EP3141399B1 - Improved process for producing metal moulds, such as sheets, cylinders and the like provided with at least one structured surface and metal stamps obtained with this process - Google Patents
Improved process for producing metal moulds, such as sheets, cylinders and the like provided with at least one structured surface and metal stamps obtained with this process Download PDFInfo
- Publication number
- EP3141399B1 EP3141399B1 EP16180441.4A EP16180441A EP3141399B1 EP 3141399 B1 EP3141399 B1 EP 3141399B1 EP 16180441 A EP16180441 A EP 16180441A EP 3141399 B1 EP3141399 B1 EP 3141399B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- mould
- portions
- protective layer
- structured surface
- metal
- 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.)
- Active
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44B—MACHINES, APPARATUS OR TOOLS FOR ARTISTIC WORK, e.g. FOR SCULPTURING, GUILLOCHING, CARVING, BRANDING, INLAYING
- B44B5/00—Machines or apparatus for embossing decorations or marks, e.g. embossing coins
- B44B5/02—Dies; Accessories
- B44B5/026—Dies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
- B44C1/00—Processes, not specifically provided for elsewhere, for producing decorative surface effects
- B44C1/22—Removing surface-material, e.g. by engraving, by etching
- B44C1/227—Removing surface-material, e.g. by engraving, by etching by etching
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44F—SPECIAL DESIGNS OR PICTURES
- B44F1/00—Designs or pictures characterised by special or unusual light effects
- B44F1/02—Designs or pictures characterised by special or unusual light effects produced by reflected light, e.g. matt surfaces, lustrous surfaces
Definitions
- the present invention relates to a process for producing metal moulds having at least one structured surface.
- the invention also concerns the sheets obtained with this process.
- the field of application of the present invention is that of metal moulds, such as sheets, cylinders and the like, used to impress, on melamine faced chipboard panels, decorative plastic laminates and the like, motifs or patterns, for example imitating the grains of wood, of wood pore, of stones, or other geometrical patterns and the like.
- metal moulds provided with a structured surface, i.e. bearing the shape of the decorative pattern to be reproduced, which is transferred onto the respective panel by pressing.
- metal moulds provided with structured surfaces are obtained by depositing layers or coatings of metal material (usually chrome) onto the structured surface, thereby obtaining a raised pattern that, after it has been stamped on the panel to be decorated, also has different degrees of matt (EP 2 060 658 B1 describing a method for treating a structured surface, in which the masks are removed after the relevant etch/chrome process has taken place).
- the aforesaid prior art also has the disadvantage of allowing only a very limited range of degrees of gloss to be obtained, which in turn depend on the nature of the specific material used to reach the desired gloss effect.
- the main object of the present invention is to provide an improved process for producing metal moulds provided with at least one structured surface which, unlike the prior art methods of this type, is simpler, more reliable and less costly.
- an object of the invention is to provide a process of the aforesaid type, with which it is possible to obtain a structured surface from the same material of which the base mould is made and therefore without requiring to deposit coatings of auxiliary materials.
- a further object of the invention is to provide a process of the aforesaid type which, unlike analogous prior art solutions, allows a wider range of degrees of gloss to be obtained.
- the process of the invention makes it possible to obtain a metal mould provided with at least one structured surface in which, as no additional materials are used with respect to the material of which the actual mould is made, the production costs are lower and the method as a whole is also simpler, faster and more effective.
- the mould with structured surface of the invention is made reliable and durable, also because the absence of coatings on the structured surface prevents adhesion of the panel thereto.
- a matting solution makes it possible to obtain structured surfaces capable of giving the pattern different degrees of matt and glossy-matt nuances that are more numerous, marked and evident with respect to those that can be obtained with conventional surfaces, structured by means of additional metallic coatings.
- the metal mould of the invention which in the example illustrated in the figures and described herein consists of a sheet, is indicated as a whole with 1 in Fig. 1 .
- This comprises in particular a structured surface 2, bearing patterns or ornamental motifs 3 obtained by photo etching or using another technique for engraving said patterns on the metal surface 2 of the sheet 1.
- the enlargement of an example of pattern 3 of the sheet of the invention is represented in Fig. 2 .
- the structured surface obtained with the process of the invention is prepared from an initial sheet 4 in raw state ( Fig. 3a ), the surface 10 of which has previously been ground.
- This surface 10 is therefore partially coated with a first layer 5 of resin, which reproduces the shape to be produced on the structured surface 2 of the sheet 1 of Fig. 1 , for example by screen printing or with other suitable digital systems ( Fig. 3b ).
- the sheet thus prepared is then placed in contact with a corrosive solution, that etches corroded portions 6 on the surface 10 of the sheet 4 not covered by the protective layer 5 ( Fig. 3c ) .
- a corrosive solution that etches corroded portions 6 on the surface 10 of the sheet 4 not covered by the protective layer 5 ( Fig. 3c ) .
- a second protective layer 8 is then applied to the uncorroded portions 7 of the sheet 4, and the surface of the sheet thus obtained is subsequently treated with a matting solution suitable to create, on the unprotected corroded portions 6, a degree of matt gloss ( Fig. 3e ).
- the structured surface 2 of Fig. 1 is obtained on the final sheet 1 of Fig. 3f , the pattern 3 of which is obtained by the combination of the glossy uncorroded portions 7 and of the corroded portions 9 having a degree of matt gloss ( Fig. 2 ).
- the second protective layer 8 could be applied to the corroded portions 6 of the sheet of Fig. 3e , in this case obtaining a reverse distribution of the degrees of gloss with respect to that of Fig. 3f .
- the sheet 1 of Fig. 1 could also have a structured surface on the opposite side to the one in view in the figure, thereby making it suitable for the simultaneous moulding of a panel on each face of the same sheet 1.
- the distribution of the areas with different degree of gloss can be any, as a function of the pattern and of the aesthetic effect to be obtained.
- the mould of the invention which can also have different forms to that of the sheet of Fig. 1 , such as a cylinder and the like, is suitable for moulding decorative plastic laminates and faced chipboard panels.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Laminated Bodies (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL16180441T PL3141399T3 (pl) | 2015-09-11 | 2016-07-20 | Ulepszony sposób wytwarzania metalowych form, takich jak arkusze, cylindry i tym podobne, zaopatrzonych w co najmniej jedną powierzchnię strukturalną oraz odciski metalowe otrzymane tym sposobem |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ITUB2015A003556A ITUB20153556A1 (it) | 2015-09-11 | 2015-09-11 | Procedimento migliorato per la realizzazione di stampi metallici, quali lamiere, cilindri e similari provvisti di almeno una superficie strutturata e stampi metallici ottenuti con questo procedimento |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP3141399A1 EP3141399A1 (en) | 2017-03-15 |
| EP3141399B1 true EP3141399B1 (en) | 2021-01-20 |
Family
ID=54884189
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP16180441.4A Active EP3141399B1 (en) | 2015-09-11 | 2016-07-20 | Improved process for producing metal moulds, such as sheets, cylinders and the like provided with at least one structured surface and metal stamps obtained with this process |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP3141399B1 (pl) |
| ES (1) | ES2860935T3 (pl) |
| IT (1) | ITUB20153556A1 (pl) |
| PL (1) | PL3141399T3 (pl) |
| PT (1) | PT3141399T (pl) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113978167B (zh) * | 2021-10-25 | 2024-06-04 | 浙江云峰莫干山装饰建材有限公司 | 一种重组装饰材或重组装饰单板用模具下模的制作方法 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2060658A2 (de) | 2007-11-16 | 2009-05-20 | Hueck Engraving GmbH & Co. KG | Verfahren zur Bearbeitung einer strukturierten Oberfläche |
| DE202012004375U1 (de) | 2012-05-04 | 2012-06-11 | Hueck Rheinische Gmbh | Werkstoffplatte mit einer strukturierten Oberfläche |
| EP2497650A1 (de) | 2011-03-10 | 2012-09-12 | Hueck Rheinische GmbH | Verfahren zur Bearbeitung einer strukturierten Oberfläche eines Prägewerkzeuges |
| DE102012107827A1 (de) | 2012-08-24 | 2014-02-27 | Sandvik Surface Solutions Division Of Sandvik Materials Technology Deutschland Gmbh | Verfahren zur Erzeugung von Glanzeffekten auf Presswerkzeugen |
| EP2848424A1 (de) | 2013-09-13 | 2015-03-18 | Hueck Rheinische GmbH | Verfahren zur Herstellung einer Oberflächenstruktur auf einem Press-werkzeug durch Auftragen von Metallbeschichtungen |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE1018156A3 (nl) * | 2008-05-20 | 2010-06-01 | Flooring Ind Ltd Sarl | Werkwijze voor het vervaardigen van beklede panelen en bekleed paneel. |
| BE1021471B1 (nl) * | 2012-04-03 | 2015-11-27 | Flooring Industries Limited, Sarl | Laminaatpaneel, werkwijze voor het vervaardigen van een laminaatpaneel en perselement om de werkwijze te verwezenlijken |
-
2015
- 2015-09-11 IT ITUB2015A003556A patent/ITUB20153556A1/it unknown
-
2016
- 2016-07-20 ES ES16180441T patent/ES2860935T3/es active Active
- 2016-07-20 PL PL16180441T patent/PL3141399T3/pl unknown
- 2016-07-20 EP EP16180441.4A patent/EP3141399B1/en active Active
- 2016-07-20 PT PT161804414T patent/PT3141399T/pt unknown
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2060658A2 (de) | 2007-11-16 | 2009-05-20 | Hueck Engraving GmbH & Co. KG | Verfahren zur Bearbeitung einer strukturierten Oberfläche |
| EP2497650A1 (de) | 2011-03-10 | 2012-09-12 | Hueck Rheinische GmbH | Verfahren zur Bearbeitung einer strukturierten Oberfläche eines Prägewerkzeuges |
| DE202012004375U1 (de) | 2012-05-04 | 2012-06-11 | Hueck Rheinische Gmbh | Werkstoffplatte mit einer strukturierten Oberfläche |
| DE102012107827A1 (de) | 2012-08-24 | 2014-02-27 | Sandvik Surface Solutions Division Of Sandvik Materials Technology Deutschland Gmbh | Verfahren zur Erzeugung von Glanzeffekten auf Presswerkzeugen |
| EP2848424A1 (de) | 2013-09-13 | 2015-03-18 | Hueck Rheinische GmbH | Verfahren zur Herstellung einer Oberflächenstruktur auf einem Press-werkzeug durch Auftragen von Metallbeschichtungen |
Also Published As
| Publication number | Publication date |
|---|---|
| EP3141399A1 (en) | 2017-03-15 |
| PL3141399T3 (pl) | 2021-09-13 |
| ES2860935T3 (es) | 2021-10-05 |
| ITUB20153556A1 (it) | 2017-03-11 |
| PT3141399T (pt) | 2021-03-31 |
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