EP1000759A2 - Dispositif d'impression d'une bande sans fin sans repère - Google Patents

Dispositif d'impression d'une bande sans fin sans repère Download PDF

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Publication number
EP1000759A2
EP1000759A2 EP99121278A EP99121278A EP1000759A2 EP 1000759 A2 EP1000759 A2 EP 1000759A2 EP 99121278 A EP99121278 A EP 99121278A EP 99121278 A EP99121278 A EP 99121278A EP 1000759 A2 EP1000759 A2 EP 1000759A2
Authority
EP
European Patent Office
Prior art keywords
continuous film
printing
length
printing device
film
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.)
Granted
Application number
EP99121278A
Other languages
German (de)
English (en)
Other versions
EP1000759A3 (fr
EP1000759B1 (fr
Inventor
Hans Mathea
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
CSAT Gesellschaft fuer Computer Systeme and Automalions Technik mbH
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 CSAT Gesellschaft fuer Computer Systeme and Automalions Technik mbH filed Critical CSAT Gesellschaft fuer Computer Systeme and Automalions Technik mbH
Publication of EP1000759A2 publication Critical patent/EP1000759A2/fr
Publication of EP1000759A3 publication Critical patent/EP1000759A3/fr
Application granted granted Critical
Publication of EP1000759B1 publication Critical patent/EP1000759B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J11/00—Devices or arrangements  of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
    • B41J11/36—Blanking or long feeds; Feeding to a particular line, e.g. by rotation of platen or feed roller
    • B41J11/42—Controlling printing material conveyance for accurate alignment of the printing material with the printhead; Print registering
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J15/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, specially adapted for supporting or handling copy material in continuous form, e.g. webs
    • B41J15/16—Means for tensioning or winding the web

Definitions

  • the invention relates to a device according to the preamble of claim 1 Printing a label-free continuous film with print images that are inside a section of a predetermined length are arranged by means of a printing device, through which the continuous film continuously, if necessary, also without Printing process is transported, the continuous film after printing thereby is divided into sections of the predetermined length that the continuous film one Transport element is supplied, which the continuous film each by the predetermined Transported further, the printed images in each case in relation to the Limits between two successive sections of the predetermined length must be precisely positioned on the continuous film and the printing device for performing a printing process comprising only a single printed image is activated each time by means of an output signal from a sensor when the Length of the continuous film between the last division made generated section boundary and the printing device a predetermined multiple of the second predetermined length, and an arrangement for buffering the continuous film is provided.
  • Such a device is known for example from DE 195 25 713 C1.
  • the known device is preferably used when so-called Blister packs that contain tablets, for example, are positioned precisely be provided with a printed image.
  • the tablets are regularly in pockets made of plastic or plastic Existing thermoformed paper, which is sealed with a cover film.
  • a cover film On There is a printed image on the cover film, which contains regular information about the tablets contains, such as data on the use of each tablet. It is therefore crucial that this information corresponds to the position the tablets or bags are applied to the cover film.
  • the Offset between the thermoforming film and the cover film should be minimal, respectively if possible, there should be no noticeable offset.
  • the cover film can already be done with high accuracy be applied to the thermoforming film. This is essentially because of this ensures that the beginning of a section of the film to be printed always is redefined. By constantly redefining the beginning of one a possibly existing error cannot add up. Because of the prevented accumulation, there are even relatively large deviations generally harmless, since the deviation in the case of a bleed does not Affects the beginning of the next section to be printed. The same a slip of the film has no effect.
  • the known device is particularly advantageous when the device printed sections are removed discontinuously. Because that's the printing device to carry out a printing process comprising only a single printed image activating signal is always generated by a sensor when a dancer roller is in a certain position. Due to the discontinuous Removing the printed film, the dancer roller performs a lifting movement, which causes the position of the dancer roller is constantly changing, which is why it Generation of a length-dependent signal is very suitable.
  • a ramp-shaped proximity sensor is arranged in the area of the dancer roller.
  • the proximity sensor is designed or arranged such that the distance between the dancer roller and the proximity sensor during the movement the dancer roller changes continuously over an active area. This gives the proximity sensor depending on the position of the dancer roller or the Distance of the dancer roller from the ramp of the sensor a corresponding signal out. This signal is used to control the speed of the printing device used.
  • the sensor output signal is averaged such that the control the drive of the printing device is made insensitive. This follows the Speed of the printing device is no longer directly the sensor output signal, however, the drive of the printing device is still relatively large Changes in speed. This adversely affects the operation of the known device.
  • a first transmitter which is advantageous a rotary encoder is arranged at the output of the buffer arrangement, by means of which the length of the path of further transport of the continuous film is recorded, wherein the average speed at which the continuous film is transported, detected and to adjust the speed at which the continuous film through the printing device is transported is used.
  • the first encoder at the output of the buffer arrangement can be very easily, for example, in a separate computer unit determine very precisely the average speed with that of the invention Device film is removed. Corresponds to the speed at which the Endless film is transported through the printing device, the determined average speed, exactly as much continuous film is fed into the buffer arrangement, as your average through the discontinuous removal of film from the device is removed. The length of the continuous film contained in the buffer arrangement therefore oscillates around a certain mean.
  • the constant speed at which the continuous film moves through the printing unit will have a very favorable effect on the image quality and positioning of the printed image.
  • the constant drive of the printing device also has an effect very advantageous on the reliability of the printing device. About that In addition, the constant drive of the printing device increases the service life the printing device.
  • the buffer arrangement has a dancer roller which is movably arranged in such a way that the position of the dancer roll depends on the length of the continuous film between the the section division last generated and the Pressure device depends, the sensor detects the position of the dancer roller.
  • the dancer roller is in a loop of the continuous film, which is through a Deflection of the continuous film around the dancer roller is generated.
  • the length is shortened the continuous film in the buffer assembly, the dancer roll is in the direction Loop opening moved. If the length of the continuous film increases, it moves the dancer roller away from the opening of the loop, causing the path of the continuous film is enlarged by the dancer roller.
  • the dancer roller on the one hand makes the buffer arrangement very simple realized, and on the other hand created an element by means of which very the length of the continuous film can be detected in the buffer arrangement in a simple manner can.
  • the sensor is advantageously an optical sensor and is arranged that it is in the middle of the lifting movement carried out by the dancer roller. In principle, the dancer roller oscillates in both directions with a constant amplitude past the sensor.
  • an offset roller is provided, by means of the length of the continuous film between that made by the last one Division generated section boundary and the printing device and thus the position of the dancer roller can be changed.
  • An embodiment of the invention has proven to be particularly advantageous in which a second encoder, which is an encoder in an advantageous manner, on Input of the buffer arrangement is arranged, by means of which the length of the path the further transport of the continuous film is detected, the transport speed the continuous film is determined and for constant control of the speed, with which the continuous film is transported through the printing device is used becomes.
  • the output signal of the second encoder corresponds to the actual value the speed at which the continuous film is transported through the printing device becomes. Does this actual value differ from that by the first encoder or a computer unit predetermined target value, the speed readjusted the printing device in a known manner.
  • the regulation of speed has a very beneficial effect on the image quality as well as the accuracy of the device according to the invention.
  • the second rotary encoder By means of the second rotary encoder it is also possible to measure the difference in length between the continuous film introduced into the buffer arrangement and that of the buffer arrangement to take the removed film.
  • a computing unit is useful for this provided by means of which the difference in the output signals of the Encoder is formed. This difference can advantageously be used for correction activation of the printing process can be used, as in another special embodiment of the invention is provided.
  • the single figure shows a schematic arrangement of an inventive Printing device.
  • an endless film to be printed becomes 1, which is unwound from a roll 8, passed through a printing device 2.
  • the continuous film 1 which is made regularly
  • Aluminum consists of one consisting of a dancer roller 6 and an offset roller 11 Buffer arrangement supplied.
  • a second deflection roller 17 is arranged at the entrance to the buffer arrangement.
  • the continuous film 1 is first left after leaving the printing device 2 the second deflection roller 17 deflected.
  • Loops behind the second deflection roller 17 the endless film 1 S-shaped, the dancer roller 6 and the offset roller 11.
  • the dancer roller 6 and the offset roller 11 are each in the bottom of loops, which are formed by the course of the continuous film 1.
  • the endless film 1 is deflected around the first deflection roller 15.
  • the removal device 10 is a conventional one Device which repeatedly picks up and through part of the film pulling a pendulum movement from the device according to the invention.
  • the separator 4 can be designed such that it cuts the continuous film 1.
  • the separating device 4 marks the beginning of a section to be printed fixed. The beginning of the section to be printed depends on the beginning of the print image generated by the printing device 2.
  • the dancer roller 6 and the offset roller 11 are arranged so that they are against each other can be moved to and from each other. While the offset roller 11 can be determined, the dancer roller 6 is freely movable.
  • the dancer roller 6 and the Offset roller 11 thus form the arrangement for buffering the continuous film 1 Adjusting the offset roller 11 can the length of the continuous film 1 between the separator and the printing device 2 can be set. This is required when the predetermined length L of the sections changes.
  • the first deflection roller 15 is connected to a first rotary encoder 5. At the exit of the first encoder 5, a signal appears which is proportional to that of the first Deflection roller 15 is performed rotary movement.
  • the second deflection roller 17 is connected to a second encoder 7. At the output of the second rotary encoder 7 a signal appears which is proportional to that of the second deflecting roller 17 performed rotary movement.
  • an optical sensor 3 is arranged such that the The signal occurring at its output 3a always makes a signal change, if the length of the continuous film 1 between the separator T and the printing device 2 corresponds to a predetermined multiple of the predetermined length L.
  • the device according to the invention becomes film 1 taken from a speed that is a multiple of the speed, with which the film 1 passes the printer 2. Since the device according to the invention more foil 1 is removed than is transported through the printer 2, shortens the length of the film 1 between the separator 4 and the printer 2. By shortening the length, the dancer roller 6 is moved upwards.
  • the dancer roller 6 has the position in which it is the sensor 3 faces and the sensor 3 via its output 3a a signal to the input 2a of the printer 2, the length of the film 1 between the separating device 4 and that corresponding to the beginning of a section to be printed Place the film 1, for example, ten times the length of one to be printed Section. Because the printer 2 has a signal to print at that very moment receives, the print image is exactly at the beginning of a section to be printed set. It is understood that if a route is considered depending on the printer type which, for example, corresponds to the part of the circumference of an image roller, between the description of the image roller and the impression of the Image roller is on the slide 1, this part by an appropriate offset compensation must be taken into account.
  • the output of the second encoder 7, the output of the first encoder 5 and the output 3a of the sensor 3 are connected to the computing unit 12, which on the one hand the mean value of the signal emitted by the first encoder 5 forms and on the other hand the difference between the output signals of the two Encoder 5, 7 forms.
  • a first output of the computing unit 12 has a delay element 13 connected.
  • the output of the delay element 13 is one Input 2a of the printing device 2 connected to activate the printing process.
  • the signal activating the printing process can be delayed so that the distance of the printed image to the beginning of one to be printed Section can be set.
  • a second output of the computing unit 12 is with a further input 2b Printing device 2, which is used to control the speed at which the continuous film 1 is transported by the printing device 2, is provided, connected. That from the control unit 12 to the further input 2b of the printing device 2
  • the signal emitted corresponds to the mean value of the emitted by the first encoder 5 Signal. This corresponds to the speed at which the continuous film 1 is transported by the printing device 2, exactly the average value of the speed, with which the removal device 10 of the device according to the invention Takes slide 1.
  • the signal emitted by the second encoder 7 is the actual value of the speed corresponds to the continuous film 1 being transported through the printing device 2, can the signal from the computing unit 12 for constant control of the speed the printing device 2 can be used.
  • the difference between the output signals of the two formed by the computing unit 12 5, 7 provides a measure of the length of those located in the buffer assembly Endless film 1. So that the lifting movement of the dancer roller 6 around the sensor 3 is the same size in both directions, the length must be in the buffer arrangement continuous film 1 located have a certain amount. Since it is very advantageous to the accuracy of the positioning of the print image on the continuous film 1 affects when the lifting movement of the dancer roller 6 around the sensor 3 in both Directions is the same, the computing unit 12 uses the other Input 2b of the printing unit 2 influences the signal so that the length of the continuous film 1 in the buffer arrangement is the predetermined amount corresponds.
  • the device according to the invention becomes discontinuous Continuous film 1 removed.
  • the encoder 5 therefore gives accordingly Impulse groups.
  • the pulse groups are fed to the computing unit 12, which forms an average of them.
  • the mean value is sent to the further input 2b of the printing device 2, whereby the transport speed of the printing unit 2 corresponds to the average speed at which the removal device 10 of the device according to the invention removes film 1.
  • the second encoder 7 sets a deviation from the predetermined speed the computing unit 12 increases this to the further connection 2b of the printing unit 2 emitted signal, so that the buffer arrangement again so much continuous film 1 is fed, as removed on average by the removal device 10 becomes.
  • the dancer roller leads 6 a lifting movement.
  • the sensor 3 is arranged so that it is in the middle of the lifting movement carried out by the dancer roller 6.
  • the respective distance of the dancer roller 6 at the point of reversal of its movement to Sensor 3 the same size.
  • the buffer arrangement fed more continuous film than is taken from it the center shifts, around which the dancer roller 6 swings down.
  • the sensor 3 is located therefore no longer in this center.
  • the computing unit 12 corrects for the change the signal delivered to the further input 2b of the printing unit 2 such that the original difference is restored, that is, the sensor 3 is again in the middle of the lifting movement performed by the dancer roller 6.
  • the signal change is in the computing unit 12, which sends a corresponding output signal to the Delay element 13 outputs.
  • the print image should not be corrected are, the arithmetic unit 12 and the delay element 13 conducts the signal without delay to the input 2a of the printing unit 2 which activates a printing process.
  • the sensor 3 used in the described embodiment also is an optical sensor
  • a so-called electronic could instead Scale can be used.
  • the computing unit 12 would have to then evaluate a certain length dimension given by the scale.
  • Means of an electronic scale could advantageously be a mechanical one Avoid adjustment of sensor 3, as the adjustment can be made by changing the Scale of the length dimension or the calculation made could be made. This could also apply to offset roller 11 be dispensed with, since the change in length caused by the offset roller 11 the continuous film 1 can also be taken into account by the computing unit 12.

Landscapes

  • Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Printing Methods (AREA)
  • Printing Plates And Materials Therefor (AREA)
  • Advancing Webs (AREA)
  • Treatments Of Macromolecular Shaped Articles (AREA)
  • Making Paper Articles (AREA)
  • Electronic Switches (AREA)
  • Handling Of Sheets (AREA)
EP99121278A 1998-10-31 1999-10-25 Dispositif d'impression d'une bande sans fin sans repère Expired - Lifetime EP1000759B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19850274A DE19850274C1 (de) 1998-10-31 1998-10-31 Vorrichtung zum Bedrucken einer markierungsfreien Endlosfolie
DE19850274 1998-10-31

Publications (3)

Publication Number Publication Date
EP1000759A2 true EP1000759A2 (fr) 2000-05-17
EP1000759A3 EP1000759A3 (fr) 2000-11-02
EP1000759B1 EP1000759B1 (fr) 2005-12-14

Family

ID=7886288

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99121278A Expired - Lifetime EP1000759B1 (fr) 1998-10-31 1999-10-25 Dispositif d'impression d'une bande sans fin sans repère

Country Status (9)

Country Link
US (1) US6564710B1 (fr)
EP (1) EP1000759B1 (fr)
AT (1) ATE312719T1 (fr)
BR (1) BR9905335A (fr)
CA (1) CA2287754C (fr)
DE (2) DE19850274C1 (fr)
DK (1) DK1000759T3 (fr)
ES (1) ES2252904T3 (fr)
HU (1) HU218886B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007057259A1 (fr) * 2005-11-15 2007-05-24 OCé PRINTING SYSTEMS GMBH Procede, dispositif et programme informatique pour accoupler un appareil d'impression a un appareil de post-traitement d'impression

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4276364B2 (ja) * 2000-08-18 2009-06-10 株式会社リコー ウェブ印刷装置
EP1205863A1 (fr) * 2000-11-14 2002-05-15 Honda R&D Europe (Deutschland) GmbH Optimisation à objectifs multiples
US6851874B2 (en) * 2002-06-18 2005-02-08 Hewlett-Packard Development Company, L.P. Methods and systems of producing blister packaging
US20070000939A1 (en) * 2002-10-29 2007-01-04 Vasilios Vasiadis Device for handling and orientating pills or tablets in a precise manner
DE10312889B3 (de) * 2003-03-22 2004-08-05 CSAT Gesellschaft für Computer-Systeme und Automations-Technik mbH Vorrichtung zum positionsgenauen Bedrucken einer markierungsfreien Folie
CN1802248A (zh) * 2003-06-23 2006-07-12 宝洁公司 在可拉伸基质上生产印刷图像和压花图像高度对准的产品的方法
US20070194034A1 (en) * 2006-02-17 2007-08-23 Vasilios Vasiadis Device for printing pills, tablets or caplets in a precise manner
US20080022872A1 (en) * 2006-07-28 2008-01-31 The Procter & Gamble Company Apparatus for perforating printed or embossed substrates
DE102009013173A1 (de) * 2008-04-17 2009-10-22 Heidelberger Druckmaschinen Ag Verpackungsmaschine für Waren in mit einer Blisterfolie zu verschließende Blisterformschalen
WO2020051187A1 (fr) * 2018-09-05 2020-03-12 Gerber Technology Llc Procédé et appareil pour la production de vêtements
JP2023076311A (ja) * 2021-11-22 2023-06-01 株式会社イシダ 包装装置

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19525713C1 (de) 1995-07-15 1996-11-14 Csat Computer Systeme Vorrichtung zum Bedrucken einer markierungsfreien Endlosfolie

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US4011976A (en) * 1975-10-15 1977-03-15 E. I. Du Pont De Nemours And Company Method and system for controlling web speed
IT1163267B (it) * 1983-04-29 1987-04-08 Cerutti Spa Off Mec Dispositivo per lo spostamento di un cilindro compensatore in una macchina da stampa
GB8526249D0 (en) * 1985-10-24 1985-11-27 Crosfield Electronics Ltd Register control apparatus
FI894177A (fi) * 1988-09-22 1990-03-23 Ancker Joergensen As Foerfarande och anordning foer etikettering.
JPH0729454B2 (ja) * 1990-04-10 1995-04-05 旭光学工業株式会社 プリンタの書き出し位置調整機構
DE4229352A1 (de) * 1992-09-07 1994-04-14 Bhs Bayerische Berg Druckmaschine
US5269222A (en) * 1993-03-29 1993-12-14 Johnson Robert W Variable tension controller for rotary printing press
US5711225A (en) * 1994-01-31 1998-01-27 Nilpeter A/S Method for processing a continuous web extending along a predetermined path
DE4410132C2 (de) * 1994-03-24 1996-07-25 Thimm Verpackung Gmbh & Co Flexodruckmaschine, insbesondere für Mehrfarbendruck
US5483893A (en) * 1995-03-31 1996-01-16 Isaac; Ragy Control system and method for automatically identifying webs in a printing press
JPH106583A (ja) * 1996-06-21 1998-01-13 Hitachi Koki Co Ltd プリンタの紙送り速度制御方法

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19525713C1 (de) 1995-07-15 1996-11-14 Csat Computer Systeme Vorrichtung zum Bedrucken einer markierungsfreien Endlosfolie

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007057259A1 (fr) * 2005-11-15 2007-05-24 OCé PRINTING SYSTEMS GMBH Procede, dispositif et programme informatique pour accoupler un appareil d'impression a un appareil de post-traitement d'impression

Also Published As

Publication number Publication date
EP1000759A3 (fr) 2000-11-02
HU218886B (hu) 2000-12-28
DK1000759T3 (da) 2006-04-18
ATE312719T1 (de) 2005-12-15
DE59912923D1 (de) 2006-01-19
DE19850274C1 (de) 2000-05-25
HUP9903756A1 (hu) 2000-05-28
HU9903756D0 (en) 1999-12-28
BR9905335A (pt) 2000-09-26
CA2287754C (fr) 2004-02-10
ES2252904T3 (es) 2006-05-16
CA2287754A1 (fr) 2000-04-30
EP1000759B1 (fr) 2005-12-14
US6564710B1 (en) 2003-05-20

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