EP1364812A1 - Fabrication d'un article décorative comprenant un substrat laminaire avec un revêtement à base de résine - Google Patents
Fabrication d'un article décorative comprenant un substrat laminaire avec un revêtement à base de résine Download PDFInfo
- Publication number
- EP1364812A1 EP1364812A1 EP02425314A EP02425314A EP1364812A1 EP 1364812 A1 EP1364812 A1 EP 1364812A1 EP 02425314 A EP02425314 A EP 02425314A EP 02425314 A EP02425314 A EP 02425314A EP 1364812 A1 EP1364812 A1 EP 1364812A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- resin
- substrate
- resin layer
- mould
- laminar substrate
- 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.)
- Withdrawn
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
- B44C5/00—Processes for producing special ornamental bodies
- B44C5/04—Ornamental plaques, e.g. decorative panels, decorative veneers
- B44C5/0453—Ornamental plaques, e.g. decorative panels, decorative veneers produced by processes involving moulding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
- B44C3/00—Processes, not specifically provided for elsewhere, for producing ornamental structures
- B44C3/02—Superimposing layers
- B44C3/025—Superimposing layers to produce ornamental relief structures
Definitions
- the present invention relates to a method for manufacturing a decorative article comprising a laminar substrate with a resin coating, and to decorative articles obtained by this method.
- the resin - which is subsequently hardened either by heating or at room temperature - is poured from above onto the laminar substrate, thereby forming a layer of resin with a substantially smooth lower surface adhering to the substrate and an upper profile in the shape of a more or less rounded dome.
- the object of the present invention is to provide an improvement on prior art production methods, which is not affected by limitations in the upper profile of the resin layer.
- the method of the invention makes it possible to produce decorative articles which comprise a laminar substrate coated with a layer of resin, the upper profile of which has a desired shape, for example having one or more sharp edges and/or one or more curves of any type.
- a decorative article 10 comprises (see Figures 1a and 1b) a laminar substrate 12 coated with a layer of resin 14, which may be transparent or coloured, with a planar lower surface adhering to the substrate and an upper profile in the shape of a rectangular parallelepiped with a square base.
- Figures 2a to 6c illustrate alternative embodiments of the article 10, where the profile of the transparent layer 14 is different.
- this may be in the shape of a pyramid, ( Figures 2a, 2b), a frusto-pyramid ( Figures 3a, 3b), it may have a raised central plane with lateral ramps (4a, 4b), it may have several planes at different heights with connecting ramps (5a, 5b) or it may have an elevated end plane with an upwardly inclined ramp (6a, 6b, 6c).
- a method for manufacturing the articles 10 will now be described which first calls for production of a plate 16 ( Figures 7 and 8) with one face 17 thereof reproducing the shaped upper profiles of the resin layers 14 of the various articles 10. It is clear that if a single decorative article 10 or a plurality of decorative articles 10 which are shaped alike is to be manufactured, the face 17 of the plate 16 only needs to be shaped accordingly.
- the plate 16 is used to constitute (see Figure 9a) the bottom of a box, with side walls 18 extending transversely from the edges of the plate 16 and connected thereto by fixing means, which are not shown in the drawings, engaged in seats 20 in the plate 16.
- a fluid material 22 which will harden in the box is then poured into it ( Figure 9b) and it is waited for the hardening thereof into a block 24 with a lower surface reproducing a negative of the shaped upper profile of the transparent resin layer 14 of the articles 10 which are to be produced.
- the fluid material can be silicone with the addition of a hardening catalyst such as, for example, TRECOSIL RTV500 with the L6W catalyst from TRECO.
- the hardened block 24 is extracted from the box and placed upside down (see Figure 9c) in a containment structure 26 open at the top so as to form a mould with an open cavity, the bottom 28 of which is the negative of the shaped upper profile of the transparent resin layer 14 of the articles 10 which are to be manufactured.
- Means 30, known in the art, are then used to pour ( Figure 9d) the non-polymerized resin into the cavity of the mould 24, after which the laminar substrate 12, a silk screen printed sheet for example, is placed on the poured resin 14 so as to close the open resin-filled cavity.
- the substrate 12 is then pressed against the resin 14 by rollers 32 acting on its external surface (Figure 9f), so as to ensure it is flat and to remove any excess resin.
- the containment structure 26 is then closed ( Figure 9g) with a lid 34 and placed (see Figure 9h) in an oven 36, of an infrared or recirculating air type, and kept at a temperature of between 40°C and 75°C, and preferably of 70-75°C, for a period of time of between 25 and 40 minutes, and preferably of around 30 minutes, in order to polymerize the resin 14.
- the upper, transparent or coloured surface 14 of these articles has the desired profile, with the correct number of sharp edges of the required shape, thereby providing a pleasing aesthetic effect.
- the method of the invention makes it possible to produce a decorative article comprising a laminar substrate of any shape in plan and coated with a layer of transparent or coloured resin with an upper profile of almost any shape.
- this profile could have no sharp edges but a desired number of rounded surfaces.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP02425314A EP1364812A1 (fr) | 2002-05-20 | 2002-05-20 | Fabrication d'un article décorative comprenant un substrat laminaire avec un revêtement à base de résine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP02425314A EP1364812A1 (fr) | 2002-05-20 | 2002-05-20 | Fabrication d'un article décorative comprenant un substrat laminaire avec un revêtement à base de résine |
Publications (1)
Publication Number | Publication Date |
---|---|
EP1364812A1 true EP1364812A1 (fr) | 2003-11-26 |
Family
ID=29286260
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02425314A Withdrawn EP1364812A1 (fr) | 2002-05-20 | 2002-05-20 | Fabrication d'un article décorative comprenant un substrat laminaire avec un revêtement à base de résine |
Country Status (1)
Country | Link |
---|---|
EP (1) | EP1364812A1 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008051963A2 (fr) * | 2006-10-24 | 2008-05-02 | Northern Engraving Corporation | Article décoratif manufacturé sans gauchissement et son procédé de fabrication |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4420525A (en) * | 1982-02-11 | 1983-12-13 | Parks David M | Thin decorative cementitious veneers and a method for making same |
DE4202975A1 (de) * | 1992-02-03 | 1993-08-05 | Bayer Ag | Mehrschichten-verbundwerkstoff |
US5554331A (en) * | 1995-04-25 | 1996-09-10 | Gencorp Inc. | Method of making a large decorative panel |
WO1999000235A1 (fr) * | 1997-06-26 | 1999-01-07 | Questech Corporation | Composites lies par moulage et leur procede de fabrication |
US5904886A (en) * | 1995-07-21 | 1999-05-18 | Surface Technologies | Process for making a multi-layered decorative article |
-
2002
- 2002-05-20 EP EP02425314A patent/EP1364812A1/fr not_active Withdrawn
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4420525A (en) * | 1982-02-11 | 1983-12-13 | Parks David M | Thin decorative cementitious veneers and a method for making same |
DE4202975A1 (de) * | 1992-02-03 | 1993-08-05 | Bayer Ag | Mehrschichten-verbundwerkstoff |
US5554331A (en) * | 1995-04-25 | 1996-09-10 | Gencorp Inc. | Method of making a large decorative panel |
US5904886A (en) * | 1995-07-21 | 1999-05-18 | Surface Technologies | Process for making a multi-layered decorative article |
WO1999000235A1 (fr) * | 1997-06-26 | 1999-01-07 | Questech Corporation | Composites lies par moulage et leur procede de fabrication |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008051963A2 (fr) * | 2006-10-24 | 2008-05-02 | Northern Engraving Corporation | Article décoratif manufacturé sans gauchissement et son procédé de fabrication |
WO2008051963A3 (fr) * | 2006-10-24 | 2008-09-04 | Northern Engraving Corp | Article décoratif manufacturé sans gauchissement et son procédé de fabrication |
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Effective date: 20040527 |