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EP0827931B1 - Dispositif et méthode pour le guidage dynamique d'objets plats - Google Patents

Dispositif et méthode pour le guidage dynamique d'objets plats Download PDF

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Publication number
EP0827931B1
EP0827931B1 EP97112616A EP97112616A EP0827931B1 EP 0827931 B1 EP0827931 B1 EP 0827931B1 EP 97112616 A EP97112616 A EP 97112616A EP 97112616 A EP97112616 A EP 97112616A EP 0827931 B1 EP0827931 B1 EP 0827931B1
Authority
EP
European Patent Office
Prior art keywords
conveyor
conveying
cutting
elements
web
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.)
Expired - Lifetime
Application number
EP97112616A
Other languages
German (de)
English (en)
Other versions
EP0827931A3 (fr
EP0827931A2 (fr
Inventor
Kevin Lauren Cote
Richard Daniel Curley
James Richard Belanger
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.)
Heidelberger Druckmaschinen AG
Original Assignee
Heidelberger Druckmaschinen 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 Heidelberger Druckmaschinen AG filed Critical Heidelberger Druckmaschinen AG
Publication of EP0827931A2 publication Critical patent/EP0827931A2/fr
Publication of EP0827931A3 publication Critical patent/EP0827931A3/fr
Application granted granted Critical
Publication of EP0827931B1 publication Critical patent/EP0827931B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B65H35/00—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers
    • B65H35/04—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers from or with transverse cutters or perforators
    • B65H35/08—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers from or with transverse cutters or perforators from or with revolving, e.g. cylinder, cutters or perforators
    • 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
    • B65H29/12—Delivering or advancing articles from machines; Advancing articles to or into piles by means of the nip between two, or between two sets of, moving tapes or bands or 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
    • B65H2701/00—Handled material; Storage means
    • B65H2701/10—Handled articles or webs
    • B65H2701/19—Specific article or web
    • B65H2701/1932—Signatures, folded printed matter, newspapers or parts thereof and books
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/202—With product handling means
    • Y10T83/2092—Means to move, guide, or permit free fall or flight of product
    • Y10T83/2192—Endless conveyor
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/202—With product handling means
    • Y10T83/2092—Means to move, guide, or permit free fall or flight of product
    • Y10T83/2192—Endless conveyor
    • Y10T83/2194—And means to remove product therefrom
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/647—With means to convey work relative to tool station
    • Y10T83/6584—Cut made parallel to direction of and during work movement
    • Y10T83/6592—Interrelated work-conveying and tool-moving means
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/647—With means to convey work relative to tool station
    • Y10T83/6584—Cut made parallel to direction of and during work movement
    • Y10T83/6633—By work moving flexible chain or conveyor

Definitions

  • the present invention relates to an apparatus and a method for dynamic Leading flat products such as flat products by cross cutting of be cut off from a continuous web of material.
  • Publication US 5,029,842 discloses a signature handling device that a first conveyor belt, the signatures successively to a removal station promoted. At the removal station, the signatures are turned on one by one Hand over the receiving conveyor. About the speed with which the signatures can move between the first conveyor belt and the receiving conveyor belt increase, the signatures have a wave formation consisting of stiffening one or more waves. Accordingly, the stiffening Signatures arranged at the removal station a wave forming device, the Signatures waves between the front and the extends the rear signature area. Although the wave formation of a signature is only temporary is, the wave forming device is so close to the receiving conveyor that a wave formation in the signature is retained during the front signature area moves towards the receiving conveyor. This means that the distance between the Wave forming device and the receiving conveyor belt is smaller than the distance between the front and back signature area.
  • DE 20 56 665 A relates to a transport device on rotating cross cutters.
  • a Transport device with rotating upper knife cylinder and rotating The bottom knife cylinder creates a cross-section when passing through a material web, wherein the material web is held by at least one conveyor belt, which window into which the knives can dip at the moment of cutting. It can both a lower band and an upper band interacting with it are provided his.
  • DE 41 20 629 A1 relates to a device for cross cutting webs.
  • this Device with a counter cylinder and one or more arranged on this Knife rollers and scrapers should reliably cut the sheets from Counter cylinders are discharged.
  • the wipers protrude into grooves in the counter cylinder and the cutting bars can be reversed in the area of the wipers.
  • Conveyor belt trains do not consistently work together Cutting cylinder.
  • the publication US 5,107,733 discloses a device for cutting and Transporting a paper web in a folder of a printing press.
  • the device comprises a pair of cutting cylinders to cut the web into web sections cut, and a transport device to remove the web sections from the cutting cylinder carry away.
  • the first cutting cylinder has at least one cutting rail
  • the second cutting cylinder is provided with at least one cutting knife attached to a gap formed between the cutting cylinders strikes the cutting rail, to cut the path passing through the gap. Both on the first and on A large number of strips are supported on the second cutting cylinder.
  • the lasts are positioned on the cutting cylinders so that - when the gap passes - everyone Give the newly formed front web area a temporary stiffening profile.
  • the front web area is provided with a stiffening profile to the front Supportive area, while this differs from that between the Cutting cylinders formed gap moved to the transport device.
  • the Last is also on both the first and the second cutting cylinder supported at least one smoothing surface each. The smoothing surfaces are so on positioned the cutting cylinders that the temporary when passing through the gap Remove the stiffening profile from the front web areas.
  • the signatures give way, especially in the case of pointless folders or specimens often along curved paths instead of a given straight one follow the path from the cutting cylinders to the conveyor belts. These deviations can lead to the fact that the distances between the supported signatures or Copies are different, resulting in a pointless folder Difficulties arise in the further processing of the signatures.
  • Another disadvantage of existing cutting cylinders is related to Belt conveyance the fact that the leading edges of the signatures stick out. This Accidental opening of a leading edge of the signature can lead to processing jams or Damage to the product such as Cause dog ears or the like.
  • Wave forming devices such as those disclosed in US 5,107,733 used. It is also proposed to use electrostatic staplers that seen upstream of the cutting cylinders to which during the Get control of problems that occur when signing. This However, solutions create new problems and do with a pointless folder the signature transfer area between cutting cylinders and conveyor belts into one very sensitive area.
  • Another object of the present invention is to use during transportation the conveyor belts have a relatively constant distance between those of the web of material separate signatures.
  • Another object of the present invention is to provide the leading edges of the Prevent signatures from opening during transport.
  • a Device for transporting signatures in a folder at least two cooperating cutting cylinders, each cutting cylinder having at least one Cutting knife or is provided with a cutting rail, and a conveying plane, the extends substantially vertically in operation, a first conveyor arrangement and a second conveyor arrangement, the cooperating cutting cylinders in the paths of Conveyor elements of the first conveyor arrangement are integrated and the second Conveyor arrangement one web of material in front of the two interacting Cutting cylinder performed cutting process detected.
  • Embodiments also refer to a method for transporting Signatures of a folder that gradually passes through a web of material transverse cutting plane by means of at least a first and a second Conveyor arrangement that conveys the material web both in an infeed area and detected in an outlet area of the transverse cutting plane and the detected Material web effectively feeds a finger-shaped guide seen downstream is arranged after the first and the second conveyor arrangement.
  • Embodiments according to the present invention enable bilateral Guide the web before signatures in the cutting gap from the leading edge of the Material web are separated. Since longitudinally folded signatures are recorded and held together, the opening of signature leading edges is reduced and / or completely switched off. In addition, due to the fact that one of the Cutting gap up to an inlet gap of the conveyor belts through the area Conveying arrangements is bridged, a deviation from signature leading edges prevented and a constant distance between the successive signatures maintained.
  • the conveyor elements either in any number in groups (e.g. in groups of two or three Conveyor elements) - each group of conveyor elements from the following Conveyor element group is spaced - or in groups with further individual conveyor elements on the paths of Conveying arrangements can be arranged.
  • the arrangement of the conveyor elements in groups of at least two or three Conveying elements has advantages in the lower area of the outlet gap Conveying plane.
  • the second and / or third support elements of each group practice one slip-free drive on the signatures, while this on the lower pair of tapes reach.
  • the ones arranged either in groups and optionally further individually Conveyor elements are via connecting elements that are part of every conveyor arrangement form a closed cycle, interconnected.
  • the conveyor elements can e.g. Be crossbars that extend across the width of the web, the Have cross bars spaced guide washers.
  • the pair of cutting cylinders has Segments with a reduced radius, which allows the conveyor elements to pass through, the cutting cylinders being integrated in the paths of the conveyor elements.
  • the segments with a reduced radius make an arcuate recess on the cylinders before cross cutting the material web in a cutting plane that is transverse to Conveyor plane runs, the material is gripped by the conveyor elements on both sides.
  • a straight movement (e.g. a straight vertical downward movement) can execute.
  • a material web 1 e.g. a strand, by means of press rolls 3 over a Funnel 2 pulled in the longitudinal direction.
  • the longitudinally folded material web 1 then passes one first pair of pull rollers 4 and a second pair of pull rollers 5.
  • the pair of pull rollers 5 passes through the material web 1 through a pair of cutting cylinders 6 and one Knife cylinder 10 and a counter cylinder 11 (e.g. made of rubber), the Knife cylinder at least one cutting knife 12 and the counter cylinder at least one Have cutting rail 13.
  • the signatures are separated from the material web 1 by the cutting cylinders, wherein the cutting cylinder in a cutting plane that is transverse to a conveying plane runs, perform a transverse cutting process.
  • the material web 1 is on both sides of Conveying elements 18, 19 of a first (e.g. arranged on the left) conveyor arrangement 17 and a second conveyor arrangement 16 (e.g. located on the right).
  • the conveyor elements 18, 19 in groups with a first, a second and a third conveyor element arranged.
  • the Reference numbers 18.1, 18.2 and 18.3 a group of conveyor elements of the left Conveyor arrangement 17, while the corresponding first, second and third conveyor element 19.1, 19.2 and 19.3 belong to the right funding arrangement 16.
  • the conveyor element groups 18, 19 are spaced apart from one another, as indicated by arrow 22 in Fig. 1.
  • the conveyor elements 18, 19 are over Connecting elements 20 connected to each other.
  • the material web 1 is from the conveyor element groups 18, 19 above the Cutting cylinder pair 6 detected.
  • the conveyor element groups 18, 19 pass between the knife cylinder 10 and the counter cylinder 11 by immersing them in segments of these cylinders, which in have a reduced radius with respect to other cylinder segments.
  • the arcuate first and second recesses 8, 9 in each of the two Cylinders 6 are provided, allow the conveying elements 18, 19 to grip the Material web 1 in the input area arranged in front of the gap 7 and a separate one Signature 25 in an output area downstream of the gap 7 after the signature has been separated from the material web 1.
  • a reliable management of the separated signatures 25 still guaranteed.
  • FIG. 2 is an enlarged view of the cutting cylinders, with the cutting cylinder pair 6 is integrated into the path of the conveyor element groups 18 and 19.
  • the Conveyor element groups 18, 19 capture the material web 1 in front of the pair of cutting cylinders 6. Dive to stay in close contact with the web of material 1 being conveyed the conveyor element groups 18, 19 and / or the individual conveyor elements 18, 19 in the first and second arcuate recess 8, 9 on each cylinder of the Cutting cylinder pair 6 is provided, after interacting knife 12 and Cutting rails 13 have a signature separated from the material web 1.
  • the Arc length of the first and the second recess 8, 9 in Fig. 2 by the Reference numeral 21 indicated.
  • the recesses 8, 9 i.e. the segments with reduced Radius
  • a lower portion of the conveyor assembly 16, 17 (e.g., the Outlet gap) two finger-shaped guides or guide elements 23, 24.
  • each Signature 25 which is conveyed in the conveyor plane 15, is at its front edge by the Conveyor element groups 18.1, 18.2, 18.3 and 19.1, 19.2, 19.3 are recorded.
  • the Conveyor element groups 18, 19 lead the signature leading edge in the between the finger-shaped guide element pair 23, 24 formed a gap.
  • the previous signature 25 is guided by the left or right conveyor belt. If the conveyor elements 18.1, 18.2, 18.3 and 19.1, 19.2, 19.3 are moved further, the tendency is each of the first conveyor elements 18.1 and 19.1 to the respective path of the Conveyor arrangement 16, 17 to follow.
  • the second and third conveyor elements 18.2, 18.3 and 19.2, 19.3 exert a slip-free drive on a signature 25 in order to insert it into the to direct gap formed between the finger-shaped elements 23, 24. Because the distance between the clamping point of the third conveyor elements 18.3 and 19.3 and the slip-free drive of the lower belts 26, 27 is smaller than the signature 25 long a slip-free drive of the separated signature 25 in the transfer area maintained.
  • the signatures 25 are transported to further processing stations by the turn lower belts 26, 27 about rollers 28.
  • the tips of the finger-shaped elements 23, 24 in the between the guide discs of the Conveying elements 18, 19 formed spaces, as in Fig. 4 in more detail is illustrated.
  • Fig. 4 shows conveying elements 18, 19 which are attached as cross bars 31 and spaced apart guide discs 30 are formed.
  • the finger-shaped Guides extend into the between the guide washers and the crossbar-like Gaps formed into elements. Enough in this perspective view the tips of the finger-shaped guide elements 23, 24 in between the Guide disks 30 formed spaces 30.1.
  • the guide discs 30 are arranged so that they are spaced from each other and inserting the tips of the Guide elements 23, 24 between the elements of the conveyor element groups 18, 19 enable.
  • After inserting a signature leading edge in the between the finger-shaped guide elements 23, 24 formed gap direct the second and third Conveying elements 18.2, 18.3 and 19.2, 19.3 the signature 25 by making them reliable lead, completely in the gap formed between the finger-shaped elements 23, 24. Consequently the finger-shaped guide elements 23, 24 already take over the management of the signature, before the conveyor elements 18.3, 19.3 release the signature 25.
  • the guide disks 30 can e.g. made of rubber or a synthetic material exist, which creates a frictional force, which is also on the front edge of one on both sides recorded signature is transmitted.
  • any material can be used that provides the desired frictional contact.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Separation, Sorting, Adjustment, Or Bending Of Sheets To Be Conveyed (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
  • Collation Of Sheets And Webs (AREA)

Claims (15)

  1. Dispositif pour le transport d'exemplaires dans un appareil de pliage, avec au moins une paire de cylindres de découpage (6) coopérant, chaque cylindre de découpage (6) présentant au moins une lame de découpage (12) et une glissière de découpage (13) et un plan de transport (15) s'étendant sensiblement verticalement pendant le fonctionnement,
    caractérisé par
    un premier dispositif de transport (17) et un deuxième dispositif de transport (16), les cylindres de découpage (6) coopérant étant intégrés dans le chemin des éléments de transport (18, 19), qui sont disposés en au moins un groupe, du premier et du deuxième dispositif de transport (17, 16), pour saisir une bande de matériau (1) avant et après un processus de découpage effectué au moyen des cylindres de découpage (6) qui coopèrent.
  2. Dispositif selon la revendication 1, caractérisé en ce que chaque groupe présente au moins un premier élément de transport (18.1, 19.1), un deuxième élément de transport (18.2, 19.2) et un troisième élément de transport (18.3, 19.3), et les premier, deuxième et troisième éléments de transport de chaque groupe se trouvent sur les chemins d'un des dispositifs de transport (17, 16).
  3. Dispositif selon la revendication 1, caractérisé en ce que d'autres éléments de transport, réalisés sous la forme d'élément de transport (18, 19) individuels, sont disposés sur des chemins du premier et du deuxième dispositif de transport (17, 16).
  4. Dispositif selon la revendication 1, caractérisé en ce que les éléments de transport (18.1, 18.2, 18.3) du premier dispositif de transport (17) sont espacés les uns des autres, le long du chemin du premier dispositif de transport (17), et en ce que les éléments de transport (19.1, 19.2, 19.3) du deuxième dispositif de transport (16) sont disposés à distance les uns des autres, le long du chemin du deuxième dispositif de transport (16).
  5. Dispositif selon la revendication 1, caractérisé en ce que le premier et le deuxième dispositif de transport (17, 16) sont associés au plan de transport (15) s'étendant sensiblement verticalement.
  6. Dispositif selon la revendication 1, caractérisé en ce que les éléments de transport (18.1, 18.2, 18.3; 19.1, 19.2, 19.3), à l'intérieur du premier et du deuxième dispositifs de transport (17, 16) respectifs, sont reliés ensemble par des éléments de liaison (20) qui forment chaque fois une boucle fermée dans le premier et le deuxième dispositif de transport (17, 16) respectifs.
  7. , Dispositif selon la revendication 1, caractérisé en ce que les éléments de transport (18,1, 18.2, 18.3; 19.1, 19.2, 19.3) sont des barres perpendiculaires transversales, sur lesquelles sont montés des disques de guidage (30).
  8. Dispositif selon la revendication 1, caractérisé en ce que chacun des cylindres de découpage (6) présente des segments, qui ont un rayon réduit par rapport à d'autres segments de cylindre de découpage, et en ce que les éléments de transport (18, 19), dans la zone entre les cylindres de découpage (6) qui coopèrent, se déplacent à travers ces segments.
  9. Dispositif selon la revendication 8, caractérisé en ce que les segments d'un diamètre réduit, qui se trouvent sur chacun des cylindres de découpage (6) qui coopèrent, présentent un premier et un deuxième évidement à forme arquée.
  10. Dispositif selon la revendication 1, caractérisé en ce que les éléments de transport (18.1, 18.2, 18.3; 19.1, 19.2, 19.3) du premier et du deuxième dispositif de transport (17, 16) sont construits, quant à leur fonctionnement, de manière qu'ils tournent à la vitesse à laquelle la bande de matériau est transportée et qu'ils saisissent la bande de matériau sur ses deux côtés.
  11. Dispositif selon la revendication 7, caractérisé en ce que les éléments de transport (18, 19) présentent des espaces intermédiaires (30.1) entre les disques de guidage (30).
  12. Dispositif selon la revendication 1, caractérisé en ce qu'un premier et un deuxième élément de guidage (23, 24) en forme de doigt sont associés à un intervalle de sortie du premier et du deuxième dispositif de transport (17, 16).
  13. Dispositif selon la revendication 2, caractérisé en ce que le deuxième et le troisième élément de transport (18.1, 18.3; 19.2, 19.3) de chaque groupe d'élément de transport (18.1, 18.2, 18.3; 19.1, 19.2, 19.3), déplacent dans des bandes de transport inférieures, une signature (25) ayant été détachée de la bande de matériau (1) par découpage.
  14. Dispositif de transport du bord avant d'une bande de matériau, présentant les caractéristiques suivantes :
    un plan de transport (15) sur lequel la bande de matériau (1) est transportée;
    au moins une paire de cylindres de découpage (6) qui coopèrent, chaque cylindre de découpage présentant au moins une lame de découpage (12) et/ou une glissière de découpage (13), et les cylindres de découpage (6) produisant un plan de découpage transversalement par rapport au plan de transport (15); et
    un premier et un deuxième dispositifs de transport (17, 16), les cylindres de découpage (6) qui coopèrent étant intégrés dans les chemins des éléments de transport (18, 19), qui sont disposés en au moins un groupe, du premier et du deuxième dispositifs de transport (17, 16), pour saisir la bande de matériau (1) avant qu'un processus de découpage soit effectué par les cylindres de découpage (6).
  15. Procédé de transport de signatures dans un appareil de pliage, qui comprend les étapes suivantes :
    le transport de la bande de matériau dans un plan de découpage orienté transversalement, à l'aide d'au moins un premier et un deuxième dispositifs de transport, qui présentent des éléments de transport, qui sont disposés en au moins un groupe ou bien en combinaison de groupes et d'éléments de transport individuels et qui saisissent la bande de matériau dans une zone d'introduction et dans une zone de sortie du plan de découpage orienté transversalement; et
    le déplacement de la bande de matériau saisi entre les deux éléments d'un guidage (23, 24), du genre d'un doigt, qui se trouve en aval du premier et du deuxième dispositifs de transport (17, 16).
EP97112616A 1996-09-04 1997-07-23 Dispositif et méthode pour le guidage dynamique d'objets plats Expired - Lifetime EP0827931B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/707,516 US5865082A (en) 1996-09-04 1996-09-04 Apparatus for transporting signatures
US707516 1996-09-04

Publications (3)

Publication Number Publication Date
EP0827931A2 EP0827931A2 (fr) 1998-03-11
EP0827931A3 EP0827931A3 (fr) 1999-01-07
EP0827931B1 true EP0827931B1 (fr) 2002-11-20

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP97112616A Expired - Lifetime EP0827931B1 (fr) 1996-09-04 1997-07-23 Dispositif et méthode pour le guidage dynamique d'objets plats

Country Status (4)

Country Link
US (2) US5865082A (fr)
EP (1) EP0827931B1 (fr)
JP (1) JPH1087162A (fr)
DE (2) DE19731364A1 (fr)

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Publication number Publication date
US6170371B1 (en) 2001-01-09
US5865082A (en) 1999-02-02
DE59708760D1 (de) 2003-01-02
EP0827931A3 (fr) 1999-01-07
DE19731364A1 (de) 1998-03-05
JPH1087162A (ja) 1998-04-07
EP0827931A2 (fr) 1998-03-11

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