EP0781202B1 - Siebdruck-lochmuster - Google Patents
Siebdruck-lochmuster Download PDFInfo
- Publication number
- EP0781202B1 EP0781202B1 EP96921856A EP96921856A EP0781202B1 EP 0781202 B1 EP0781202 B1 EP 0781202B1 EP 96921856 A EP96921856 A EP 96921856A EP 96921856 A EP96921856 A EP 96921856A EP 0781202 B1 EP0781202 B1 EP 0781202B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- holes
- printing
- hole pattern
- perforations
- hole
- 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
Links
Images
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
Definitions
- the present invention relates to a hole pattern, in particular suitable for perforated screen printing stencils both in Rotary printing as well as flat printing.
- Hole pattern templates are used in particular in the Textile printing industry, for example for printing on fabrics by means of so-called rotary screen printing or flat printing. Such hole patterns are also used for the production of integrated circuits for electronic engraving purposes for the production of printing cylinders and for etching of glass.
- a screen-printed hole pattern according to the Proposed wording according to claim 1.
- the hole pattern proposed according to the invention draws is characterized in that the individual perforations are elongated are, the directions of the longitudinal dimensions at least part of the holes angled to each other run. Furthermore, three holes always form one Punch unit, with the longitudinal center lines of each of the three perforations form at least almost an equilateral triangle.
- the hole pattern 1 consists of perforations or individual holes 2, 3 and 4, which by spaces or web-like strips are separated from each other.
- Perforations which are usually circular, square or are hexagonal, are now the inventive Perforations elongated, as preferred rhomboid or diamond-like.
- diamonds or rhombuses are equilateral parallelograms, the according to the invention rhomboidal perforations an acute angle of 60 ° and accordingly an obtuse angle of 120 °.
- the hole pattern shown in Fig. 1 is particularly suitable as a template for rotary cylinders or for cylindrical ones Stencils for printing on fabrics or panels.
- the dye or media to use for printing is placed inside the rotating cylinder and through the hole pattern, for example by means of a Doctor blade, driven or pressed onto the material to be coated.
- printing on the fabric or the fabric panels results thus, depending on how the rotation of the cylinder continuous, directional printing of the fabric, by continuously punching in a direction of the ink or the liquid print medium are permeated.
- this printing direction is caused by the movement of the squeegee, the material being moved gradually along the flat stencil is moved, each When the fabric web is at a standstill, the printing template against the Fabric is pressed.
- This allows a printing direction for the hole pattern used define that either by the direction of rotation of the printing cylinder or by the direction of movement of the squeegee with flat stencils.
- Fig. 1 is a direction of the progressive printing designated by means of the hole pattern 1 with B.
- the rotation in the direction of rotation shown enables by use the one in hole pattern 1 with the reference numbers 4 or 14 designated perforations, extremely fine lines or in connection with perforations, labeled 2 and 3 or 12 and 13, or parts thereof to create sharp pattern boundaries.
- the repeat hole pattern or the defined according to the invention Hole unit A comprising holes 2, 3 and 4 and 12, 13 respectively and 14, enables a much more precise alignment of the Pattern perforations compared to known pattern perforations because during the engraving process, at least per repeated perforation unit there are three reference points. These three reference points can, as mentioned above, either completely exposed through the color during printing will be or partially covered. This can do that Print fine lines or pattern boundaries with the largest Accuracy can be achieved by printing each free penetrable perforated area of each perforated unit varies can be.
- Another advantage of the perforations according to the invention proposed hole pattern when printing in the direction C. in the possibility of achieving so-called "halftone" effects, which is achieved by having some or all of the perforations partially covered by a part of perforation units and that a color separation and a separate stencil be used.
- This benefit is further enhanced by printing reinforced by individual points, if necessary with a partial coverage of the respective perforations at precisely defined Set so that by converging or overlapping different print media of immediately adjacent color dots Halftone effects can arise perfectly.
- the hole pattern 1 shown in Fig. 1 is not limited to any one Thickness, fineness or type of production of the template are limited.
- the template can be used to produce various results and effects of the printed product and depending on the respective printing technology or other applications (e.g. Engraving) can be selected differently.
- the perforated patterns are arranged on the screen printing cylinders in such a way that the main direction of the hole pattern, in Fig. 1 indicated by arrow direction C, not at right angles to the cylinder axis runs, but at an angle to it, so that fine lines are printed as continuously as possible.
- This Angled arrangement is called a "mesh pitch angle "(pitch angle of the hole pattern) This moves from the prior art Angles in a range of ⁇ 15 ° or 30 °. In the inventive Hole pattern, this angle is less than 5 °, preferably 0.9 °, which is a technically much flawless Pressure results.
- This mesh pitch angle also hits for screen printing stencils for planographic printing, whereby here the Angle between the main direction of the hole pattern and the direction of movement of the squeegee defined as a mesh pitch angle is. If textile fabrics are printed, the weft threads can parallel to the axis of rotation of the printing cylinder or to the direction of movement of the squeegee and it's obvious that for reasons of printing technology here too Angle must be present. The same angle obviously hits even when engraving printing rollers with any Technology too, e.g. when laser engraving.
- FIG. 2 shows an enlarged detail A from FIG. 1, representing a perforated unit, consisting of the perforations 12, 13 and 14.
- the color circular areas of the known ones are superimposed subtractive color mixing.
- O denotes the color orange, i.e. the mixed color of the basic tones yellow and red
- V the color purple as a mixed color of the basic tones red and blue
- G the color green as a mixed color of the basic tones blue and yellow.
- B stands for black.
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Printing Plates And Materials Therefor (AREA)
- Manufacture Or Reproduction Of Printing Formes (AREA)
- Coloring (AREA)
- Printing Methods (AREA)
- Credit Cards Or The Like (AREA)
Description
- Fig. 1
- eine Ausführungsvariante eines erfindungsgemäss ausgebildeten Siebdruck-Lochmusters und
- Fig. 2
- ausschnittsweise und in Vergrösserung eine Lochmustereinheit, umfassend drei Lochungen aus dem Lochmuster gemäss Fig. 1.
Claims (8)
- Siebdruck-Lochmuster, gekennzeichnet durch längsausgedehnte Lochungen (2, 3, 4; 12, 13, 14), wobei die Richtungen der Längsausdehnung mindestens eines Teils der Lochungen zueinander angewinkelt verlaufen, gekennzeichnet durch Locheinheiten, je bestehend aus drei Lochungen (2, 3, 4; 12, 13, 14), wobei die Längsmittellinien je der drei Lochungen wenigstens nahezu ein gleichseitiges Dreieck bilden.
- Lochmuster nach Anspruch 1, dadurch gekennzeichnet, dass die Lochungen parallelogrammartig ausgebildet sind.
- Lochmuster nach einem der Ansprüche 1 oder 2, dadurch gekennzeichnet, dass mindestens ein Teil der Lochungen in bezug auf ihre Längsmittelachse symmetrisch ausgebildet ist.
- Lochmuster nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass wenigstens ein Teil der Lochungen (2, 3, 4; 12, 13, 14), wenigstens nahezu rauten- bzw. rhombenartig ausgebildet ist, mit einem spitzen Winkel von 60°.
- Lochmuster nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass die einzelnen Lochungen je voneinander durch steg- oder bandartige Abschnitte (5) getrennt bzw. beabstandet sind.
- Siebdruckschablone mit einem Lochmuster nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass die Lochungen einer jeweiligen Locheinheit derart angeordnet sind, dass die Längsmittellinien eines Teils der Lochungen relativ zur Richtung der fortschreitenden Durchdringung der Lochungen mittels der Druckfarbe bzw. des Druckmediums während des Betriebes der Siebdruckschablone mit der genannten Richtung einen mindestens annähernd rechten Winkel einschliessen und die Längsmittellinien der restlichen Lochungen schiefwinklig zur genannten Richtung verlaufen, derart, dass zur Erzielung unterschiedlicher Druckeffekte die Siebdruckschablone für einen gegebenen Betrieb derart eingesetzt werden kann, dass der eine Teil von Lochungen in Richtung der fortschreitenden Durchdringung relativ zu den anderen Lochungen vorlaufend oder nachlaufend angeordnet ist.
- Siebdruckschablone nach Anspruch 6, dadurch gekennzeichnet, dass das Lochmuster mit einem Steigungswinkel (β) von weniger als 5° angeordnet ist.
- Siebdruckschablone nach einem der Ansprüche 6 oder 7, dadurch gekennzeichnet, dass das Lochmuster mit einem Steigungswinkel (β) von ca. 0,9° angeordnet ist.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19526046A DE19526046A1 (de) | 1995-07-17 | 1995-07-17 | Siebdruck-Lochmuster |
DE19526046 | 1995-07-17 | ||
PCT/CH1996/000258 WO1997003830A1 (de) | 1995-07-17 | 1996-07-16 | Siebdruck-lochmuster |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0781202A1 EP0781202A1 (de) | 1997-07-02 |
EP0781202B1 true EP0781202B1 (de) | 1999-04-28 |
Family
ID=7767059
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP96921856A Expired - Lifetime EP0781202B1 (de) | 1995-07-17 | 1996-07-16 | Siebdruck-lochmuster |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0781202B1 (de) |
AT (1) | ATE179369T1 (de) |
DE (2) | DE19526046A1 (de) |
TR (1) | TR199700207T1 (de) |
WO (1) | WO1997003830A1 (de) |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2188501A5 (de) * | 1972-06-05 | 1974-01-18 | Auclair Georges | |
CH603361A5 (de) * | 1975-11-10 | 1978-08-15 | Iten K Ag | |
IN155834B (de) * | 1976-10-05 | 1985-03-16 | Iten K Ag |
-
1995
- 1995-07-17 DE DE19526046A patent/DE19526046A1/de not_active Withdrawn
-
1996
- 1996-07-16 DE DE59601767T patent/DE59601767D1/de not_active Expired - Fee Related
- 1996-07-16 WO PCT/CH1996/000258 patent/WO1997003830A1/de active IP Right Grant
- 1996-07-16 AT AT96921856T patent/ATE179369T1/de not_active IP Right Cessation
- 1996-07-16 TR TR97/00207T patent/TR199700207T1/xx unknown
- 1996-07-16 EP EP96921856A patent/EP0781202B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
WO1997003830A1 (de) | 1997-02-06 |
DE59601767D1 (de) | 1999-06-02 |
DE19526046A1 (de) | 1997-01-23 |
TR199700207T1 (tr) | 1997-05-21 |
ATE179369T1 (de) | 1999-05-15 |
EP0781202A1 (de) | 1997-07-02 |
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