- provided for control signals which also comprises one or more slip rings. This slip ring is just ⁇ if contacted by a corresponding sliding contact.
- the signal lines for different drives can also take one or more common slip rings ⁇ .
- each slip ring surrounds the longitudinal bar ⁇ guiding device, wherein the axis of rotation of the longitudinal bar guide means extends through the center of the slip ring.
- the slip rings are provided on a frame surrounding the longitudinal bar guide means.
- the present invention further relates to a longitudinal bar guide device with a plurality of guide elements and a plurality of radial guides for guiding one of the guide elements for a device for producing reinforcement cages with a plurality of longitudinal bars around which, preferably helical, a wire runs, which welds to the longitudinal bars is, in particular for concrete pipes, wherein the Radial ⁇ guides each comprise a spindle device with at least ei ⁇ ner spindle, at least twoêtsele- ment drives are provided which are adapted to move one of the guide elements independently along the associated radial guide.
- the longitudinal bar guiding device can have all the features or combinations of features described in connection with the embodiments and further development of the device for producing reinforcing cages. In the following the invention will be described in more detail with reference to the drawing ⁇ voltages. Show it:
- FIG. 1A is a perspective view of an apparatus for producing reinforcement cages
- FIG. 1B is a perspective detail view which illustrates the longitudinal ⁇ rod guide means
- FIG. 2A is a front view of the longitudinal bar guide device
- FIG. FIG. 2B is a sectional view of the longitudinal bar guide device along the line A-A of FIG. 2A;
- FIG. 2C is a rear view of the longitudinal bar guide device
- FIG. 3A is a schematic view of a first embodiment of a spindle device
- FIG. 3B is a schematic view of a second embodiment of a spindle device
- FIG. 3C is a schematic view of a third embodiment of a spindle device
- FIG. 3D is a schematic view of a fourth embodiment of a spindle device
- FIG. 3E is a schematic view of a fifth embodiment of a spindle device
- FIG. 3F shows a schematic view of a sixth embodiment of a spindle device
- FIG. 3G is a schematic view of a seventh embodiment of a spindle device.
- FIG. 1A shows a perspective view of a device for producing reinforcement cages.
- FIG. FIG. 1B shows a perspective detail view illustrating the longitudinal bar guide device from FIG. 1B illustrates.
- the device for producing reinforcing cages comprises a rotatable longitudinal bar guide device 1 and a rotatable longitudinal bar clamp device 2.
- the longitudinal bar guide device 1 and the longitudinal bar clamping device 2 have a common axis of rotation.
- the longitudinal bar guide device 1 is accommodated in a cylindrical frame 3.
- a longitudinal bar guide device drive 4 is set up to rotate the longitudinal bar guide device 1 about its axis of rotation.
- a clamping device Lijnsstabfest- drive 5 is arranged to rotate the longitudinal rod ⁇ guide device 2 about its axis of rotation.
- the longitudinal bar guiding device 1 and the longitudinal wire clamping device 2 are movable relative to each other along their common axis of rotation.
- the longitudinal bar clamp 2 is provided on a clamp carriage 18.
- the clamping device carriage 18 is movable on an axial guide 6 with two opposite rails 7 along the common axis of rotation of the longitudinal bar guide device 1 and the longitudinal bar clamping device 2, wherein the longitudinal wire clamping device 2 is driven by a Festklemm worns- carriage drive 8.
- the longitudinal rod guide ⁇ device 1 comprises a plurality of radially movable guide ⁇ elements 9 (here for clarity twelve leadership are illustrated guide elements.
- each ⁇ wells by a radial slot 10 pass through in an aperture 11 and can be driven along a radial guide by a guide element drive (see FIG.
- a welding device 12 is provided on a welding device ⁇ slide 19 which is movable transversely to the common axis of rotation on a transverse guide 20, wherein the welding device carriage 19 is driven by a welding device drive 17.
- a wire 13 is guided by a wire guide device 14 which is provided on the welding device 12.
- the welding device 12 comprises a welding electrode 15. because a corresponding welding counter electrode 16 madebil ⁇ det.
- FIG. 2A shows a front view of the longitudinal bar guide device.
- FIG. 2B shows a sectional view of L Lucassstabrak ⁇ inference device 1 along the line AA of FIG. 2A.
- FIG. 2C shows a rear view of the longitudinal bar guide device 1.
- FIGS. 2A, FIG. 2B and FIG. 2C are for clarity only one radial guide 21 of the plurality of radial guides and one of the guide elements 9 of the plurality of guide members which are each ⁇ arranged wells along one of the radial slots 10 in the diaphragm 11, illustrated with an associated guide element drive 27th
- the radial guides 21 and guide elements 9 are substantially identical or identical and arranged only differently (angularly offset).
- the Radialde ⁇ ments 21 each have a rotatable spindle 23 and two guide columns 24.
- the rotatable spindle 23 passes through the guide member 9 and a spindle nut which is rotatably mounted on the guide member 9.
- the guide columns 24 also run through holes in the guide element 9.
- the guide elements 9 each have a guide tube 22 through which a longitudinal bar is passed in each case.
- a welding ⁇ counter electrode 16 is provided, on each of which a longitudinal bar, which is passed through the guide tube 22 is applied.
- a longitudinal bar guiding device drive 4 which rotates the longitudinal bar guiding device 1 in a cylindrical frame 3 about its axis of rotation.
- the longitudinal rod guide device 1 has a plurality of slip rings 25 which extend around the L Lucassstabtimate ⁇ inference device 1, the components of the power supply or signal lines of the guide element drives 27 are. These slip rings 25 are associated
- FIGS. 3A to 3G various embodiments of a radial guide are shown schematically. Functionally identical elements are designated by the same reference numerals.
- FIG. 3A shows a schematic view of a first exporting ⁇ approximate shape of a radial guide.
- the radial guide comprises a spindle 23 which is rotatably mounted and passes through a spindle nut 30.
- the spindle 23 is driven by a spindle drive 27.
- the spindle nut 30 is rotatably attached to the guide elements 9.
- a guide column 24 is provided in each case. This first embodiment corresponds to the embodiment shown in the previous figures.
- FIG. 3B shows a schematic view of a second exporting ⁇ approximate shape of a radial guide.
- the radial guide comprises a spindle 23 which is rotatably mounted and passes through a spindle nut 30.
- the spindle 23 is from a central
- FIG. 3C is a schematic view of a third exporting ⁇ approximate shape of a third radial guide.
- the radial guide comprises a spindle 23, which is secured against rotation and runs through a spindle nut 30.
- the spindle nut 30 is rotatably attached to the guide member 9.
- the spindle nut 30 is driven by a spindle nut drive 28.
- On two sides of the spindle gege ⁇ nüber technically ⁇ a guide column 24 is provided in each case.
- FIG. 3D shows a schematic view of a fourth exporting ⁇ approximate shape of a radial guide.
- the radial guide comprises two spindles 23, which are each rotatably mounted and run by ei ⁇ ne spindle nut 30. Both spindles 23 are driven by the same spindle drive 27.
- the spindle nuts 30 are non-rotatably attached to the guide element 9.
- FIG. 3E shows a schematic view of a fifth embodiment ⁇ approximate shape of a radial guide.
- the radial guide comprises two spindles 23, which are each rotatably mounted and run by ei ⁇ ne spindle nut 30. Both spindles 23 are driven by two different spindle drives 27.
- the spindle nuts 30 are rotationally fixed to the guide element 9 be ⁇ consolidates.
- FIG. 3F shows a schematic view of a sixth embodiment of a radial guide.
- the radial guide comprises two spindle 23 which are fixed in rotation and each run through a spindle nut 30.
- the spindle nuts 30 are rotatably mounted on the guide element 9.
- the spin ⁇ delmuttern 30 are driven by a spindle nut drive 28 ⁇ .
- FIG. 3G is a schematic view of a seventh exporting ⁇ approximate shape of a radial guide.
- the radial guide comprises two spindles 23, which are fixed in rotation and each run through a spindle nut 30.
- the spindle nuts 30 are rotatably attached to the guide member 9.
- the tern Spindelmut- 30 are each driven by a spindle nut drive 28 on ⁇ .
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102016104554 | 2016-03-11 | ||
PCT/EP2017/055756 WO2017153602A1 (en) | 2016-03-11 | 2017-03-10 | Device for producing reinforcement cages |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3426421A1 true EP3426421A1 (en) | 2019-01-16 |
Family
ID=58360966
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP17712045.8A Withdrawn EP3426421A1 (en) | 2016-03-11 | 2017-03-10 | Device for producing reinforcement cages |
Country Status (3)
Country | Link |
---|---|
US (2) | US20190047040A1 (en) |
EP (1) | EP3426421A1 (en) |
WO (1) | WO2017153602A1 (en) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108655599A (en) * | 2018-04-13 | 2018-10-16 | 合肥海银杆塔有限公司 | A kind of internal steel reinforcement cage automatic soldering device of shaft tower processing |
EP3946775A1 (en) * | 2019-04-04 | 2022-02-09 | MBK MASCHINENBAU GmbH | Apparatus for equipping a basket welding machine and basket welding machine |
CN110116263B (en) * | 2019-05-07 | 2021-04-09 | 东莞市建安管桩有限公司 | Automatic change steel reinforcement cage production line |
CN110560998B (en) * | 2019-09-05 | 2021-08-20 | 南京昱晟机器人科技有限公司 | Strutting arrangement for welding of basic construction steel bar |
CN111715824A (en) * | 2020-06-22 | 2020-09-29 | 苏州海宏水泥制品有限公司 | Steel reinforcement cage weaving forming equipment and process of concrete pipe pile |
DE102020117467A1 (en) * | 2020-07-02 | 2022-01-05 | Mbk Maschinenbau Gmbh | Device for the production of a metal mesh reinforcement and machine |
CN111843156A (en) * | 2020-07-23 | 2020-10-30 | 江苏维骏工业设备有限公司 | Automatic seam welder with variable processing diameter |
CN111889862B (en) * | 2020-08-04 | 2021-12-03 | 新昌县雷涛机械有限公司 | Driving portal frame of reinforcement cage seam welder |
CN112264700B (en) * | 2020-10-12 | 2022-01-07 | 浙江裕洋隧道管片制造有限公司 | Steel reinforcement cage centre gripping frock and automatic seam welder |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3437114A (en) * | 1966-10-27 | 1969-04-08 | Donald P Whitacre | Machine for making a wire cage |
DE1552159B2 (en) | 1966-12-24 | 1977-05-18 | Ed. Züblin AG, 7000 Stuttgart | MACHINE FOR THE CONTINUOUS MANUFACTURING OF REINFORCEMENT CABLES |
DE1752908C3 (en) | 1968-08-02 | 1978-09-07 | Ed. Zueblin Ag, 7000 Stuttgart | Machine for the production of reinforcement cages for reinforced concrete pipes or the like |
DE2015749A1 (en) * | 1970-04-02 | 1971-10-21 | Lauffer, Hans, Dr., 7301 Scharnhausen | Concrete reinforcing cradle fabricating machine |
DE2360532A1 (en) | 1973-12-05 | 1975-06-12 | Georg Pfender | Assembly machine for producing reinforcing cages for concrete tubes - welds wire coils to set of longitudinal bars |
DE2946297C2 (en) | 1979-11-16 | 1986-08-07 | Mbk Maschinenbau Gmbh, 7964 Kisslegg | Machine for the production of reinforcement bodies for concrete pipes |
DE3422420A1 (en) | 1984-06-16 | 1985-12-19 | Mbk Maschinenbau Gmbh, 7964 Kisslegg | MACHINE FOR PRODUCING REINFORCEMENT BODIES FOR CONCRETE PIPES |
WO2008131346A2 (en) * | 2007-04-20 | 2008-10-30 | Concrete Technology Worldwide, Inc. | Method and system for manufacture of a wire cage |
EP2996827A1 (en) * | 2013-05-17 | 2016-03-23 | Schnell S.p.A. | Apparatus for and method of manufacturing metal cages for conical pillars |
-
2017
- 2017-03-10 WO PCT/EP2017/055756 patent/WO2017153602A1/en active Application Filing
- 2017-03-10 EP EP17712045.8A patent/EP3426421A1/en not_active Withdrawn
-
2018
- 2018-09-08 US US16/125,663 patent/US20190047040A1/en not_active Abandoned
- 2018-09-08 US US16/125,667 patent/US20190001395A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
WO2017153602A1 (en) | 2017-09-14 |
US20190047040A1 (en) | 2019-02-14 |
US20190001395A1 (en) | 2019-01-03 |
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