EP4093617A1 - Palette humide pour peinture à l'eau - Google Patents
Palette humide pour peinture à l'eauInfo
- Publication number
- EP4093617A1 EP4093617A1 EP21824067.9A EP21824067A EP4093617A1 EP 4093617 A1 EP4093617 A1 EP 4093617A1 EP 21824067 A EP21824067 A EP 21824067A EP 4093617 A1 EP4093617 A1 EP 4093617A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- sheet
- paper
- water
- wet
- coated
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44D—PAINTING OR ARTISTIC DRAWING, NOT OTHERWISE PROVIDED FOR; PRESERVING PAINTINGS; SURFACE TREATMENT TO OBTAIN SPECIAL ARTISTIC SURFACE EFFECTS OR FINISHES
- B44D3/00—Accessories or implements for use in connection with painting or artistic drawing, not otherwise provided for; Methods or devices for colour determination, selection, or synthesis, e.g. use of colour tables
- B44D3/02—Palettes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D1/00—Rigid or semi-rigid containers having bodies formed in one piece, e.g. by casting metallic material, by moulding plastics, by blowing vitreous material, by throwing ceramic material, by moulding pulped fibrous material or by deep-drawing operations performed on sheet material
- B65D1/34—Trays or like shallow containers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D43/00—Lids or covers for rigid or semi-rigid containers
- B65D43/02—Removable lids or covers
- B65D43/0202—Removable lids or covers without integral tamper element
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D2543/00—Lids or covers essentially for box-like containers
- B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
- B65D2543/00018—Overall construction of the lid
- B65D2543/00064—Shape of the outer periphery
- B65D2543/0012—Shape of the outer periphery having straight sides, e.g. with curved corners
- B65D2543/00175—Shape of the outer periphery having straight sides, e.g. with curved corners four straight sides, e.g. trapezium or diamond
- B65D2543/00194—Shape of the outer periphery having straight sides, e.g. with curved corners four straight sides, e.g. trapezium or diamond square or rectangular
Definitions
- the present invention relates to a wet palette for water-based paint (hereinafter referred to as a "wet palette") which aims to prolong the life of a water-based paint during a painting session. or between painting sessions.
- a wet palette for water-based paint
- a wet palette comprises a box containing a foam or sponge saturated with water which, by capillarity, passes through a sheet of paper, for example parchment, on which a painting is positioned. The paint is then kept wet "in the open” during the painting session but also between painting sessions with a lid.
- a solution in accordance with the preamble of claim 1, is for example described in US patent US 5,715,933 A or in US patent US 6,302,267 B1, the teaching of which is incorporated here by reference.
- US Patent US 3,874,499 A discloses, with reference to Figures 1-8 thereof, various embodiments of an artist's palette which maintains water-based paints in a cool, workable condition during use or storage.
- This palette includes a palette surface that provides a controlled amount of humidity to the paints applied thereon.
- a specific structure is provided, which comprises a paddle base member having a textured surface, supplied with water by means of a reservoir placed above the textured surface, and a cover sheet covering the major part of the textured surface .
- This coating sheet comprises an absorbent lower side, placed in contact with the textured surface, and a treated upper side, which is permeable to water, but substantially impermeable to the pigments of the water-based paints which are applied to the cover sheet.
- the sheet of coating can in particular consist of a permeable and water-resistant wallpaper whose upper surface is treated with a material permeable to water and preventing the permeation of the pigments contained in the water-based paints.
- an aqueous latex-based polymer emulsion is used to treat the upper surface of the cover sheet, which emulsion is applied in liquid form in order to form, after drying, a uniform layer on the upper surface of the sheet. of coating.
- An object of the present invention is to provide a wet palette capable of keeping the paint wet the longest during a painting session and also between painting sessions.
- Another object of the present invention is to prevent the sheet of paper used as a humidifying support from deteriorating, which would alter the quality of the paint.
- Yet another object of the invention is to prevent the paint and the pigments contained in the paint (in particular the finer ones) from penetrating into the sheet of paper, so as to make it more robust in use, or even to allow and facilitate its cleaning, if necessary, and its reuse in the best conditions.
- An additional object of the invention is to provide a wet palette which also makes it possible to work with thin layers of paint.
- the wet palette for water-based paint comprises a flat container having a peripheral rim and which, in its operational state, contains water, a water-retaining structure, preferably a sponge or a foam, which retaining structure is placed in the flat container and arranged to become impregnated and moistened by the contact and absorption of the water contained in the flat container, and a sheet of water-permeable paper, positioned on the retaining structure, and which, in its operational state, is in contact with water-based paint applied to an upper face of the sheet of paper.
- a lid can be added and placed on the flat container, thus enclosing the retaining structure as well as the sheet of paper in order to preserve the paint between various painting sessions.
- the sheet of paper is a sheet of one-sided coated paper - or "C1 S” paper ("coated one side” in Anglo-Saxon terminology) - which is resistant to the wet state (“REH”), paper which is normally used for labeling, in particular of glass or metal containers, and whose coated upper face is used, in its operational state, as a support for the application of water-based paint.
- C1 S coated one side
- REH wet state
- coated one side (C1S) wet strength (REH) papers are found to be optimal candidates for application in the the invention due in particular to their good ability to absorb water (on the uncoated side), their good resistance in the wet state (REH), the adequacy of the level of water permeability of the coating, and their good degree of impermeability to the pigments usually contained in water-based paints.
- coated one side (C1 S) wet strength (REH) papers are usually used for labeling operations, in particular glass or metal containers, for example for the labeling of bottles. of glass.
- the sheet of one-sided coated paper (C1 S) is more particularly a sheet of machine-coated paper, or "MFC” paper ("Machine Finished Coated” in English terminology) or a sheet of chrome-coated paper, or “coated on chrome”("castcoated” in Anglo-Saxon terminology), namely a paper whose coating is carried out by means of a polished chrome cylinder which gives the coating a greater shine and a smooth surface.
- the sheet of one-sided coated paper (C1 S) has a weight defined according to the ISO 536 standard which is between 30 g/m 2 and 100 g/m 2 , preferentially between 50 g/m 2 and 100 g/m 2 .
- Wet strength can be imparted to the paper during its manufacture by the addition of reinforcing fibers or by an appropriate treatment which makes it possible to prevent tearing and disintegration of the sheet of paper in water. .
- the sheet of one-sided coated paper (C1 S) is preferably a sheet of wood-free paper, which makes it possible to prevent any yellowing of the paper.
- the sheet of one-sided coated paper (C1 S) has a COBB60 absorption index measured according to the ISO 535 standard on the side of its lower face which is between 10 g/m 2 and 25 g/m 2 , as well as a dry tensile strength measured according to the ISO 1924-2 standard which is between 50 N/15mm and 100 N/15mm.
- the water-retaining structure is a smooth foam or sponge, in particular a polyvinyl alcohol (PVA) foam or a polyurethane foam, which has the required characteristics such as high absorption capacity, smooth surface limiting the development of mould.
- PVA polyvinyl alcohol
- the wet palette according to the invention can be used just as well with acrylic paint, gouache or any other type of water-based paint, such as watercolor.
- C1 S coated one side
- REH wet strength
- MFC machine coated paper
- coated chrome a sheet of coated chrome
- This sheet of one-sided coated paper (C1 S) may preferably have the additional characteristics listed above.
- the invention also relates to a method for implementing a wet palette for water-based paint, in particular a wet palette according to the aforementioned embodiments, comprising the following steps: pouring water into a flat container comprising a peripheral rim then placing a water-retaining structure, preferably a sponge or a foam, in the flat container, or vice versa, the retaining structure becoming impregnated and moistened by contact and absorption of the water contained in the flat container; disposing a sheet of water-permeable paper on said retaining structure, the sheet of paper being a sheet of one-side coated (C1 S) wet-strength (REH) paper, namely a sheet of machine-coated paper ( MFC) or a sheet of chrome-coated paper, the coated upper face of which is used as a support for the application of water-based paint; and applying the water-based paint to the top, coated layer of the sheet of paper.
- C1 S one-side coated
- REH wet-strength
- the wet palette comprises a flat container 1 having a peripheral rim which, in its operational state, contains water 4.
- a retaining structure 2 of water 4 preferably a flat sponge or foam , is placed in the flat container 1 to become impregnated and moistened by the contact and absorption of the water 4 contained in the flat container 1 .
- a sheet of paper 3 permeable to water is positioned on the retaining structure 2.
- the sheet of paper 3 is in contact with a water-based paint 5, for example an acrylic paint, which is applied to the upper face of the sheet of paper 3. It will therefore be understood that the sheet of paper 3 acts here as a humidifying support making it possible to maintain the paint 5 in a wet state, while avoiding direct contamination by the paint 5 of the retaining structure 2.
- the sheet of paper 3 is a sheet of one-sided coated paper, or "C1 S” paper, which is resistant to the wet state (“REH”), the upper side of which, coated, is used, in its operational state, as a support for the application of water-based paint 5.
- C1 S wet state
- this particular type of paper is known and available on the market, however for a completely different application, namely the labeling of plastic containers. glass or metal, in particular glass bottles.
- the use of such one-side coated (C1 S) wet-strength (REH) paper as a moistening support for a wet palette has not, to the Applicant's knowledge, been previously described or suggested in the state of the art.
- the retaining structure 2 is saturated with water 4 by capillarity, and that the water passes through the sheet of paper 3 and hydrates the paint 5, here of the acrylic type.
- the paint is therefore kept wet in the "open sky” during the painting session, which allows it to be used for more than a few hours.
- a sheet of coated paper on one side (C1 S) resistant to the wet state (REH) as a humidifying support for the wet palette offers the advantage that the sheet of paper 3 has a coating, on its upper face, intended to receive the water-based paint 5 and whose water permeability is comparatively less than the water permeability of the base of the sheet of paper 3 which is positioned in contact with the retaining structure 2.
- the coating offers a good degree of impermeability to the pigments contained in the water-based paint 5.
- the sheet of paper 3 is provided with a permeability at the level of the coating making it possible to work with paints 5 with very fine particles and pigments.
- the coating can in particular have a microporous structure which makes it possible to limit the absorption of the paint 5 and the pigments in the paper, while allowing the humidity to pass through.
- the sheet of paper 3 has a wet opacity (measured according to ISO 2471) that is greater than 80% so that the humidity does not negatively affect the visual appearance of the sheet of paper 3.
- the retaining structure 2 can advantageously be a foam or a smooth sponge, in particular a polyvinyl alcohol foam (PVA) or a polyurethane foam, limiting the development of mould.
- PVA polyvinyl alcohol foam
- An antifungal treatment of the sheet of paper 3 is in this respect also possible, even advisable.
- the retaining structure 2 and the sheet of paper 3 preferably have identical shapes.
- the retaining structure 2 and the sheet of paper 3 can advantageously be embossed so as to create hydrating basins arranged to receive a paint 5, in particular liquid.
- the sheet of paper 3 makes it possible to avoid these drawbacks.
- a thin, uncoated sheet of paper would allow paint to penetrate, which would damage the retaining structure.
- the sheet 3 is made of a wet-strength paper (REH) in order to prevent the sheet of paper 3 from tearing and disintegrating in the water, which would render it unusable.
- This wet strength (WWR) can be achieved during papermaking by the incorporation of reinforcing fibers, for example synthetic, or by adding additives of the polyamide-amine-epichlorohydrin (PAE) type.
- the sheet of paper coated on one side has an absorption index COBB60 (measured according to standard ISO 535) on the side of its lower face, uncoated, which is between 10 g/ m 2 and 25 g/m 2 , as well as a dry tensile strength (measured according to standard ISO 1924-2) which is between 50 N/15mm and 100 N/15mm.
- the sheet of one-sided coated paper (C1S) can more particularly be, in a first alternative embodiment, a sheet of machine-coated paper, or “MFC” paper (“Machine Finished Coated” in English terminology).
- MFC machine-coated paper
- An example of such a machine-coated paper is, for example, marketed by the company Feldmuehle GmbH (www.feldmuehle- under the designation SaxaSet® with a grammage of 70, 75 or 80 g/m 2 (SaxaSet® being a registered trademark of Feldmuehle GmbH).
- the sheet of one-sided coated paper (C1 S) can alternatively be, in a second embodiment, a sheet of chrome coated paper, or "coated on chrome"("castcoated” in Anglo-Saxon terminology), namely a paper whose coating is carried out by means of a polished chrome cylinder which gives the coating a greater shine and a smooth surface.
- a chrome-coated paper is for example marketed by the company Zanders Paper GmbH (www.zanders.com) under the designation Chromolux® 900 E with a weight of 80 or 90 g/m 2 (Chromolux® being a trademark registered of Zanders Paper GmbH).
- This paper also has the advantage of being a wood-free paper, with high whiteness and good gloss on the coating side (i.e. a whiteness of around 89% according to ISO 2469 standard and a gloss greater than 57% according to ISO 8254-2), and which does not yellow and offers good robustness in use.
- C1 S wet strength (REH) papers are given for illustrative purposes and other papers of similar categories (machine coated or chrome coated) could be used, in particular depending on the properties of the water-based paint 5 used.
- the underside of the sheet of paper 3 could be additionally treated or coated with a light coating in order to stabilize the sheet of paper (and avoid for example a rolling up on itself or a stretching of the sheet of paper 3, in particular because of a differentiated absorption between the lower and upper faces) and/or in order to adjust the level of water absorption of the sheet of paper 3.
- the wet palette according to the invention can also comprise a cover or other similar element making it possible to enclose the paint 5 hermetically outside the periods of the painting sessions when the artist is not painting.
- the sheet of paper 3 can optionally be treated or coated with a light coating on its underside in order to adjust, if necessary, the degree of water absorption of the sheet of paper 3 and therefore the degree of humidity of this sheet, without this affecting the properties of the coating applied to the upper face where the paint is applied.
- the wet palette according to the invention can be used together with any other type of water-based paint, in particular but not exclusively gouache or watercolor.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ceramic Engineering (AREA)
- Paper (AREA)
- Laminated Bodies (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH00155/21A CH718358A1 (fr) | 2021-02-17 | 2021-02-17 | Palette humide pour peinture à l'eau. |
| PCT/IB2021/061397 WO2022175740A1 (fr) | 2021-02-17 | 2021-12-07 | Palette humide pour peinture à l'eau |
Publications (4)
| Publication Number | Publication Date |
|---|---|
| EP4093617A1 true EP4093617A1 (fr) | 2022-11-30 |
| EP4093617C0 EP4093617C0 (fr) | 2024-09-04 |
| EP4093617B1 EP4093617B1 (fr) | 2024-09-04 |
| EP4093617B8 EP4093617B8 (fr) | 2024-10-30 |
Family
ID=78844924
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP21824067.9A Active EP4093617B8 (fr) | 2021-02-17 | 2021-12-07 | Palette humide pour peinture à l'eau |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US12491729B2 (fr) |
| EP (1) | EP4093617B8 (fr) |
| CH (1) | CH718358A1 (fr) |
| WO (1) | WO2022175740A1 (fr) |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2932906A (en) * | 1955-10-13 | 1960-04-19 | Catherine D Chamberlin | Child's coloring apparatus |
| US3874499A (en) * | 1973-09-12 | 1975-04-01 | Jr Roy C Barnett | Artist{3 s palette |
| US3885843A (en) * | 1974-03-29 | 1975-05-27 | George K E Rubel | Artist humidifier for palette displayed paints and values |
| US4444306A (en) * | 1983-01-03 | 1984-04-24 | Florence Benaquista | Palette box |
| US5715933A (en) | 1995-11-16 | 1998-02-10 | Monahan; William P. | Palette transport system |
| US6302267B1 (en) | 1998-10-02 | 2001-10-16 | William P. Monahan | Palette system |
| US7938255B2 (en) * | 2002-08-17 | 2011-05-10 | Menicon Singapore Pte Ltd. | Internal member for disposable soft contact lens packaging |
| JP4878796B2 (ja) * | 2004-09-06 | 2012-02-15 | 富士フイルム株式会社 | 光学フィルムの製造方法 |
| BRPI0821336B1 (pt) * | 2007-12-21 | 2018-08-07 | Technocell Dekor Gmbh & Co. Kg. | Papel de base para materiais de revestimento decorativos e papel decorativo ou material de revestimento decorativo |
| CN202106787U (zh) * | 2011-06-08 | 2012-01-11 | 江阴宇昊复合材料科技有限公司 | 绘画调色用纸 |
| US9656513B2 (en) * | 2012-03-15 | 2017-05-23 | Tulko Hardware, Llc | Paint palette system for retaining paint |
| US20130276772A1 (en) * | 2012-04-18 | 2013-10-24 | Ohshin Mlp Co., Ltd. | Multi-layered sheet, thermal structure comprising it, and process for producing multi-layered sheet |
| CN206012194U (zh) * | 2016-09-05 | 2017-03-15 | 上海漫讯贸易有限公司 | 水性颜料保湿调色盘 |
| JP2019026978A (ja) * | 2017-08-01 | 2019-02-21 | 特種東海製紙株式会社 | 水彩紙 |
-
2021
- 2021-02-17 CH CH00155/21A patent/CH718358A1/fr unknown
- 2021-12-07 EP EP21824067.9A patent/EP4093617B8/fr active Active
- 2021-12-07 US US18/276,975 patent/US12491729B2/en active Active
- 2021-12-07 WO PCT/IB2021/061397 patent/WO2022175740A1/fr not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| US12491729B2 (en) | 2025-12-09 |
| EP4093617C0 (fr) | 2024-09-04 |
| WO2022175740A1 (fr) | 2022-08-25 |
| EP4093617B8 (fr) | 2024-10-30 |
| EP4093617B1 (fr) | 2024-09-04 |
| CH718358A1 (fr) | 2022-08-31 |
| US20240116308A1 (en) | 2024-04-11 |
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