WO1987002019A1 - Dispositif pour le traitement de materiaux en bandes sans fin avec plusieurs postes de traitement a des vitesses differentes - Google Patents

Dispositif pour le traitement de materiaux en bandes sans fin avec plusieurs postes de traitement a des vitesses differentes Download PDF

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Publication number
WO1987002019A1
WO1987002019A1 PCT/EP1986/000563 EP8600563W WO8702019A1 WO 1987002019 A1 WO1987002019 A1 WO 1987002019A1 EP 8600563 W EP8600563 W EP 8600563W WO 8702019 A1 WO8702019 A1 WO 8702019A1
Authority
WO
WIPO (PCT)
Prior art keywords
roller
loop
feed
take
speed
Prior art date
Application number
PCT/EP1986/000563
Other languages
German (de)
English (en)
Inventor
Joachim Seidl
Original Assignee
Joachim Seidl
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 Joachim Seidl filed Critical Joachim Seidl
Publication of WO1987002019A1 publication Critical patent/WO1987002019A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H20/00—Advancing webs
    • B65H20/30—Arrangements for accumulating surplus web
    • B65H20/32—Arrangements for accumulating surplus web by making loops
    • B65H20/34—Arrangements for accumulating surplus web by making loops with rollers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H20/00—Advancing webs
    • B65H20/24—Advancing webs by looping or like devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H23/00—Registering, tensioning, smoothing or guiding webs
    • B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
    • B65H23/18—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web
    • B65H23/188—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web in connection with running-web
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H23/00—Registering, tensioning, smoothing or guiding webs
    • B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
    • B65H23/18—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web
    • B65H23/188—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web in connection with running-web
    • B65H23/1888—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web in connection with running-web and controlling web tension
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/44—Moving, forwarding, guiding material
    • B65H2301/449—Features of movement or transforming movement of handled material
    • B65H2301/4491—Features of movement or transforming movement of handled material transforming movement from continuous to intermittent or vice versa
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
    • B65H2511/10—Size; Dimensions
    • B65H2511/11—Length
    • B65H2511/112—Length of a loop, e.g. a free loop or a loop of dancer rollers

Definitions

  • the invention relates to a device for processing continuous material, in particular web material between several processing stations with different feed and take-off speeds according to the preamble of claims 1 and 4.
  • the sheet material When printing, perforating, punching or punching sheet material, for example paper and in particular for producing labels, the sheet material is generally processed by a plurality of processing plants in the aforementioned manner. Since the different processing plants also work with different speeds and motion sequences, a corresponding adjustment of the speed of the web material is necessary.
  • the web material In a combined printing and punching machine, for example, the web material is continuously unwound from the supply roll and fed to a winding roll.
  • the web material For rotary printing or punching, the web material is alternately transported at a speed which is matched to the peripheral speed of the rotary tool, and the prints are then directly connected to one another in the cliché empty spaces or, in some circumstances, slightly withdrawn.
  • tools such as flat punching require the sheet material to be transported step by step, i.e. rapid forward transport movements with idle breaks alternate one after the other.
  • a feed device is known with which a printing medium is fed from a discontinuously printing printing device to a continuously withdrawing processing unit.
  • a storage device is provided between the printing device and the processing unit, so that during the printing process in which the print carrier for printing stands still and at the same time the processing unit continues to continuously withdraw the print carrier, a part of the band-shaped print carrier is withdrawn from the storage device. The print carrier is then drawn in the form of a loop in the storage device.
  • DE-PS 944 133 describes a combined printing and punching machine which has a rotary printing unit and a downstream flat stamping unit. Since the printing cylinder is only partially covered with the printing form in rotary printing units, a loop laying carriage is provided in order to nevertheless allow the prints on the printing web to be connected directly to one another. This is wrapped in front of and behind the printing section by the web to be printed, and due to its periodic back and forth movement, the web to be printed in between can be moved alternately at printing speed and at a lower speed.
  • the punching unit which only works in sections, a loop of the paper web that has to be repeated must be formed by means of a rocker.
  • the grinding nlegschlitten and the rocker are coupled to each other so that the web throughput speed on the punching and rotating machines are the same on average.
  • This device has the disadvantage that the loop between the rotary printing unit and the flat punching unit loosely sags and appropriate measures are required so that the web tension and thus the register between the printing and punching unit are appropriately maintained before and after the loop.
  • Rotary printing units combined with a rotary stamping unit.
  • a loop laying carriage is provided, with the aid of which the web to be printed is moved alternately at printing speed and at low speed in accordance with the size of the printing form and the printing cylinder or the cutting cylinder.
  • the slide is moved by means of cams from a drive block back and forth.
  • the drive block, the rotary printing units and the rotary punching unit are moved at the same speed or at mutually adapted speeds.
  • This device has the disadvantage that when the feed sizes are changed, the cams have to be exchanged so that the path length that the loop-laying carriage has to compensate for, is adjusted. Furthermore, this device has the disadvantage that the punching time and transport speed of the web material can only be compensated for to a limited extent by different eccentrics.
  • the invention has for its object to compensate for different movements of the web-shaped material between the processing stations and to achieve a high register accuracy.
  • the invention is based on the basic idea of passing the continuous material over a positively controlled loop laying roller and thereby forming a reserve loop, the tension of which is always constant.
  • the loop laying roller is positively controlled on the basis of the determination of the speed difference between feed and take-off.
  • the device according to the invention permits a fully variable speed compensation of the most varied types of movement of the continuous material, ie it can be used to adapt different types of movement of the web material to one another.
  • the endless material in the form of a reserve loop is guided over a loop laying roller which can be moved transversely to its axis and which is displaced such that the tension in the reserve loop preferably remains constant in accordance with the speed and the outgoing speed of the endless material.
  • the loop is either reduced or enlarged.
  • all that needs to be taken into account is that the total length of the continuous material supplied corresponds over time to the total length of the continuous material and that the displacement path to be provided for the loop laying roller is adapted to the greatest speed difference or the greatest length difference to be compensated.
  • the device according to the invention has the advantage that a defined tension in the reserve is always maintained due to the positive control of the sliding movement of the loop laying roller, which is adapted to the incoming speed and the outgoing speed, with a tearing of the continuous material or an undesired one Sagging is avoided. It is preferably suitable for use in combined printing and die-cutting machines, for adapting the different types of movement of the web material, for example a print carrier that is rotatively printed and punched flat to produce labels.
  • the forced control is carried out with the aid of a computer which chend the incoming and outgoing speed of the continuous material controls the necessary displacement movement for the loop laying roller.
  • the loop-laying roller is preferably computer-controlled by an adjusting motor, for example a stepper motor or servo drive via an adjusting device, such as a worm gear, toothed linkage or ball screw spindle.
  • the computer receives take-off speed from sensors suitable for this.
  • the feed speed and the take-off speed are carried out under program control by the computer, in that the latter delivers control signals to a feed or take-off device.
  • the positive control is carried out with the aid of a mechanical coupling between an adjusting device for the loop laying roller and a feed roller and a take-off roller for the continuous material.
  • the adjusting device is preferably designed in such a way that the loop laying roller can be displaced parallel to a line parallel to its axis, e.g. by means of a worm gear or a screw drive, the respective ends of the axis being moved simultaneously in the same direction.
  • a play-free and rigid connection is preferably to be provided for the mechanical coupling between the adjustment device and the feed or take-off roller, the displacement speed and the feed or take-off speed being related in accordance with a certain legal relationship.
  • the mechanical coupling is carried out with the aid of a differential gear.
  • the feed roller and the take-off roller are each connected to a first and second shaft of the differential gear and the output shaft of the differential gear is connected to the adjustment device for the loop laying roller.
  • the ratio of the gear ratios is to be chosen so that the difference between the speeds of the feed roller and the take-off roller resulting on the output shaft corresponds to the speed required for the sliding movement of the loop laying roller.
  • three reversing rollers are preferably arranged symmetrically to the arrangements of the feed roller, the take-off roller and the loop laying roller.
  • Two reversing rollers are preferably arranged with their axes parallel and at a distance from the feed or take-off roller. The distance to these reversing rollers is advantageously equal to the distance between the feed roller and the take-off roller.
  • the third reversing roller is fixed relative to the loop laying roller and, together with the latter, is movable along a connecting line between the feed or removal roller and the fixedly arranged reversing rollers.
  • the Schleifenlegwalze and the third reverse roller will be supported by the adjusting device according to the ⁇ ⁇ ness feeding and Abzugsgeschwindig adjusted together. All the rollers are connected to one another via a "common transmission drive. This ensures that rotary movements of the feed or take-off roller are transmitted directly and immediately to one of the two fixed reversing rollers and as a result along the jointly movable arrangement of the loop laying roller and the third Q reversing roller the displacement path is adjusted.
  • the feed roller, the take-off roller, the loop laying roller and the three reversing rollers each have a gear wheel on at least one of their ends.
  • a continuous toothed belt that wraps around all the gears is provided as the transmission drive.
  • a first loop the length of which corresponds to the reserve loop of the endless material between the gear wheels of the looping roller and the feed and take-off roller, and a second loop between the gear wheels of the reversing roller and the fixed reversing rollers.
  • the toothed belt is preferably steel-reinforced and not designed to be stretchable.
  • the displacement path for the jointly movable loop laying roller and reversing roller i.e. the distance between the feed or take-off roller and the two fixed reversing rollers, chosen so that the greatest difference between the speeds of movement of the continuous material to be drawn off and fed can be compensated.
  • the supplied length of the continuous material is either buffered as a loop if the take-off speed is lower, or the continuous material from the material storage, i.e. taken from the reserve loop when the feed speed is lower in order to keep the web tension constant.
  • the diameters of the feed roller, the take-off roller and the loop laying roller are the same.
  • the distance between the feed and take-off roller is advantageously chosen to be equal to the diameter, so that the two lengths of the reserve loop run parallel to one another and the displacement path for the loop-laying roller is half the difference between the drawn and supplied length of the continuous material.
  • the gears are preferably all of the same size and have the same number of teeth. It is also preferable that the effective diameter of the gear wheels corresponds to the diameter of the corresponding feed roller, the take-off roller and the loop laying roller. Different roller sizes can also be selected, the sizes of the corresponding gear wheels being selected in a suitable manner.
  • the above-mentioned object is achieved in an advantageous manner in that the endless material is guided over at least one further reversing roller, which is arranged in such a way that a further loop of the endless material is formed.
  • the continuous material can advantageously be processed in two or more layers one above the other. For example, this makes it possible to arrange a flat punch in such a way that at least two layers of the continuous material are punched simultaneously.
  • the position of the further reversing roller is preferably adjustable, so that the layers come into proper coincidence in accordance with the size of the pattern or the spacing between the punchings in the continuous material, in particular with the web material.
  • Such an arrangement has the advantage that the Bruenma ⁇ which is TERIAL performed in the loop is Movable Material- is possible, for example, at constant gleich ⁇ Stanzgeschwind ' .
  • the further reversing rollers are driven synchronously with the take-off roller of the preceding compensating device, ie the rollers are either mechanically coupled or they each have their own drives which are controlled in a suitable manner. As a result, high transport speeds can be achieved.
  • Figure 1 is a side view of a first computer-controlled embodiment
  • Figure 2 is a schematic diagram for a coupling according to the invention by means of a differential gear
  • Figure 3 is a side view of another embodiment of the invention
  • FIGS. 4a and 4b show a side view of a further independent solution of the invention with an example for a punching pattern
  • FIG. 5 shows a side view of a further development of the device according to FIG. 4.
  • the forced control of a loop laying roller 30 is carried out by a computer 40.
  • a Programm ⁇ control which is' an input unit 41 input to the computer 40, both the feed speed of a feed roller 10 and the take-off speed of a take-off roll are controlled 20th
  • Motors 12 and 22 are provided as drives, which are preferably designed as stepper motors.
  • the two drives 12, 22 for the feed and take-off roller can optionally be moved forwards and backwards and at different speeds by the control of the computer 40.
  • a web material 1 is guided over the feed roller 10, the loop laying roller 30 and the take-off roller 20.
  • Loop laying roller 30 can be displaced transversely to its axis with an adjusting device in such a way that the reserve loop of the endless material is optionally larger and smaller.
  • the computer 40 determines the required displacement movement from the feed and take-off speed and controls one for the adjustment device of the loop laying roller provided actuator 32.
  • the servomotor 32 is preferably designed as a stepper motor and drives a spindle gear, the spindle 33 of which adjusts a nut 34 connected to the axis 31 of the loop laying roller 30 in a suitable manner.
  • a spindle gear the spindle 33 of which adjusts a nut 34 connected to the axis 31 of the loop laying roller 30 in a suitable manner.
  • a possible mechanical coupling for the forced control is shown in Figure 2.
  • a differential gear 60 is used, the first shaft 61 of which is connected non-rotatably or with a suitable transmission ratio to the feed roller and the second shaft 62 of which is non-rotatably connected or with a suitable transmission ratio to the take-off roller.
  • the output shaft 63 of the differential gear 60 rotates at a speed which corresponds to the difference in the speed of the first shaft 61 and the second shaft 62.
  • the output shaft 63 is preferably connected directly to the adjusting device for the loop laying roller.
  • FIG. 3 An alternative embodiment of the invention is shown in FIG. 3, in which three reversing wheels 110, 120, 130 are arranged symmetrically to the feed roller 10, the take-off roller 20 and the loop laying roller 30.
  • the axes 111, 121 of two reversing wheels 110, 120 are fixed in parallel and arranged at a distance from the feed roller 10 and the take-off roller 20.
  • the axis 131 of the third reversing wheel 130 is rigidly connected to the axis 31 of the loop laying roller 30.
  • the loop laying roller 30 and the third reversing wheel .130 can be displaced together along a connecting line between the feed or withdrawal roller 10 20 and the two stationary reversing rollers 110, 120.
  • All rollers have a gear wheel 15, 25, 35, 115, 125, 135 at both ends.
  • the effective diameter of these 7th gear wheels is the same as that of the feed, take-off and looping rollers.
  • the distance between the feed roller 10 and the take-off roller 20 and the distance between the two reversing wheels 110, 120 are selected to be equal to the diameter of the rollers.
  • the continuous material 1 is between the feed roller 10 and the take-off roller 20 in the form of a reserve loop around the
  • This reserve loop corresponds to the first loop of the toothed belt and becomes either larger or smaller depending on the feed speed v and the take-off speed v.
  • the second loop of the timing belt 50 which over the
  • the distance between the feed roller 10 or the take-off roller 20 and the two fixed reversing wheels 110, 120 is selected so that the greatest length difference occurring between the supplied and the withdrawn material can be compensated.
  • FIG. 4a shows an independent solution of the invention, in which the continuous material 1 is continuously fed to a first compensating device 2 and is delivered to the punching units 80 to 82 and 85 to 87 in batches on the output side thereof.
  • the continuous material 1 is machined by the punches 80, 81 and 85, 86 at standstill and then fed to a second compensating device 3, from which the continuous material is continuously drawn off and wound up on the output side, for example.
  • the direction of movement of the continuous material 1 is reversed by means of reversing rollers 70, 71, 72 so that it is punched by the punch 80, 81 in two layers and by the punch 85, 86 in one layer.
  • the distances between the reversing rollers 71, 72 to the first punching unit 80, 81 and between the two punching units are set, for example, in such a way that the punching pattern shown in FIG. 4b is produced.
  • the round holes 88 are punched out by the punch 85, 86 and the rectangular holes 83 by the punch 80, 81.
  • the distance between the round holes 88 corresponds to the feed or the batchwise forward transport of the endless material 1 and the distance between the punch 80, 81 via the reversing rollers 71, 72 and back is a multiple of half the feed.
  • FIG. 5 shows a development of the invention with which the continuous material 1 is punched in three layers.
  • the direction of movement of the continuous material is reversed twice by means of reversing rollers 90, 91, 92, 93 and guided in three layers through the punch 100, 101, so that three identical punchings are carried out simultaneously with one feed and punching operation.
  • the drives 82, 87, 102 are preferably of the type shown in FIGS.
  • FIGS. 4a and 5 control punching units controlled by a computer and then activated together when the endless material has come to a standstill.
  • the drives of the take-off roller 20 of the first compensation device 2 and the feed roller 10 of the second compensation device 3 are either mechanically coupled or are controlled synchronously by the computer.
  • the speed of the take-off roller 20 of the first compensation device 2 can deviate slightly from the speed of the feed roller 10 of the second compensation device 3 in order to compensate for changes in length of the continuous material 1 between the two compensation devices 2 and 3.
  • This allows an expansion of the continuous material 1 (e.g. when cross-perforating) or a compression (e.g. when creasing in the transverse direction) to be compensated and the web tension can be maintained.
  • the compensation device has the advantage that the most varied types of movement can be adapted to one another without the material tension present in the endless material and thus the pressure and punch register being lost.
  • the material movement present at the input of the device can be converted into any other movement, for example a continuous movement, such as when unwinding the continuous material, a step-by-step forward movement, such as in flat punching, or in a combined forward and short backward movement, such as in rotary printing, for example with a three-quarter cliché, or with rotary punching.
  • These movements can then be converted in a further compensating device, for example into a continuous movement as when winding up.
  • a large number of such compensation devices can be used in succession in order to to generate types between two successive compensation devices.
  • a continuous take-off speed is generally generated for winding, but batch-wise delivery is also possible, for example when cutting or folding sheets.

Landscapes

  • Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)
  • Advancing Webs (AREA)

Abstract

Le dispositif pour l'équilibrage de vitesses d'entrée et de sortie différentes de matériaux san fin (1), en particulier de matiériaux en bande, est équipé d'un rouleau (30) supporté par une boucle autour duquel est alimenté le matériau sans fin (1) sous forme d'une boucle de réserve et dont le déplacement est automatiquement commandé par la vitesse d'entrée (v1) et la vitesse de sortie (v2) du matériau sans fin (1). La commande automatique est réalisée par exemple à l'aide d'un ordinateur (40) qui calcule le déplacement nécessaire du rouleau (30) supporté par la boucle en fonction de la vitesse de rotation d'un rouleau d'entrée (10) et d'un rouleau de sortie (20) et qui envoie les signaux correspondants vers un moteur de réglage (32) prévu à cet effet. Le rouleau (30) supporté par la boucle est déplacé de préférence parallèlement à l'axe des rouleaux d'entrée (10) et de sortie (20). Le dispositif permet de réaliser un equilibrage entièrement variable des vitesses pour des types de mouvement extrêmement variables du matériau sans fin à l'entrée et à la sortie du dispositif d'équilibrage.
PCT/EP1986/000563 1985-09-30 1986-09-30 Dispositif pour le traitement de materiaux en bandes sans fin avec plusieurs postes de traitement a des vitesses differentes WO1987002019A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEP3534846.1 1985-09-30
DE19853534846 DE3534846A1 (de) 1985-09-30 1985-09-30 Vorrichtung zum ausgleichen unterschiedlicher zufuehr- und abzugsgeschwindigkeiten von endlosmaterial

Publications (1)

Publication Number Publication Date
WO1987002019A1 true WO1987002019A1 (fr) 1987-04-09

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PCT/EP1986/000563 WO1987002019A1 (fr) 1985-09-30 1986-09-30 Dispositif pour le traitement de materiaux en bandes sans fin avec plusieurs postes de traitement a des vitesses differentes

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Country Link
DE (1) DE3534846A1 (fr)
WO (1) WO1987002019A1 (fr)

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US4929297A (en) * 1989-01-25 1990-05-29 Mitsubishi Jukogyo Kabushiki Kaisha Splicing system
EP0521159A1 (fr) * 1990-04-13 1993-01-07 Sk Engineering Ltd Systeme automatique de jonction de bandes
EP0669275A1 (fr) * 1994-02-24 1995-08-30 Gretag Imaging Ag Accumulateur à boucle pour dispositif de transport de bande
CN111607917A (zh) * 2020-05-20 2020-09-01 浙江信胜科技股份有限公司 料带防跑偏送片结构及烫片机

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DE4114297C2 (de) * 1991-05-02 2003-05-28 Zahoransky Anton Gmbh & Co Vorrichtung zum Stopfen und Verankern von Borstenbündeln
DE4241353C2 (de) * 1992-11-11 1996-10-02 Kisters Maschinenbau Gmbh Tänzer für eine bahnförmiges Material verarbeitende Maschine
DE19501982B4 (de) * 1995-01-24 2009-06-10 Elau Gmbh Zuführvorrichtung einer diskontinuierlich bahnförmiges Material verarbeitenden Maschine
DE59811872D1 (de) * 1998-09-15 2004-09-30 Imip Llc Wilmington Speichereinrichtung für Fotomaterial
DE10003107B4 (de) * 2000-01-25 2007-10-11 Maschinenfabrik Wifag Verfahren und Vorrichtung für einen Transport einer Bedruckstoffbahn zwischen Funktionseinheiten einer Rotationsdruckmaschine in besonderen Betriebssituationen
DE10233469B4 (de) * 2002-07-24 2005-05-12 Koenig & Bauer Ag Strangführungsvorrichtung
DE10307200B4 (de) * 2003-02-20 2005-08-04 Lemo Maschinenbau Gmbh Vorrichtung zum intermittierenden Zuführen einer Materialbahn
FR2969590A1 (fr) * 2010-12-22 2012-06-29 Nipson Sas Systeme de stockage papier a double boucle
JP5572239B1 (ja) * 2013-03-08 2014-08-13 花王株式会社 搬送経路の転換装置
DE102013215547A1 (de) * 2013-08-07 2015-02-12 Krones Aktiengesellschaft Vorschub- und Speichervorrichtung für ein endlos gefördertes Bandmaterial und Verfahren zu dessen Förderung
US9309081B2 (en) * 2013-10-15 2016-04-12 Kimberly-Clark Worldwide, Inc. Active center pivot device for controlling sheet tension and method of using same
DE102017124562A1 (de) 2017-10-20 2019-04-25 Maschinenfabrik Rieter Ag Textilmaschinenverbund mit einer Bandspeichereinheit zum Zwischenspeichern von Faserband
CN110356887A (zh) * 2019-06-20 2019-10-22 徐州嘉搏纺织股份有限公司 一种针织品生产用退卷机
DE102021129745A1 (de) 2021-11-15 2023-05-17 Manroland Goss Web Systems Gmbh Formatvariable Stanzvorrichtung und Verfahren hierzu

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FR1444769A (fr) * 1964-05-07 1966-07-08 Bobst Champlain S A Mécanisme de transport intermittent d'une bande périodiquement immobilisée par unfrein
CH540776A (de) * 1972-05-23 1973-08-31 Ferd Rueesch Maschinenfabrik F Druckmaschine
US4009814A (en) * 1975-09-08 1977-03-01 Scott Paper Company Web accumulator
GB2056953A (en) * 1979-08-16 1981-03-25 Bwg Bergwerk Walzwerk Strip magazine driving unit

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4929297A (en) * 1989-01-25 1990-05-29 Mitsubishi Jukogyo Kabushiki Kaisha Splicing system
EP0378721A1 (fr) * 1989-01-25 1990-07-25 Mitsubishi Jukogyo Kabushiki Kaisha Système de raccordement de bandes
EP0521159A1 (fr) * 1990-04-13 1993-01-07 Sk Engineering Ltd Systeme automatique de jonction de bandes
EP0521159A4 (en) * 1990-04-13 1993-02-10 Sk Engineering Ltd Automatic web-joining system
EP0669275A1 (fr) * 1994-02-24 1995-08-30 Gretag Imaging Ag Accumulateur à boucle pour dispositif de transport de bande
US5597105A (en) * 1994-02-24 1997-01-28 Gretag Imaging Ag Apparatus for buffering a variable length loop of strip material
CN111607917A (zh) * 2020-05-20 2020-09-01 浙江信胜科技股份有限公司 料带防跑偏送片结构及烫片机
CN111607917B (zh) * 2020-05-20 2023-08-15 浙江信胜科技股份有限公司 料带防跑偏送片结构及烫片机

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Publication number Publication date
DE3534846C2 (fr) 1987-10-29
DE3534846A1 (de) 1987-04-16

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