EP1357205A2 - Verfahren und Einrichtung zur Bandbehandlung - Google Patents

Verfahren und Einrichtung zur Bandbehandlung Download PDF

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Publication number
EP1357205A2
EP1357205A2 EP03290996A EP03290996A EP1357205A2 EP 1357205 A2 EP1357205 A2 EP 1357205A2 EP 03290996 A EP03290996 A EP 03290996A EP 03290996 A EP03290996 A EP 03290996A EP 1357205 A2 EP1357205 A2 EP 1357205A2
Authority
EP
European Patent Office
Prior art keywords
strip
section
tensioner
length
treatment
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP03290996A
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English (en)
French (fr)
Other versions
EP1357205B1 (de
EP1357205A3 (de
Inventor
Alain Douaud
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.)
Clecim SAS
Original Assignee
VAI Clecim SA
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 VAI Clecim SA filed Critical VAI Clecim SA
Publication of EP1357205A2 publication Critical patent/EP1357205A2/de
Publication of EP1357205A3 publication Critical patent/EP1357205A3/de
Application granted granted Critical
Publication of EP1357205B1 publication Critical patent/EP1357205B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
    • C23G3/00—Apparatus for cleaning or pickling metallic material
    • C23G3/02—Apparatus for cleaning or pickling metallic material for cleaning wires, strips, filaments continuously
    • C23G3/027—Associated apparatus, e.g. for pretreating or after-treating
    • 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
    • B21C47/34—Feeding or guiding devices not specially adapted to a particular type of apparatus
    • 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
    • B21C49/00—Devices for temporarily accumulating material

Definitions

  • the subject of the invention is a method and an installation for treatment of a product in a strip and applies especially to pickling of a metal strip.
  • this stripping is carried out by scrolling the strip, successively, in one or more trays, filled acid.
  • the pickling tank In an old process called "push-pull", the pickling tank is placed between two winders, respectively unwinding of a reel and rewinding thereof after scrolling in the bin.
  • the evacuation section comprises shearing means of the strip to allow the evacuation of the reel at the end winding and engagement on the head winder of the next reel.
  • Such a continuous online installation therefore includes, in the direction of scrolling, at least three successive sections, respectively, a feed section, a feed section treatment comprising one or more successive tanks and a evacuation section.
  • Continuous stripping lines must therefore be equipped with means of accumulation of variable length from tape, allowing to store in advance, upstream of the processing section, sufficient strip length to supply the treatment section during the downtime necessary, in the supply section, for the junction of the tail of a reel with the next reel head.
  • the strip must be sheared to allow the evacuation of the wound coil and the tape head thus formed must be engaged on the winder for winding the reel next.
  • the scrolling of the strip continues in the pickling tanks and the length of tape thus produced is stored in a accumulator placed upstream of the discharge section.
  • accumulators Previously, accumulators consisted of wells deep in which we let unfold, under its own weight, a strip descending into the well and towed at the outlet of it, for example by pinch rollers.
  • the strip forms inside the well, a single loop between two support rollers.
  • the length of accumulated band then depends on the depth of the well but can be increased by using several successive wells called "loop pits".
  • Such accumulators are well known and include, in general, a set of fixed deflection rollers and a set of movable rollers mounted on a carriage looping so as to form several superimposed strands running in opposite directions. Horizontal movement of the carriage one way or the other allows, then, to increase or decrease the length of strip passing over the rollers.
  • a series of separating arms which are distributed along the path of the looping carriage and must therefore move away to allow the passage of it (FR-A-2778350).
  • each accumulator requires a precise control of the tensile force applied to the so that the different strands of it stay tight during the movement of the looping carriage.
  • Each accumulator must therefore be associated with two tensioners placed respectively upstream and downstream and constituted, usually S rollers
  • the processing section can be constituted relatively deep tanks filled with pickling fluid in which the strip plunges by forming a loop more or less long.
  • a difference between the frame rates at the entry and exit of the bin causes, in fact, a variation corresponding to the length of the submerged strip.
  • a deep container requires a large amount of treatment liquid and for some time now we have proposed to use relatively flat tanks for pickling in which the strip has a slight deflection, this which reduces the amount of liquid needed in the tank.
  • it can, moreover, be provided with a curved bottom so as to substantially follow the shape in the chain of the loop.
  • the tensile force to be applied at the level of each support in a chain-shaped curve depends on the orientation of the end of the loop and becomes very important when the strip must follow a relatively tight curve.
  • the arrow of the chain is therefore very sensitive to a variation in tensile forces applied to the entry and exit of the tank.
  • Gold in case of contact with the bottom of the tank, the strip, which scrolls high speed, risk of deterioration. To avoid faults, it is therefore necessary to precisely control the effort of traction applied to both ends of the strip so that the length of the chain and the level of its lower part remain substantially constant.
  • the strip must be kept stretched by two tensioning devices, respectively an upstream tensioner placed in front, in the direction of travel, of the end in the processing section and a downstream tensioner placed behind the exit end of the section of treatment.
  • the downstream tensioner determines the speed of scrolling of the strip which is retained by the upstream tensioner. Adjustment of the torques applied on the two tensioners allows precise control of the belt tension in order to keep its length constant and, therefore, the arrow in each bin.
  • US-A-4,886,199 describes an arrangement simplified in which the upstream accumulator and the accumulator downstream use the same loop cart or two cars united on the move.
  • document US-A-4,886,199 can therefore be used, for example, for continuous rolling, but does not not allow, in the case of a pickling line using relatively flat bins, to maintain the tractive effort at a level constant enough to avoid a risk of contact of the strip with the bottom of the tank.
  • the invention therefore aims to solve this problem thanks to a new tape drive process in continuous online installation, allowing the use of much simpler and more economical equipment than in conventional large capacity installations.
  • the arrangements according to the invention allow the use of modern technologies such as low height pickling with rapid acid recirculation without risk of deterioration of the strip.
  • the invention therefore applies to an installation comprising, in general, at least three successive sections respectively a power section, a section of treatment by passing the strip through at least one tank elongated containing a processing fluid and a section evacuation, said treatment section being associated with a upstream tensioner and a downstream tensioner placed respectively in front of the entry end and behind the exit end of the section.
  • any variation in the speed of scrolling in the processing section is compensated immediately, at least during an acceleration phase or deceleration, by a corresponding variation in length of tape between the outlet end of the section of treatment and the downstream tensioner, so as to maintain permanently a substantially constant strip length between said outlet end of the processing section, and the upstream tensioner, without appreciable variation in the tensile force applied to the strip between the two tensioners.
  • the running speed in the processing section is reduced to a minimum value compatible with tape quality and tape length scrolling, at said minimum speed, during this downtime, is stored in a capacity accumulator corresponding to this minimum speed, which is interposed between the outlet end of the processing section and the tensioner downstream.
  • the running speed in the processing section is reduced to a minimum value compatible with the quality of the tape and the length of the running tape, at said minimum speed, during this downtime, is put in reserve in a capacity accumulator corresponding to this minimum speed, which is interposed between the output of the supply section and the upstream tensioner.
  • the dynamic effect of a variation in the running speed in the processing section is immediately compensated for by a corresponding variation in the length of strip comprised between the output of the processing section and the downstream tensioner, without modification of the tensile force and, consequently, of the deflection of the chains formed in the tanks.
  • this reserved length may be limited due to the reduction of the speed in the tanks to a minimum value and we can therefore use a simpler accumulator and economical than in conventional continuous lines.
  • the invention also covers an installation for placing implementing the method, comprising two tensioners placed respectively upstream and downstream of a processing section.
  • the installation comprises means for control of a variation in the length of the strip passing between the outlet end of the processing section and the tensioner downstream, for maintaining, at all times, a length of substantially constant band between said outlet end and the upstream tensioner, without appreciable variation in the force of traction applied to the strip between the two tensioners, respectively upstream and downstream.
  • the interposed accumulation device between the outlet end of the treatment section and the downstream tensioner can constitute, on the one hand, a means of maintaining, at all times, a strip length and a substantially constant tensile force between the ends of each bin and, on the other hand, a means of setting aside a sufficient length of strip for the maintenance of a minimum tape running speed in the processing section during a scrolling stop time in the evacuation section.
  • such accumulator has a maximum accumulation capacity corresponding to the length of the strip running for the duration a coil discharge cycle, for a reduced speed of scroll through the processing section.
  • the accumulation capacity can be at most a few tens of meters.
  • the duration of an evacuation cycle is the order of 1 to 2 minutes and the scrolling speed, during this cycle, is reduced to about 10 m / min, the capacity of the accumulator can be 15 to 20 m.
  • such a tape accumulator has a deflection roller on which pass two strands of the strip, respectively back and forth, said deflection roller being movable, preferably horizontally, between two accumulation positions, respectively a retracted minimum accumulation position and a position for maximum accumulation.
  • the first accumulator placed between the outlet of the supply section and the upstream tensioner is advantageously of the loop pit type.
  • the invention thus makes it possible to carry out an installation of particularly simple and economical stripping, run online profitably for a production in the range of 500,000 to 750,000 tonnes per year.
  • Figure 1 shows schematically a first part of an installation according to the invention comprising a section feed and the start of a treatment section.
  • Figure 2 shows schematically the second part of such an installation comprising the outlet of the section of treatment and an evacuation section.
  • FIGs 1 and 2 there is therefore shown schematically the whole of a pickling installation chemical of a metal strip comprising three sections, respectively, a feed section 1, a feed section treatment 2 and a discharge section 3 placed successively along a longitudinal direction of scrolling of a metal strip 4.
  • the supply section 1 comprises, in a conventional manner, an unwinder 10 receiving a reel to be treated 41, rollers nippers 11 ensuring the unwinding of the coil 41, and a block 12-scraper remover for straightening the strip coming out of the coil and making a coarse leveling to avoid that the strip may catch fixed parts, in particular when scrolling through the pickling tanks.
  • a trimming shears 13 makes it possible to cut the head and the tail of each reel, in order to eliminate them.
  • Processing section 2 consists of several tanks stripping 21, generally three or four trays, which are followed by a rinsing device 22.
  • flat type tanks are used with a shallow depth by relative to their length, each bin being provided at its entrance and at its outlet, deflector rollers 23 between which the strip follows a chain-shaped curve with the lowest part 43 passes a short distance from the bottom 24 of the tank, which can, possibly be provided with a series of spaced supports for avoid direct contact.
  • the bottom 24 thereof a curved shape parallel to the chain-shaped curve followed by the strip between the two ends of the tank.
  • the number of bins and their lengths are determined based on the maximum frame rate planned, taking into account the type of strip to be treated, in particular its format and the nature of the material and type of acid used.
  • the treatment section 2 is equipped with circulation and flow control of the pickling fluid in each tank, ensuring regeneration of the acid in order to maintain optimal chemical treatment conditions. Of such means are well known and are therefore not shown on the diagram.
  • the strip should be subjected to fairly high traction and a even a fairly small decrease in tractive effort results in an extension of the strip length between the two rollers deflectors 23, 23 'and an increase in deflection f.
  • the strip can then come into contact with the bottom 24 of the tank and it this results in a risk of deterioration and marking of the strip by friction.
  • the tensile force applied to the strip must also be checked to avoid premature wear and the deterioration of the support and guidance devices of the strip inside the trays such as pinch rollers, thresholds bins or other.
  • the processing section 2 is therefore associated with two tensioning 6, 6 ′ placed respectively upstream and downstream, in the direction of travel, the input ends 20 and outlet 20 'from processing section 2.
  • the upstream tensioning device 6 thus comprises a upstream tensioner 61 of the "S-block” type comprising at least two rollers with parallel axes on which the strip follows a path in S and followed by a guiding device 62 which makes it possible to keep the strip well centered at entry 20 in the first bin treatment 5a.
  • the downstream tensioning device 6 ′ comprises a guide block 62 ′ allowing the centering of the strip at the outlet 20 'of the rinsing section 22 and a block tensioner 62 '.
  • the upstream tensioner 61 thus allows, on the one hand to drive the tape in the feed section 1 and, on the other part, to retain the strip which is driven by the downstream tensioner 61 '.
  • the torques applied by the two tensioners 61, 61 ' are adjusted one according to the other so as to control the effort of traction applied to the strip.
  • the discharge section 3 placed downstream of the tensioning machine 61 'conventionally comprises a winder 30 associated, on the one hand with a shears 31 making it possible to cut the strip at the end of the winding of a coil 41 'and, on the other hand, to means for removing the completed coil and to means for engaging the head of the strip for winding a new coil.
  • a winder 30 associated, on the one hand with a shears 31 making it possible to cut the strip at the end of the winding of a coil 41 'and, on the other hand, to means for removing the completed coil and to means for engaging the head of the strip for winding a new coil.
  • Such means are well known and do not are therefore not shown in the diagram.
  • an accumulation device 15 in which a sufficient tape length is set aside at the start of unwinding of a reel. To allow effective control of the tensile force on the strip in the treatment section 2, this accumulator 15 must be placed upstream of the tensioner 61 which retains the strip driven by the downstream tensioner 61 '.
  • a second accumulation device must be provided upstream of the winder 30 to reserve the length of strip leaving treatment section 2 during stopping the winding for the evacuation of a completed coil.
  • the tape runs at a very high speed, by example 250 m / min and this speed must also be maintained as constant as possible so as not to disturb the operation of the installation.
  • very large capacity accumulators which are each associated with two tensioners and that only a high production allows to make such an expensive installation profitable.
  • each coil must have re-engage the band between all the rollers and this results in a risk of tape marking.
  • productivity is obviously quite low, due to the periodic shutdown of installation.
  • the invention is based on the idea that by admitting a certain loss of productivity compared to processing facilities continuous line carried out so far for large capabilities we could use simpler layouts and less expensive allowing, however, to keep the essential advantages of continuous treatment and that it would be possible to sufficiently reduce investment costs and for such an installation to be profitable for an average production, for example from 500,000 to 750,000 tonnes / year.
  • the downtime required for a coil replacement or drain cycle is about 1.5 minutes. If we can reduce the speed of scrolling to a minimum value, for example 10 m / min, the capacity of the accumulator must be, simply, 15 to 20 m.
  • the accumulator 15 placed upstream of the input tensioner 61 of the treatment section 2 can be of the "loop pit” type.
  • this accumulator 5 is integrated in the downstream setting device voltage 6 'and is therefore placed between the outlet end of the processing section 2 and the downstream tensioner 61 '. So then that before, we placed a large capacity accumulator downstream of the output tensioner of the treatment section, in the invention, this accumulator 5 is placed upstream of this tensioner 61 'because it can have a fairly low capacity and can be arranged so as to maintain tension in the section of treatment 2 at a constant level.
  • Such an accumulator 5 therefore makes it possible not only absorb the length of tape produced during a cycle evacuation, but also to maintain constant, at each instant, the strip length between the two tensioners 61, 61 ' and therefore the lengths and arrows in each bin 21.
  • the normal duration of a evacuation cycle after complete winding, of a coil 41 ' is approximately 1.5 minutes. If we reduce the scrolling speed to 10 m / min, the capacity of accumulator 5 must therefore be in the range of 15 to 20 m and, in any case not more than a few tens of meters.
  • the accumulator 5 can be of the roller type dancer comprising a single deflection roller 51 associated with two fixed rollers 52, 52 'and movable over a length of one ten meters.
  • the deflection roller 51 moves horizontally below the rinsing section 22, one of the fixed rollers 52 being fixed at the exit of the section feed 2 and the other fixed roller 52 'which can be part of the centering device 62 'placed in front of the downstream tensioner 61'.
  • the tension applied to the strip 4 in the pickling tanks 21, which determines the level of the lower part 43 of the curve formed, in each tank, by the band depends only on the couples applied respectively on the downstream tensioner 61 'which determines the force drive and on the upstream tensioner 61 which exerts a retaining force and is not separated from the 20 'inlet of the first tank by any device other than a deflection roller, which allows to precisely control the tensile force on the strip.
  • the dancer roller 51 of the downstream accumulator 5 is, from preferably operated by one or more cylinders not shown associated with a hydraulic control system which allows respond immediately to a variation in tractive effort applied between the two tensioners 61, 61 ', for example, in due to the dynamic effect of a change in speed, in acceleration or deceleration phases.
  • the accumulator 5 therefore constitutes a regulating device traction to keep the length of strip between the two tensioners 61, 61 ′ and, consequently, the arrow f of the chain-shaped curve followed by the strip in each bin.
  • the pinch roller speeds 17 so as to form, in each pit 16, a loop 42.
  • the roller dancer 51 of the downstream accumulator 5 is placed in his position minimum accumulation reentry with, however, some possibility of horizontal displacement in order to compensate, in case as needed, slight variations in the tensile force applied on the tape.
  • the tape scrolling is stopped at the shears 13 in order to eliminate the tail of the strip, and the speed scrolling in the bins 21 is reduced to a speed minimum of the order of 10 m / min for which the lengths of loops 42 previously accumulated in pits 16 are sufficient to continue treatment.
  • the scrolling speed in the bins 21 is reduced again to a minimum speed, for example 10 m / min, and the scrolling is stopped at the level of the downstream shears 31 which cuts the strip to allow the evacuation of the reel finished 41 'then the engagement of the next part of the band on the rewinder 30 to form a new coil.
  • the accumulator 5 allowed to absorb this deceleration so as to keep constant the length of each chain, despite the inertia of the devices drive. Then, the deflection roller 51 has little move in order to absorb the length of tape processed in the section 2 at this reduced speed, this length possibly being, as we have seen, from 15 to 20 m for a stopping time of 1.5 min.
  • the tape unrolls continuously between the unwinder 10 and rewinder 30 and deflection roller 51 of the accumulator 5 is returned to its accumulation position minimal without modification of the tensile force applied to the strip by the tensioner 61 '.
  • loop pits For example, it is advantageous and particularly economical to use loop pits to build the upstream accumulator 15 but other arrangements could be used to perform the same function, for example a dancer roll.
  • the guiding devices 62, 62 ′ can be at two or three rollers and the tensioners 61, 61 'with two or four rolls.
  • the fractionation shears 13, 31 can also be of any type adapted to the capacity of the line, desired frame speeds and the nature of the materials to be treat.
  • the same is true of the pickling system used, by example shallow flat tank or tank with injection acid, as well as means for reducing the scrolling speed to a level compatible with a accumulation capacity reduced to a few tens of meters.
  • the invention is intended especially for the production of continuous pickling lines average, for example of the order of 500,000 to 750,000 tonnes per year.
  • the invention would also have advantages for higher capacity lines because the regulation of traction provided by the dancer roller would allow the use of low height bins with a very tight band, without risk deterioration thereof.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Materials Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
  • Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)
  • Heat Treatment Of Strip Materials And Filament Materials (AREA)
  • Adornments (AREA)
  • Coating With Molten Metal (AREA)
EP03290996A 2002-04-26 2003-04-23 Verfahren und Einrichtung zur Bandbehandlung Expired - Lifetime EP1357205B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0205318A FR2839085B1 (fr) 2002-04-26 2002-04-26 Procede et installation de traitement d'un produit en bande
FR0205318 2002-04-26

Publications (3)

Publication Number Publication Date
EP1357205A2 true EP1357205A2 (de) 2003-10-29
EP1357205A3 EP1357205A3 (de) 2005-02-23
EP1357205B1 EP1357205B1 (de) 2006-12-13

Family

ID=28686340

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03290996A Expired - Lifetime EP1357205B1 (de) 2002-04-26 2003-04-23 Verfahren und Einrichtung zur Bandbehandlung

Country Status (6)

Country Link
US (1) US20030230663A1 (de)
EP (1) EP1357205B1 (de)
AT (1) ATE347941T1 (de)
DE (1) DE60310294T2 (de)
ES (1) ES2278123T3 (de)
FR (1) FR2839085B1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104128382A (zh) * 2014-03-27 2014-11-05 中冶南方工程技术有限公司 一种低酸耗耐蚀热轧酸洗产品生产方法

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006035008A1 (de) * 2006-07-28 2008-01-31 Siemens Ag Betriebsverfahren für einen Schlingenspeicher mit Zugausgleich
CN103920740B (zh) * 2014-03-27 2016-08-24 中冶南方工程技术有限公司 一种低板面残留以热代冷产品生产方法
CN112775056B (zh) * 2020-12-21 2022-12-27 山东水星博惠汽车部件股份有限公司 一种汽车玻璃上的密封条加工生产装置

Citations (8)

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Publication number Priority date Publication date Assignee Title
US3365144A (en) * 1965-07-17 1968-01-23 Siegener Machinenbau G M B H Method of and apparatus for continuously feeding coils of strip-like material to a processing line
DE2150759A1 (de) * 1971-03-05 1973-10-25 Voest Ag Bandspeicher fuer blechbaender od. dgl
GB2023549A (en) * 1978-06-23 1980-01-03 Loewy Robertson Eng Co Ltd Web Accumulators
US4391400A (en) * 1980-05-07 1983-07-05 Clesid Apparatus for storing a variable length of strip
US4886199A (en) * 1987-07-10 1989-12-12 Bergwerk-Und Walzwerk-Maschinenbau Gmbh Strip drive for advancing materials for processing
FR2778350A1 (fr) * 1998-05-05 1999-11-12 Kvaerner Metals Clecim Installation d'accumulation d'un produit en bande
FR2784998A1 (fr) * 1998-10-22 2000-04-28 Kvaerner Metals Clecim Installation de decapage d'une bande metallique
US20030056558A1 (en) * 2001-09-21 2003-03-27 Hidetoshi Nishi Continuous pickling and cold-rolling equipment and operating method thereof

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US3593938A (en) * 1969-10-08 1971-07-20 United States Steel Corp Method and apparatus for processing strip
US4060186A (en) * 1975-11-18 1977-11-29 National Steel Corporation Metal strip handling apparatus and method
US4110824A (en) * 1977-05-18 1978-08-29 Youngstown Sheet And Tube Company Method and apparatus for continuously processing strand
US4281784A (en) * 1979-04-24 1981-08-04 Mcmullen James W Magnetic strip separator
DE2933017C2 (de) * 1979-08-16 1984-04-12 Bwg Bergwerk- Und Walzwerk-Maschinenbau Gmbh, 4100 Duisburg Bandspeicherantrieb
US4293101A (en) * 1979-12-21 1981-10-06 Dunaevsky Vladimir I Apparatus for helically coiling bands after slitting wide strip
US5727748A (en) * 1996-09-04 1998-03-17 Arpeco Engineering Ltd. Web inspection and repair machine with web indexer device

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3365144A (en) * 1965-07-17 1968-01-23 Siegener Machinenbau G M B H Method of and apparatus for continuously feeding coils of strip-like material to a processing line
DE2150759A1 (de) * 1971-03-05 1973-10-25 Voest Ag Bandspeicher fuer blechbaender od. dgl
GB2023549A (en) * 1978-06-23 1980-01-03 Loewy Robertson Eng Co Ltd Web Accumulators
US4391400A (en) * 1980-05-07 1983-07-05 Clesid Apparatus for storing a variable length of strip
US4886199A (en) * 1987-07-10 1989-12-12 Bergwerk-Und Walzwerk-Maschinenbau Gmbh Strip drive for advancing materials for processing
FR2778350A1 (fr) * 1998-05-05 1999-11-12 Kvaerner Metals Clecim Installation d'accumulation d'un produit en bande
FR2784998A1 (fr) * 1998-10-22 2000-04-28 Kvaerner Metals Clecim Installation de decapage d'une bande metallique
US20030056558A1 (en) * 2001-09-21 2003-03-27 Hidetoshi Nishi Continuous pickling and cold-rolling equipment and operating method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104128382A (zh) * 2014-03-27 2014-11-05 中冶南方工程技术有限公司 一种低酸耗耐蚀热轧酸洗产品生产方法
CN104128382B (zh) * 2014-03-27 2016-08-10 中冶南方工程技术有限公司 一种低酸耗耐蚀热轧酸洗产品生产方法

Also Published As

Publication number Publication date
EP1357205B1 (de) 2006-12-13
ATE347941T1 (de) 2007-01-15
ES2278123T3 (es) 2007-08-01
DE60310294D1 (de) 2007-01-25
FR2839085A1 (fr) 2003-10-31
DE60310294T2 (de) 2007-07-12
US20030230663A1 (en) 2003-12-18
FR2839085B1 (fr) 2005-02-04
EP1357205A3 (de) 2005-02-23

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