EP1857390B1 - Dispositif assembleur - Google Patents

Dispositif assembleur Download PDF

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Publication number
EP1857390B1
EP1857390B1 EP06009925A EP06009925A EP1857390B1 EP 1857390 B1 EP1857390 B1 EP 1857390B1 EP 06009925 A EP06009925 A EP 06009925A EP 06009925 A EP06009925 A EP 06009925A EP 1857390 B1 EP1857390 B1 EP 1857390B1
Authority
EP
European Patent Office
Prior art keywords
revolving body
sheet
sheets
rotary body
control device
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.)
Active
Application number
EP06009925A
Other languages
German (de)
English (en)
Other versions
EP1857390A1 (fr
Inventor
Erwin Mahler
Thomas Mazur
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.)
Hunkeler AG
Original Assignee
Hunkeler AG
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 Hunkeler AG filed Critical Hunkeler AG
Priority to EP06009925A priority Critical patent/EP1857390B1/fr
Priority to US11/798,464 priority patent/US7618040B2/en
Priority to JP2007128523A priority patent/JP5107607B2/ja
Publication of EP1857390A1 publication Critical patent/EP1857390A1/fr
Application granted granted Critical
Publication of EP1857390B1 publication Critical patent/EP1857390B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
    • B65H29/50—Piling apparatus of which the discharge point moves in accordance with the height to the pile
    • B65H29/51—Piling apparatus of which the discharge point moves in accordance with the height to the pile piling by collecting on the periphery of cylinders
    • 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
    • B65H2301/50—Auxiliary process performed during handling process
    • B65H2301/51—Modifying a characteristic of handled material
    • B65H2301/513—Modifying electric properties
    • B65H2301/5132—Bringing electrostatic charge
    • 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
    • B65H2301/50—Auxiliary process performed during handling process
    • B65H2301/53—Auxiliary process performed during handling process for acting on performance of handling machine
    • B65H2301/532—Modifying characteristics of surface of parts in contact with handled material
    • B65H2301/5322—Generating electrostatic charge at said surface
    • 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
    • B65H2511/20—Location in space
    • B65H2511/21—Angle
    • B65H2511/212—Rotary position
    • 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
    • B65H2511/50—Occurence
    • B65H2511/51—Presence
    • B65H2511/512—Marks, e.g. invisible to the human eye; Patterns
    • 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
    • B65H2511/50—Occurence
    • B65H2511/51—Presence
    • B65H2511/514—Particular portion of element

Definitions

  • the present invention relates to a collecting device according to the preamble of claim 1.
  • Collection devices which fix a plurality of supplied sheets successively on a rotating rotary body and thereby form a sheet stack, for example, from EP-A 1 471 022 , of the US-A 2002/0074716 , of the DE 763 627 or the DE 620 892 known. All collecting devices are intended to fix the sheets on the one hand and align them register-accurate on the other hand.
  • the known collection devices have to holding and stop elements, which are arranged on the outer surface of the rotary body. The stop elements form a radially outwardly projecting from the outer surface mechanical stop on which the leading edge of a newly arriving bow is aligned. The holding elements fix the sheet (s) mechanically by clamping.
  • EP-A 1 471 022 uses only one type of gripper.
  • the identical grippers are divided into two groups, which functionally alternate as stop or holding elements.
  • a disadvantage of the known devices are the predetermined by the mechanical stop and holding elements receiving positions for the sheets on the circumference of the rotary body.
  • the setup of the collecting device is complicated, because a sheet must be fed so that its leading edge meets the stop.
  • these collection devices are inflexible because they only have a fixed picking position. The recording of multiple sheets at different recording positions and thus the simultaneous formation of multiple sheet stacks with shorter formats (multiple uses), switching from single to multiple use or staggered recording of sheets is not possible.
  • a generic collecting device with the features of the preamble of claim 1 is in the EP-A-1 464 603 described.
  • the invention has for its object to provide a collecting device available that allows the collection of sheets at previously unspecified recording positions and thus the flexible processing of different formats.
  • the collecting device comprises, in a manner known per se, a supply device for sheets, a rotary body rotatably mounted about an axis, a drive with which the rotary body is set in rotation, and a device for generating a holding force for fixing at least two sheets in the form of a Sheet pile on the outer surface of the rotating body, and a control device.
  • the device for generating a holding force is not arranged on the rotary body, but comprises an electrode arrangement which has at least one electrode arranged at a distance from the rotary body and radially outside the outer surface of the rotary body. It generates waiving with the rotary body co-moving mechanical holding means a sheet stack on the rotary body fixing holding force.
  • the rotary body and the feeding device are driven synchronized so that the sheets are recorded in register or with a predetermined offset.
  • the control device is able to change the rotation of the rotating body and / or the feed speed of the feed device such that the incoming sheet is fixed flush with or omitted at a predetermined distance to optionally already fixed sheets waiving with the rotating body mitbewegte mechanical stop means.
  • one or more sheet stacks can be formed on the outer surface of the rotary body, which sheets may comprise in any arrangement relative to each other. Also, two or more partially overlapping sheets are referred to as "sheet stacks" below.
  • the above-mentioned device for generating a holding force is not moved in contrast to the prior art and is located outside of the rotating body.
  • the holding force is not only punctually and temporally clocked by acting on the front edge holding elements, but preferably temporally continuous and exercised over part or all of the surface of the sheet.
  • the holding force acting on a sheet is thus substantially independent of the rotational position of the rotating body despite stationary arranged device for their generation. As a result, there are no predetermined receiving positions along the outer surface of the rotating body.
  • the holding force for fixing the sheets or the sheet pile is based on electrostatic charging of the incoming sheets.
  • electrostatic charging the two surfaces of the arc will be understood to have opposite polarity charges. By attracting these charges, the arcs are fixed to each other and to the outer surface of the rotating body.
  • the charging can be effected by a pair of electrodes arranged above and below the sheet plane in the region of the feed device.
  • a particularly good holding effect results when the rotary body, which is electrically conductive thereto at least on the outer surface, as a counter electrode to the outside of the rotary body arranged electrode, e.g. a tip electrode is used, in particular grounded.
  • the drive of the feeder and the drive of the rotary body are preferably in a master-slave relationship to each other.
  • the rotating body rotates continuously and unregulated at a predetermined speed until a first sheet is picked up.
  • the feeding of a sheet by means of the feed device is communicated to the control device by means of a preferably optical detection device, for example a light barrier. This detects the leading or trailing edge of a sheet or arranged on the sheet register mark and transmits the controller a corresponding control signal.
  • the control device preferably the rotational position of the rotary body continuously can detect the rotational position at the time of arrival of the control signal.
  • the position of the first sheet is determined on its recording on the rotary body, for example, the rotational position upon arrival of the leading edge on the outer surface of the rotating body.
  • An appropriate size is stored as a target rotational position, which must be taken again on arrival of another sheet.
  • the rotational position of the rotary body is also registered and a correction variable determined, by means of which the rotational speed is adjusted so that the rotational position when receiving the other sheet, for example, on arrival of the leading edge on the outer surface of the target rotational position equivalent.
  • a trigger signal of an upstream unit e.g. a printer or a cutting device. If there is a fixed relationship between the time of this trigger signal and the time of recording on the rotary body, the target rotational position can also be determined from such a trigger signal.
  • the collection device can be particularly advantageous in connection with the production of digital newspapers "on demand", ie in Insert small pads.
  • the belonging to a newspaper sheets are printed in series with a digital press.
  • a first newspaper with a first format is often followed by a second newspaper of a different format.
  • the newspapers may also contain "have” bows or supplements in another format.
  • the collecting device allows a quasi-instantaneous, purely control-technical switching between different format lengths from one newspaper to the next or within the same newspaper.
  • the collecting device 10 comprises a feed device 12 and a rotary body 14 rotatable about an axis A in the form of a cylinder or a drum.
  • Fig. 1 For example, the formation of a sheet stack 34 from individual sheets 30 is shown (single use) while FIG Fig. 2 the simultaneous formation of two sheet stacks 34, 35 of sheets 30, 31 shows (multiple benefits).
  • the collecting device 10 is the same in both cases, in Fig. 2 However, for reasons of clarity, individual elements are omitted.
  • the structure of the collector 10 will be described below.
  • the feed device 12 comprises a plurality of conveyor roller pairs 13, which are moved by a drive 22 in order to move an incoming sheet 30, 31 with a feed speed v z to the rotary body 14 in a horizontal feed plane E in the conveying direction F.
  • the Zu secondaryebene E runs here tangentially to the cylinder jacket or to the outer surface 16 of the rotary body 14, but also a curved feed is conceivable.
  • As the receiving area 46 of that region is referred to, in which the Zu secondaryebene E strikes the outer surface 16 of the rotating body 14 and minimally approaches, here the area around the uppermost point of the rotating body fourteenth
  • Another drive 18 is provided to enable the rotary body 14 in rotation.
  • the peripheral speed v u on the outer surface 16 of the rotary body 14 is present in the limits of the control range approximately equal to the feed rate v z .
  • the outer surface 16 of the rotary body 14 has no radially outwardly projecting mechanical elements.
  • This space area 42 has the shape of a cylinder with an annular base.
  • the outer surface 16 is understood to be that surface to which the sheet 30, 31 or sheet stack 34, 35 applies during operation. It can also be broken, for example consist of several segments.
  • a device for generating a holding force 23 comprises an electrode or electrode arrangement 24, which is arranged radially outside the rotary body 14. It is located at a distance d above the rotary body 14. Between the rotary body 14 and the electrode 24, a conveying gap 44 is formed. The distance d is approximately between 20 and 40 mm.
  • the electrode 24 is constantly connected to a high voltage source 25, while the rotary body 14 is grounded and acts as a counter electrode.
  • a DC voltage of about 10 to 30 kV.
  • a tip electrode device is used, which has a plurality of sharp-pointed expiring individual electrodes, which are arranged transversely to the feed direction F.
  • a detecting means 28 for scanning the leading edge 32 of a sheet or other sheet features, e.g. of printed register marks.
  • the detection means is preferably an optical sensor, e.g. a photocell.
  • a mechanical switch 27 is provided, which can be retracted from the outside into the space area 42 described above, to peel the sheet stack 34, 35 from the outer surface 16 of the rotary body 14.
  • the inactive position of the switch 27 is represented here by solid lines, the active position by dashed lines.
  • a Weghold listening 26 which is designed, for example, analogous to the feed device with driven conveyor roller pairs 26 '.
  • the switch can also within the Outer surface 16 preferably be arranged stationary so that they can enter from inside into the space area 42 and the sheet stack 34, 35 can lift off, whereupon this is taken over by the Weguntancing 26.
  • a control device 20 controls the drives 18, 22 of the rotary body 14 or the feed device 12 and receives signals S1, S2 from the detection device 28 or from the drive 18 of the rotary body 14.
  • the collecting device 10 is preceded by a preceding module 40, by means of which the sheets 30, 31 or the still undivided material web are conveyed to the feed device 12 at a speed v p . It is also a drive 41 is provided.
  • the predecessor module 40 is here a cross-cutting device which separates a continuous material web into individual sheets 30, 31.
  • the collector 10 works as follows:
  • the sheets 30, 31 are conveyed in the feeder 12 at a feed speed v z .
  • the control device 20 outputs to a corresponding control signal to the drive 22.
  • the control device 20 the peripheral speed v u of the rotary body 14 by a corresponding control signal to the drive 18 before.
  • the peripheral speed v u corresponds to the feed speed v z .
  • the feed rate v z is greater than the speed v p in the preceding module 40 by the ratio gap length 1 to arc length L.
  • the gap length becomes 1 adapted to the bow length L chosen that arc length L plus gap length 1 corresponds to the circumference of the rotary body 14 ( Fig. 1 ).
  • the speed ratio v z to v p calculated in this way is set electronically via the control device 20, the predecessor module 40 specifying the speed v p .
  • a corresponding feed signal is forwarded digitally to the control device 20.
  • the drive 41 of the predecessor module 40 and the drive 22 of the feed device 12 are therefore coupled together via an electronic transmission, so that the transmission ratio is variable. If sheets of different length L are to be collected in a common stack 34, 35, the feed rate v z and thus also the peripheral speed v u is changed during collection. Thus, for example, after a bend 30, 31 with a shorter arc length L, a larger gap 38 must be created by increasing v z and v u , so that the leading edge 32 of a following signature comes to rest on the stack 34, 35 in register.
  • the control device 20 evaluates trigger signals from the predecessor module 40, with which the sheet length L or the cutting operations are displayed.
  • the rotary body 14 is continuously driven, unregulated until receiving a first sheet 30.
  • the detection device 28 transmits a signal S1 to the control device 20.
  • the sheet 30 is meanwhile conveyed further and strikes the rotary body 14 in the receiving region 46 Area is present Also, the electrode 24.
  • the electrode With the electrode, first the leading edge 32 and the further rotation of the rotary body 14 of the entire sheet 30 is electrostatically charged and thus fixed to the rotary body 14.
  • the rotational position when picking up a first sheet 30 is arbitrary, since there are no predetermined by mechanical elements recording positions.
  • control device 20 For synchronization of subsequent sheets 30, the control device 20 is able to determine the rotational position when recording a first sheet or a proportional size to save as a target rotational position and the drives 18 and 22 to influence such that the target rotational position even on arrival another sheet 30 is taken again.
  • the control device 20 therefore acts as a position controller for the rotary body 14.
  • the control device 20 receives to continuously or on request signals S2 from the drive 18 of the rotary body 14, from which the current rotational position with respect to a predetermined reference position can be closed. From the signal S2, which was transmitted or interrogated at the time of the input of the signal S1, the control unit 20 can determine the rotational position of the rotary body 14 upon impact of the leading edge 32 on the rotary body 14 or arrival of the leading edge 32 in the receiving area 46. This is possible since the peripheral speed v u or rotational frequency of the rotary body 14, the feed speed v z and the distance b of the detection device 28 from the receiving area 46 are known.
  • the rotational position determined in this way when a first sheet strikes or a signal directly linked thereto is stored as a desired rotational position by the control device.
  • a signal S1 is also transmitted to the control device 20 by the detection device 28 and the current rotational position is determined by the drive 18 by signal S2. From this, the uncorrected rotational position can be determined on the expected rotational moment of the front edge 32 on the rotary body 14 (actual rotational position).
  • a correction variable K is determined and transmitted to the drive. This correction variable K indicates the amount by which the circumferential or angular velocity of the rotary body 14 must be changed so that the position error is corrected until the leading edge 32 has reached the receiving region 46.
  • the leading edge 32 of the sheet 30 is placed flush with the leading edge 36 of the stack 34.
  • the first sheet 30 is electrostatically fixed to the rotary body 14 and the following sheets 30 are respectively fixed to the preceding sheet 30. Since the rotary body 14 acts as a counter electrode, the electrostatic charge is refreshed with each revolution. It has been shown that at field strengths of 0.7 to 6.0 kV / m in the receiving area 46 sheet stacks 34, 35 can be easily fixed from 2 to 24 paper sheets (with a maximum of 40-65 g / m 2 ).
  • the complete stack 34 is peeled off by means of the switch 27 connected to the gap from the rotary body 14 and fed to a successor module 26. This is the last Supplied sheet 30 of the stack 34 and immediately transported away with the completed stack 34.
  • Shorter sheets 30, 31 are generated, which are alternately assigned to one of the two stacks 34, 35.
  • the control device 20 determines a plurality (here two) of the desired rotational positions and corrects the movement of the rotary body 14 accordingly so that the sheets 30, 31 are received flush with the leading edge 36, 37 of the stack 34, 35.
  • the nominal rotational position is mathematically adjusted from sheet to sheet, e.g. to variably synchronize an additional sheet to the trailing edge or the center of an already recorded sheet.

Claims (6)

  1. Dispositif de collecte (10) destiné à rassembler des feuilles (30, 31), en particulier des feuilles de papier imprimées, pour former une pile (34, 35) de feuilles, le dispositif présentant :
    un corps rotatif (14) monté à rotation autour d'un axe (A),
    un entraînement (18) qui permet de mettre en rotation le corps rotatif (14),
    un dispositif d'amenée (12) qui amène les feuilles (30, 31) au corps rotatif (14),
    un ensemble (23) qui exerce une force de maintien qui fixe sur la surface extérieure (16) du corps rotatif (14) des piles (34, 35) de feuilles constituées d'au moins deux feuilles (30, 31) et
    un dispositif de commande (20) en mesure de modifier la rotation du corps rotatif (14) et/ou la vitesse d'amenée (vz) du dispositif d'amenée (12) de telle sorte qu'une feuille (30) qui arrive puisse être fixée à chant ou à une distance prédéterminée par rapport à des feuilles (30) déjà fixées,
    caractérisé en ce que
    l'ensemble de collecte comporte un dispositif de détection (28) relié au dispositif de commande (20), qui saisit le bord avant ou le bord arrière (32) d'une feuille (30) à reprendre et/ou un repère d'alignement disposé sur la feuille (30) et qui transmet au dispositif de commande (20) un signal correspondant (S1),
    en ce que l'ensemble (23) qui exerce une force de maintien comporte au moins un ensemble d'électrodes (24) qui présente au moins une électrode stationnaire disposée à distance (d) du corps rotatif (14) et radialement à l'extérieur de la surface extérieure (16) du corps rotatif (14) ainsi qu'une source de tension (25) reliée à l'ensemble d'électrodes et à l'aide de laquelle une feuille (30) qui arrive est chargée électrostatiquement pour exercer la force de maintien qui fixe la pile (34, 35) de feuilles sur le corps rotatif (14) et
    en ce que le dispositif de commande (20) qui saisit en continu la position de rotation du corps rotatif (14) détermine
    une position de rotation de consigne SOLL du corps rotatif (14) en fonction d'un premier signal (S1) du dispositif de détection (28), relatif à une première feuille qui arrive, et d'un deuxième signal (S2) qui correspond à la position de rotation du corps rotatif (14) à cet instant,
    une grandeur de correction (K) en fonction d'un troisième signal (S1) du dispositif de détection (28), relatif à une autre feuille (30) qui arrive, du deuxième signal (S2) détecté simultanément et de la position de rotation de consigne SOLL déterminée précédemment et
    à l'aide de cette grandeur de correction (K), agit sur l'entraînement (18) du corps rotatif (14) et/ou sur le dispositif d'amenée (12) de telle sorte que le corps rotatif (14) prenne la position de rotation de consigne SOLL lors de la réception de l'autre feuille (30).
  2. Ensemble de collecte selon la revendication 1, caractérisé en ce que le corps rotatif (14) présente une surface extérieure (16) fermée ou en forme d'enveloppe cylindrique interrompue sans éléments qui en débordent radialement vers l'extérieur.
  3. Ensemble de collecte selon la revendication 1, caractérisé en ce que le corps rotatif (14) joue le rôle d'une contre-électrode, au moins la surface extérieur (16) du corps rotatif (14) étant de préférence électriquement conducteur et le corps rotatif (14) étant de préférence raccordé à la masse.
  4. Ensemble de collecte selon la revendication 3, caractérisé en ce que l'intensité du champ électrique à la surface extérieure (16) du corps rotatif (14) au niveau de l'ensemble (24) d'électrodes est d'au moins 0,6 V/m et est de préférence située entre 0,6 et 7,0 kV/m.
  5. Procédé de conduite d'un ensemble de collecte selon l'une des revendications 1 à 4,
    caractérisé en ce que
    l'ensemble (23) qui exerce une force de maintien est utilisé en continu,
    en ce que le corps rotatif (14) et le dispositif d'amenée (12) sont utilisés en continu et
    en ce que le dispositif de commande (20) commande l'entraînement (18) du corps rotatif (14) et le dispositif d'amenée (12) en accord mutuel de telle sorte qu'une feuille (30) qui arrive soit fixée à chant ou à une distance prédéterminée par rapport à des feuilles (30) déjà fixées.
  6. Procédé selon la revendication 5, caractérisé en ce que le dispositif d'amenée (12) est entraîné à une vitesse prédéterminée (vz) et le corps rotatif (14) à une vitesse (vu) adaptée mais variable à l'intérieur de certaines limites.
EP06009925A 2006-05-15 2006-05-15 Dispositif assembleur Active EP1857390B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP06009925A EP1857390B1 (fr) 2006-05-15 2006-05-15 Dispositif assembleur
US11/798,464 US7618040B2 (en) 2006-05-15 2007-05-14 Gathering device
JP2007128523A JP5107607B2 (ja) 2006-05-15 2007-05-14 集積装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP06009925A EP1857390B1 (fr) 2006-05-15 2006-05-15 Dispositif assembleur

Publications (2)

Publication Number Publication Date
EP1857390A1 EP1857390A1 (fr) 2007-11-21
EP1857390B1 true EP1857390B1 (fr) 2013-02-27

Family

ID=37076027

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06009925A Active EP1857390B1 (fr) 2006-05-15 2006-05-15 Dispositif assembleur

Country Status (3)

Country Link
US (1) US7618040B2 (fr)
EP (1) EP1857390B1 (fr)
JP (1) JP5107607B2 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8195082B1 (en) 2005-02-15 2012-06-05 Tuscarora Designs, Inc Collator system and method for copy machines
CN102057406B (zh) * 2008-06-04 2013-06-19 光荣株式会社 纸张处理装置和纸张处理装置的控制方法
EP2502862B1 (fr) 2011-03-24 2016-08-24 Hunkeler AG Procédé et dispositif de traitement de feuilles de différents formats
JP5602319B1 (ja) * 2014-01-24 2014-10-08 株式会社東京機械製作所 枚葉状シート重ね合わせ機構、折機、印刷機及び枚葉状シート重ね合わせ方法

Family Cites Families (15)

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Publication number Priority date Publication date Assignee Title
DE620892C (de) 1932-11-13 1935-11-07 Wilhelm Drehsen Sammelzylinder
DE763627C (de) 1942-05-05 1950-10-05 Goebel A G Bogensammelvorrichtung an Rollenrunddruckmaschinen
US3172657A (en) * 1962-12-13 1965-03-09 Harris Intertype Corp Electrostatic sheet hold-down
FR2049484A5 (fr) * 1969-06-11 1971-03-26 Safaa
US3851962A (en) * 1973-08-29 1974-12-03 Savin Business Machines Corp Electrostatic hold down apparatus
DE2840915A1 (de) 1978-09-20 1980-03-27 Windmoeller & Hoelscher Vorrichtung zum bilden von stapeln aus flachen werkstuecken aus kunststoffolie mit einer elektrostatisch aufgeladenen stapeltrommel
GB2209518B (en) * 1987-09-10 1991-09-04 Ncr Co Sheet handling apparatus.
US5121170A (en) * 1989-05-12 1992-06-09 Ricoh Company, Ltd. Device for transporting sheet members using an alternating voltage
US5735516A (en) * 1992-05-27 1998-04-07 Mars Incorporated Apparatus for handling sheets
DE10033838A1 (de) * 2000-07-12 2002-01-24 Roland Man Druckmasch Einrichtung zur Bogenführung
US6595515B2 (en) * 2000-08-11 2003-07-22 Canon Kabushiki Kaisha Sheet conveying device with increased electric voltage
US6454255B1 (en) * 2000-12-19 2002-09-24 Pitney Bowes Inc. Recirculating gripper accumulator having a circular paper path
EP1464603A1 (fr) * 2003-04-03 2004-10-06 Océ-Technologies B.V. Système de traitement de feuilles et méthode pour contrôler un tel système
ATE404484T1 (de) * 2003-04-22 2008-08-15 Hunkeler Ag Sammelvorrichtung und verfahren zu deren betrieb
JP4522205B2 (ja) * 2004-09-15 2010-08-11 キヤノン株式会社 シート処理装置及びこれを備えた画像形成装置

Also Published As

Publication number Publication date
JP2007308306A (ja) 2007-11-29
JP5107607B2 (ja) 2012-12-26
US20080048381A1 (en) 2008-02-28
EP1857390A1 (fr) 2007-11-21
US7618040B2 (en) 2009-11-17

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