EP1666250B1 - Procédé pour traiter une feuille lenticulaire - Google Patents

Procédé pour traiter une feuille lenticulaire Download PDF

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Publication number
EP1666250B1
EP1666250B1 EP05024496A EP05024496A EP1666250B1 EP 1666250 B1 EP1666250 B1 EP 1666250B1 EP 05024496 A EP05024496 A EP 05024496A EP 05024496 A EP05024496 A EP 05024496A EP 1666250 B1 EP1666250 B1 EP 1666250B1
Authority
EP
European Patent Office
Prior art keywords
sheet
front edge
control device
evaluating
contact line
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 - Fee Related
Application number
EP05024496A
Other languages
German (de)
English (en)
Other versions
EP1666250A1 (fr
Inventor
Gerd Stettner
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.)
Koenig and Bauer AG
Original Assignee
Koenig and Bauer 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 Koenig and Bauer AG filed Critical Koenig and Bauer AG
Publication of EP1666250A1 publication Critical patent/EP1666250A1/fr
Application granted granted Critical
Publication of EP1666250B1 publication Critical patent/EP1666250B1/fr
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F21/00—Devices for conveying sheets through printing apparatus or machines
    • B41F21/10—Combinations of transfer drums and grippers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F13/00—Common details of rotary presses or machines
    • B41F13/08—Cylinders
    • B41F13/10—Forme cylinders
    • B41F13/12—Registering devices
    • B41F13/14—Registering devices with means for displacing the cylinders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F21/00—Devices for conveying sheets through printing apparatus or machines
    • B41F21/04—Grippers
    • B41F21/05—In-feed grippers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
    • B41P2213/00—Arrangements for actuating or driving printing presses; Auxiliary devices or processes
    • B41P2213/90—Register control
    • B41P2213/91—Register control for sheet printing presses

Definitions

  • the invention relates to a method for processing lenticular sheet in sheet-fed printing machines, wherein the lenticular sheet has juxtaposed lens strips which extend transversely to the sheet running direction and the sheets of lenticular sheet are aligned in the sheet running direction and transverse to the sheet running direction.
  • Lenticular sheet also referred to as a lenticular sheet
  • a lenticular sheet is a clear transparent sheet having a plurality of side-by-side cambers on the front side. The bulges are parallel to each other and act as optical lenses.
  • These films are used in the manufacture of lenticular products, such as. B. in the realization of image sequences or three-dimensional image impressions.
  • the back of the lenticular sheet is printed with a subject and then applied opaque white or cardboard laminated.
  • each stripe sequence of all images to be merged is exactly as wide as a line stripe and must be printed just below. Only then, depending on the selected viewing angle, the desired image effect, d. H. the visualization of image sequences or the three-dimensional image impression. If the strip sequences are not printed exactly under the lens strips, the product is unusable.
  • the sheets of lenticular sheet for processing so that the lens structures are transverse to the sheet running direction and thus parallel to the sheet leading edge, are this aligned with the leading edge after the front edge and subsequently to the side edge and then transported in the gripper closure by the sheet-processing machine. Since the leading edge of the sheets of lenticular film is not necessarily always exactly to the lens structure of the lenticular film, poor quality or unusable products can not be excluded. In addition, it is necessary to assign the stripe sequences exactly to the lens strips by manual manipulations, which also adversely affects the productivity of the overall machine.
  • the object of the invention is to develop a method by which it is ensured that the strip sequences are assigned exactly to the lens strips of the lenticular sheet running parallel to the leading edge.
  • Fig. 1 the section of an existing lenticular sheet 1 is shown with a view of the back 2. From the sheet 1, a front edge 3 and a side edge 4 are shown. The sheet 1 has transverse to the sheet running direction 5 extending lens strips 6. Two juxtaposed lens strips 6 form a contact line 7. In the sectional view of FIG. 2 it is shown that each lens strip 6 is associated with a respective first image strip 8, a second image strip 9 and a third image strip 10. The image strips 8, 9, 10 represent a strip sequence 11 which exactly matches the individual lens strips 6 must be assigned. In Fig. 2 it is shown that the front edge 3 is not identical to a contact line 7.
  • a sheet system with a feed table 12, a sheet accelerator 14, which is designed as a vibration system 15, and a drum 17 is shown.
  • Anlegmarken 13 are shown, which can be brought from its working position in a location below the feed table 12 locking position.
  • the oscillating system 15 is equipped with a sheet holding system 16 and the drum 17 is provided with a gripper system 18.
  • the drum 17 close to printing units 19, wherein the drum 17 is arranged directly downstream of a first printing unit 19.1, which can be followed by further printing units 19.
  • Fig. 3 is still an n-th printing unit 19.n shown.
  • the first printing unit 19.1 consists of a first printing cylinder 20.1, which is associated with a first offset cylinder 21.1, which is in operative connection with a first plate cylinder 22.1.
  • the nth printing unit 19.n has an nth printing cylinder 20.n with an nth offset cylinder 21.n and an nth plate cylinder 22.n.
  • the printing units 19 are connected by transfer drums 23.
  • the first plate cylinder 22.1 is associated with a first circumferential register control device 24.1 and the nth plate cylinder 22.n with an nth peripheral register control device 24.n.
  • the circumferential register control means 24.1 to 24.n may be formed as per se known devices which are independently operable.
  • the circumferential register control devices 24.1 to 24 n can also be designed so that at least the plate cylinders 22.1 to 22.n each have a single drive is assigned. The individual drive can then be influenced in such a way that they circulate before or after, whereby the circumferential register is changed.
  • the feed table 12 On the feed table 12 a held by the gripper system 18 and a with the front edge 3 to the Anlegmarken 13 fitting sheet 1 are shown.
  • the feed table 12 has transversely to the sheet running direction 5 arranged channels 25 in which side pull marks 26 are mounted, which have a side stop 27 (Fig. 4).
  • a measuring unit 28 In the sheet running direction 5 extends in the feed table 12, a measuring unit 28.
  • the measuring unit 28 is provided in the feed table 12, that the leading edge region of the voltage applied to the Anlegmarken 13 sheet 1 can be detected.
  • the measuring unit 28 is formed in the embodiment as an optoelectronic measuring unit. However, any other measuring principle can also be used.
  • the measuring unit 28 is arranged in a direction extending in sheet running direction 5 in the feed table 12 recess.
  • the recess is closed with a transparent cover strip 29, so that the surface of the feed table 12 and the cover strip 29 form a common plane.
  • the measuring unit 28 is connected to an evaluation and control device 30, can be entered in the target values and stored there.
  • the evaluation and control device 30 communicates with the circulation register control devices 24.1 to 24.n and with a machine control 31 in connection.
  • the lenticular sheet consisting of sheets 1 are transported by a belt table, not shown on the feed table 12 and with the front edge 3 against the position in the working position at the feed table 12 positioning marks 13 and thus aligned with the front edge 3.
  • the retired sheet 1 is detected by the side puller 26, guided against the side stop 27 and aligned with the side edge 4.
  • From the aligned sheet 1 is detected by the measuring unit 28, the leading edge position.
  • the position of the leading edge 3 and the position of the adjacent lines of contact 7 are generated by the measuring unit 28 and signals are fed to the evaluation and control device 30.
  • the signal generated by the front edge 3 in the measuring unit 28 is blanked out.
  • Target value fixed touch line 7 the individual stripe sequences 11 to reach the lens strips 6. Since the setting / correction value of the sheet 1 located on the feed table 12 has been determined, must be taken into account during transport through each of the printing units 19.1 to 19.n, the individual circumferential register control means 24.1 to 24.n are synchronized with the passage of a measured Sheet 1 with the respective associated setting / correction value driven. This is realized by the evaluation and control device 30, taking into account the machine speed or printing speed converted by the machine control 31.

Claims (9)

  1. Procédé de traitement de films lenticulaires dans des machines d'impression feuille à feuille, selon lequel le film lenticulaire comporte des lentilles en forme de bandes, juxtaposées, dirigées transversalement à la direction de défilement de feuilles et les feuilles en film lenticulaire sont alignées dans la direction de circulation des feuilles et transversalement à cette direction,
    caractérisé en ce que
    pour déterminer la position réelle d'une feuille alignée suivant son arête avant (3), on saisit la position d'une ligne de contact (7) formée chaque fois entre deux lentilles en forme de bandes (6), voisines, et on la compare dans une installation d'exploitation et de commande (30) à une position de consigne et en cas de position réelle différente de la position de consigne, on génère une valeur de réglage pour réaliser un mouvement en avance ou en retard des cylindres porte-plaque (22.1-22.n) donnant la position de consigne, d'un système de pinces (18) porté par un tambour (17) ou d'un système de maintien de feuille (16) d'une installation d'accélération de feuilles (14).
  2. Procédé selon la revendication 1,
    caractérisé en ce qu'
    à chaque cylindre porte-plaque (22.1-22.n) est associée une installation de commande de registre périphérique (24.1-24.n) commandée en synchronisme avec le passage des feuilles (1) et des valeurs de réglage chaque fois correspondantes de l'installation d'exploitation et de commande (30).
  3. Procédé selon la revendication 1,
    caractérisé en ce qu'
    une unité de réglage est associée au système de pinces (18) qui reçoit les valeurs de réglage.
  4. Procédé selon la revendication 1,
    caractérisé en ce qu'
    une unité de réglage recevant les valeurs de réglage est associée au système de maintien de feuille (16).
  5. Procédé selon la revendication 1,
    caractérisé par
    une unité de mesure (28) pour saisir la zone d'arête avant de la feuille (1) alignée suivant l'arête avant (3), cette unité de mesure générant des impulsions caractérisant la position de l'arête avant (3) et celle des lignes de contact (7) et fournissant ces impulsions à l'installation d'exploitation et de commande (30).
  6. Procédé selon la revendication 5,
    caractérisé en ce que
    l'installation d'exploitation et de commande (30) filtre les impulsions caractérisant la position de l'arête avant (3) et celle des lignes de contact (7) jusqu'à une impulsion caractérisant une ligne de contact prédéfinie (7).
  7. Procédé selon la revendication 6,
    caractérisé en ce que
    l'impulsion caractérisant la position de la ligne de contact prédéfinie (7) est utilisée pour une comparaison entre valeur réelle et valeur de consigne.
  8. Procédé selon la revendication 6,
    caractérisé en ce que
    comme ligne de contact prédéfinie (7) on sélectionne la ligne de contact (7) la plus directement voisine de l'arête avant (3).
  9. Procédé selon la revendication 1,
    caractérisé en ce qu'
    on relie l'unité d'exploitation et de commande (30) à une commande de machine (31) pour recevoir les grandeurs de commande caractérisant la vitesse de rotation de la machine ou la vitesse d'impression.
EP05024496A 2004-12-01 2005-11-10 Procédé pour traiter une feuille lenticulaire Expired - Fee Related EP1666250B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102004057844A DE102004057844A1 (de) 2004-12-01 2004-12-01 Verfahren zum Verarbeiten von Lentikularfolie

Publications (2)

Publication Number Publication Date
EP1666250A1 EP1666250A1 (fr) 2006-06-07
EP1666250B1 true EP1666250B1 (fr) 2007-05-09

Family

ID=35810266

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05024496A Expired - Fee Related EP1666250B1 (fr) 2004-12-01 2005-11-10 Procédé pour traiter une feuille lenticulaire

Country Status (3)

Country Link
US (1) US7464646B2 (fr)
EP (1) EP1666250B1 (fr)
DE (2) DE102004057844A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2724865A3 (fr) * 2012-10-29 2018-01-17 Komori Corporation Presse et procédé d'impression d'une feuille lenticulaire
EP3408099B1 (fr) 2016-01-28 2021-11-17 Tracer Imaging Llc Alignement de produit utilisant un relief imprimé

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3609090A1 (de) * 1986-03-18 1987-09-24 Gao Ges Automation Org Wertpapier mit darin eingelagertem sicherheitsfaden und verfahren zur herstellung derselben
GB2271903A (en) * 1992-10-23 1994-04-27 Sharp Kk Method of and apparatus for making a 3D print
DE4406740B4 (de) * 1994-03-02 2005-01-27 Heidelberger Druckmaschinen Ag Vorrichtung zur Passerkorrektur in einer Bogendruckmaschine
US5424553A (en) * 1994-05-16 1995-06-13 Eastman Kodak Company Method for aligning a lenticular material for printing
JP3471930B2 (ja) * 1994-11-10 2003-12-02 キヤノン株式会社 インクジェット記録装置
JP3352879B2 (ja) * 1995-11-10 2002-12-03 松下電器産業株式会社 画像記録装置、画像データ記録方法およびレンチキュラーシート
CH691225A8 (fr) * 1996-02-09 2001-08-15 Bobst Sa Machine d'impression rotative.
US5959718A (en) * 1997-03-31 1999-09-28 Eastman Kodak Company Alignment and printing of integral images
US5974967A (en) * 1998-08-27 1999-11-02 Lenticulartechnologies, L.L.C. Registration system for lenticular printing
US5967032A (en) * 1998-05-21 1999-10-19 Lti Corporation Printing process using a thin sheet lenticular lens material
US6154247A (en) * 1998-12-30 2000-11-28 Eastman Kodak Company Skew correction in lenticular material printing
DE19917773A1 (de) * 1999-04-20 1999-11-04 Roland Pudimat Kontrollelement zum Bestimmen von Passerabweichungen eines auf einem Bedruckstoff aus mehreren Teilfarben bestehenden Druckbildes
US6268899B1 (en) * 1999-09-16 2001-07-31 Eastman Kodak Company Identification of lenticular material characteristics in lenticular printers
US6711433B1 (en) * 1999-09-30 2004-03-23 Siemens Corporate Research, Inc. Method for providing a virtual contrast agent for augmented angioscopy
WO2002045968A1 (fr) * 2000-12-08 2002-06-13 Orasee Corp. Procede et appareil d'impression directe sur une feuille lenticulaire
US6712536B2 (en) * 2001-10-09 2004-03-30 Alps Electric Co., Ltd. Printer
DE10205630A1 (de) * 2002-02-12 2003-08-14 Koenig & Bauer Ag Vorrichtung zum seitlichen Ausrichten von Bogen

Also Published As

Publication number Publication date
US7464646B2 (en) 2008-12-16
EP1666250A1 (fr) 2006-06-07
US20060169156A1 (en) 2006-08-03
DE102004057844A1 (de) 2006-06-08
DE502005000698D1 (de) 2007-06-21

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