WO2016074890A1 - Web processing system and method for processing a web - Google Patents
Web processing system and method for processing a web Download PDFInfo
- Publication number
- WO2016074890A1 WO2016074890A1 PCT/EP2015/074305 EP2015074305W WO2016074890A1 WO 2016074890 A1 WO2016074890 A1 WO 2016074890A1 EP 2015074305 W EP2015074305 W EP 2015074305W WO 2016074890 A1 WO2016074890 A1 WO 2016074890A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- printing
- web
- pattern
- printing cylinder
- processing system
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F11/00—Rotary presses or machines having forme cylinders carrying a plurality of printing surfaces, or for performing letterpress, lithographic, or intaglio processes selectively or in combination
- B41F11/02—Rotary presses or machines having forme cylinders carrying a plurality of printing surfaces, or for performing letterpress, lithographic, or intaglio processes selectively or in combination for securities
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F13/00—Common details of rotary presses or machines
- B41F13/02—Conveying or guiding webs through presses or machines
- B41F13/025—Registering devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F9/00—Rotary intaglio printing presses
- B41F9/003—Web printing presses
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M1/00—Inking and printing with a printer's forme
- B41M1/02—Letterpress printing, e.g. book printing
- B41M1/04—Flexographic printing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M1/00—Inking and printing with a printer's forme
- B41M1/10—Intaglio printing ; Gravure printing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M1/00—Inking and printing with a printer's forme
- B41M1/14—Multicolour printing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M3/00—Printing processes to produce particular kinds of printed work, e.g. patterns
- B41M3/14—Security printing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M1/00—Inking and printing with a printer's forme
- B41M1/06—Lithographic printing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M3/00—Printing processes to produce particular kinds of printed work, e.g. patterns
- B41M3/008—Sequential or multiple printing, e.g. on previously printed background; Mirror printing; Recto-verso printing; using a combination of different printing techniques; Printing of patterns visible in reflection and by transparency; by superposing printed artifacts
Definitions
- the invention pertains to a web processing system and a method for processing a web, particularly for printing random patterns or layouts onto a continuous web of material.
- Articles of value are usually protected by some sort of authenticity measures that are put into place by the manufacturer to prevent the forgery of such an article.
- cigarette boxes may be tagged in way that allows to track its origin and to confirm its authenticity.
- Conventionally employed techniques involve methods of recording identification codes or the like on cardboard or paper using sophisticated printing techniques to tag the desired articles of value with a seal of genuineness.
- Those printing techniques are hard to reproduce for imitators or plagiarists since the techniques either involve specific knowledge about the manufacturing process or the use of hard to obtain materials.
- the document EP 1 125 758 Al discloses a system for tagging sheets of paper with a random pattern, the system using a series of printing rollers that may apply phase shifted random patterns to one or both sides of the sheet, Summary of the invention
- One idea of the present invention is to provide a web processing system that is able to generate a patterned image on the web which patterned image is truly random or at least pseudo-random in nature
- a first aspect of the present invention therefore relates to a processing system for a web, comprising a conveying mechanism configured to feed a continuous web of material along a conveying path in the processing system; a first printing cylinder having a first diameter and a first printing pattern, the first printing cylinder being arranged adjacent to the conveying path and configured to print a first image pattern on at least one surface of the continuous web; at least one second printing cylinder having a second diameter different from the first diameter and a second printing pattern, the second printing cylinder being arranged adjacent to the conveying path and configured to print a second image pattern on top of the first image pattern on the continuous web; and a system controller coupled to the conveying mechanism and configured to control the conveying mechanism according to at least one registration procedures, wherein the system controller is configured to selectively disable at least one of the registration procedures when printing the first and second image patterns to print a final random image pattern on the at least one surface of the continuous web.
- a second aspect of the present invention relates to a method for processing a web, the method comprising conveying a continuous web of material along a conveying path in a processing system by a conveying mechanism; printing a first image pattern on at least one surface of the continuous web using a first printing cylinder having a first diameter and a first printing pattern; printing a second image pattern on top of the first image pattern on the continuous web using at least one second printing cylinder having a second diameter different from the first diameter and a second printing pattern; and selectively disabling at least one registration procedure for the conveying mechanism when printing the first and second image patterns to print a final random image pattern on the at least one surface of the continuous web.
- a web of material comprises a random pattern printed on a surface thereof, wherein the random pattern is obtained according to the method of the first aspect of the invention.
- the first printing pattern and/or the second printing pattern may be different.
- the registration procedures may comprise one or more of control of web conveying speed, control of lateral web alignment, control of conveying path length between the printing cylinders and control of web tension.
- system controller may further be coupled to the first printing cylinder and the at least one second printing cylinder and configured to drive the first printing cylinder and the at least one second printing cylinder at different rotational speed.
- system controller may further be configured to drive the first printing cylinder and the at least one printing cylinder at the same tangential speed.
- the first image pattern and/or the second image pattern may comprise random image patterns.
- the first printing pattern and the second printing pattern may comprise different patterns.
- the registration procedures may comprise one or more of control of web conveying speed, control of lateral web alignment, control of conveying path length between the printing cylinders and control of web tension.
- the continuous web material may comprise one of cardboard, paper, cellulose, textile fabric, plastic, metal or a laminate combination thereof.
- the first printing cylinder and the at least one second printing cylinder may be driven at different rotational speed.
- the first printing cylinder and the at least one second printing cylinder may be driven at the same tangential speed.
- printing the first and second printing pattern may comprise transferring compositions comprising at least one of an ink, a varnish and a wax onto the at least one surface of the web.
- the web according to the third aspect of the invention may in an embodiment include separation means adapted to allow separation of at least one sheet from the web, the at least one sheet comprising a portion of the printed random pattern.
- the separation means may comprise score lines, perforation lines or die cuts formed in the material of the web.
- the web material according to the third aspect of the invention may in an embodiment comprise one of cardboard, paper, cellulose, textile fabric, plastic, metal or a laminate combination thereof.
- a package comprising at least one part thereof made from a web may be manufactured using a web of material according to the third aspect of the invention.
- Fig. 1 shows a schematical illustration of a processing system in isometric view according to one embodiment of the invention.
- Fig. 2 schematically illustrates a portion of a base web according to a further embodiment of the invention.
- Fig. 3 depicts a functional block diagram of stages in a method for processing a web according to yet another embodiment of the invention.
- printing machines and printing systems are generally intended to comprise any combination or structural arrangement of units, modules and registers that are able to convey a web to be processed along a conveying path within the apparatus.
- the printing apparatuses may comprise any components that are adapted to imprint, stamp or presswork patterns, images, text or coloured areas onto one or both sides of the web being processed.
- the printing apparatus may comprise one or more of laser beam devices, developing devices, transfer devices, fixation devices, cutting devices, folding devices and similar conventionally known components in gravure and offset printing.
- Fig. 1 schematically illustrates a processing system 100.
- the processing system 100 may particularly be configured to process and produce printed webs Wp of material, the web Wp comprising material such as cardboard, paper, cellulose, textile fabric, plastic, metal or a laminate combination thereof.
- the processing system 100 generally comprises a plurality of processing stages 12 that are equipped with rollers or feed units, generally denoted with the reference sign 10 in Fig. 1.
- the rollers 10 form part of a conveying mechanism 11 that is configured to feed a continuous web W of material along a conveying path in the processing system 100.
- Fig. 2 illustrates a functional view of a processing system for processing webs W and may be seen as conceptual depiction of the processing system 100 in Fig. 1.
- the web W may be input to the processing system at a system input 8, conveyed through the various processing stages 12 and output as printed web Wp at a system output 9,
- the processing system 100 comprises a first printing cylinder 1 having a first diameter dl and a first printing pattern formed thereon.
- the first printing cylinder 1 is arranged adjacent to the conveying path and configured to print a first image pattern, i.e. a printed image of the printing pattern of the first printing cylinder, on at least one surface of the continuous web W.
- the first printing cylinder 1 is configured to print the first image pattern on the bottom surface of the web W running between the first printing cylinder 1 and a corresponding pressure roller 4.
- the processing system 100 further comprises at least one second printing cylinder 2 having a second diameter d2 different from the first diameter dl and a second printing pattern formed thereon.
- the second diameter d2 may be larger than the first diameter dl.
- the second printing cylinder 2 is arranged in series with the first printing cylinder 1 and may be arranged downstream of the first printing cylinder 1 in the conveying path of the web W.
- the second printing cylinder 2 is likewise arranged adjacent to the conveying path and is configured to print a second image pattern, i.e. a printed image of the second printing pattern of the second printing cylinder, on top of the first image pattern on the continuous web W.
- the second printing cylinder 2 may be configured to print the second image pattern on the bottom surface of the web W running between the second printing cylinder 2 and a corresponding pressure roller 5..
- a third printing cylinder 3 downstream of the second printing cylinder 2, the third printing cylinder 3 having a diameter different from the diameter of the first and/or second printing cylinder 1 and 2, and preferably a third printing pattern formed thereon.
- a corresponding pressure roller 6 may be provided in order to have the third printing cylinder 3 print a third image pattern, i.e. a printed image of the third printing pattern of the third printing cylinder, on a surface of the web W running between the third printing cylinder 3 and the pressure roller 6.
- the number of printing cylinders 1, 2 and 3 is not limited to two or three, but may instead be any desired number greater than two.
- the first printing pattern and/or the second printing pattern may be printed on the web W as image patterns or layouts, for example as ornamental designs or lines, dots or geometrical shapes in various colours and/or line thickness.
- the first printing pattern and the second printing pattern may for example be different patterns providing a final image pattern made of an overlapping of the first and second image patterns on the web W, i.e. the different printing cylinders 1, 2 and 3 print different image patterns on top of each other.
- the printing cylinders 1, 2 and 3 may be configured to transfer compositions in liquid form onto the at least one surface of the web W, such as ink, varnish or wax.
- the processing system 100 may comprise a drying module downstream of each of the printing cylinders 1, 2 and 3 that is configured to dry the compositions in liquid form printed on the web W.
- the processing system 100 further comprises a system controller 7 which is coupled to the conveying mechanism IX and the printing cylinders 1, 2 and 3.
- the system controller 7 is on one hand responsible for control of the printing cylinders 1, 2 and 3.
- the system controller 7 may be configured to drive the printing cylinders 1, 2 and 3 at different rotational speed.
- the system controller 7 may adapt the rotational speed of each of the printing cylinders 1, 2 and 3 in such a way that the printing cylinders 1, 2 and 3 are driven at the same tangential speed. This way, the speed of the web W passing by the printing cylinders 1, 2 and 3 will remain constant throughout the whole printing process.
- the system controller 7 is configured to control the conveying mechanism 11 according to at least one registration procedure.
- registrations procedures may for example include control of web conveying speed, control of lateral web alignment, control of conveying path length between the printing cylinders and control of web tension.
- the system controller 7 is able to provide a certain randomness in the printing parameters of the processing system 100, thereby introducing a degree of ⁇ reproducibility to the printed patterns.
- each of the first second image patterns has a certain degree of randomness due to the granted ability for the web W to move out of registry over the first and/or second and/or third printing rollers.
- each of the first, second and third image patterns are random or at least pseudo-random and the final image pattern obtained at the outlet 9 of the processing system 100, which is made of a combination of the first, second and third image patterns is also random or at least pseudo-random.
- the printed web Wp is therefore printed with a unique final image pattern, which is therefore very hard to reproduce,
- the processing system 100 may be used to print continuous webs Wp of material that include a truly or at least pseudo-random pattern printed on a surface thereof.
- the web Wp may for example comprise separation means, such as score lines, perforation lines or die cuts formed in the material of the web Wp, that are adapted to allow separation of at least one sheet from the web Wp. Each separated sheet then comprises a portion of the printed random pattern. Such sheets may subsequently be used in manufacturing or tagging a package, for example a cigarette box.
- Fig. 3 schematically illustrates a block diagram of a method M for processing a continuous web of material, such as the web W of Figs. 1 and 2.
- the method M may particularly be implemented with a web processing system, such as the processing system 100 as illustrated in and explained in conjunction with Figs, 1 and 2,
- the method M may comprise at Ml the process of conveying a continuous web W of material along a conveying path in a processing system 100 by a conveying mechanism 11.
- the web W may for example be made from a material comprising one of cardboard, paper, cellulose, textile fabric, plastic, metal or a laminate combination thereof.
- the conveying mechanism 11 may for example comprise a number of rollers and web feed modules, such as rollers 10.
- the conveying mechanism may in particular be distributed over a series of processing stages 12 of the processing system 100.
- a first image pattern is printed on at least one surface of the continuous web W, for example the upper surface, using a first printing cylinder 1 having a first diameter dl and a first printing pattern.
- a second image pattern may be printed on top of the first image pattern on the continuous web W using at least one second printing cylinder 1 having a second diameter dl different from the first diameter dl and a second printing pattern, preferably different from the first printing pattern.
- the printing processes of M2 and 3 may for example comprise transferring compositions in liquid form, such as ink, varnish or wax, onto the at least one surface of the web W.
- a fourth stage M4 while the first and second image patterns are printed on the web W by the printing cylinders 1, 2 and 3, at least one registration procedure for the conveying mechanism 11 in the processing system 100 may be selectively disabled.
- the processing system 100 may be under control of a system controller 7 that controls various registration procedures in the system such as the control of web conveying speed, the control of lateral web alignment, the control of conveying path length between the printing cylinders 1, 2 and 3, and the control of web tension. Due to disabling at least one registration procedure for the conveying mechanism 11 the first and second printing pattern of the printing cylinders may each provide random image patterns onto the web W. In order to create as much randomness in the resulting overall final image pattern on the web W, the first printing pattern and the second printing pattern may each provide different image patterns.
- the first printing cylinder 1 and the at least one printing cylinder 2, 3 may be driven at different rotational speed, but at the same tangential speed. This ensures that the sequence of the first and second image patterns is randomly shifted with respect to each other.
- having the first and second printing cylinders 1, 2 and 3 run at the same tangential speed will guarantee a constant web speed of the web W in the conveying mechanism without the risk of mechanical or tensile stress due to the printing processes at the different cylinders.
- compositions in liquid form may be dried in an optional stage M5 of the method M. Said drying stage may alternatively be carried out after each of the printing processes M2 and M3.
Abstract
Description
Claims
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SG11201703752TA SG11201703752TA (en) | 2014-11-11 | 2015-10-21 | Web processing system and method for processing a web |
PL15784348T PL3218189T3 (en) | 2014-11-11 | 2015-10-21 | Web processing system and method for processing a web |
EA201791025A EA033352B1 (en) | 2014-11-11 | 2015-10-21 | Web processing system and method for processing a web |
CA2967089A CA2967089A1 (en) | 2014-11-11 | 2015-10-21 | Web processing system and method for processing a web |
EP15784348.3A EP3218189B1 (en) | 2014-11-11 | 2015-10-21 | Web processing system and method for processing a web |
KR1020177014052A KR102323298B1 (en) | 2014-11-11 | 2015-10-21 | Web processing system and method for processing a web |
JP2017525579A JP6592516B2 (en) | 2014-11-11 | 2015-10-21 | Web processing system and web processing method |
PH12017500855A PH12017500855B1 (en) | 2014-11-11 | 2017-05-08 | Web processing system and method for processing a web |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP14192678 | 2014-11-11 | ||
EP14192678.2 | 2014-11-11 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2016074890A1 true WO2016074890A1 (en) | 2016-05-19 |
Family
ID=51900734
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2015/074305 WO2016074890A1 (en) | 2014-11-11 | 2015-10-21 | Web processing system and method for processing a web |
Country Status (10)
Country | Link |
---|---|
EP (1) | EP3218189B1 (en) |
JP (1) | JP6592516B2 (en) |
KR (1) | KR102323298B1 (en) |
CA (1) | CA2967089A1 (en) |
EA (1) | EA033352B1 (en) |
PH (1) | PH12017500855B1 (en) |
PL (1) | PL3218189T3 (en) |
SG (1) | SG11201703752TA (en) |
TW (1) | TWI657935B (en) |
WO (1) | WO2016074890A1 (en) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3216485C1 (en) * | 1982-04-30 | 1983-04-21 | Billett-Automation Dipl.-Ing. Klaus Schwarz oHG, 8164 Hausham | Method and device for printing portions of documents |
EP1125758A1 (en) * | 2000-02-14 | 2001-08-22 | Xerox Corporation | Method for tagging a security document |
EP1318486A1 (en) * | 2001-12-07 | 2003-06-11 | Fracture Code Corporation ApS | Method and apparatus for marking articles |
WO2007116376A2 (en) * | 2006-04-10 | 2007-10-18 | Cc1 Inc. | Method and apparatus for re-registering a mechanical drive press |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2626549A1 (en) * | 1975-06-20 | 1977-01-13 | Uniroyal Inc | PROCESS FOR GIVING A MATERIAL FILM WITH A DECOR |
JPS57212090A (en) * | 1981-06-25 | 1982-12-27 | Toppan Printing Co Ltd | Printing method |
JPS5874388A (en) * | 1981-10-29 | 1983-05-04 | Toppan Printing Co Ltd | Production of relief printing type decorative sheet |
JPH07323655A (en) * | 1994-05-31 | 1995-12-12 | Toppan Printing Co Ltd | Printing of random pattern |
TW530757U (en) * | 2002-02-08 | 2003-05-01 | Kun-Ti Li | Cylinder printing machine |
BR0318542A (en) * | 2003-10-09 | 2006-09-12 | Saueressig Gmbh & Co | method for producing a stamping tool for stamping safety features on surfaces of conveyor materials, as well as conveyor material with at least one safety element |
JP2006076036A (en) * | 2004-09-08 | 2006-03-23 | Dainippon Printing Co Ltd | Method and device for inhibiting registration variability in speed acceleration/deceleration and gravure printing device |
CN102336078A (en) * | 2010-07-14 | 2012-02-01 | 台昌彩艺工业股份有限公司 | Intaglio printing method for matching of different circumferences of printing plate wheels for indoor decoration materials |
-
2015
- 2015-10-20 TW TW104134305A patent/TWI657935B/en not_active IP Right Cessation
- 2015-10-21 CA CA2967089A patent/CA2967089A1/en not_active Abandoned
- 2015-10-21 EP EP15784348.3A patent/EP3218189B1/en active Active
- 2015-10-21 WO PCT/EP2015/074305 patent/WO2016074890A1/en active Application Filing
- 2015-10-21 KR KR1020177014052A patent/KR102323298B1/en active IP Right Grant
- 2015-10-21 PL PL15784348T patent/PL3218189T3/en unknown
- 2015-10-21 JP JP2017525579A patent/JP6592516B2/en active Active
- 2015-10-21 SG SG11201703752TA patent/SG11201703752TA/en unknown
- 2015-10-21 EA EA201791025A patent/EA033352B1/en not_active IP Right Cessation
-
2017
- 2017-05-08 PH PH12017500855A patent/PH12017500855B1/en unknown
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3216485C1 (en) * | 1982-04-30 | 1983-04-21 | Billett-Automation Dipl.-Ing. Klaus Schwarz oHG, 8164 Hausham | Method and device for printing portions of documents |
EP1125758A1 (en) * | 2000-02-14 | 2001-08-22 | Xerox Corporation | Method for tagging a security document |
EP1318486A1 (en) * | 2001-12-07 | 2003-06-11 | Fracture Code Corporation ApS | Method and apparatus for marking articles |
WO2007116376A2 (en) * | 2006-04-10 | 2007-10-18 | Cc1 Inc. | Method and apparatus for re-registering a mechanical drive press |
Also Published As
Publication number | Publication date |
---|---|
PL3218189T3 (en) | 2018-12-31 |
TW201628865A (en) | 2016-08-16 |
JP2017533848A (en) | 2017-11-16 |
TWI657935B (en) | 2019-05-01 |
CA2967089A1 (en) | 2016-05-19 |
EA201791025A1 (en) | 2017-10-31 |
SG11201703752TA (en) | 2017-06-29 |
EP3218189A1 (en) | 2017-09-20 |
PH12017500855A1 (en) | 2017-11-06 |
EP3218189B1 (en) | 2018-07-18 |
KR102323298B1 (en) | 2021-11-11 |
PH12017500855B1 (en) | 2017-11-06 |
EA033352B1 (en) | 2019-09-30 |
JP6592516B2 (en) | 2019-10-16 |
KR20170084116A (en) | 2017-07-19 |
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