EP1652652A1 - Dekorierte Artikel - Google Patents

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Publication number
EP1652652A1
EP1652652A1 EP04025533A EP04025533A EP1652652A1 EP 1652652 A1 EP1652652 A1 EP 1652652A1 EP 04025533 A EP04025533 A EP 04025533A EP 04025533 A EP04025533 A EP 04025533A EP 1652652 A1 EP1652652 A1 EP 1652652A1
Authority
EP
European Patent Office
Prior art keywords
article
roll
embossing
plastic
elastic material
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Withdrawn
Application number
EP04025533A
Other languages
English (en)
French (fr)
Inventor
David Brull
Robert Frere
Jean-Pierre Mayeres
Emmanuel Noël
Denis Job
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NMC SA
Original Assignee
NMC SA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by NMC SA filed Critical NMC SA
Priority to EP04025533A priority Critical patent/EP1652652A1/de
Priority to AT05801765T priority patent/ATE484375T1/de
Priority to US11/577,901 priority patent/US20090130311A1/en
Priority to DE602005024167T priority patent/DE602005024167D1/de
Priority to PCT/EP2005/055479 priority patent/WO2006045763A2/fr
Priority to RU2007119640/12A priority patent/RU2007119640A/ru
Priority to EP05801765A priority patent/EP1827800B1/de
Priority to CA002584734A priority patent/CA2584734A1/fr
Publication of EP1652652A1 publication Critical patent/EP1652652A1/de
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44F—SPECIAL DESIGNS OR PICTURES
    • B44F9/00—Designs imitating natural patterns
    • B44F9/02—Designs imitating natural patterns wood grain effects

Definitions

  • the present invention relates to a method of decorating plastic articles, in particular extruded and foamed plastic profiles, this decoration imitating in a particularly realistic manner the appearance of natural materials, for example that of wood.
  • Extruded and foamed plastic decorative profiles such as moldings, have an appeal due to their lightness compared to plaster moldings, wood or natural stone.
  • extrudable and foamable thermoplastics that can be used for this type of product, mention may be made, inter alia, of polystyrene plastics (PS crystal, HIPS, ABS, PS + PPO, etc.) and polyvinyl plastics, such as polyvinyl chloride (PVC).
  • Decorative wood moldings are generally used for door contours, skirting boards, picture rails, frames of pictures or paintings, etc. Available in various densities depending on the selected tree species, the real wood moldings must however be regularly maintained to maintain their attractive quality and appearance. We can not ignore the problem of natural wood resources, which are not infinite and although they are renewable, the cycles can be long and this can pose ecological problems in case of excessive demand.
  • Sawdust can be recovered from various processing industries and recycled into extrusion within a thermoplastic matrix (PP, PVC, HDPE, etc.), which gives the decorative profile a wood-like appearance but is not matching neither the texture nor the rendering of this noble material.
  • PP thermoplastic matrix
  • PVC polyvinylene
  • HDPE high density polyethylene
  • One method used by those skilled in the art is to cover decorative profiles foamed and extruded plastic film, imitating the appearance of wood, to make them more attractive and given to certain interiors.
  • the conventional method is to transfer on the visible face of the molding, after sufficient cooling thereof, a roll of film of plastic material on which is deposited a transferable ink (decal).
  • the operation is accomplished by the use of a roll of flexible material, silicone rubber most frequently.
  • the roller presses the film on the face of the PS foam profile to be decorated, and, with the help of heat, the paint is transferred perfectly to the profile. The smoother the surface beforehand (without streaks or defects), the better the result.
  • the sheet can be composed of one or more resins, or paper, colored with patterns in wood grain or containing particles, and can also be stamped beforehand or after coloring to create hollows and bumps, imitating the texture wood.
  • This ready-to-use sheet is applied by hot rolling or continuous gluing to the desired face of the decorative molding. Nevertheless, this process requires the use of adhesives specific, sometimes containing solvents, the latter may pose problems of handling and toxicity.
  • the methods of the state of the art all have at least one of the following disadvantages: they do not make it possible to obtain plastic profiles imitating not only the appearance, but also the texture of a natural material, they require several distinct and / or discontinuous steps, they require the use of special glues and / or toxic solvents, the quality of the finish is not satisfactory.
  • An object of the present invention is therefore to provide a simple, continuous method for decorating plastic articles both from the point of view of appearance and from the point of view of texture, for example to imitate realistic way of natural materials.
  • this object is achieved by a method according to claim 1.
  • the method is characterized in that said printing is performed concomitantly with the embossing by the same embossing roll, the roll being made of an elastic material and being heated to the softening temperature on the surface of the article made of plastic
  • the present method of decoration is simple while combining, in a single step, both the application of any pattern (printing), as the realization of a surface structure (embossing) on a plastic article. It also allows continuous work, thus ensuring a high flow and thus improved profitability.
  • the major advantage of the process is nevertheless the quality of the result obtained.
  • the implementation of the method of the invention for example for manufacturing profiles imitating wood, allows decorations with a much more realistic rendering.
  • the ink is perfectly applied and matches the relief created by the embossing roll, thus giving a sealed and resistant surface.
  • Another significant advantage of the present process is its versatility. Indeed, it is not only possible to vary almost infinitely the decorations, both in terms of the chosen pattern, as the level of the desired grain. It is also easily applicable to all kinds of articles, such as elongated profiles, but also articles with other aspect ratios, especially since it can be easily adapted for the decoration of several faces of the same article.
  • the embossing roll of elastic material may, in principle, be made of any sufficiently flexible material to avoid shearing of the ink film.
  • the elastic material of the roll will preferably be of the elastomer type, having a temperature resistance sufficient to not deform in the temperature range to which it must be heated.
  • Silicone rubbers possess the ideal properties of resilience, temperature resistance and hardness to satisfy these criteria; they are commonly used in the industry for these properties. Therefore, a particularly suitable material is silicone rubber.
  • the hardness of the elastic material of the embossing roll although chosen according to other parameters of the process, such as the nature of the ink film, the nature of the plastic material of the article, etc. In other words, this hardness will be chosen according to the ease of obtaining the effects of ribs and is generally between 40 and 90 shore A, preferably between 60 and 80 shore A.
  • the relief such as streaks
  • various methods well known to those skilled in the art are available. For example, it is possible to mill the surface, or to form the material by molding in a mold having streaks on the surface, which will print as a negative in the plastic during its baking.
  • the decoration can thus be varied at will, for example by using a relief imitating the ribbings of the wood, the grain of natural stones or any geometrical structures, it suffices to change the embossing roll and / or the transferable ink film pattern.
  • Transferable ink films are conventional films known to those skilled in the art, for example: bottle, automobile, graphic industry in general, etc.
  • the temperature at which the elastic material of the embossing roll is preheated and the pressure with which the roll is applied to transfer the ink to the profile will be adapted to cause sufficient softening at the surface of the plastic profile so that the Streaks print in negative and the decorative ink is transferred correctly.
  • the parameters that may influence the choice of this temperature and this pressure are, among others, the nature of the polymer used, the density and the surface hardness of the foamed profile. It is remarkable that these temperature and pressure conditions are outside the usual values recommended by embossing roll manufacturers for these applications; generally work in milder conditions than those of the present invention, because the materials to be ribbed are usually malleable or made such (paints, inks, soft coatings deposited on the surface of the moldings).
  • the surface softening temperature is between 160 and 200 ° C, preferably between 170 and 180 ° C.
  • the heating of the embossing roll can in principle be carried out by any means making it possible to maintain the surface of the groove of this roll at the surface softening temperature of the articles to be decorated, preferably by means of a heating device separated by external radiation.
  • the plastic articles usable in the present process are conventional extruded and foamed articles usable in this field.
  • the processes for producing thermoplastic foams or not by extrusion are known to those skilled in the art. Extrusion has an obvious productivity advantage.
  • thermoplastics are preferably made of thermoplastics, for possibility of recycling.
  • the selected polymers will advantageously have sufficient mechanical strength, to ensure acceptable rigidity especially if cutting lengths of several meters.
  • Polymers meeting these criteria include, but are not limited to, optionally modified thermoplastic (co) polymers, such as polystyrene (PS) crystal, impact polystyrene (HIPS), poly (styrene-acrylonitrile) (SAN), poly (acrylonitrile) -butadiene-stryrene) (ABS) and polyvinyl chloride (PVC), as well as their mixtures, optionally combined with other thermoplastic polymers, such as, for example, polyphenylene oxide (PPO), such as Noryl ( PS + PPO). Crystal polystyrene is a particularly suitable polymer for the manufacture of light and resistant decorative moldings.
  • the density of the foamed profiles that can be decorated by the process of the present invention can vary from 60 to 700 kg / m 3 , preferably from 150 to 400 kg / m 3 .
  • a further aspect of the invention is a decorated plastic article obtained by a method or apparatus as described above.
  • the present invention also provides the use of a method or an apparatus for the continuous production of a decoration on at least one face of extruded and foamed plastic articles in a single step as described herein. above, especially for the production of moldings, skirting boards, picture rails and decorated frames.
  • Fig. 1 is a block diagram of an embodiment of a decoration apparatus according to the invention.
  • the decoration apparatus comprises an embossing roll 2 made for example of silicone rubber and held on top of a conveyor device or against a roller.
  • the groove of the embossing roll 2 is provided with a relief representing, in negative, the grain that it is desired to give to the surface 10 of the article 1.
  • a radiation heater 3 is placed above the roller 2 so as to heat its groove to the surface softening temperature of the article 1.
  • the apparatus further comprises a transferable ink film 11 from a reel 4 and passed between the embossing roll 2 and the article 1 and rewound onto the rewind roller 5 after the operation.
  • the decoration operation of the surface 10 of the article 1 comprises firstly the embossing of the surface so as to create a texture and secondly the impression of the same surface of a decorative pattern.
  • the plastic article 1 for example crystal polystyrene
  • the roller 2 can be adjusted in height so as to adapt the pressure exerted by the roller on the film 11 and the surface 10 of the article 1. Due to the heat of the roll 2, the surface 10 is simultaneously embossed by the relief and printed by the ink of the film 11 to give a surface 10 'having the decoration, that is to say the pattern and the texture, chosen .
  • the film 11 is rewound after use on the roll 5.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Materials For Medical Uses (AREA)
  • Laminated Bodies (AREA)
  • Printing Methods (AREA)
EP04025533A 2004-10-27 2004-10-27 Dekorierte Artikel Withdrawn EP1652652A1 (de)

Priority Applications (8)

Application Number Priority Date Filing Date Title
EP04025533A EP1652652A1 (de) 2004-10-27 2004-10-27 Dekorierte Artikel
AT05801765T ATE484375T1 (de) 2004-10-27 2005-10-24 Verzierter artikel
US11/577,901 US20090130311A1 (en) 2004-10-27 2005-10-24 Decorated articles
DE602005024167T DE602005024167D1 (de) 2004-10-27 2005-10-24 Verzierter artikel
PCT/EP2005/055479 WO2006045763A2 (fr) 2004-10-27 2005-10-24 Articles decores
RU2007119640/12A RU2007119640A (ru) 2004-10-27 2005-10-24 Декорированные изделия
EP05801765A EP1827800B1 (de) 2004-10-27 2005-10-24 Verzierter artikel
CA002584734A CA2584734A1 (fr) 2004-10-27 2005-10-24 Articles decores

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP04025533A EP1652652A1 (de) 2004-10-27 2004-10-27 Dekorierte Artikel

Publications (1)

Publication Number Publication Date
EP1652652A1 true EP1652652A1 (de) 2006-05-03

Family

ID=34927134

Family Applications (2)

Application Number Title Priority Date Filing Date
EP04025533A Withdrawn EP1652652A1 (de) 2004-10-27 2004-10-27 Dekorierte Artikel
EP05801765A Not-in-force EP1827800B1 (de) 2004-10-27 2005-10-24 Verzierter artikel

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP05801765A Not-in-force EP1827800B1 (de) 2004-10-27 2005-10-24 Verzierter artikel

Country Status (7)

Country Link
US (1) US20090130311A1 (de)
EP (2) EP1652652A1 (de)
AT (1) ATE484375T1 (de)
CA (1) CA2584734A1 (de)
DE (1) DE602005024167D1 (de)
RU (1) RU2007119640A (de)
WO (1) WO2006045763A2 (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103818110A (zh) * 2014-02-25 2014-05-28 元亨利包装科技(上海)有限公司 一种带有多工位的不停机印刷加工系统及加工工艺
CN106952567A (zh) * 2017-03-29 2017-07-14 江苏兴广包装科技有限公司 一种全息定位复合膜生产方法
CN107009775A (zh) * 2017-03-29 2017-08-04 江苏兴广包装科技有限公司 一种全息定位转移膜生产方法

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10399377B2 (en) * 2007-09-17 2019-09-03 Flooring Technologies, Ltd. Method for providing a roller assembly for creating decorative patterns on a wood material surface
DE102007044261B4 (de) * 2007-09-17 2009-06-18 Flooring Technologies Ltd. Verfahren zur Bereitstellung einer Walzenanordnung zum Erzeugen von Dekoren auf einer Holzwerkstoffoberfläche
BE1026627B1 (de) * 2018-09-18 2020-04-16 Nmc Sa Verzierte gegenstände

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2404073A (en) * 1944-11-25 1946-07-16 Royal Lace Paper Works Method of making ornamental articles
US3837275A (en) * 1972-09-25 1974-09-24 Gaf Corp Multiple color embossing of flooring material
EP0265298A1 (de) * 1986-10-02 1988-04-27 Kaysersberg Sa Absorbierendes, mehrschichtiges Blatt und Verfahren zur Herstellung eines solchen Blattes
WO1993000219A1 (fr) * 1991-06-28 1993-01-07 Kaysersberg Procede d'impression gaufrage de feuilles de papier
US6272982B1 (en) * 1998-01-30 2001-08-14 Springs Window Fashions Division, Inc. Apparatus and method for embossing and printing elongated substrates

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3839514A (en) * 1970-08-20 1974-10-01 Rowland Dev Corp Method of embossing thermoplastic sheet using a roll having a surface of varying hardness
JPS521111A (en) * 1975-06-20 1977-01-06 Tokiwa Leather Industrial Co Production of wall paper

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2404073A (en) * 1944-11-25 1946-07-16 Royal Lace Paper Works Method of making ornamental articles
US3837275A (en) * 1972-09-25 1974-09-24 Gaf Corp Multiple color embossing of flooring material
EP0265298A1 (de) * 1986-10-02 1988-04-27 Kaysersberg Sa Absorbierendes, mehrschichtiges Blatt und Verfahren zur Herstellung eines solchen Blattes
WO1993000219A1 (fr) * 1991-06-28 1993-01-07 Kaysersberg Procede d'impression gaufrage de feuilles de papier
US6272982B1 (en) * 1998-01-30 2001-08-14 Springs Window Fashions Division, Inc. Apparatus and method for embossing and printing elongated substrates

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103818110A (zh) * 2014-02-25 2014-05-28 元亨利包装科技(上海)有限公司 一种带有多工位的不停机印刷加工系统及加工工艺
CN103818110B (zh) * 2014-02-25 2016-07-06 元亨利云印刷科技（上海）有限公司 一种带有多工位的不停机印刷加工系统及加工工艺
CN106952567A (zh) * 2017-03-29 2017-07-14 江苏兴广包装科技有限公司 一种全息定位复合膜生产方法
CN107009775A (zh) * 2017-03-29 2017-08-04 江苏兴广包装科技有限公司 一种全息定位转移膜生产方法

Also Published As

Publication number Publication date
WO2006045763A2 (fr) 2006-05-04
EP1827800B1 (de) 2010-10-13
RU2007119640A (ru) 2008-12-10
DE602005024167D1 (de) 2010-11-25
ATE484375T1 (de) 2010-10-15
WO2006045763A3 (fr) 2006-06-29
CA2584734A1 (fr) 2006-05-04
US20090130311A1 (en) 2009-05-21
EP1827800A2 (de) 2007-09-05

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