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
  • B41C1/02—Engraving; Heads therefor
  • B41C1/04—Engraving; Heads therefor using heads controlled by an electric information signal
  • B41C1/05—Heat-generating engraving heads, e.g. laser beam, electron beam
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
  • B41N—PRINTING PLATES OR FOILS; MATERIALS FOR SURFACES USED IN PRINTING MACHINES FOR PRINTING, INKING, DAMPING, OR THE LIKE; PREPARING SUCH SURFACES FOR USE AND CONSERVING THEM
  • B41N1/00—Printing plates or foils; Materials therefor
  • B41N1/04—Printing plates or foils; Materials therefor metallic
  • B41N1/06—Printing plates or foils; Materials therefor metallic for relief printing or intaglio printing
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
  • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
  • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
  • B41M5/24—Ablative recording, e.g. by burning marks; Spark recording

Definitions

• the invention relates to a printing block for the indirect Gravure or pad printing process, which is the engraving cliché having a support and one on the support has intended cover layer.
• the invention relates also a method for producing such Printing clichés and an inventive use of the Printing plates.
• the invention is therefore based on the object To provide printing cliché which is simple and can be manufactured in an environmentally friendly manner and with the high Editions can be printed.
• This task is at the beginning of a printing cliché mentioned type according to the invention solved in that the Top layer is a laser-compatible lacquer.
• the engraving not directly into the metal using a laser existing carrier introduced but in the on the Carrier provided top layer, which is a laser Paint is.
• the invention Local printing clichés i.e. at the customer and even can be produced within the printing press on demand (DE 199 37 555 A1).
• the required printing cliché can be found in produced in a few seconds in an environmentally friendly manner with the printing cliché both small and high Editions are printed.
• the manufacturing cost of the invention Printing clichés are much lower, because of complex photochemical processes that are not only material but are also time consuming, can be dispensed with.
• the carrier is preferably a metal block or a Metal foil, being semi-hard or hard metal foils are particularly suitable. Such films nestle particularly good at cliché recordings and these Metal foils can be manufactured very precisely.
• the carrier a thickness of 0.1 mm to 10 mm, in particular 0.1 mm up to 0.5 mm.
• the paint preferably has one Thickness from 0.05 mm to 0.5 mm, in particular from 0.1 mm to 0.3 mm.
• Such printing blocks can be used as Individual cliché or as a cliché tape.
• the paint a one-component or multi-component paint. It can the varnish may have additives, such as primers, Hardener, thinner, surface relaxer, deaerator, Defoamers, viscosity influencers or thixotropy influencers. Paints with additives can be used in their Property can be set so that with them optimal Results such as surface quality, surface flatness, Laser engraving properties, color resistance, etc. achieved become.
• additives such as primers, Hardener, thinner, surface relaxer, deaerator, Defoamers, viscosity influencers or thixotropy influencers. Paints with additives can be used in their Property can be set so that with them optimal Results such as surface quality, surface flatness, Laser engraving properties, color resistance, etc. achieved become.
• the depth of the Laser engraving is less than the thickness of the lacquer layer. This has the advantage that the material of the carrier is different from the Engraving is completely unaffected.
• the depth of the laser engraving is greater than that in some areas Thickness of the paint layer. This means that in areas of Engraving the engraving penetrates the carrier. Although there molten metal thrown up, but the burr raised from the molten metal disadvantageous. In addition, if necessary, depth-variable engravings for corresponding images become. As already mentioned, there is a possible ridge not in contact with the squeegee.
• the lacquer layer is preferably solvent-resistant. This creates the possibility that the Cliché cleaned after use of the printing ink and for Can be discarded for reuse.
• the carrier preferably consists of plastic, aluminum, Steel, copper or a copper alloy.
• the Carrier be ferromagnetic or non-magnetic.
• the above task also involves a process solved for the production of a printing plate, in which means laser engraving into the lacquer layer becomes.
• a printing plate in which means laser engraving into the lacquer layer becomes.
• the task mentioned at the outset is also achieved by the Use of a printing plate according to the invention with the Features of one or more claims according to the invention resolved that the cliché for the indirect Gravure or pad printing processes, especially with a closed color system is used. Since at If there is no burr when lasers are used, the invention is suitable Printing cliché especially with the closed color system, at which is the ink cup open from the bottom of a squeegee is surrounded and sits on the cliché.

Landscapes

• Engineering & Computer Science (AREA)
• Physics & Mathematics (AREA)
• Optics & Photonics (AREA)
• Plasma & Fusion (AREA)
• Manufacturing & Machinery (AREA)
• Printing Plates And Materials Therefor (AREA)
• Manufacture Or Reproduction Of Printing Formes (AREA)

Applications Claiming Priority (2)

Publications (1)

Family

ID=7648524

Family Applications (1)

Country Status (2)

Cited By (4)

Citations (6)

Family Cites Families (4)

• 2000
  • 2000-07-11 DE DE10033629A patent/DE10033629B4/de not_active Expired - Fee Related
• 2001
  • 2001-03-20 EP EP01106865A patent/EP1172227A1/fr not_active Withdrawn

Patent Citations (6)

Non-Patent Citations (2)

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