EP0723498B2 - Rotations-siebdruckzylinder und seine verwendung - Google Patents

Rotations-siebdruckzylinder und seine verwendung Download PDF

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Publication number
EP0723498B2
EP0723498B2 EP95930448A EP95930448A EP0723498B2 EP 0723498 B2 EP0723498 B2 EP 0723498B2 EP 95930448 A EP95930448 A EP 95930448A EP 95930448 A EP95930448 A EP 95930448A EP 0723498 B2 EP0723498 B2 EP 0723498B2
Authority
EP
European Patent Office
Prior art keywords
screen
screen printing
cylinder
color
printing cylinder
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
EP95930448A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0723498A1 (de
EP0723498B1 (de
Inventor
Wittich Kaule
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.)
Giesecke and Devrient GmbH
Original Assignee
Giesecke and Devrient GmbH
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
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Application filed by Giesecke and Devrient GmbH filed Critical Giesecke and Devrient GmbH
Priority to SI9530371T priority Critical patent/SI0723498T1/xx
Publication of EP0723498A1 publication Critical patent/EP0723498A1/de
Publication of EP0723498B1 publication Critical patent/EP0723498B1/de
Application granted granted Critical
Publication of EP0723498B2 publication Critical patent/EP0723498B2/de
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
    • B41C—PROCESSES FOR THE MANUFACTURE OR REPRODUCTION OF PRINTING SURFACES
    • B41C1/00—Forme preparation
    • B41C1/14—Forme preparation for stencil-printing or silk-screen printing
    • 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
    • B41F15/0836—Machines for printing webs by means of cylindrical screens or screens in the form of endless belts

Definitions

  • the invention relates to a rotary screen printing cylinder, consisting of a cylindrical sieve with a mesh of predetermined mesh size, the sieve; has at least one zone which at least in Partial areas provided with color-permeable openings is a squeegee disposed within the screen and two end pieces, each in extension the cylindrical lateral surface attached to the ends of the filter are.
  • the invention further relates to a system Rotary screen printing cylinders.
  • the production of the cylindrical sieve takes place for example, by appropriate forms of a Plastic or metal mesh, which subsequently is welded along the mantle surface. These Weld seam causes problems during printing, which is why rotary screen printing cylinder very are often produced galvanically, as in this Manufacturing process a uniform sieve surface can be achieved.
  • EP 0 164 149 describes such a Production method.
  • An electrically conductive screen template is placed in an electrolytic bath and with connected to the cathode of a current generator. thereupon If a metal layer is deposited on the template, which then removed from the template and patterned becomes. Before the sampling, the sieve material a uniform perforation on, for the Printing process in the non-printing areas impermeable to color must be made. this happens usually with the help of the already mentioned photographic Method.
  • the invention is therefore based on the object to propose a rotary screen cylinder, which can be produced easily and inexpensively and yet the processing of large print widths allows.
  • the invention is based on the basic idea that the printing areas of the screen through extended non-printing dead zones from each other separated and these dead zones are designed so that the printing cylinder has sufficient stability.
  • the screen-printing cylinder can, as usual, designed as a uniform perforated cylinder jacket being inside the cylinder in certain Distances reinforcing rings are provided. This reinforced area forms the above-mentioned dead zone and may of course during the subsequent sampling not exposed, d. H. permeable to color, become.
  • a second Printing cylinder to be produced, in a second Printing process registers in this gap prints and so the printed image complements.
  • Another embodiment of the invention provides, single fine-meshed rotary screen printing cylinder produce small print width and this Pressure cylinders along their axis to each other connect, so that almost arbitrarily large web widths can be processed by substrate. For this become the metallic end pieces of the printing cylinder, which the connecting elements for driving the Print unit, at least on one side by a correspondingly shaped connecting element, e.g. replaced a flange.
  • the first and last Printing cylinder of such a series of course as before, the corresponding known connection element to drive the machine.
  • An advantage of this embodiment is to see that the individual impression cylinders are still in customary fashioned in standard machines can be and thus additional costs for Complex machine conversions are eliminated.
  • the tails can be simple Be tubular elements that firmly welded together become.
  • the fasteners between the Sieb Schemeen also be made in one piece, so that basically there is a single screen-printing cylinder, whose sieve area at certain points by the supporting connecting elements is interrupted.
  • the individual impression cylinders can of course be designed arbitrarily. So, for example one of the cylinders consist of a solid material, the is formed in a sieve only in certain zones, while another was patterning out of one in the usual way Mesh fabric exists.
  • the invention thus offers the possibility a rotary screen cylinder with any axial cylinder length produce, due to the reinforced zones regardless of the size of the openings of the printing screen area a good stability having. This way the printing can be done Zones of the screen optimally to the needs, eg. B. in terms the print resolution, be tuned.
  • the separation into printing color permeable Zones and opaque dead zones also provide the advantage that several colors next to each other in one Printing process can be printed.
  • the rotary screen printing cylinder according to the invention can also be particularly advantageous in Securities printing find use. Especially at the It is often necessary to produce individual banknotes spaced apart paper areas with special colors, the z. B. with fluorescence, magnetic materials or iridescent pigments are added to print. According to the invention, for the application these different color areas a single Printing cylinder can be used. For this purpose, the Pressure cylinder divided into several color-permeable zones, which by appropriately designed over the entire Cylinder circumference colorless dead zones are separated. The color-permeable zones are ever patterned according to the desired image and then brought into contact with the respective color.
  • Paints or adhesives printed in a particular pattern become. So it would be z. B. conceivable, one or more Effect colors and a localized paint or Adhesive layer in a printing process on the security paper applied. In the area of the adhesive layer could then be another security element, such as A hologram or an interference layer element, be attached.
  • Fig. 1 shows a security 10, z. B. a banknote from security paper, which has several security features 1, 2, 3.
  • these are printed features that are screen printed were applied.
  • the inks used are not limited subjected and can in addition to color pigments Feature substances, such as fluorescent or magnetic pigments, contained or merely in a binder dispersed or dissolved feature substances. Also conceivable are iridescent interference layer pigments, the one striking viewing angle-dependent Show color effect.
  • the security feature 3 on the other hand can be a multilayer element, like a hologram or a coated plastic shop, that is with the help of a glue or varnish layer on the safety paper film is attached.
  • that can Security paper, of course, further security features, such as B. an embedded security thread or the like.
  • Fig. 2 illustrates the principle of screen printing when using rotary Siebdruckzylindem.
  • the screen-printing cylinder 4 is only in the range the print pattern to be transferred permeable to color, while the remaining part of the sieve is impermeable to ink is.
  • a squeegee 5 fastened, which is generally made of a wood or metal bar 6 is made; in the axial direction of the Pressure cylinder 4 extends and at which in radial Direction a rubber or plastic strip, the actual Doctor element 7 is attached.
  • the rake item 7 also pushes the inside of the impression cylinder 4 introduced color 8 through the permeable Openings in the cylinder 4.
  • the Chamber doctor blade 12 consists of two rubber or plastic lips 13, 14, on the inside of the screen printing cylinder 4 abut and the color 8 through the screen openings press.
  • the opposite ends of the Lips 13, 14 are sealed with a housing 15, in which the color 8 via a valve 16 electronically regulated is pumped.
  • Fig. 4 shows schematically a patterned not according to the invention Rotary screen-printing cylinder 20 in Top view, with which the inks for the in Fig. 1 shown areas 1, 2 and for the adhesive layer of the Elements 3 applied in a single printing process can be.
  • the cylindrical lateral surface 21st is in the color-permeable along the axis of rotation a or at least partially color-permeable zones 22 and arranged between these opaque Totzonen 23 divided, each rotationally symmetrical extend over the mantle surface.
  • These zones 22, 23 are defined solely by their presence or absence of color-permeable Openings in the cylinder jacket 21.
  • the dashed lines 24 are therefore for illustrative purposes only and are not present on the printing cylinder 20.
  • the color-permeable openings in the areas 25 represent the actual sieve, there only by you can get the color on the substrate.
  • the color-permeable openings can be on different Ways arise.
  • the screen cylinder 21 a compact, d. H. not yet perforated Plastic, metal or sheet metal material, used into that by means of an electronically controlled laser the desired openings are introduced.
  • the dead zones 23 consist of non-perforated Solid material, the impression cylinder 20 a gives sufficient strength, so that no additional Reinforcement elements in this area necessary are.
  • the impression cylinder 20 by means of etching techniques or electroplated becomes.
  • etching z. B a sheet with a acid-resistant coating that covers all areas covering up to the screen openings to be produced. Subsequently, the coated sheet is in a Caustic liquid brought to the exposed uncoated metal surfaces attacks and dissolves.
  • a regular mesh preferably made Metal wires are used.
  • the mesh opening is usually about 1.5 to 2.5 times the Wire diameter.
  • Fig. 5 shows a printing cylinder 30, the lateral surface of a regular mesh exists, for the sake of clarity not shown.
  • the cylinder jacket 31 is also along the axis of rotation a in color-permeable Zones 32 and opaque dead zones 33 divided. The zone boundaries are replaced by the dashed lines 34 indicated.
  • the dead zones 33 which also openings in this embodiment exhibit, to increase the stability inside the printing cylinder 30 with reinforcing elements, here reinforcing rings 35, provided. These can be direct be incorporated or glued in the material.
  • the cylinder jacket 31 becomes the entire cylinder 31 coated with photo emulsion and in the zones 32 at least partially exposed. The exposed areas are finally washed away, so that to this Make the mesh exposed and permeable to color becomes.
  • FIG. shows a longitudinal section through two flanged together Rotary screen-printing cylinder 40, 50 according to the invention.
  • the pressure cylinder 40, 50 On the printing unit facing Side, the pressure cylinder 40, 50, the usual End pieces 41 and 42, which for the connection provide for the drive system 43 of the printing unit.
  • These Elements 41, 42 are of course also in the present embodiments described above, even if they are not shown in the figures.
  • the opposite ends of the screen cylinder 40, 50th are provided with flange 44, over which the impression cylinders 40, 50 are connected to each other.
  • the flange 44 may possibly this equipped with a sealing ring or a guide groove to be a register-accurate merge to ensure the impression cylinder.
  • Pressure cylinders 40, 50 can further as needed Pressure cylinders are arranged, the two sides with Flange elements 44 are provided, and so in axial Direction with the pressure cylinders 40, 50 are connected can.
  • the squeegee consists in this case of a all printing cylinders 40, 50 common doctor rod 46, in the region of the individual pressure cylinders 40, 50 provided with the actual doctor elements 47, which ensure the ink transfer to the substrate.
  • the same squeegee arrangement can of course in the embodiment described with reference to FIG. 5 be used.
  • the counter pressure roller 48 is usefully over the entire printing width run. In the flange zone, this can be done from single sieves 40, 50 existing pressure screen in Printing unit supported by support rollers.
  • flange elements which is a simple can enable releasable connection, at any Make others less easy or not at all releasable fasteners are used. So is for example, it is conceivable, one or more of the individual pressure cylinder with different tails too Mistake. For example, should 2 of 4 Einzeleldruckzylindem inseparable, so can be a one-piece connector between these be provided while the fasteners possibly to the remaining two single cylinders are formed as flange elements. In this Case, the connection of the first two sieve elements, through the one-piece connector usefully before the sampling the sieves, as the one-piece fastener both seven as stabilizing Tail serves.
  • the invention also makes it possible to have several To print in parallel colors, if the color-permeable Zones each in a different color in contact to be brought. This is of course on it to make sure that the different inks themselves do not mix. Unless in the non-printing dead zones Reinforcing elements, such as reinforcing rings or Flange elements are introduced, they can at the same time act as a color divider. In the embodiments According to Fig. 5 and 6, it is therefore easy possible to form separate sieve chambers, in which the color z. B. by means of separate electrical Pumping systems can be introduced.
  • the invention is also good everywhere use where colors are very fine and over wide latitudes be printed, such as in the printing of Plastic films, which are then in narrow bands cut with a width in the range of a few mm and embedded as security threads in security paper become. Such threads very often have one Micro lettering on, at appropriate intervals be legibly printed on the wide film web got to. So far, this was only possible in gravure, given the the complicated and expensive printing plate production the cost of production increased.
  • the invention can of course when printing security documents made of plastic, such. B. ID cards, use.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Screen Printers (AREA)
  • Pens And Brushes (AREA)
  • Printing Methods (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Manufacture Or Reproduction Of Printing Formes (AREA)
  • Printing Plates And Materials Therefor (AREA)
  • Rolls And Other Rotary Bodies (AREA)
  • Rotary Presses (AREA)
  • Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
  • Overhead Projectors And Projection Screens (AREA)
  • Road Signs Or Road Markings (AREA)
  • Massaging Devices (AREA)
  • Display Devices Of Pinball Game Machines (AREA)
EP95930448A 1994-08-12 1995-08-11 Rotations-siebdruckzylinder und seine verwendung Expired - Lifetime EP0723498B2 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SI9530371T SI0723498T1 (en) 1994-08-12 1995-08-11 Rotary screen printing cylinder and its use

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE4428670 1994-08-12
DE4428670A DE4428670B4 (de) 1994-08-12 1994-08-12 Rotations-Siebdruckzylinder
PCT/EP1995/003199 WO1996005058A1 (de) 1994-08-12 1995-08-11 Rotations-siebdruckzylinder und seine verwendung

Publications (3)

Publication Number Publication Date
EP0723498A1 EP0723498A1 (de) 1996-07-31
EP0723498B1 EP0723498B1 (de) 2000-03-22
EP0723498B2 true EP0723498B2 (de) 2005-10-19

Family

ID=6525587

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95930448A Expired - Lifetime EP0723498B2 (de) 1994-08-12 1995-08-11 Rotations-siebdruckzylinder und seine verwendung

Country Status (11)

Country Link
US (1) US6155165A (fi)
EP (1) EP0723498B2 (fi)
AT (1) ATE190909T1 (fi)
DE (2) DE4428670B4 (fi)
DK (1) DK0723498T3 (fi)
ES (1) ES2143066T3 (fi)
FI (1) FI116371B (fi)
GR (1) GR3033483T3 (fi)
NO (1) NO310449B1 (fi)
PT (1) PT723498E (fi)
WO (1) WO1996005058A1 (fi)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19819571A1 (de) 1998-04-30 1999-11-04 Giesecke & Devrient Gmbh Wertdokument mit Sicherheitselement
DE20116246U1 (de) * 2001-10-04 2002-03-28 Textilma Ag, Hergiswil Rotations-Siebdruckvorrichtung für textile Flächengebilde
JP5069896B2 (ja) * 2006-10-23 2012-11-07 株式会社小森コーポレーション 液体供給装置
JP4969362B2 (ja) * 2007-08-06 2012-07-04 株式会社小森コーポレーション 液体供給装置
DE102011105739A1 (de) 2011-06-24 2012-12-27 Baumer Hhs Gmbh Verfahren zur Herstellung von Selbstklebeetiketten und dazu gehörige Vorrichtung
US11465405B2 (en) * 2013-04-10 2022-10-11 Voith Patent Gmbh Device for generating a pattern on a clothing for a machine for manufacturing a web material
WO2017106098A1 (en) * 2015-12-18 2017-06-22 3M Innovative Properties Company Process for depositing dry powder particles onto a substrate and attaching the particles to the substrate
EP3390062A4 (en) 2015-12-18 2019-08-07 3M Innovative Properties Company METHOD FOR THE DEPOSITION OF DRY POWDERS ON A SUBSTRATE AND FOR THE GLUING OF THE PARTICLES WITH THE SUBSTRATE
CN111688338A (zh) * 2020-04-03 2020-09-22 绍兴永通印花有限公司 异花同步双幅印花机
CN113910759B (zh) * 2021-10-12 2023-04-25 普宁市南鹰科技实业有限公司 一种圆网印花用控温印花系统

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2287122A (en) † 1940-08-03 1942-06-23 Edward O Norris Inc Process of producing endless foraminous sheet-metal bands
US3981237A (en) † 1973-02-21 1976-09-21 Rhodes John M Plastic rotary printing screens construction method therefor
US4401520A (en) † 1980-03-22 1983-08-30 Hoechst Aktiengesellschaft Process for the preparation of screen printing stencils by an electroplating method
US4497249A (en) † 1981-07-17 1985-02-05 Mathias Mitter Arrangement for preventing screen deformation

Family Cites Families (13)

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Publication number Priority date Publication date Assignee Title
US2613595A (en) * 1950-01-05 1952-10-14 Multiscreen Corp Revolving multiple color screen process printing table
DE973614C (de) * 1955-06-07 1960-04-14 Buender Glas Gmbh Bedruckungseinrichtung nach dem Siebdruckverfahren fuer rotationssymmetrische Gegenstaende
US3892176A (en) * 1966-02-04 1975-07-01 Konishiroku Photo Ind Rotary screen tensioner for single sided drive
US3408984A (en) * 1967-10-25 1968-11-05 Tension Envelope Corp Closed system adhesive applicator
DE1912773A1 (de) * 1969-03-13 1970-10-01 Freudenberg Carl Fa Vorrichtung zum Aufbringen oertlich begrenzter Bindemittelmengen auf Bahnen
US3902414A (en) * 1970-10-01 1975-09-02 Peter Zimmer Screen printer using vibration to improve ink penetration
GB2050104A (en) * 1979-05-18 1980-12-31 Cons Group Screen-printing screen and methods of use and manufacture thereof
US4379185A (en) * 1981-02-13 1983-04-05 American Biltrite, Inc. Method for manufacture of inlaid vinyl-flooring
DE3137763A1 (de) * 1981-09-23 1983-04-14 Mathias 4815 Schloss Holte Mitter "siebzylinder zur aufbringung von fluessigkeiten enthaltenden auftragsmassen auf flaechige waren, z.b. warenbahnen od.dgl."
JPH0784085B2 (ja) * 1986-05-15 1995-09-13 セイキ工業株式会社 輪転謄写機用版胴
GB8727613D0 (en) * 1987-11-25 1987-12-31 Zed Instr Ltd Moving support
US4843963A (en) * 1988-01-07 1989-07-04 Hoeflein Harry E Silk screen printing frame and associated method
NL8801218A (nl) * 1988-04-16 1989-11-16 Stork X Cel Bv Werkwijze en inrichting voor het voor drukken gereedmaken van een rotatiezeefdrukschabloon.

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2287122A (en) † 1940-08-03 1942-06-23 Edward O Norris Inc Process of producing endless foraminous sheet-metal bands
US3981237A (en) † 1973-02-21 1976-09-21 Rhodes John M Plastic rotary printing screens construction method therefor
US4401520A (en) † 1980-03-22 1983-08-30 Hoechst Aktiengesellschaft Process for the preparation of screen printing stencils by an electroplating method
US4497249A (en) † 1981-07-17 1985-02-05 Mathias Mitter Arrangement for preventing screen deformation

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
"The Thames and Hudson Manual of Textile Printing", Joyce Storey, 1974, Nachdruck 1979, Seiten 138-145 †
Katalog V "Schablonen Herstellung und Dessinierung", Maschinenfabrik Peter Zimmer, Kufstein, Seiten 0-14 †

Also Published As

Publication number Publication date
EP0723498A1 (de) 1996-07-31
DK0723498T3 (da) 2000-07-17
ES2143066T3 (es) 2000-05-01
US6155165A (en) 2000-12-05
FI961614A (fi) 1996-04-12
DE59508058D1 (de) 2000-04-27
NO961437D0 (no) 1996-04-11
FI116371B (fi) 2005-11-15
GR3033483T3 (en) 2000-09-29
EP0723498B1 (de) 2000-03-22
DE4428670B4 (de) 2004-04-01
NO961437L (no) 1996-06-11
NO310449B1 (no) 2001-07-09
ATE190909T1 (de) 2000-04-15
PT723498E (pt) 2000-09-29
DE4428670A1 (de) 1996-02-15
FI961614A0 (fi) 1996-04-12
WO1996005058A1 (de) 1996-02-22

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