EP0406249A1 - Anlage zum herstellen von warmgewalztem stahlband. - Google Patents
Anlage zum herstellen von warmgewalztem stahlband.Info
- Publication number
- EP0406249A1 EP0406249A1 EP89902023A EP89902023A EP0406249A1 EP 0406249 A1 EP0406249 A1 EP 0406249A1 EP 89902023 A EP89902023 A EP 89902023A EP 89902023 A EP89902023 A EP 89902023A EP 0406249 A1 EP0406249 A1 EP 0406249A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- rolled steel
- plant
- steel strip
- furnace
- mandrels
- 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
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 19
- 239000010959 steel Substances 0.000 title claims abstract description 19
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 9
- 238000009434 installation Methods 0.000 title claims abstract description 5
- 238000004804 winding Methods 0.000 claims abstract description 37
- 238000005096 rolling process Methods 0.000 claims abstract description 12
- 238000010438 heat treatment Methods 0.000 claims description 9
- 238000009749 continuous casting Methods 0.000 claims description 5
- 239000007858 starting material Substances 0.000 claims description 2
- 238000005520 cutting process Methods 0.000 claims 1
- 230000002349 favourable effect Effects 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000012432 intermediate storage Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003303 reheating Methods 0.000 description 2
- 238000005266 casting Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/46—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling metal immediately subsequent to continuous casting
- B21B1/466—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling metal immediately subsequent to continuous casting in a non-continuous process, i.e. the cast being cut before rolling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C47/00—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
- B21C47/24—Transferring coils to or from winding apparatus or to or from operative position therein; Preventing uncoiling during transfer
- B21C47/245—Devices for the replacement of full reels by empty reels or vice versa, without considerable loss of time
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
- C21D9/54—Furnaces for treating strips or wire
- C21D9/68—Furnace coilers; Hot coilers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B19/00—Combinations of furnaces of kinds not covered by a single preceding main group
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/22—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length
- B21B1/24—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length in a continuous or semi-continuous process
- B21B1/26—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length in a continuous or semi-continuous process by hot-rolling, e.g. Steckel hot mill
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/22—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length
- B21B1/30—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length in a non-continuous process
- B21B1/32—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length in a non-continuous process in reversing single stand mills, e.g. with intermediate storage reels for accumulating work
- B21B1/34—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length in a non-continuous process in reversing single stand mills, e.g. with intermediate storage reels for accumulating work by hot-rolling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B15/00—Arrangements for performing additional metal-working operations specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B2015/0057—Coiling the rolled product
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B45/004—Heating the product
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B45/04—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for de-scaling, e.g. by brushing
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/4998—Combined manufacture including applying or shaping of fluent material
- Y10T29/49988—Metal casting
- Y10T29/49991—Combined with rolling
Definitions
- the invention relates to a system for producing hot-rolled steel strip from a continuously cast starting material, in which the cast strand is wound up into a bundle in a reel station after leaving the continuous casting system and is reeled off into a rolling mill in a further reel station after the bundle has been moved, the reel stations being fed into are arranged in a common oven.
- Such systems are known. They have the advantage that continuously produced hot-rolled strip from a continuously cast master material is inexpensive because a considerable saving in energy is made possible solely by the fact that the facilities for reheating the slabs, intermediate transport devices and storage spaces required in conventional processes and systems are dispensed with.
- the cast strand which has already been cast in the form of a strip makes it unnecessary to reduce the cross section with a high amount of deformation and high deformation energy and permits coils to be wound up immediately behind the continuous casting installation. This winding or reeling is necessary because the maximum casting speed at which the cast strand leaves the continuous caster is much lower than the lowest possible rolling speed of conventional roll stands.
- the object of the present invention is to improve the arrangement of the reel stations within the furnace in such a way that unproblematic winding and unwinding of the cast strip and, if appropriate, intermediate storage is possible and the implementation of the federal government is simplified.
- the invention proposes that the transport means for the bundles are winding mandrels which are movable on an orbit running horizontally or vertically in one plane.
- winding mandrels run around in the invention so that tape can also be wound and converted which cannot be wound on mandrelless winding devices.
- the winding mandrels with the furnace can be rotated about a vertical axis.
- Another advantageous proposal of the invention provides that the circumferential path of the winding mandrels is self-contained and runs in a vertical plane and the winding mandrels can be moved step by step.
- more than two winding mandrels can be moved simultaneously in the orbit, which can advantageously be moved on a circular path, but also it is conceivable to provide another self-contained movement path when the orbital plane is perpendicular.
- the invention advantageously enables the winding mandrel to be driven in each case in the winding and unwinding station.
- the mandrels are driven independently of one another and the drives which are fixed relative to the winding path of the mandrels are detachably coupled to the mandrels. This is recommended because the winding mandrels have to work with different drive speeds due to the different speeds for reeling and unwinding.
- the mandrels can, if necessary, be brought into the respective winding position step by step and coupled there to the drives.
- a further feature of the invention provides that a device for controlled heating of the cast strand to the reel or rolling temperature is arranged in front of and / or behind the furnace. Such devices can of course be omitted if the temperature of the furnace allows rolling without reheating or the temperature of the greeting strand corresponds to the reel temperature.
- a device for separating the cold beginning of the band is provided according to another feature of the invention.
- a gas-tight supply line for a furnace heating gas which is stationary with respect to the furnace is provided for heating the furnace.
- the furnace can be rotated on a turntable or a turntable for rotating the furnace.
- the winding mandrels are arranged in the inlet-side reel furnace of a Steckel rolling mill.
- the decoiler station can be used in a known manner for multiple coiling and uncoiling of the strip rolled in reversing stitches, that is, in the manner of a plug-in oven as is known with only one coiler station.
- the winding mandrels are arranged in a manner known per se before a cross-section shear and / or devices for descaling.
- the cross-cut shear is required when the cast strand weight is greater than the coil weight of the coil located in the take-up reel station.
- Descaling equipment is usually required behind the furnace to prevent the scale from rolling into the mill.
- FIG. 2 is an enlarged view of the furnace according to the invention shown in FIG. 1,
- FIG. 3 is an illustration of the furnace of FIG. 2 with four mandrels
- Fig. 4 is a rotatable about a vertical axis furnace with integrated mandrels and
- FIG. 5 shows a plan view of the furnace according to FIG. 4
- Fig. 1 the continuous casting system is indicated at 1.
- the cast strand B passes through a pair of scissors at 2 before it is introduced into the furnace 3 with the aid of the driver 6 and wound up on the mandrel 4.
- the winding mandrel 4 can be moved on the circular orbit U shown in dashed lines in the direction of the arrow into a position in which the winding mandrel 5 is drawn in FIG. 2.
- the cast strand B is unwound from the winding mandrel 5 with the aid of the driving apparatus 7 and is fed to the rolling mill 10 through the heating device 6, the cast strand B having previously passed through the descaling device 9.
- a cooling section is indicated at 11, in which the strip is cooled before it is wound up at 12.
- FIG. 3 An alternative is shown in FIG. 3, in which four winding mandrels 4, 4a, 5, 5b are arranged movably on the orbit U.
- the winding mandrels have the same spacing from one another and allow intermediate storage of wound bundles in the stations 4a and 5a.
- the device for heating the cast strand can also be located between the continuous casting installation 1 and the furnace 3; it can also be a special device only for heating the strip edges.
- the embodiment of the invention shown in FIG. 4 is particularly favorable because the oven 3 can be kept small. As a result, the amount of heating gas used is small, which is important for a good energy balance.
- the winding mandrels 4, 5 are arranged in a fixed manner within the furnace 3, while the furnace 3 itself can be rotated about the vertical axis 13.
- the furnace 3 is mounted on a rotating ring 14 on guide rollers F and is moved by a stationary drive 15, which corresponds to a ring gear 16.
- a gas supply 17 is provided, which can take place, for example, via a known rotary feedthrough.
- a clamping device 19 for the band end 20 is provided in the region of the opening of the furnace 3, with which the same is held during the rotation of the furnace 3 by 180 degrees and thus during the transport of the coil into the unwinding position.
- the fixed end of the bundle which now represents the beginning of the bundle for further processing of the federal government, can be pulled out by means of a driver 21 and can be fed to a separating device (not shown) which separates this beginning of the bundle, which has cooled outside the furnace.
- the shafts of the mandrels 4, 5 are guided out of the furnace 3 on both sides thereof and provided with couplings 22 for the fixed drives.
- the couplings can optionally be engaged or disengaged on one or the other side of the mandrels 4, 5, so that the mandrels 4, 5 can be driven easily and at different speeds.
- the furnace 3 can always be rotated in the same or alternately in one or the other direction by 160 degrees.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- General Engineering & Computer Science (AREA)
- Metal Rolling (AREA)
- Winding, Rewinding, Material Storage Devices (AREA)
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT89902023T ATE78727T1 (de) | 1988-03-17 | 1989-02-06 | Anlage zum herstellen von warmgewalztem stahlband. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19883809681 DE3809681C1 (en) | 1987-12-31 | 1988-03-17 | Plant for the production of hot-rolled steel |
DE3809681 | 1988-03-17 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0406249A1 true EP0406249A1 (de) | 1991-01-09 |
EP0406249B1 EP0406249B1 (de) | 1992-07-29 |
Family
ID=6350414
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP89902023A Expired - Lifetime EP0406249B1 (de) | 1988-03-17 | 1989-02-06 | Anlage zum herstellen von warmgewalztem stahlband |
Country Status (6)
Country | Link |
---|---|
US (1) | US5335713A (de) |
EP (1) | EP0406249B1 (de) |
CA (1) | CA1322480C (de) |
DE (1) | DE58901955D1 (de) |
ES (1) | ES2015140A6 (de) |
WO (1) | WO1989008512A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6378798B1 (en) | 1999-03-03 | 2002-04-30 | Voest Alpine Industrieanlagenbau Gmbh | Device for endless coiling of strip material |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3821188A1 (de) * | 1988-06-23 | 1989-12-28 | Schloemann Siemag Ag | Bandgiessanlage mit drehherdofen |
JPH06500504A (ja) * | 1991-04-17 | 1994-01-20 | マグニトゴルスキー メタルルルギチェスキー コムビナト イメニ ヴェー・イー・レニーナ | 熱間圧延帯鋼連続製造方法及び装置 |
IT1260566B (it) * | 1992-06-30 | 1996-04-16 | Danieli Off Mecc | Gruppo avvolgitore-svolgitore per bramme sottili |
JP3063518B2 (ja) * | 1993-12-27 | 2000-07-12 | 株式会社日立製作所 | 連続鋳造装置及び連続鋳造システム |
JPH11342402A (ja) * | 1998-05-29 | 1999-12-14 | Kawasaki Steel Corp | 冷間圧延設備 |
US5956990A (en) * | 1998-08-14 | 1999-09-28 | Danieli United | Apparatus and method for producing and handling superlarge coils of metal strip |
DE10045085C2 (de) * | 2000-09-12 | 2002-07-18 | Siemens Ag | Gießwalzanlage |
DE10109223C1 (de) | 2001-02-26 | 2002-08-01 | Siemens Ag | Verfahren zum Betreiben einer Gießwalzanlage |
DE10300362A1 (de) * | 2003-01-06 | 2004-07-22 | Sms Demag Ag | Verfahren und Anlage zum Walzen und anschließendem Haspeln von Metallband, insbesondere von Stahlband |
US7823431B2 (en) * | 2003-06-13 | 2010-11-02 | Siemens Industry, Inc. | Method and apparatus for temporarily interrupting the passage of long products between upstream and downstream paths in a rolling mill |
CA2841620C (en) * | 2004-10-28 | 2016-09-27 | U.S. Manufacturing Corporation | Method of manufacturing a tubular axle housing assembly with varying wall thickness |
IT1397452B1 (it) * | 2009-12-30 | 2013-01-10 | Danieli E C Ohg S P A | Dispositivo e procedimento per avvolgere/svolgere un prodotto metallico in una linea di laminazione |
KR101726759B1 (ko) * | 2010-11-05 | 2017-04-13 | 주식회사 포스코 | 설비의 교체 및 수리가 용이한 멘드럴 코일박스 |
CN103894416B (zh) * | 2012-12-26 | 2016-10-19 | Posco公司 | 心轴卷材箱的运行方法、利用其的连续轧制方法和连续轧制装置 |
DE102013224633A1 (de) * | 2013-01-14 | 2014-07-17 | Sms Siemag Ag | Gieß-Walzanlage sowie Verfahren zum Aus- und Einbau von Walzen in einem Reduziergerüst der Gieß-Walzanlage |
IT201700028732A1 (it) * | 2017-03-15 | 2018-09-15 | Danieli Off Mecc | Impianto combinato di colata continua e laminazione di nastri metallici a caldo |
IT201700028768A1 (it) * | 2017-03-15 | 2018-09-15 | Danieli Off Mecc | Impianto combinato di colata continua e laminazione di nastri metallici a caldo |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2327906A (en) * | 1941-04-02 | 1943-08-24 | Streine Tool And Mfg Company | Strip coil handling |
BE482884A (de) * | 1947-06-05 | |||
DE972603C (de) * | 1950-08-03 | 1959-09-10 | Kocks Gmbh Friedrich | Kontinuierlich arbeitende Walzenstrasse zum Warmwalzen von Breitband |
FR1308895A (fr) * | 1961-12-19 | 1962-11-09 | Verwaltungs Ges Moeller & Neum | Laminoir pour tôle épaisse avec train de finissage continu |
DE1954675C3 (de) * | 1969-10-30 | 1975-07-17 | Josef 4220 Dinslaken Schmitz | Abrollvorrichtung für Wickel aus Bandeisen, Drähten od.dgl |
US4123011A (en) * | 1975-02-19 | 1978-10-31 | Hitachi, Ltd. | Coil unwind and wind-up method and apparatus therefor |
JPS57121809A (en) * | 1981-01-22 | 1982-07-29 | Nippon Steel Corp | Production of steel material by direct rolling |
DE3241745C2 (de) * | 1982-11-11 | 1985-08-08 | Mannesmann AG, 4000 Düsseldorf | Verfahren zum Herstellen von warmgewalztem Stahlband aus stranggegossenem Vormaterial in unmittelbar aufeinanderfolgenden Arbeitsschritten |
US4630352A (en) * | 1984-09-04 | 1986-12-23 | Tippins Machinery Company, Inc. | Continuous rolling method and apparatus |
DE3538677A1 (de) * | 1985-10-31 | 1987-05-07 | Schloemann Siemag Ag | Wendehaspel |
JPS62127145A (ja) * | 1985-11-29 | 1987-06-09 | Kawasaki Steel Corp | 急冷薄帯巻取り方法及び装置 |
DE3637893C2 (de) * | 1986-11-06 | 1996-02-08 | Schloemann Siemag Ag | Verfahren und Anlage zur Herstellung von warmgewalztem Stahlband und Bandgießanlage |
-
1989
- 1989-02-06 DE DE8989902023T patent/DE58901955D1/de not_active Expired - Fee Related
- 1989-02-06 WO PCT/DE1989/000076 patent/WO1989008512A1/de active IP Right Grant
- 1989-02-06 EP EP89902023A patent/EP0406249B1/de not_active Expired - Lifetime
- 1989-03-08 ES ES8900830A patent/ES2015140A6/es not_active Expired - Lifetime
- 1989-03-16 CA CA000593959A patent/CA1322480C/en not_active Expired - Fee Related
-
1990
- 1990-09-14 US US07/582,497 patent/US5335713A/en not_active Expired - Fee Related
Non-Patent Citations (1)
Title |
---|
See references of WO8908512A1 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6378798B1 (en) | 1999-03-03 | 2002-04-30 | Voest Alpine Industrieanlagenbau Gmbh | Device for endless coiling of strip material |
Also Published As
Publication number | Publication date |
---|---|
EP0406249B1 (de) | 1992-07-29 |
WO1989008512A1 (en) | 1989-09-21 |
DE58901955D1 (de) | 1992-09-03 |
CA1322480C (en) | 1993-09-28 |
US5335713A (en) | 1994-08-09 |
ES2015140A6 (es) | 1990-08-01 |
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