EP0438674A2 - Procédé à enrouler simultanément plusieurs bandes métalliques refendues - Google Patents

Procédé à enrouler simultanément plusieurs bandes métalliques refendues Download PDF

Info

Publication number
EP0438674A2
EP0438674A2 EP90123259A EP90123259A EP0438674A2 EP 0438674 A2 EP0438674 A2 EP 0438674A2 EP 90123259 A EP90123259 A EP 90123259A EP 90123259 A EP90123259 A EP 90123259A EP 0438674 A2 EP0438674 A2 EP 0438674A2
Authority
EP
European Patent Office
Prior art keywords
winding mandrel
strips
winding
split
slit
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Withdrawn
Application number
EP90123259A
Other languages
German (de)
English (en)
Other versions
EP0438674A3 (en
Inventor
Norbert Pingel
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP0438674A2 publication Critical patent/EP0438674A2/fr
Publication of EP0438674A3 publication Critical patent/EP0438674A3/de
Withdrawn legal-status Critical Current

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS 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
    • B21C47/32—Tongs or gripping means specially adapted for reeling operations
    • B21C47/323—Slits or pinces on the cylindrical wall of a reel or bobbin, adapted to grip the end of the material being wound
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS 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
    • B21C47/006—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only winding-up or winding-off several parallel metal bands

Definitions

  • the invention relates to a method for the simultaneous winding of a plurality of split strips (strips) formed by longitudinally dividing a wide metal strip (broadband), in which a separate sleeve is arranged for each split strip on a common, expandable mandrel and the respective split strip the associated sleeve is wound up, the torque being transmitted from the winding mandrel to the sleeves by friction between their inner circumferences and radially expandable parts of the winding mandrel with generation of limited slipping and the retraction in all split strips to be wound up simultaneously by a braked decoiler for the undivided metal strip and / or a slitting shear is generated.
  • slitting a wider metal strip, also called broadband
  • several narrow strips or strips are created, which according to EURONORM 131-77 are referred to as “longitudinally divided broadband” or in many cases also as “split band”.
  • These narrower metal strips or strips created by the longitudinal division of a broadband are referred to below as split strips.
  • These slit strips serve as the starting material for sheet metal part production and their width depends on the dimensions of the sheet metal part to be produced therefrom. After they have left the slitting shear, the individual slit strips must be wound up again exactly, ie straight and tightly, to form individual, stable slit strips or rolls. Uniformly wound coil strips are necessary for packaging, transport and further processing.
  • the strip thickness tolerances result in different winding diameters and corresponding train and speed differences between the individual slit strips when winding on a common winding mandrel. This would have the consequence that the bundles wound from the split strips lying at the edge are looser than the bundles lying in the middle.
  • different slit lengths are wound up on the individual slit strips due to the different outer diameter.
  • the majority of the slitting lines are equipped with a loop pit between the slitting shear and the winding mandrel. These loop pits can be twelve or more meters deep so that slit strips with excess length do not touch the pit floor. Such deep loop pits require considerable construction effort.
  • a braking device is also required between the sling pit and the winding mandrel, which is relatively complicated in construction, since each individual slit band must be braked with the same retraction without damaging the surfaces and edges of the slit band.
  • the elaborate braking device and the deep sling pits not only cause considerable costs, but they also increase the length of the entire slitting line, which in turn creates costs due to the additional length of the hall.
  • the more or less sensitive belt surfaces in the braking device for generating the retraction are touched rolling or rubbing in almost all cases, which often leads to surface damage.
  • the threading of the individual slit strips into the braking device requires longer threading times, and excess lengths at the end of the winding process must either be cut off and scrapped or wound up in a cumbersome manner.
  • each slit band is wound on its own winding mandrel and the specific band tension is regulated by the speed of the winding mandrel. This concept is ruled out for cost reasons and because of the associated length for split systems with several split strips and a large program range and is only carried out in special systems with fixed split bandwidths.
  • the individual sleeves can slide in rotation on the winding mandrel, they can also have different speeds and the individual slit strips always remain under tension despite different collar diameters and different strip lengths.
  • the disadvantageous loop pit and the complex braking device can thus be dispensed with.
  • the sleeves have to be prefabricated, with tight tolerances being observed so that they function properly as a slip clutch and approximately the same torque is transmitted to all sleeves. It is also unclear how the beginning of the tape is attached to the sleeves and how the sleeves can be reused. If a slit band is wound onto the sleeve, this slit band is tightened on the sleeve due to rope friction so that it can only be released from the slit band after it has been completely unwound.
  • the invention is therefore based on the object of a method for the simultaneous winding of a plurality of split strips (strips) formed by longitudinally dividing a wide metal strip (broadband) and separated from one another at the beginning
  • a plurality of split strips strips formed by longitudinally dividing a wide metal strip (broadband) and separated from one another at the beginning
  • Show mentioned type in which the prefabrication of separate sleeves is omitted and slit strips of any width can be wound into stable slit strips on a common winding mandrel with a simple structure.
  • each sleeve is formed by the respective slit strip itself, by first defining the tape starts of all split strips to be wound up at predetermined mutual axial distances on the winding mandrel, that then by rotating the split strips under tension in more than an initial turn is wound onto the spread winding mandrel and at least two radially superimposed initial turns of the respective slit band are connected to each other tangentially shear-resistant (shear-resistant in the circumferential direction) in order to form a self-contained sleeve from the initial turns of each slit band so that the definition between the beginning of the tape and the Winding mandrel is released and then, while maintaining the spread of the winding mandrel and thus the frictional contact between the latter and the initially formed sleeves, the slit strips are wound onto their associated sleeves the.
  • the invention is therefore based on the idea of forming the sleeves required for winding as part of a slip clutch at the beginning of the winding process by means of the respective slit strip itself.
  • This has the advantage that the separate prefabrication of sleeves is not necessary. Since each sleeve is formed from the associated slit band, its axial width corresponds exactly to the width of the slit band to be wound up. As a result, slit strips of any width can be wound up without any problems. Since also the individual sleeves are formed on the winding mandrel itself under tension, they fit exactly on the winding mandrel, regardless of any tolerances thereof. It is therefore also possible to transmit approximately the same width-specific torques from the winding mandrel to the individual sleeves.
  • the individual slit strips are already connected to their associated sleeves after the sleeves have been formed on the winding mandrel, since the individual slit strips are not separated from them after the initial turns have been wound up.
  • the winding process can begin immediately.
  • the expandable parts of the winding mandrel are pressed against the inner circumferences of the sleeves with radial force.
  • the sleeves are entrained by friction, but the contact pressure is selected so that the individual sleeves can slide in the circumferential direction independently of one another on the winding mandrel.
  • the initial turns are tangentially connected to one another, which is expediently carried out by welding, e.g. spot welding, roller seam welding, by gluing or by the fact that a double-sided self-adhesive tape is inserted during winding between the initial turns and together with the slit strips is wound up.
  • the tangential shear-resistant connection of the initial turns forms self-contained sleeves which prevent the initial turns of the slit strips from tightening due to rope friction on the winding mandrel.
  • the beginning of the tape on the winding mandrel is expediently carried out by means of a clamping device provided thereon.
  • a clamping device are known in winding mandrels and are usually referred to as a clamping slot.
  • the winding mandrel is expediently driven at a speed which, from the start, results in limited rotating sliding (slipping) between all the sleeves and radially expandable parts of the winding mandrel.
  • the so-called “slip stick effect” is avoided, which could result from the fact that the static friction between a sleeve rotating synchronously with the winding mandrel is greater than the sliding friction of a sleeve slipping relative to the winding mandrel.
  • the slip stick effect would lead to jerky fluctuations in tension and, due to this, to gradual, lateral belt run.
  • the radial pressure with which the expandable parts of the winding mandrel are pressed against the inner circumferences of the cores is expediently increased with increasing diameter of the split collars so that the resulting specific strip tension decreases with increasing diameter.
  • An increase in pressure is necessary because with increasing diameter of the slit band bundles, a higher torque is required in order to to generate sufficient tape tension in the individual slit strips.
  • the pressure is increased so that the resulting specific tape tension gradually decreases with increasing coil diameter, then it is ensured that each turn is wound on such a previous, inner turn, which has been wound with a higher specific tape tension.
  • the gradually decreasing tape tension has the result that the turns do not slide on each other in the circumferential direction. This prevents surface damage to the slit strips, which could result from the mutual sliding of the surfaces of adjacent turns.
  • non-generic device (DE 28 07 614 C2) an operating mode is known in which the beginning of the tape is first placed in a slot of the winding mandrel and clamped. Then the mandrel is rotated at least once, but preferably two to three times, so that at least one, but preferably two or three turns of the slit strips are wound on the winding mandrel. Then the clamping between the beginning of the tape and the winding mandrel is released. When the winding mandrel continues to rotate, the beginning of the tape is pulled out of the slot of the winding mandrel by the retraction of the decoiler. The winding mandrel then turns within the initially formed turns of the slit strips.
  • the brake of the decoiler is slowly released and the speed of rotation of the winding mandrel is increased. Sufficient friction then arises between the outer surface of the winding mandrel and the innermost turn of the slit strips so that the individual slit strips are wound up.
  • the retraction is also generated by the decoiler during winding.
  • the diameter of the winding mandrel can be changed in order to achieve a controlled relative movement between the winding mandrel and the strips wound thereon. Furthermore, during the A separation between adjacent windings can be ensured by a rotatable adjusting member.
  • This rotatable adjusting element is supported on the outside of the windings and engages with separating elements in the form of disks which extend from the outside between the windings, thereby preventing contact of adjacent slit strip windings.
  • separating elements in the form of disks which extend from the outside between the windings, thereby preventing contact of adjacent slit strip windings.
  • the slitting line has a braked decoiler 1, a driving and coarse straightening machine 2, an infeed stand with belt side guides and subsequent calming roller group 3, a circular slitting shear 4, a burr rolling stand 5, a push-in device 6 with a separating shaft 7 and one Deflection roller 8, and a take-up reel 9 with a take-up mandrel 10.
  • Other devices customary in slitting lines are not shown in the drawing, since they are meaningless in connection with the invention.
  • the metal strip M drawn from the decelerated decoiler 1 by the driving and rough straightening machine 2 is first smoothed in the rough straightening machine.
  • the circular slitting shear 4 then divides the band M into several slit bands S, which initially run close together.
  • the burr rolling stand 5 the burrs that previously occasionally occurred at the edges of the slit strips during the slitting are flattened.
  • the push-in device 6 can be moved between the burr rolling stand 5 and the take-up reel 9. Before the start of winding, the push-in device is approached to the burr rolling stand and takes over the beginning of the strip (strip heads) of the individual slit strips S.
  • the push-in device 6 has a push-in table 12 which can be pivoted about the axis 11 and a pivotable clamping jaw 13.
  • the tape starts A of the slit strips S are driven into the insertion device 6 until the tape starts A protrude sufficiently beyond the insertion table 12 for the later insertion process.
  • the split strips S are spread laterally by hand when the burr stand 5 is open, brought to a distance of about 3-5 mm in the auxiliary separating device 14 and clamped on the insertion table 12 by the clamping jaws 13.
  • the ridge rolling stand 5 is then closed again, and the entire push-in device 6 is moved in the direction of the take-up reel 9 until the tape starts A in the open clamping slot of the clamping device 23 of the take-up mandrel 10 (FIG. 2).
  • the separating shaft 15 has separating disks 15a which engage in the gap between the individual slit strips S.
  • the separating shaft takes over the guiding of the slit strips afterwards.
  • the push-in device 6 also has a deflection roller 16.
  • the winding mandrel 10 has a rotationally drivable mandrel body 17, which is surrounded by four reel segments 18.
  • the reel segments 18 are guided by means of the guide rods 19 in a radially displaceable manner relative to the winding mandrel body 17.
  • a plurality of axially displaceable inner expansion wedge strips 20 are provided, on which the radially displaceable outer expansion wedge strips 21 are supported. These in turn act on the reel segments 18 via wedge surfaces.
  • a central piston rod 22 serves to drive the inner expanding wedge strips 20.
  • tension springs which are not shown, are located between the reel segments 18 and the winding mandrel body 17.
  • a clamping device 23 is provided in the winding mandrel 10 for the beginning of the tape A.
  • This clamping device 23 has a clamping jaw 23a which can be actuated independently of the spreading state of the reel segments 18.
  • the clamping jaws 23a is closed by actuating the clamping wedge strip 23b, which means that the beginning of the tape A on the winding mandrel 10 has been positioned correctly.
  • the clamping between the insertion table 12 and the jaws 13 is then released.
  • the separating shaft 15 is raised after the clamping has been released, so that the separating disks 15a engage between the individual slit strips S.
  • the clamping jaw 13 of the insertion device is pivoted upwards and the insertion table 12 is folded downwards.
  • the entire push-in device, or a part of the deflecting roller 16 carrying the same, is then lowered so far that the axis of the deflecting roller 16 lies below the axis of the winding mandrel, as shown in FIG.
  • the slit strips S have to be conveyed out of the system with a slight pull, since the clamping device 23 alone is not able to pull the slitting shear 4 or the remaining parts of the slitting device. This is only possible after at least one turn on the winding mandrel 10, since a rope friction has then built up.
  • the winding mandrel 10 is driven clockwise in the case shown in FIGS. 2 and 3 and the slit strips are wound onto the reel segments 18 under tension.
  • an adhesive tape roll 24 is pressed radially from the outside against the first turn of the slit strips. This results in a full Pressing the double-sided self-adhesive tape 24a against the split tapes, which pull the tape 24a off the adhesive tape roll 24 as the winding mandrel continues to rotate.
  • a protective film covering the double-sided self-adhesive tape 24a is removed by means not shown.
  • the adhesive tape 24a is cut off in the direction of the winding mandrel axis.
  • the double-sided self-adhesive tape 24a hereby connects the two initial turns of each split tape so that they are tangentially shear-proof, so that a self-contained sleeve is formed by the initial turns of each split tape.
  • the clamping jaws 23a are first opened, so that the fixing of the slit band starts A on the winding mandrel is canceled.
  • FIG. 4 shows the state after formation of the sleeves immediately before the start of the actual winding process, that is, before the slitting unit is run up to operating speed.
  • the tangential shear resistant connection of the initial turns can also be done in other ways.
  • a quick-curing adhesive could be applied to the initial windings, which, after curing, connects the initial windings with each other in a tangential-shear manner.
  • the adhesive can be applied by means of narrow transfer rollers, which would be attached in a manner similar to that shown in FIG. 3 with respect to the adhesive tape roll 24. Due to the narrow transfer rollers, the width of which is smaller than the gap width, it can be achieved that no adhesive gets into the gap between the individual gap bands, and with it the surface keep the winding mandrel free of adhesive.
  • a further, even simpler method for applying the adhesive would be the use of nozzles which can expediently be adjusted to the gap bandwidth and which are brought into close proximity with the gap strips for one or more turns. It would be expedient to use two successive nozzles and a two-component adhesive in order to avoid sticking of the nozzles. The curing component would then be applied from the second nozzle.
  • the tangential shear-resistant connection of the initial turns can also be carried out by welding, for example spot welding, or roller seam welding.
  • a plurality of essentially fork-shaped, stationary cutting disks are provided, which are located between the individual split strips in radial planes as far as Extend the vicinity of the mandrel circumference and enclose this semicircular. After the winding-up process has ended, these are moved radially outward from the split band bundles by means of cutting discs held by a common support axis 26.
  • spacer rings 27 of, for example, 3 mm axial width and 5 mm radial height on the reel segments 18 of the winding mandrel between the individual split strips. So that these rings can follow the spreading movement of the reel segments 18, they each have a cross slot and are spreadable in this way.
  • These spacer rings 27 guide the sleeves and the slit strips during the first turns. They have the advantage that they rotate together with the winding mandrel and do not grind on its surface.
  • the winding mandrel must be driven at a speed after formation of the sleeves, which from the start has a limited, rotating sliding (slipping) between all sleeves and the radially expandable reel segments 18 of the winding mandrel 10.
  • the friction occurring between the sleeves and the reel segments would result in some wear on the surface of the reel segments.
  • the surface of the reel segments should therefore be treated and / or coated in an appropriate manner to reduce wear. It is also conceivable to equip the reel segments with exchangeable wear strips or the like.
  • the profiling roller 29 engages in the annular groove 28 of the winding mandrel 10 during this cold profiling process with the interposition of the respective slit strip S. After at least one such longitudinal bead has been rolled into each initial turn, the profiling rollers 29 are removed from the winding mandrel 10 and a second, smooth turn is wound onto and with the first initial turn to form a sleeve connected tangentially by one of the methods described above.
  • the longitudinal bead which also engages in the annular groove 28 after removal of the profiling rollers 29, prevents the sleeve from migrating in the axial direction on the winding mandrel 10 during further winding.
  • the sleeve is stiffened by the longitudinal bead 30.
  • the profiling rollers 28 can be arranged on a shaft in a manner fixed against relative rotation, but axially adjustable, so that they can be adjusted for all occurring widths of split strips S in such a way that at least one complete longitudinal bead can be rolled into each split strip. For this purpose, a larger number of ring grooves must be provided in the winding mandrel.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Winding Of Webs (AREA)
  • Storage Of Web-Like Or Filamentary Materials (AREA)
EP19900123259 1990-01-23 1990-12-05 Method of simultaneously coiling several slit metal strips Withdrawn EP0438674A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19904001787 DE4001787C1 (fr) 1990-01-23 1990-01-23
DE4001787 1990-01-23

Publications (2)

Publication Number Publication Date
EP0438674A2 true EP0438674A2 (fr) 1991-07-31
EP0438674A3 EP0438674A3 (en) 1992-01-15

Family

ID=6398548

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19900123259 Withdrawn EP0438674A3 (en) 1990-01-23 1990-12-05 Method of simultaneously coiling several slit metal strips

Country Status (2)

Country Link
EP (1) EP0438674A3 (fr)
DE (1) DE4001787C1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116946497A (zh) * 2023-08-31 2023-10-27 广东中南钢铁股份有限公司 轧钢线材打包机和应用

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19844237A1 (de) * 1998-09-26 2000-04-20 Josef Froehling Gmbh Walzwerks Bandstreifenführungssystem
DE10138009A1 (de) * 2001-08-02 2003-02-20 Josef Froehling Gmbh & Co Kg W Vorrichtung zum Wickeln von Metallstreifen zu Coils
CN104495455A (zh) * 2014-12-18 2015-04-08 李东 一种2mm以上覆膜铁皮收卷装置
DE202015009188U1 (de) 2015-09-26 2016-11-11 Wieland-Werke Ag Abwickelvorrichtung
CN108502598A (zh) * 2018-05-14 2018-09-07 西南铝业（集团）有限责任公司 一种铝卷收卷方法
DE102018214862B4 (de) 2018-08-31 2025-09-25 Felix Waldner Gmbh Bremsvorrichtung und Verfahren zum Betreiben einer Bremsvorrichtung

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2726051A (en) * 1953-02-09 1955-12-06 Lifetime Products Corp Coiler
DE1602284A1 (de) * 1967-03-16 1970-04-30 Kabel Metallwerke Ghh Verfahren zum Aufhaspeln von mehreren durch Zerschneiden eines Metallbandes gebildeten Teilbaendern
US4093140A (en) * 1977-02-22 1978-06-06 Braner Enterprises, Inc. Method of recoiling slit material
US4201352A (en) * 1978-09-25 1980-05-06 Loopco Industries, Inc. Method and combination for winding strands of web material having varying thicknesses on a take-up drum
JPS59113926A (ja) * 1982-12-17 1984-06-30 Daifuku Co Ltd 円筒体内周面への薄鉄板の装着装置
DE3405246C1 (de) * 1984-02-15 1985-04-18 Sundwiger Eisenhütte Maschinenfabrik Grah & Co, 5870 Hemer Aufwickelvorrichtung fuer Teilstreifen eines in einer Spaltanlage laengsgeteilten Metallbandes

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116946497A (zh) * 2023-08-31 2023-10-27 广东中南钢铁股份有限公司 轧钢线材打包机和应用

Also Published As

Publication number Publication date
EP0438674A3 (en) 1992-01-15
DE4001787C1 (fr) 1991-04-25

Similar Documents

Publication Publication Date Title
DE2807614C2 (de) Verfahren zum Aufwickeln nebeneinanderliegender Blechstreifen
DE2527690C3 (de) Bandhaspel zum Auf- und Abwickeln von Metallbändern
EP2669225A1 (fr) Enrouleur et installation de coupe longitudinale avec enrouleur
DE1260580B (de) Wickelhaspelstaender
EP1420903B1 (fr) Procedes et dispositifs pour bobiner une bande de metal mince, notamment un feuillard d'acier mince lamine a chaud ou a froid
DE19738909A1 (de) Aufweitbare Welle und diese aufweisende Bandwickelvorrichtung
DE4012979A1 (de) Verfahren und vorrichtung zum aufwickeln von materialbahnen, insbesondere papier- oder kartonbahnen
DE69612493T2 (de) Wickeldorn und verfahren zum kernlosen wickeln von klebeband
DE3030798A1 (de) Verfahren und vorrichtung zum laengsschneiden und aufwickeln von bahnfoermigem material
DE69606448T2 (de) Abwickelvorrichtung für bandförmiges Material
DE4001787C1 (fr)
DE2220025A1 (de) Band-Spreizvorrichtung
DE3114276A1 (de) "umwickel- bzw. umhaspelmaschine fuer bandmaterial, insbesondere blech"
DE19503965A1 (de) Wickelwelle für eine Längsschneidemaschine
EP0759396B1 (fr) Dispositif et procédé pour emballer un rouleau de bande de matériau
DD228233A5 (de) Vorrichtung zum herstellen von gleichmaessig und dicht gewickelten bandrollen
DE2410121A1 (de) Verfahren zum aufwickeln von platten, streifen oder dergleichen aus elastisch komprimierbarem material
DE102013108184B3 (de) Wickelmaschine und Verfahren zum Herstellen von Drahtkernen für Fahrzeugreifen
EP0754505B1 (fr) Dispositif d'enroulement
DE69602399T2 (de) Gerät mit Friktionsnabe zum Bearbeiten von flächigem Material
EP3616803B1 (fr) Dispositif de freinage et procédé de fonctionnement d'un dispositif de freinage
DE2644084B2 (de) Haspel für Bandmaterial
DE60118964T2 (de) Vorrichtung und verfahren zum wickeln von bahnen
DE2404360A1 (de) Spanneinrichtung fuer baender sowie anwendung auf anlagen zum spalten oder zersaegen derselben der laenge nach
EP0886620B1 (fr) Dispositif d'enroulement continu de bandes de papier coupees longitudinalement avec changement automatique des rouleaux a vitesse de la machine

Legal Events

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

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AT BE CH DE ES FR GB IT LI SE

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AT BE CH DE ES FR GB IT LI SE

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

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 19920716