FR2521076A1 - Printing graphics on back of transparent plastic sheet - thermally bonded or sewn to backing support, by transferring image to plastic, combining with support etc. - Google Patents
Printing graphics on back of transparent plastic sheet - thermally bonded or sewn to backing support, by transferring image to plastic, combining with support etc. Download PDFInfo
- Publication number
- FR2521076A1 FR2521076A1 FR8201968A FR8201968A FR2521076A1 FR 2521076 A1 FR2521076 A1 FR 2521076A1 FR 8201968 A FR8201968 A FR 8201968A FR 8201968 A FR8201968 A FR 8201968A FR 2521076 A1 FR2521076 A1 FR 2521076A1
- Authority
- FR
- France
- Prior art keywords
- support
- sheet
- image
- transparent
- plastic sheet
- 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
- 229920003023 plastic Polymers 0.000 title claims abstract description 27
- 239000004033 plastic Substances 0.000 title claims abstract description 15
- 239000002985 plastic film Substances 0.000 title claims description 15
- 238000000034 method Methods 0.000 claims abstract description 27
- 239000000463 material Substances 0.000 claims description 11
- 239000013078 crystal Substances 0.000 claims description 7
- 239000000123 paper Substances 0.000 claims description 7
- 238000003466 welding Methods 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 238000009958 sewing Methods 0.000 claims description 4
- 239000004753 textile Substances 0.000 claims description 4
- 239000002131 composite material Substances 0.000 claims description 3
- 230000005855 radiation Effects 0.000 claims description 3
- 238000013508 migration Methods 0.000 abstract description 3
- 230000005012 migration Effects 0.000 abstract description 3
- 239000003086 colorant Substances 0.000 abstract description 2
- 230000015556 catabolic process Effects 0.000 abstract 1
- 238000005034 decoration Methods 0.000 abstract 1
- 238000006731 degradation reaction Methods 0.000 abstract 1
- 239000003570 air Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229920000915 polyvinyl chloride Polymers 0.000 description 3
- 239000004800 polyvinyl chloride Substances 0.000 description 3
- 239000012080 ambient air Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 235000011888 snacks Nutrition 0.000 description 1
- 238000000859 sublimation Methods 0.000 description 1
- 230000008022 sublimation Effects 0.000 description 1
Classifications
-
- 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
- B44C1/16—Processes, not specifically provided for elsewhere, for producing decorative surface effects for applying transfer pictures or the like
- B44C1/165—Processes, not specifically provided for elsewhere, for producing decorative surface effects for applying transfer pictures or the like for decalcomanias; sheet material therefor
- B44C1/17—Dry transfer
- B44C1/1712—Decalcomanias applied under heat and pressure, e.g. provided with a heat activable adhesive
- B44C1/1725—Decalcomanias applied under heat and pressure, e.g. provided with a heat activable adhesive using an intermediate support
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M1/00—Inking and printing with a printer's forme
- B41M1/26—Printing on other surfaces than ordinary paper
- B41M1/30—Printing on other surfaces than ordinary paper on organic plastics, horn or similar materials
Landscapes
- Decoration By Transfer Pictures (AREA)
Abstract
Description
La présente invention est relative à un nouveau procédé d'impression sur des matières plastiques ou analogues. The present invention relates to a new printing process on plastics or the like.
Elle est plus particulièrement relative à un procédé pour réaliser des dessins ou graphismes décoratifs sur des articles de mode, publicitaires ou utilitaires tels que fourretout, étuis en tous genres (sacoches, porte-goûter, etc.).It relates more particularly to a process for producing decorative designs or graphics on fashion, advertising or utility articles such as tote bags, cases of all kinds (bags, snack holders, etc.).
L'impression d'un dessin sur la matière plastique se fait actuellement par une méthode de transfert. Le dessin est réalisé sur un papier spécial dit papier transfert, qui joue le rôle du blanchet d'offset, et qui permet de reporter l'image sur un support spécial traité au chlorure de polyvinyle. Ainsi, on applique le papier transfert sur ce support à impressionner, sous pression (et éventuellement en chauffant) de manière à transférer les dessins, graphismes, ou images sur le support plastique, ce procédé étant connu sous le nom de "sublimation". Printing a design on plastic is currently done by a transfer method. The drawing is made on a special paper called transfer paper, which plays the role of offset blanket, and which allows the image to be transferred to a special support treated with polyvinyl chloride. Thus, the transfer paper is applied to this support to be impressed, under pressure (and possibly by heating) so as to transfer the drawings, graphics, or images to the plastic support, this process being known by the name of "sublimation".
Ce procédé comporte de nombreux inconvénients et notamment
1) les supports plastiques doivent être traités spécialement pour pouvoir être impressionnés
2) l'impression réalisée'donne un dessin ou une image d'aspect mat, non brillant
3) l'image réalisée étant en contact direct avec l'air ambiant, les couleurs se dégradent rapidement et par effet de migration, elle devient, avec le temps, de plus en plus floue
4) de plus, en raison de cet effet de migration, lorsque les objets impressionnés sont en contact les uns avec les autres, il se produit un transfert (plus ou moins partiel) de l'image d'un objet à l'autre, ce qui nécessite un isolement coûteux des articles emballés.This process has many drawbacks and in particular
1) the plastic supports must be treated specially to be able to be impressed
2) the printing carried out gives a drawing or an image of matt aspect, not shiny
3) the image produced being in direct contact with the ambient air, the colors quickly degrade and by migration effect, it becomes, over time, more and more blurred
4) moreover, due to this migration effect, when the impressed objects are in contact with one another, there is a (more or less partial) transfer of the image from one object to another, which requires costly isolation of the packaged items.
La présente invention s'est, par conséquent, donné pour but de pourvoir à un procédé d'impression sur des matières plastiques, qui répond mieux aux nécessités de la pratique que les procédés visant au même but antérieurement connus, notamment en ce qu'il permet de réaliser une impression brillante, non altérable à l'air et faisant partie intégrante du support plastique, tout en éliminant les risques énumérés plus haut, et notamment sous 3) et 4) cidessus. The present invention has, therefore, given itself the aim of providing a printing process on plastics, which better meets the needs of the practice than the processes aiming at the same aim previously known, in particular in that it makes it possible to achieve a brilliant impression, not alterable to air and forming an integral part of the plastic support, while eliminating the risks listed above, and in particular under 3) and 4) above.
La présente invention a pour objet un nouveau procédé d'impression d'un graphisme, d'un dessin ou d'une image colorés sur un support, caractérisé en ce que l'on effectue, au cours d'une première étape le transfert de l'image à partir de papier transfert, sur une feuille de matière plastique transparente, et en ce qu'au cours d'une deuxième étape, on réalise l'assemblage de cette feuille transparente avec le support, qui est avantageusement de couleur blanche ou claire, de telle manière que la face de ladite feuille transparente qui porte l'image transférée vienne s'appliquer contre le support, en sorte que l'image se trouve ainsi à l'abri de l'air. The subject of the present invention is a new process for printing a graphic design, a drawing or a colored image on a support, characterized in that, during a first step, the transfer of the image from transfer paper, on a transparent plastic sheet, and in that during a second step, the transparent sheet is assembled with the support, which is advantageously white or clear, so that the face of said transparent sheet which carries the transferred image comes to rest against the support, so that the image is thus sheltered from air.
Selon un mode de réalisation avantageux du procédé objet de la présente invention, la feuille de matière plastique transparente sur laquelle l'image est transférée au cours de la première étape est une feuille de matière plastique thermosoudable et l'assemblage de cette feuille avec le support est réalisé par soudage. According to an advantageous embodiment of the process which is the subject of the present invention, the transparent plastic sheet onto which the image is transferred during the first step is a heat-sealable plastic sheet and the assembly of this sheet with the support is made by welding.
Conformément à une disposition avantageuse de ce mode de réalisation, la feuille de matière plastique transparente thermosoudable et le support sont assemblés par soudage de leurs bords l'un à l'autre. In accordance with an advantageous arrangement of this embodiment, the sheet of transparent heat-sealable plastic material and the support are assembled by welding their edges to one another.
Conformément à une autre disposition avantageuse de ce mode de réalisation, l'assemblage de la feuille de matière plastique transparente thermosoudable sur le support est réalisé par soudage des deux surfaces qui se font face, l'une à l'autre. According to another advantageous arrangement of this embodiment, the assembly of the sheet of transparent heat-sealable plastic material on the support is carried out by welding the two surfaces which face each other.
Selon une autre caractéristique de la présente invention, l'opération de thermosoudage est réalisée sous une pression comprise entre 10 et 50 bars. According to another characteristic of the present invention, the heat-sealing operation is carried out under a pressure of between 10 and 50 bars.
Selon un mode de réalisation avantageux du procédé objet de la présente invention, le thermosoudage est ef -fectué dans une presse de chauffage par rayonnement hautefréquence. According to an advantageous embodiment of the process which is the subject of the present invention, the heat-sealing is carried out in a heating press by high-frequency radiation.
Selon un autre mode de réalisation avantageux du procédé objet de la présente invention, l'assemblage de la feuille de matière plastique transparente avec le support est réalisé par couture. According to another advantageous embodiment of the process which is the subject of the present invention, the assembly of the transparent plastic sheet with the support is carried out by sewing.
Conformément à l'invention, le matériau dont est constitué le support est choisi dans le groupe qui comprend des matériaux thermosoudables, tels que notamment : les textiles plastifiés, les matériaux composites formés par l'association d'une feuille de carton avec un support en matière plastique, les feuilles de matière plastique de couleur claire, et des matériaux assemblables par couture, tels que les textiles en particulier. According to the invention, the material from which the support is made is chosen from the group which comprises heat-sealable materials, such as in particular: plasticized textiles, composite materials formed by the association of a cardboard sheet with a support made of plastic material, plastic sheets of light color, and materials which can be assembled by sewing, such as textiles in particular.
Outre les dispositions qui précèdent, l'invention comprend encore d'autres dispositions qui ressortiront de la description qui va suivre. In addition to the foregoing arrangements, the invention also comprises other arrangements which will emerge from the description which follows.
La présente invention-vise particulièrement le procédé d'impression sur des matières plastiques de graphismes et d'images colorés conforme aux dispositions qui-précèdent, ainsi que les moyens propres à la mise en oeuvre de ce procédé et les procédés d'ensemble ainsi que les chaines de fabrication dans lesquels est inclus ledit procédé conforme à la présente invention. The present invention particularly relates to the process of printing on plastics graphics and colored images in accordance with the above provisions, as well as the means specific to the implementation of this process and the overall processes as well as the production lines in which said process in accordance with the present invention is included.
L'invention pourra être mieux comprise à l'aide du complément de description qui va suivre, qui se réfère à un exemple de mise en oeuvre du procédé objet de la présente invention. Il doit être bien entendu, toutefois, que cet exemple de mise en oeuvre qui sera décrit ci-après, est donné uniquement à titre d'illustration de l'objet de l'invention, mais n'en constitue en aucune manière une limitation. The invention can be better understood with the aid of the additional description which follows, which refers to an example of implementation of the method which is the subject of the present invention. It should be understood, however, that this exemplary implementation which will be described below, is given solely by way of illustration of the subject of the invention, but in no way constitutes a limitation thereof.
Selon l'invention, pour transférer un graphisme ou un dessin coloriés sur un support de toile plastifiée par exemple, on part d'un papier spécial dit papier transfert, sur lequel est porté le dessin ou le graphisme désiré ; on applique ensuite ce dessin sur une feuille transparente, par exemple sur une feuille de chlorure de polyvinyle dite reuille "cristal", c'est-à-dire sur une feuille généralement brillante,ou mate si on désire un effet final mat, et on opère le transfert de l'image sur cette feuille de façon connue en elle-même, en soumettant l'ensemble feuille de papier transfert et feuille de matière plastique transparente à une pression de 20 bars environ pendant environ 6 secondes. According to the invention, to transfer a graphic or a drawing colored on a support of plasticized canvas for example, one starts from a special paper called transfer paper, on which is carried the desired drawing or graphic; this drawing is then applied to a transparent sheet, for example to a sheet of polyvinyl chloride known as "crystal" leaf, that is to say to a generally glossy sheet, or matt if a final mat effect is desired, and operates the image transfer on this sheet in a manner known per se, by subjecting the transfer sheet and transparent plastic sheet assembly to a pressure of approximately 20 bars for approximately 6 seconds.
Le transfert opéré, le dessin et/ou les inscriptions et graphismes sont correctement lisibles par transparence à travers la feuille "cristal", c'est-à-dire du côté opposé au côté du transfert.The transfer made, the drawing and / or the inscriptions and graphics are correctly legible by transparency through the "crystal" sheet, that is to say on the side opposite to the side of the transfer.
Cette première opération terminée, on applique la feuille cristal portant l'image,contre le support définitif désiré, qu peut etre constitué, par exemple, par une toile plastifiée enduite de chlorure de polyvinyle clair ou blanc, ou par un matériau composite comprenant une feuille de carton portée par une feuille de support en matière plastique, en prenant la précaution d'appliquer la face de la feuille cristal portant l'image et/ou le graphisme, contre face correspondante du support, de manière à prendre l'image en sandwich entre la feuille cristal et le support. L'ensemble feuille et support est ensuite thermosoudé en l'introduisant dans une presse chauffante par rayonnement hautefréquence sous une pression de 35 bars environ (par exemple, presse "Thimonnier" du type Z 6-24, presse hydraulique automatique de haute-fréquence). This first operation completed, the crystal sheet bearing the image is applied against the desired final support, which may consist, for example, of a plasticized canvas coated with clear or white polyvinyl chloride, or by a composite material comprising a sheet of cardboard carried by a plastic support sheet, taking the precaution of applying the face of the crystal sheet carrying the image and / or the graphics, against the corresponding face of the support, so as to take the sandwich image between the crystal sheet and the support. The sheet and support assembly is then heat sealed by introducing it into a high-frequency radiation heating press under a pressure of about 35 bars (for example, "Thimonnier" press of the Z 6-24 type, automatic high-frequency hydraulic press) .
On obtient ainsi un support en toile plastifiée ou en un autre matériau convenable sur lequel est portée l'image désirée, qui a un aspect particulièrement brillant et qui est inaltérable à l'air. A support is thus obtained in plasticized canvas or in another suitable material on which the desired image is carried, which has a particularly shiny appearance and which is unalterable in air.
Il est évident que suivant le type de feuille cristal employée (teintée ou non, dépolie ou non, décorée ou non), on peut conférer au dessin vu par transparence, différents aspects désirés. It is obvious that according to the type of crystal sheet used (tinted or not, frosted or not, decorated or not), one can confer on the drawing seen by transparency, different desired aspects.
Ainsi que cela ressort de ce qui précède, l'invention ne se limite nullement à ceux de ses modes de mise en oeuvre, de réalisation et d'application qui viennent d'être décrits de façon plus explicite ; elle en embrasse au contraire toutes les variantes qui peuvent venir à l'esprit du technicien en la matière, sans s'écarter du cadre, ni de la portée de la présente invention. As is apparent from the above, the invention is in no way limited to those of its modes of implementation, embodiment and application which have just been described more explicitly; on the contrary, it embraces all the variants which may come to the mind of the technician in the matter, without departing from the scope or the scope of the present invention.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8201968A FR2521076A1 (en) | 1982-02-08 | 1982-02-08 | Printing graphics on back of transparent plastic sheet - thermally bonded or sewn to backing support, by transferring image to plastic, combining with support etc. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8201968A FR2521076A1 (en) | 1982-02-08 | 1982-02-08 | Printing graphics on back of transparent plastic sheet - thermally bonded or sewn to backing support, by transferring image to plastic, combining with support etc. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2521076A1 true FR2521076A1 (en) | 1983-08-12 |
| FR2521076B3 FR2521076B3 (en) | 1985-02-08 |
Family
ID=9270752
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8201968A Granted FR2521076A1 (en) | 1982-02-08 | 1982-02-08 | Printing graphics on back of transparent plastic sheet - thermally bonded or sewn to backing support, by transferring image to plastic, combining with support etc. |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2521076A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4931248A (en) * | 1987-06-12 | 1990-06-05 | Eta Sa Fabriques D'ebauches | Method of manufacturing an object of thermoplastics material having a decorative design |
| WO1996024490A1 (en) * | 1995-02-08 | 1996-08-15 | Lenticular Plastics, Inc. | Decorative system for apparel and method of making same |
| FR2739321A1 (en) * | 1995-10-02 | 1997-04-04 | Pechiney Recherche | PROCESS FOR PRODUCING PRINTED PACKAGES FROM PREFORMED DECOR |
-
1982
- 1982-02-08 FR FR8201968A patent/FR2521076A1/en active Granted
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4931248A (en) * | 1987-06-12 | 1990-06-05 | Eta Sa Fabriques D'ebauches | Method of manufacturing an object of thermoplastics material having a decorative design |
| WO1996024490A1 (en) * | 1995-02-08 | 1996-08-15 | Lenticular Plastics, Inc. | Decorative system for apparel and method of making same |
| FR2739321A1 (en) * | 1995-10-02 | 1997-04-04 | Pechiney Recherche | PROCESS FOR PRODUCING PRINTED PACKAGES FROM PREFORMED DECOR |
| WO1997012761A1 (en) * | 1995-10-02 | 1997-04-10 | Pechiney Recherche | Method for making printed packagings from a preshaped decorative portion |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2521076B3 (en) | 1985-02-08 |
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