EP0130751A2 - Verfahren und Apparat für fortlaufenden Mehrfarbendruck - Google Patents

Verfahren und Apparat für fortlaufenden Mehrfarbendruck Download PDF

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Publication number
EP0130751A2
EP0130751A2 EP84304237A EP84304237A EP0130751A2 EP 0130751 A2 EP0130751 A2 EP 0130751A2 EP 84304237 A EP84304237 A EP 84304237A EP 84304237 A EP84304237 A EP 84304237A EP 0130751 A2 EP0130751 A2 EP 0130751A2
Authority
EP
European Patent Office
Prior art keywords
substrate
belt
printing
detector
marks
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.)
Withdrawn
Application number
EP84304237A
Other languages
English (en)
French (fr)
Other versions
EP0130751A3 (de
Inventor
Shiro Ichinose
Akio Yamasaki
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.)
Toshin Kogyo Co Ltd
Original Assignee
Toshin Kogyo Co Ltd
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 Toshin Kogyo Co Ltd filed Critical Toshin Kogyo Co Ltd
Publication of EP0130751A2 publication Critical patent/EP0130751A2/de
Publication of EP0130751A3 publication Critical patent/EP0130751A3/de
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F33/00—Indicating, counting, warning, control or safety devices
    • B41F33/0081—Devices for scanning register marks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F15/00—Screen printers
    • B41F15/08—Machines
    • B41F15/0831—Machines for printing webs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F15/00—Screen printers
    • B41F15/08—Machines
    • B41F15/0831—Machines for printing webs
    • B41F15/0845—Machines for printing webs with flat screens
    • B41F15/085—Machines for printing webs with flat screens with a stationary screen and a moving squeegee

Definitions

  • the present invention relates to a continuous multicolor printing method and apparatus. More particularly, the invention relates to a continuous multicolor printing method and apparatus in which a substrate to be printed is delivered into a printing zone by utilizing a suction pressure and is then printed.
  • the former process is defective in that the productivity is naturally low and it is impossible to continuously print a long substrate.
  • the latter process since a tension is imposed on the substrate, the substrate is elongated and contracted, and hence, the kind of the substrate is limited for attaining precise printing. Moreover, large and complicated equipment and control are necessary for maintaining the feed tension of the substrate at a constant level.
  • an automatic screen printing machine for printing fibrous articles.
  • an endless belt is used for the delivery of a substrate, and the substrate is bondei to the endless belt through an appropriate adhesive to integrate the substrate completely with the endless belt and intermittent driving of a certain feed rate is given to the integrated assembly. Therefore, a high matching precision can be maintained in this printing process.
  • the substrate is a paper or film
  • peeling of the substrate from the endless belt is very difficult or impossible though bonding is possible, and the delivery method using a belt cannot be adopted.
  • a continuous multicolor printing method comprising intermittently driving an endless belt spread between a pair of pulleys by at least one of said pulleys to intermittently feed a substrate to be printed, which is placed on the belt, into a printing zone and printing the substrate through a flat screen, wherein many small apertures are formed in the endless belt, a subatmospheric pressure is produced below the endless belt to intermittently feed the substrate into the printing zone in the state where the substrate adheres closely to the endless belt, marks for respective feeds are printed on the substrate before printing of a first color, and the intermittent feeding of the endless belt is controlled by detecting said marks.
  • a continuous multicolor printing apparatus comprising an endless belt spread by a pair of pulleys to pass through a printing zone, a driving mechanism for intermittently driving at least one of said pulleys to intermittently feed the endless belt and a printing unit provided with a flat screen arranged in the printing zone, wherein a mesh belt is used as the endless belt, a suction table connected to suction means is arranged below a delivery area of the mesh belt, a substrate to be printed is delivered to the printing zone integrally with the mesh belt by a sucking force, marking means for forming marks on the substrate and detecting means for detecting said marks are arranged forwardly of the printing unit with respect to the moving direction of the mesh belt, and the driving mechanism is decelerated or stopped by a detection signal from said mark detecting means to control the intermittent feeding of the mesh melt.
  • a driving pulley 2 and a driven pulley 3 are arranged on the rear and front sides, respectively, in the advancing direction of a substrate 1 to be printed in parallel to each other, and an endless mesh belt 4 of a metal is wound on the pulleys 2 and 3 and spread therebetween.
  • the substrate 1 is delivered to a printing zone P by using the mesh belt 4 and suction tables 8 are arranged below the mesh belt 4 on the delivery side (the upper portion in the drawings).
  • the suction tables 8 are connected to a vacuum pump or exhaust blower 10 through pipes 9. Referring to Figs. 2 and 3 illustrating the positional relationship and structure of the suction table 8 and mesh belt 4, the suction table 8 is secured to a machine frame (not shown) in close proximity to the lower end of the delivery side of the mesh belt 4.
  • suction pipe 9 is connected to the lower or side surface of the suction table 8, which is communicated with the vacuum pump or exhaust blower 10, so that vacuum or subatmospheric pressure is maintained in a hollow chamber 8B.
  • Small apertures 4A are formed on the mesh belt 4.
  • a mesh screen having a high mesh ratio be used.
  • This mesh belt 4 is prepared according to an electroplating method widely adopted at the present for the production of rotary mesh screens. If this method is adopted, a mesh belt of 40 to 200 mesh is ordinarily obtained.
  • mesh belts of metals and non- metallic materials may be used.
  • a mesh belt prepared according to the above-mentioned electroplating method is preferred because the friction resistance to the suction table 8 is maintained at an appropriate level, small apertures can be formed easily and a completely endless belt can be obtained.
  • the substrate 1 since a sucking force is imposed on the entire surface of the substrate 1 by the operation of the vacuum pump or exhaust blower 10, the substrate 1 is delivered in the printing zone P in the state where the substrate 1 adheres closely to the mesh belt 4 and is integrated with the mesh belt 4. If this sucking operation is continued even while the mesh belt 4 is stopped, the substrate 1 is fixed on the mesh belt 4 in the state adhering closely thereto. Accordingly, printing can be perfomred precisely without dislocation or elongation or contraction.
  • a plurality of planographic printing units 11 are arranged at intervals corresponding to the feed repeat, and if necessary, intermediate driers 12 are arranged in intermediate portions between adjacent printing units 11, whereby printing and drying are effected for respective colors.
  • the second characteristic feature of the present invention is that marks for respective feeds of the substrate 1 are printed on the substrate 1 before printing of a first color and at the subsequent printing operation, the marks for respective-feeds are detected to control the feed lengths of the mesh belt 4.
  • a marking device 20 is arranged to print marks for respective feeds of the substrate 1 before printing of a first color.
  • This marking device 20 comprises, for example, a stamping device or small screen printing device, and marks are printed on the margin of the substrate 1. It is sufficient if the size of the marks is such that the marks can be detected by a photoelectric sensor. If the substrate 1 is a white paper, a black or brown ink may be used for printing the marks.
  • Detection mechanisms 21 and 22 for detecting the marks are arranged forwardly of the first printing zone A.
  • the detecting mechanism comprises, for example, a photoelectric sensor for detecting marks by relection of light. It is preferred that a pair of a detecting sensor 21 for emitting a deceleration signal and a detecting sensor 22 for emitting a stop signal be arranged forwardly and backwardly,respectively, with respect to the movement of the mesh belt 4.
  • the driving motor 5 when the mark printed on the substrate 1 is detected by the detecting sensor 21 for emitting a deceleration signal, the driving motor 5 is decelerated, and when the mark is detected by the detecting sensor 22 for emitting a stop signal, the driving motor 5 is stopped, whereby intermittent driving of the mesh belt 4 is accomplished.
  • the detection mechanisms 21 and 22 are arranged so that the positions of the detection mechanisms 21 and 22 can be changed and adjusted in the advancing direction of the belt 4 according to the feed length (repeat length) of the belt 4.
  • the distance L between the marking position of the marking device 20 and the detection mechanism corresponds to the intermittent feed length of the belt 4.
  • the substrate is intermittently driven integrally with the mesh belt 4 by the above-mentioned sucking action and driving mechanism, and after printing of necessary colors, the substrate 1 is separated from the mesh belt 4, passed through a final drier 13 and introduced into a winding or other step.
  • a plurality of suction tables 8 are arranged in a divided manner.
  • one suction table may be arranged so that a sucking effect is produced throughout the printing zone from before the initiation of the printing operation to the termination of the printing operation to prevent elongation or contraction or slipping of the substrate 1.
  • Fig. 4 illustrates an embodiment of planographic screen printing where the feed repeat is large or the number of colors is large and a long printing zone is necessary.
  • the mesh belt 4 is prepared by the electroplating method as in the above-mentioned embodiment, but the circumferential length of the mesh belt is naturally limited for obtaining a completely endless belt, and if the repeat length is large or the color number is large, the length of the mesh belt is insufficient in some cases. Accordingly, there may be adopted a method in which as shown in Fig. 4, the mesh belt 4 and the driving device therefor are divided, and the respective fragments are connected to one another so that they may be driven integrally.
  • the mesh belt 4, driving pulleys, driven pulleys and suction tables are constructed and arranged in the same manner as in the embodiment shown in Fig. 1.
  • the driving force of the driving motor 5 is divided for respective fragments and transmitted to the respective driving pulleys 2 through reduction gears 17 such as worm gears and the driving pulleys 2 are synchronously driven through line shafts 18.
  • an endless mesh belt of a metal is used as a delivering member, and a substrate to be printed is always sucked continuously during either driving or stoppage by a sucking force of a suction table stationarily arranged below the lower surface of the metal mesh belt and is delivered in the state adhering closely to the mesh belt, while the substrate is located at a predetermined position precisely at the time of stoppage.
  • intermittent feeding of the mesh belt is controlled by detecting marks printed on the substrate, intermittent feeding is accomplished at a high precision.
  • a high feeding precision can be maintained irrespectively of the elasticity of a substrate and printing can be performed smoothly at a high matching precision irrespectively of the kind of a material of the substrate to be printed.
  • elongation or contraction of the substrate or minute displacement of the substrate is prevented through the entire length of the printing zone, and the substrate is completely integrated with the mesh belt as the delivery member. Accordingly, the structure of tension adjusting means arranged in the portions for rolling out and up the substrate can be simplified.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Screen Printers (AREA)
  • Delivering By Means Of Belts And Rollers (AREA)
  • Advancing Webs (AREA)
  • Belt Conveyors (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
EP84304237A 1983-06-24 1984-06-22 Verfahren und Apparat für fortlaufenden Mehrfarbendruck Withdrawn EP0130751A3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP11281283A JPS606463A (ja) 1983-06-24 1983-06-24 連続多色印刷方法及び装置
JP112812/83 1983-06-24

Publications (2)

Publication Number Publication Date
EP0130751A2 true EP0130751A2 (de) 1985-01-09
EP0130751A3 EP0130751A3 (de) 1985-12-18

Family

ID=14596146

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84304237A Withdrawn EP0130751A3 (de) 1983-06-24 1984-06-22 Verfahren und Apparat für fortlaufenden Mehrfarbendruck

Country Status (2)

Country Link
EP (1) EP0130751A3 (de)
JP (1) JPS606463A (de)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2613282A1 (fr) * 1987-04-02 1988-10-07 Svecia Silkscreen Maskiner Ab Dispositif d'impression a ecran de soie pour appliquer des figures de couleurs multiples dans un ordre donne sur un materiau d'impression, de maniere a obtenir sur celui-ci une figure imprimee en couleurs multiples
EP0309023A3 (de) * 1987-09-25 1990-04-11 Officine Meccaniche Salvade' S.A.S. Vorrichtung zum Regeln des Schrittes von intermittierend arbeitenden Maschinen, insbesondere selbsttätige Siebdruckmaschinen
ES2049143A2 (es) * 1991-11-04 1994-04-01 Cremades Martinez Sistema y maquina de impresion multiple en continuo.
US6053101A (en) * 1998-04-30 2000-04-25 Hix; Clifford A. Transfer printing press
CN108466476A (zh) * 2018-05-25 2018-08-31 常州工程职业技术学院 用于毛毯坯布的印花定位装置
ES2750073A1 (es) * 2018-09-24 2020-03-24 Asitec Ceram S L Base de soporte de bandas de transporte en maquinas de impresion digital en continuo
US11314160B2 (en) * 2020-01-07 2022-04-26 Wenzhou Wapro Technology Co., Ltd. X-ray film packaging bag printer

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62174150A (ja) * 1986-01-29 1987-07-30 Teijin Ltd ロ−ルツ−ロ−ル式スクリ−ン印刷装置
JPS63315239A (ja) * 1987-06-18 1988-12-22 Yokohama T-Pu Kogyo Kk 連続スクリ−ン印刷方法およびその印刷装置
MXPA05004643A (es) * 2002-10-30 2005-06-08 Inverness Medical Ltd Preacondicionamiento de un sustrato en un procedimiento continuo para la fabricacion de sensores electroquimicos.
CN109367208B (zh) * 2018-10-25 2020-12-04 合肥艾特标牌有限公司 丝印标牌的生产流水线

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1228277B (de) * 1963-03-28 1966-11-10 Zimmer Johannes Einrichtung zum Festhalten eines flaechenfoermigen Materials
US3848528A (en) * 1972-09-25 1974-11-19 Moffitt R Co Multi-station printing system
CH565654A5 (en) * 1973-07-11 1975-08-29 Precision Screen Machines Continuous pattern printing on screen printing press - with simultaneous drying facilities
JPS6034468B2 (ja) * 1978-10-07 1985-08-08 東伸工業株式会社 自動スクリ−ン捺染装置
US4273042A (en) * 1977-11-26 1981-06-16 Toshin Kogyo Co., Ltd. Automatic screen printing process and apparatus
DE2812220A1 (de) * 1978-03-20 1979-09-27 Brueckner Apparatebau Gmbh Verfahren und vorrichtung zum bedrucken einer absatzweise transportierten warenbahn

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2613282A1 (fr) * 1987-04-02 1988-10-07 Svecia Silkscreen Maskiner Ab Dispositif d'impression a ecran de soie pour appliquer des figures de couleurs multiples dans un ordre donne sur un materiau d'impression, de maniere a obtenir sur celui-ci une figure imprimee en couleurs multiples
EP0309023A3 (de) * 1987-09-25 1990-04-11 Officine Meccaniche Salvade' S.A.S. Vorrichtung zum Regeln des Schrittes von intermittierend arbeitenden Maschinen, insbesondere selbsttätige Siebdruckmaschinen
ES2049143A2 (es) * 1991-11-04 1994-04-01 Cremades Martinez Sistema y maquina de impresion multiple en continuo.
GB2290502A (en) * 1991-11-04 1996-01-03 Martonez Francisco Cremades Continuous multiprinting machine
US6053101A (en) * 1998-04-30 2000-04-25 Hix; Clifford A. Transfer printing press
CN108466476A (zh) * 2018-05-25 2018-08-31 常州工程职业技术学院 用于毛毯坯布的印花定位装置
ES2750073A1 (es) * 2018-09-24 2020-03-24 Asitec Ceram S L Base de soporte de bandas de transporte en maquinas de impresion digital en continuo
US11314160B2 (en) * 2020-01-07 2022-04-26 Wenzhou Wapro Technology Co., Ltd. X-ray film packaging bag printer
DE102020129304B4 (de) 2020-01-07 2023-11-30 Wenzhou Wapro Technology Co., Ltd. Drucker zum Bedrucken von Röntgenfilm-Verpackungstaschen

Also Published As

Publication number Publication date
JPS606463A (ja) 1985-01-14
EP0130751A3 (de) 1985-12-18

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Effective date: 19880323

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Inventor name: ICHINOSE, SHIRO

Inventor name: YAMASAKI, AKIO