EP0384104A1 - Verfahren zur Herstellung von Kunststoffzylindern zum Drucken, insbesondere zum Rakeltiefdruck und Flexodruck und der so erhaltene Zylinder - Google Patents
Verfahren zur Herstellung von Kunststoffzylindern zum Drucken, insbesondere zum Rakeltiefdruck und Flexodruck und der so erhaltene Zylinder Download PDFInfo
- Publication number
- EP0384104A1 EP0384104A1 EP90100253A EP90100253A EP0384104A1 EP 0384104 A1 EP0384104 A1 EP 0384104A1 EP 90100253 A EP90100253 A EP 90100253A EP 90100253 A EP90100253 A EP 90100253A EP 0384104 A1 EP0384104 A1 EP 0384104A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- coating
- electro
- advantageously
- making
- applying
- 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.)
- Granted
Links
- 239000004033 plastic Substances 0.000 title claims abstract description 13
- 229920003023 plastic Polymers 0.000 title claims abstract description 13
- 238000007639 printing Methods 0.000 title claims description 8
- 238000007647 flexography Methods 0.000 title claims description 5
- 238000004519 manufacturing process Methods 0.000 title claims description 5
- 239000000463 material Substances 0.000 claims abstract description 19
- 238000000034 method Methods 0.000 claims abstract description 18
- 239000011248 coating agent Substances 0.000 claims abstract description 12
- 238000000576 coating method Methods 0.000 claims abstract description 12
- 229920002635 polyurethane Polymers 0.000 claims abstract description 7
- 239000004814 polyurethane Substances 0.000 claims abstract description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229910052802 copper Inorganic materials 0.000 claims abstract description 4
- 239000010949 copper Substances 0.000 claims abstract description 4
- 239000003822 epoxy resin Substances 0.000 claims abstract description 4
- 239000004744 fabric Substances 0.000 claims abstract description 4
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 3
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 3
- 239000011521 glass Substances 0.000 claims abstract description 3
- 239000007769 metal material Substances 0.000 claims abstract description 3
- 238000010276 construction Methods 0.000 claims description 2
- 238000000465 moulding Methods 0.000 claims 1
- 239000002344 surface layer Substances 0.000 claims 1
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 239000012948 isocyanate Substances 0.000 description 1
- 150000002513 isocyanates Chemical class 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 229920005862 polyol Polymers 0.000 description 1
- 150000003077 polyols Chemical class 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
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
- B41C1/18—Curved printing formes or printing cylinders
-
- 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
- B41N1/16—Curved printing plates, especially cylinders
- B41N1/22—Curved printing plates, especially cylinders made of other substances
Definitions
- This industrial invention patent relates to a method for producing plastics cylinders for printing in general, and in particular rotogravure and flexography.
- the patent also relates to the cylinder obtained by said method.
- An object of the present invention is to provide a method for producing cylinders for printing in general, and in particular rotogravure and flexography, which is very simple to implement using any suitable apparatus.
- a further object is to provide a method of the aforesaid type which enables plastics printing cylinders to be produced which are of maximum reliability and low weight, so that they can be easily handled and stored.
- a further object is to provide a method which enables a plastics printing cylinder to be produced, the diameter of which can be varied at will during its production, without encountering particular difficulty.
- the method of the invention consists essentially of (a) preparing an inner cylindrical tube of self-supporting rigid material, advantageously epoxy resin reinforced with glass or carbon filament or fabric, (b) coating said cylindrical tube with an expanded plastics material, advantageously rigid polyurethane, (c) making the outer surface of said coating perfectly smooth, (d) making said outer smooth surface of the expanded material electro-conductive by applying metallic materials in any manner, and (e) making said electro-conductive surface engravable, advantageously by applying electroplated copper or applying engravable photopolymer materials.
- a glass fibre fabric or yarn impregnated with epoxy resin is wound about a perfectly cylindrical steel mandrel having a ground, lapped and chromium-plated surface, until a thickness of between 1.5 and 2 mm is obtained.
- the structure is then polymerized in conventional manner at a temperature of between 80°C and 120°C.
- the resultant tube is then mounted on the central shaft of a casting mould consisting of a cylinder in which said shaft is centrally positioned and which has its inner surface perfectly ground and lapped.
- the mould is tightly closed and a quantity of polyurethane is introduced such that the final expanded product will have a density of 0,480 kg/dm3, said polyurethan being prepared by mixing isocyanate and polyol in stoichiometric proportion in a mixing machine.
- Both the components and the mould are temperature-controlled at 20-35°C, and preferably at 30°C.
- the structure obtained can be made electrically conductive by applying a silver or nickel-based paint by spray or brush to a thickness of 200 ⁇ c. Copper is then applied in an electroplating tank to a thickness sufficient to enable the required engraving of the cylinder surface to be effected, this thickness being advantageously 500 ⁇ C.
- the thickness of the expanded polyurethane layer can be varied according to requirements without varying the dimensions of the internal tube, to enable cylinders of variable outer diameter to be mounted on the same standard support shaft.
Landscapes
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Printing Plates And Materials Therefor (AREA)
- Printing Methods (AREA)
- Ink Jet (AREA)
- Inking, Control Or Cleaning Of Printing Machines (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Laminated Bodies (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT1954189 | 1989-02-23 | ||
| IT8919541A IT1228855B (it) | 1989-02-23 | 1989-02-23 | Procedimento per l'ottenimento di cilindri in materiale plastico per stampa in genere, in particolare rotocalco e flessografia, e cilindro cosi' ottenuto. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0384104A1 true EP0384104A1 (de) | 1990-08-29 |
| EP0384104B1 EP0384104B1 (de) | 1994-09-21 |
Family
ID=11158901
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP90100253A Expired - Lifetime EP0384104B1 (de) | 1989-02-23 | 1990-01-08 | Verfahren zur Herstellung von Kunststoffzylindern zum Drucken, insbesondere zum Rakeltiefdruck und Flexodruck und der so erhaltene Zylinder |
Country Status (9)
| Country | Link |
|---|---|
| EP (1) | EP0384104B1 (de) |
| JP (1) | JPH02248291A (de) |
| AT (1) | ATE111805T1 (de) |
| AU (1) | AU622809B2 (de) |
| CA (1) | CA2009087A1 (de) |
| DE (1) | DE69012605T2 (de) |
| DK (1) | DK0384104T3 (de) |
| ES (1) | ES2063170T3 (de) |
| IT (1) | IT1228855B (de) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4133903A1 (de) * | 1991-09-25 | 1993-04-08 | Escher Wyss Ag | Formzylinder einer rotationsdruckmaschine |
| ES2059222A1 (es) * | 1991-07-01 | 1994-11-01 | Nacional Moneda Timbre | Mejoras introducidas en sistemas de reproduccion de grabados originales. |
| EP0787597A3 (de) * | 1996-01-31 | 1998-01-07 | POLYWEST KUNSTSTOFFTECHNIK Saueressig & Partner GmbH & Co. KG | Hülse für eine Tiefdruckwalze, Verfahren zu ihrer Herstellung und Arbeitsverfahren der Vorrichtung zur Herstellung |
| WO1998007579A1 (de) * | 1996-08-21 | 1998-02-26 | Schepers Druckformtechnik Gmbh | Druckwalze oder -zylinder mit einem kern aus metall oder kunststoff und verfahren zur herstellung derselben bzw. desselben |
| WO2000059727A1 (en) * | 1999-04-07 | 2000-10-12 | Hyperlast Limited | Improved gravure printing rollers |
| WO2003047873A3 (en) * | 2001-11-28 | 2003-10-30 | Starbase Ag | Printing cylinder manufacture |
| EP1543962A1 (de) * | 2003-12-19 | 2005-06-22 | FISCHER & KRECKE GMBH & CO. | Tiefdruckzylinder |
| WO2009124541A1 (de) * | 2008-04-07 | 2009-10-15 | Sächsische Walzengravur GmbH | Tiefdruck- oder prägeform als sleeve oder zylinder |
| EP2202084A1 (de) * | 2008-12-22 | 2010-06-30 | Müller Martini Holding AG | Walze für eine Druckmaschine, Druckmaschine mit der Walze sowie Verfahren zum Herstellen der Walze |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1275901B1 (it) * | 1995-03-14 | 1997-10-24 | Rossini Erminio Spa | Manica doppia concentrica per cilindro da stampa rotativa |
| IT1277167B1 (it) * | 1995-03-20 | 1997-11-05 | Rossini Erminio Spa | Perfezionamenti ai mandrini deformabili per cilindri da stampa rotativa |
| DE19545597C2 (de) * | 1995-12-06 | 1999-01-07 | Polywest Kunststofftechnik | Verfahren zur Herstellung einer Hülse für Druck- oder Rasterwalzen |
| US5819657A (en) * | 1996-03-11 | 1998-10-13 | Ermino Rossini, Spa | Air carrier spacer sleeve for a printing cylinder |
| JPWO2007132734A1 (ja) * | 2006-05-11 | 2009-09-24 | 株式会社シンク・ラボラトリー | グラビア製版ロール及びその製造方法 |
| DE102009007678B4 (de) | 2009-02-03 | 2010-12-16 | Sächsische Walzengravur GmbH | Hülse als Tiefdruckform |
| DE102009010081A1 (de) | 2009-02-18 | 2010-08-19 | Sächsische Walzengravur GmbH | Tiefdruck- oder Prägeform als Sleeve oder Zylinder und Verfahren zur Herstellung derer |
| DE102009010080A1 (de) | 2009-02-18 | 2010-08-19 | Sächsische Walzengravur GmbH | Tiefdruckform als Sleeve oder Zylinder mit einer ablösbaren Schicht |
| DE102009009919A1 (de) | 2009-02-18 | 2010-08-19 | Sächsische Walzengravur GmbH | Tiefdruckform als Sleeve oder Zylinder und Verfahren zur Herstellung einer lösch-und wiederverwendbaren Tiefdruckform |
| JP5000682B2 (ja) * | 2009-05-01 | 2012-08-15 | 旭化成イーマテリアルズ株式会社 | レーザー彫刻可能な円筒状フレキソ印刷原版 |
| DE202014001960U1 (de) | 2014-02-27 | 2014-03-20 | Sächsische Walzengravur GmbH | Druck- oder Prägeform |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2051681A (en) * | 1979-06-25 | 1981-01-21 | Drg Ltd | Printing rolls |
| EP0038385A1 (de) * | 1980-04-14 | 1981-10-28 | Karl D. Bardin | Metallüberzogene Kunststoff-Intaglio-Druckzylinder und -Druckplatten, Verfahren und Apparat |
| NL8302811A (nl) * | 1983-08-10 | 1985-03-01 | Anderson & Vreeland Bv | Drukcilinder, alsmede rasterwals voor een flexo-drukmachine. |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4503769A (en) * | 1982-06-21 | 1985-03-12 | Armotek Industries, Inc. | Metal coated thin wall plastic printing cylinder for rotogravure printing |
| JPS62196189A (ja) * | 1986-02-25 | 1987-08-29 | Showa Denko Kk | グラビア印刷用ロ−ル母材 |
-
1989
- 1989-02-23 IT IT8919541A patent/IT1228855B/it active
-
1990
- 1990-01-08 EP EP90100253A patent/EP0384104B1/de not_active Expired - Lifetime
- 1990-01-08 ES ES90100253T patent/ES2063170T3/es not_active Expired - Lifetime
- 1990-01-08 AT AT90100253T patent/ATE111805T1/de not_active IP Right Cessation
- 1990-01-08 DK DK90100253.5T patent/DK0384104T3/da active
- 1990-01-08 DE DE69012605T patent/DE69012605T2/de not_active Expired - Fee Related
- 1990-02-01 CA CA002009087A patent/CA2009087A1/en not_active Abandoned
- 1990-02-09 JP JP2031335A patent/JPH02248291A/ja active Pending
- 1990-06-12 AU AU57084/90A patent/AU622809B2/en not_active Ceased
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2051681A (en) * | 1979-06-25 | 1981-01-21 | Drg Ltd | Printing rolls |
| EP0038385A1 (de) * | 1980-04-14 | 1981-10-28 | Karl D. Bardin | Metallüberzogene Kunststoff-Intaglio-Druckzylinder und -Druckplatten, Verfahren und Apparat |
| NL8302811A (nl) * | 1983-08-10 | 1985-03-01 | Anderson & Vreeland Bv | Drukcilinder, alsmede rasterwals voor een flexo-drukmachine. |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2059222A1 (es) * | 1991-07-01 | 1994-11-01 | Nacional Moneda Timbre | Mejoras introducidas en sistemas de reproduccion de grabados originales. |
| DE4133903A1 (de) * | 1991-09-25 | 1993-04-08 | Escher Wyss Ag | Formzylinder einer rotationsdruckmaschine |
| EP0787597A3 (de) * | 1996-01-31 | 1998-01-07 | POLYWEST KUNSTSTOFFTECHNIK Saueressig & Partner GmbH & Co. KG | Hülse für eine Tiefdruckwalze, Verfahren zu ihrer Herstellung und Arbeitsverfahren der Vorrichtung zur Herstellung |
| WO1998007579A1 (de) * | 1996-08-21 | 1998-02-26 | Schepers Druckformtechnik Gmbh | Druckwalze oder -zylinder mit einem kern aus metall oder kunststoff und verfahren zur herstellung derselben bzw. desselben |
| WO2000059727A1 (en) * | 1999-04-07 | 2000-10-12 | Hyperlast Limited | Improved gravure printing rollers |
| WO2003047873A3 (en) * | 2001-11-28 | 2003-10-30 | Starbase Ag | Printing cylinder manufacture |
| EP1543962A1 (de) * | 2003-12-19 | 2005-06-22 | FISCHER & KRECKE GMBH & CO. | Tiefdruckzylinder |
| WO2009124541A1 (de) * | 2008-04-07 | 2009-10-15 | Sächsische Walzengravur GmbH | Tiefdruck- oder prägeform als sleeve oder zylinder |
| EP2202084A1 (de) * | 2008-12-22 | 2010-06-30 | Müller Martini Holding AG | Walze für eine Druckmaschine, Druckmaschine mit der Walze sowie Verfahren zum Herstellen der Walze |
| CN101791895A (zh) * | 2008-12-22 | 2010-08-04 | 米勒·马蒂尼控股公司 | 用于印刷机的辊,具有该辊的印刷机以及制造该辊的方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| DK0384104T3 (da) | 1995-02-13 |
| DE69012605D1 (de) | 1994-10-27 |
| CA2009087A1 (en) | 1990-08-23 |
| AU5708490A (en) | 1991-12-19 |
| IT8919541A0 (it) | 1989-02-23 |
| ATE111805T1 (de) | 1994-10-15 |
| JPH02248291A (ja) | 1990-10-04 |
| ES2063170T3 (es) | 1995-01-01 |
| EP0384104B1 (de) | 1994-09-21 |
| IT1228855B (it) | 1991-07-05 |
| DE69012605T2 (de) | 1995-01-19 |
| AU622809B2 (en) | 1992-04-16 |
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