FR2637532A1 - Method for the manufacture of sheets made of a composite material and sheets obtained thereby; in particular for making up a spectacles frame - Google Patents

Method for the manufacture of sheets made of a composite material and sheets obtained thereby; in particular for making up a spectacles frame Download PDF

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Publication number
FR2637532A1
FR2637532A1 FR8811303A FR8811303A FR2637532A1 FR 2637532 A1 FR2637532 A1 FR 2637532A1 FR 8811303 A FR8811303 A FR 8811303A FR 8811303 A FR8811303 A FR 8811303A FR 2637532 A1 FR2637532 A1 FR 2637532A1
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France
Prior art keywords
plate
elementary
plates
composite plate
composite
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Granted
Application number
FR8811303A
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French (fr)
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FR2637532B1 (en
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ZOCCOLO MARTINE
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ZOCCOLO MARTINE
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Priority to FR8811303A priority Critical patent/FR2637532B1/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
    • B29C43/021—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles characterised by the shape of the surface
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
    • B29C43/20—Making multilayered or multicoloured articles
    • B29C43/203—Making multilayered articles
    • B29C43/206—Making multilayered articles by pressing the material between two preformed layers, e.g. deformable layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/68—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts by incorporating or moulding on preformed parts, e.g. inserts or layers, e.g. foam blocks
    • B29C70/685—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts by incorporating or moulding on preformed parts, e.g. inserts or layers, e.g. foam blocks by laminating inserts between two plastic films or plates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • B32B27/308—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising acrylic (co)polymers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
    • B32B3/30—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by a layer formed with recesses or projections, e.g. hollows, grooves, protuberances, ribs
    • 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
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
    • B29C43/021—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles characterised by the shape of the surface
    • B29C2043/023—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles characterised by the shape of the surface having a plurality of grooves
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2793/00—Shaping techniques involving a cutting or machining operation
    • B29C2793/009—Shaping techniques involving a cutting or machining operation after shaping
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C59/00—Surface shaping of articles, e.g. embossing; Apparatus therefor
    • B29C59/02—Surface shaping of articles, e.g. embossing; Apparatus therefor by mechanical means, e.g. pressing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0018—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds having particular optical properties, e.g. fluorescent or phosphorescent
    • B29K2995/002—Coloured
    • B29K2995/0021—Multi-coloured
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0018—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds having particular optical properties, e.g. fluorescent or phosphorescent
    • B29K2995/0026—Transparent
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2012/00—Frames
    • B29L2012/005—Spectacle frames
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2305/00—Condition, form or state of the layers or laminate
    • B32B2305/10—Fibres of continuous length
    • B32B2305/18—Fabrics, textiles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/40—Properties of the layers or laminate having particular optical properties
    • B32B2307/402—Coloured
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/40—Properties of the layers or laminate having particular optical properties
    • B32B2307/412—Transparent
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2333/00—Polymers of unsaturated acids or derivatives thereof
    • B32B2333/04—Polymers of esters
    • B32B2333/12—Polymers of methacrylic acid esters, e.g. PMMA, i.e. polymethylmethacrylate

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Laminated Bodies (AREA)

Abstract

The invention relates to a composite sheet made of plastic. A decorative article 8 is sandwiched between the elementary sheets 7 and 9 of a same thermoplastic material, which is transparent for 9. The stacked arrangement is both compressed and heated in a mould without using any solvent. The article 8 can be a fabric. Application: the decorated composite sheet 7, 8, 9 can be used for cutting out a spectacles frame.

Description

La présente invention est relative à un procède nou
veau pour la fabrication de plaques en un matériau composite
à base de substances synthétiques du genre de celles qu'on
désigne sous la dénomination générale de: Matières plasti
ques". Elle concerne également à titre de produits industri
els nouveaux, d'une part les plaques ainsi fabriquées, d'au
tre part les montures de lunettes ou tous autres objets manu-
facturés à partir de telles plaques.The present invention relates to a new method.
calf for the production of plates from a composite material
based on synthetic substances like those
designates under the general name of: Plastic materials
ques ". It also concerns as industrial products
els new, on the one hand the plates thus produced, at least
except glasses frames or any other hand-made object
billed from such plates.

On connait diverses tentatives qui ont été faites pour
fabriquer des plaques de matière plastique contenant diverses
inclusions, notamment envue d'obtenir un effet décoratif par
ticulier. Par exemple il a été essayé d'inclure un tissu im
primé ou décoré, dans l'épaisseur d'une plaque de matière
plastique à travers laquelle Ce tissu reste visible.We know of various attempts that have been made to
make plastic plates containing various
inclusions, in particular to obtain a decorative effect by
particular. For example it has been tried to include a tissue im
award-winning or decorated, in the thickness of a plate of material
plastic through which this fabric remains visible.

Ces tentatives se sont soldées par de mauvais résultats,
et ceci pour diverses raisons techniques.These attempts have resulted in poor results,
and this for various technical reasons.

Par exemple, on a essayé de placer le tissu entre deux
plaques élémentaires de matière plastique dont l'assemblage
est assuré par collage pour obtenir la plaque composite finale.For example, we tried to place the fabric between two
elementary plastic plates, the assembly of which
is ensured by bonding to obtain the final composite plate.

En fait, pour que la plaque élémentaire supérieure soit trans
parente, on était pratiquement obligé de la réaliser en acétate
de cellulose cristal et de réaliser l'assemblage à l'aide d'un
solvant. On constate alors que l'acétate de cellulose tient
mal et tend à se séparer du tissu dans la plaque composite
finale. De plus, après assemblage, les couleurs du tissu ont
bavé ou sont modifiées: en fait le résultat n'est présentable
qu'avec des tissus en coton. Enfin, dans tous les cas, le tis
su doit être placé sensiblement à mi-épaisseur dans la plaque
composite finale, si bien que l'épaisseur de l'acétate de cel fldlose cristal est relativement importante: on voit alors mal
les détails, mailles ou autres du tissu, ce qui interdit cer
tains effets décoratifs.Enfin, il n'est pas possible d'avoir
une plaque élémentaire inférieure en une matière noire ou de
couleur sombre.In fact, so that the upper elementary plate is trans
parent, we were practically obliged to realize it in acetate
cellulose crystal and assemble using a
solvent. It is then observed that the cellulose acetate holds
poorly and tends to separate from the tissue in the composite plate
final. In addition, after assembly, the colors of the fabric have
sloppy or are modified: in fact the result is not presentable
only with cotton fabrics. Finally, in all cases, the tis
su must be placed substantially mid-thickness in the plate
composite final, so that the thickness of the acetate of cel fldlose crystal is relatively important: it is therefore difficult to see
details, mesh or other fabric, which prohibits cer
some decorative effects. Finally, it is not possible to have
a lower elementary plate in black material or
dark color.

La présente invention a pour but d'éviter ces inconvé-
nients en réalisant, notamment pour la fabrication des montu
res de lunettes, une plaque composite décorée à laquelle est
incorporé, près de sa surface visible, un objet de nature et
d'aspect quelconques. En particulier il peut s'agir
- d'un tissu ou autre matériau analogue (tissu tissé, tissu tricoté, tissu non tissé, papier, feutre, etc...)
- d'un motif décoratif imprimé ; par exemple par sérigraphie, sur le tissu ou sur une plaque élémentaire inférieure
- d'un objet à trois dimensions (écusson, sigle, plume, graines, etc...).The object of the present invention is to avoid these drawbacks.
nients by carrying out, in particular for the manufacture of
res of glasses, a decorated composite plate to which is
incorporated, near its visible surface, an object of nature and
of any appearance. In particular it can be
- a fabric or other similar material (woven fabric, knitted fabric, non-woven fabric, paper, felt, etc.)
- a printed decorative motif; for example by screen printing, on the fabric or on a lower elementary plate
- a three-dimensional object (badge, acronym, feather, seeds, etc.).

Dans le cas d'un tissu analogue, il peut etre imprimé, lamé, métallisé, présentant ou non des effets de relief. In the case of a similar fabric, it can be printed, lamé, metallized, with or without relief effects.

D'une manière générale, l'objet peut être en tout matériau présentant un décor intéressant ou un effet décoratif intéressant, susceptible d'apparaître par transparence à travers une plaque élémentaire supérieure. In general, the object can be of any material having an interesting decoration or an interesting decorative effect, capable of appearing by transparency through an upper elementary plate.

Le procédé pour la fabrication selon l'invention d'une plaque composite par assemblage au moins de deux plaques élémentaires situées de part et d'autre d'un objet, tissu ou analogue, est caractérisé en ce que chacune des deux plaques élémentaires est en une matière plastique thermofusible, tandis que l'empilage de l'objet et des plaques entre lesquelles il est pris en sandwich, est placé entre les deux parties alun moule de compression où cet cet empilage est chauffé pendant qu'on le comprime, ce qui a pour effet, sans aucun solvant, d'imprégner le tissu à travers lequel les plaques élé- mentaires se trouvent assemblées après refroidissement. The process for the production according to the invention of a composite plate by assembling at least two elementary plates located on either side of an object, fabric or the like, is characterized in that each of the two elementary plates is in a hot-melt plastic, while the stack of the object and of the plates between which it is sandwiched, is placed between the two parts in a compression mold where this stack is heated while it is being compressed, which has the effect, without any solvent, of impregnating the fabric through which the elementary plates are assembled after cooling.

Suivant une autre caractéristique de l'invention, les deux plaques élémentaires sont en une même matière, par exemple en un polyméthacrylate de methyle du genre connu sous la dénomination commerciale "PLEXIGLAS" ce qui permet une grande diversité pour les matériaux de l'objet interposé. According to another characteristic of the invention, the two elementary plates are made of the same material, for example a polymethyl methacrylate of the kind known under the trade name "PLEXIGLAS" which allows great diversity for the materials of the object interposed .

Suivant une autre caractéristique de l'invention, les plaques élémentaires superposées sont en acétate de cellulose. According to another characteristic of the invention, the superimposed elementary plates are made of cellulose acetate.

Suivant une autre caractéristique de l'invention, la plaque elementaire transparente à travers laquelle le tissu reste visible dans la plaque composite finale, possède une épaisseur inférieureàcelle de l'ensemble de la #(ou des) plaques élémentaires sous-jacentes. Autrement dit, dans la plaque composite finale, le tissu reste près de la surface et tous ses détails (mailles, reflets, ou autre) restent visibles, bien en évidence, sans que pour autant soit compromise la co hésion de la plaque composite. According to another characteristic of the invention, the transparent elementary plate through which the fabric remains visible in the final composite plate, has a thickness less than that of the whole of the underlying elementary plate (s). In other words, in the final composite plate, the fabric remains close to the surface and all its details (mesh, reflections, or other) remain visible, clearly visible, without compromising the co hesion of the composite plate.

Suivant une autre caractéristique de l'invention, la (ou les) plaques élémentaires inférieures peuvent être de nature et de coloris quelconques opaque ou transparent; de couleur claire ou de couleur sombre). En particulier, on peut prévoir une couche élémentaire inférieure de couleur noire, sans que le tissu n'apparaisse noir sur la plaque composite finale, comme cela est le cas dans les produits connus. According to another characteristic of the invention, the lower elementary plate (s) can be of any opaque or transparent nature and color; light or dark). In particular, it is possible to provide a lower elementary layer of black color, without the fabric appearing black on the final composite plate, as is the case in known products.

Dans tous les cas, le procédé selon l'invention consiste à échauffer l'empilage du tissu et des plaques élémentaires, puis à l'écraser sans déformer le décor. In all cases, the method according to the invention consists in heating the stack of fabric and the elementary plates, then in crushing it without deforming the decoration.

Le dessin annexé, donné à titre d'exemple non limitatif, permettra de mieux comprendre l'invention et les avantages qu'elle est susceptible de procurer. The appended drawing, given by way of nonlimiting example, will allow a better understanding of the invention and the advantages which it is likely to provide.

Figure 1 est une vue en #oupe d'un moule chauffant utilisable pour la mise en oeuvre du procédé selon l'invention. Figure 1 is a section view of a heating mold usable for implementing the method according to the invention.

Figure 2 correspond à une variante où la plaque élémentaire inférieure comporte un motif en relief qui sera communiqué au tissu après assemblage à chaud. Figure 2 corresponds to a variant where the lower elementary plate has a raised pattern which will be communicated to the fabric after hot assembly.

Figures 3 et 4 montrent les plaques composites obtenues dans le cas des variantes, respectivement de la figure 1 et de la figure 2. FIGS. 3 and 4 show the composite plates obtained in the case of the variants, respectively of FIG. 1 and of FIG. 2.

Figure 5 montre la face d'une monture de lunettes, découpée dans une plaque composite décorée selon l'invention. Figure 5 shows the face of a spectacle frame, cut from a composite plate decorated according to the invention.

On a représenté sur la figure 1 un moule chauffant qui comprend une partie mâle 1 et une partie femelle 2. Cette dernière est formée par un fond 3 entouré d'un rebord 4. Dans l'exemple illustré, le fond 3 est plat. There is shown in Figure 1 a heating mold which comprises a male part 1 and a female part 2. The latter is formed by a bottom 3 surrounded by a flange 4. In the example illustrated, the bottom 3 is flat.

La partie mâle 1 est formée par un plateau 5 d'où dépasse un bossage 6 susceptible de s'emboîter dans l'empreinte de la partie femelle 2 pour y comprimer l'empilage d'éléments tels que 7, 8, et 9 qu'on y a dispose. The male part 1 is formed by a plate 5 from which protrudes a boss 6 capable of fitting into the imprint of the female part 2 to compress the stack of elements such as 7, 8, and 9 that we have it.

Les éléments 7 et 9 sont deux plaques élémentaires de matières plastique, placées de part et d'autre d'un tissu 8 qui forme l'élément central. The elements 7 and 9 are two elementary plastic plates, placed on either side of a fabric 8 which forms the central element.

Le tissu 8 peut être de nature quelconque, tissé ou tricoté, voire même une feuille de non-tissé. Il peut être décoré ou non, de tout coloris. Par exemple, il peut s'agir d'un tiF su imprimé qui, dans le cas de la figure 2, porte des motifs décoratifs 10. Il peut aussi être remplacé
- ou bien par une sérigraphie imprimée directement sur la plaque élémentaire 7
- ou bien par un ou plusieurs objets divers (chaîne métallique, macaron décoratif, sigle, papier décoré, etc...)
La plaque inférieure 7 est une plaque solide, fabriquée dans une opération précédente, et qu'on place sur le fond 3 avant de refermer le moule.The fabric 8 can be of any kind, woven or knitted, or even a sheet of nonwoven. It can be decorated or not, in any color. For example, it may be a printed tiF su which, in the case of FIG. 2, carries decorative patterns 10. It can also be replaced
- or by a serigraph printed directly on the elementary plate 7
- or by one or more various objects (metal chain, decorative badge, logo, decorated paper, etc.)
The lower plate 7 is a solid plate, manufactured in a previous operation, and which is placed on the bottom 3 before closing the mold.

Par contre, la plaque supérieure 9 est préférablement sans cohérence, formée par une nappe de flocons ll en matière plastique ou de grains en matière appropriée. On the other hand, the upper plate 9 is preferably without coherence, formed by a sheet of flakes 11 made of plastic material or of grains made of suitable material.

Une fois le moule 1, 2 refermé, l'empilage 7, 8, 9 se trouve à la fois comprimé et chauffé jusqu'à ce que la matière des flocons 11 soit plastifiée. Elle imprègne alors le tissus S pour se souder intimement à la matière de la plaque inférieure 7, si bien qu'après solidification et démoulage, on obtient une unique plaque composite 12 (figure 3)
En particulier, le procédé selon l'invention permet de conférer à la plaque élémentaire supérieure 9, une épaisseur 13 nettement plus faible que l'épaisseur 14 de la ou des plaques sous-jacentes 7. Cela est particulièrement avantageux si la plaque élémentaire supérieure 9 est en matière transparente, car alors sa faible épaisseur laisse appara- tre sans les modifier, tous les détails du tissu 8.Par exemple, s'il s'agit d'un tissu#lémé, tous les détails et les reflets métalliques du décor restent visibles.Once the mold 1, 2 is closed, the stack 7, 8, 9 is both compressed and heated until the material of the flakes 11 is plasticized. It then permeates the fabric S to be intimately welded to the material of the lower plate 7, so that after solidification and demolding, a single composite plate 12 is obtained (FIG. 3)
In particular, the method according to the invention makes it possible to give the upper elementary plate 9, a thickness 13 markedly less than the thickness 14 of the underlying plate or plates 7. This is particularly advantageous if the upper elementary plate 9 is in transparent material, because then its thin thickness lets appear without modifying, all the details of the fabric 8.For example, if it is a # lemé fabric, all the details and the metallic reflections of the decor remain visible.

Dans la variante illustrée sur les figures 2 et 4, la face supérieure de la plaque élémentaire 7 comporte une série de reliefs 15 formant par exemple des ondulations. Dans ce cas, lorsqu'on la place dans l'empreinte de la partie femelle #'idu'moule, elle s'applique à plat sur le fond 3. In the variant illustrated in FIGS. 2 and 4, the upper face of the elementary plate 7 comprises a series of reliefs 15 forming, for example undulations. In this case, when placed in the imprint of the female part # 'idu'moule, it is applied flat on the bottom 3.

Puis, lorsqu'on y pose le tissu 8, celui-ci prend appui sur les ondulations 15. Ensuite on saupoudre les flocons 11. et on ferme le moule 1, 2 paurciheuffer et comprimer l'empilage 7, 8, 9. Après solidification et démoulage, on constate que la plaque composite 12 ainsi obtenue (figure 4) est plane sur ses deux faces supérieure 16 et inférieure 17, mais que le tissu intermédiaire 8 a épousé la forme des ondulations 15. Il est alors visible, avec son détrg et ses reliefs, à travers la mince plaque supérieure transparante 9.Then, when the fabric 8 is placed there, it rests on the corrugations 15. Then we sprinkle the flakes 11. and we close the mold 1, 2 paurciheuffer and compress the stack 7, 8, 9. After solidification and demolding, it is noted that the composite plate 12 thus obtained (FIG. 4) is planar on its two upper 16 and lower 17 faces, but that the intermediate fabric 8 has taken the form of the corrugations 15. It is then visible, with its detr and its reliefs, through the thin transparent upper plate 9.

Finalement, la plaque composite décorée 12 ainsi obtenue peut être utilisée pour toute application souhaitée. En particulier, on peut y tailler la face 18 d'une monture de lunettestfigure 5), ou tout autre article, par exemple pour la parure, la coiffure, ou la décoration. On comprend que ce procédé permette la fabrication de lunettes, peignes, barrettes à cheveux ou autres, présentant un aspectinédit dont les variantes ou combinaisons sont en nombre pratiquement iîlîmitc  Finally, the decorated composite plate 12 thus obtained can be used for any desired application. In particular, it is possible to cut there the face 18 of a spectacle frame (Figure 5), or any other article, for example for adornment, hairstyle, or decoration. It is understood that this process allows the manufacture of glasses, combs, hair clips or the like, having a novel aspect whose variants or combinations are practically very limited in number.

Claims (11)

REJENDYCATIOt4SREJENDYCATIOt4S 1 - Procédé pour la fabrication d'une plaque composite par assemblage d'au moins deux plaques élémentaires situées de part et d'autre d'un objet décoratif ou analogue (8), caractérisé en ce que chacune des deux plaques élémentaires (7) et (9) est en une matière thermofusible tandis que l'empilage de l'objet (8) et des plaques élémentaires (7), (9) entre lesquelles il est pris en sandwich, est placé entre les deux parties (1) et (2) d'un moule de compression où cet empilage est chauffé pendant qu'on le comprime, ce qui a pour effet, sans utiliser aucun solvant, d'imprégner l'objet (8) à travers lequel les plaques élémentaires (7) et (9) se trouvent assemblées après refroidissement, pour former une plaque composite unique (12). 1 - Method for manufacturing a composite plate by assembling at least two elementary plates located on either side of a decorative or similar object (8), characterized in that each of the two elementary plates (7) and (9) is made of a hot-melt material while the stack of the object (8) and of the elementary plates (7), (9) between which it is sandwiched, is placed between the two parts (1) and (2) a compression mold where this stack is heated while it is being compressed, which has the effect, without using any solvent, of impregnating the object (8) through which the elementary plates (7) and (9) are assembled after cooling, to form a single composite plate (12). 2- Procédé suivant la revendication 1, caractérisée en ce qu'avant la fermeture du moule (1), (2), la plaque élémentaire supérieure (9) est sans cohérence, formée par une nappe de grains ou flocons (11) en une matière plastique thermofusible. 2- A method according to claim 1, characterized in that before the closing of the mold (1), (2), the upper elementary plate (9) is inconsistent, formed by a sheet of grains or flakes (11) in one hot melt plastic. 3 - Procédé suivant l'une quelconque des revendications 1 et 2, caractérisé en ce que la face supérieure de la plaque élémentaire inférieure (7) comporte une série de reliefs (15).  3 - Method according to any one of claims 1 and 2, characterized in that the upper face of the lower elementary plate (7) comprises a series of reliefs (15). 4 - Procédé suivant la revendication 3, caractérisé en ce que les reliefs (15) forment des ondulations. 4 - Method according to claim 3, characterized in that the reliefs (15) form undulations. 5 - Procédé suivant l'une quelconque des revendications précédentes, caractérisé en ce que la plaque élémentaire supérieure (9) est en une matière transparente, colorée ou non. 5 - Method according to any one of the preceding claims, characterized in that the upper elementary plate (9) is made of a transparent material, colored or not. 6 - Plaque (12) en matière composite obtenue par la mise en oeuvre du procédé suivant l'une quelconque des revendications précédentes, caractérisé en ce qu'elle comporte, noyé dans son épaisseur, un objet décoratif (8) dont tous les détails restent visibles à travers une plaque élémentaire supérieure (9) qui est transparente. 6 - Plate (12) made of composite material obtained by implementing the method according to any one of the preceding claims, characterized in that it comprises, embedded in its thickness, a decorative object (8) of which all the details remain visible through an upper elementary plate (9) which is transparent. 7 - Plaque composite (12) suivant la re vendication 6, caractérisée en ce que l'épaisseur (13) de la plaque élémentaire supérieure (9; est inférieure a l'épaisseur (14) de la plaque élémentaire sous-jacente 17). 7 - Composite plate (12) according to re vendication 6, characterized in that the thickness (13) of the upper elementary plate (9; is less than the thickness (14) of the underlying elementary plate 17). 8 - Plaque composite (12) suivant l'une quelconque des revendications 6 et 7, caractérisée en ce que son objet decoratif (8) est situé entre deux plaques élémentaires (7) et (9) de coloris différents. 8 - composite plate (12) according to any one of claims 6 and 7, characterized in that its decorative object (8) is located between two elementary plates (7) and (9) of different colors. 9 - Plaque composite (12) suivant la revendication 8, caractériseeien ce que la plaque élémentaire inférieure (7) est de couleur sombre, voire totalement noire. 9 - composite plate (12) according to claim 8, characterized in that the lower elementary plate (7) is dark in color, even completely black. 10 - Plaque composite (12) suivant l'une quelconque des revendications 6 à 9, caractérisée ence que son objet décoratif (s) est un tissu. 10 - Composite plate (12) according to any one of claims 6 to 9, characterized in that its decorative object (s) is a fabric. Il - Plaque composite (12) suivant l'une quelconque des revendications 6 à 9 et 10, caractérisée en ce que les plaques élémentaires (7) et (9) sont en polyméthacrylate de méthyle II - Composite plate (12) according to any one of claims 6 to 9 and 10, characterized in that the elementary plates (7) and (9) are made of polymethyl methacrylate 12 - Monture de lunettes (18) taillée dans une plaque composite (12) suivant l'une quelconque des revendications 6 à 11, caractérisée en ce qu'y est incorporé un objet décoratif (8) dont tous les détails, et notamment un éventuel décor (10), d'éventuels reliefs (15) ou d'éventuels reflets métalliques, sont visibles par transparence à travers une mince plaque élémentaire transparente (9).  12 - Spectacle frame (18) cut in a composite plate (12) according to any one of claims 6 to 11, characterized in that there is incorporated a decorative object (8) of which all the details, and in particular a possible decoration (10), possible reliefs (15) or possible metallic reflections, are visible by transparency through a thin transparent elementary plate (9).
FR8811303A 1988-08-22 1988-08-22 PROCESS FOR THE MANUFACTURE OF PLATES OF A COMPOSITE MATERIAL AND PLATES THUS OBTAINED; IN PARTICULAR TO MANUFACTURE A GLASSES FRAME Expired - Fee Related FR2637532B1 (en)

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FR2780255A1 (en) * 1998-06-26 1999-12-31 Jean Bruno Joga Rigid, decorative furnishing composite production
GB2351043A (en) * 1999-05-05 2000-12-20 Mary Thorpe A decorative element eg a panel, comprising a fabric embedded in a transparent solid plastics
FR2798148A1 (en) * 1999-09-07 2001-03-09 Didier Bosc Laminated textile material incorporates layer of printed paper beneath outer transparent layer
WO2007045316A1 (en) * 2005-10-20 2007-04-26 Montblanc-Simplo Gmbh Method for producing a transparent body that incorporates an object
WO2009001391A1 (en) * 2007-06-27 2008-12-31 Valmec S.R.L. Method for the manufacture of frames for spectacles and a spectacle frame thus obtained
EP2035240A1 (en) 2006-04-30 2009-03-18 OKIA Optical Co. Ltd. Laminate for eyeglass frame with embedded decorative design pattern and manufacturing method thereof
ITTO20120686A1 (en) * 2012-07-31 2012-10-30 Marisa Belloni PROCEDURE FOR PRODUCING LAYERS OF HUMAN HAIR
ITMI20131582A1 (en) * 2013-09-25 2015-03-26 Mazzucchelli 1949 S P A PROCESS OF MANUFACTURE OF A PRODUCT BASED ON CELLULOSE ACETATE WITH SHADED COLORING AND PRODUCT OBTAINED BY THIS PROCESS.
WO2015155672A1 (en) * 2014-04-09 2015-10-15 SAFILO SOCIETÀ AZIONARIA FABBRICA ITALIANA LAVORAZIONE OCCHIALI S.p.A. A method of making frame components for spectacles and a component made by this method
EP2758829B1 (en) 2011-09-21 2016-03-23 OKIA Optical Co. Ltd. Method of making eyeglass frame by injection molding
US9594256B2 (en) 2012-08-24 2017-03-14 Okia Optical Co., Ltd. Thermoplastic laminate, decorative part for eyewear and process of preparation thereof
EP3345753A4 (en) * 2015-09-07 2018-08-01 Daomin Wang Method for fabricating multi-color cellulose acetate spectacle frame
WO2018219557A1 (en) * 2017-05-31 2018-12-06 SAFILO SOCIETÀ AZIONARIA FABBRICA ITALIANA LAVORAZIONE OCCHIALI S.p.A. Method for manufacturing spectacle frame components and frame components produced using said method
EP2509770B1 (en) * 2009-12-11 2023-06-07 Flextronics AP LLC System and method for overmolding of decorated plastic parts

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FR1360187A (en) * 1963-01-16 1964-05-08 Brookpark One-step molding process
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WO2000000063A1 (en) * 1998-06-26 2000-01-06 Joga Jean Bruno Method for making a material in particular for furniture, said material and furniture made of said material
FR2780255A1 (en) * 1998-06-26 1999-12-31 Jean Bruno Joga Rigid, decorative furnishing composite production
GB2351043A (en) * 1999-05-05 2000-12-20 Mary Thorpe A decorative element eg a panel, comprising a fabric embedded in a transparent solid plastics
GB2351043B (en) * 1999-05-05 2003-07-09 Mary Thorpe Decorative elements and methods of manufacturing such elements
FR2798148A1 (en) * 1999-09-07 2001-03-09 Didier Bosc Laminated textile material incorporates layer of printed paper beneath outer transparent layer
WO2007045316A1 (en) * 2005-10-20 2007-04-26 Montblanc-Simplo Gmbh Method for producing a transparent body that incorporates an object
US8343405B2 (en) 2005-10-20 2013-01-01 Montblanc-Simplo Gmbh Method for producing a transparent body that incorporates an object
EP2035240A1 (en) 2006-04-30 2009-03-18 OKIA Optical Co. Ltd. Laminate for eyeglass frame with embedded decorative design pattern and manufacturing method thereof
WO2009001391A1 (en) * 2007-06-27 2008-12-31 Valmec S.R.L. Method for the manufacture of frames for spectacles and a spectacle frame thus obtained
EP2509770B1 (en) * 2009-12-11 2023-06-07 Flextronics AP LLC System and method for overmolding of decorated plastic parts
EP2758829B1 (en) 2011-09-21 2016-03-23 OKIA Optical Co. Ltd. Method of making eyeglass frame by injection molding
EP2692540A1 (en) * 2012-07-31 2014-02-05 Marisa Belloni Process for producing layers of human hair
ITTO20120686A1 (en) * 2012-07-31 2012-10-30 Marisa Belloni PROCEDURE FOR PRODUCING LAYERS OF HUMAN HAIR
US9594256B2 (en) 2012-08-24 2017-03-14 Okia Optical Co., Ltd. Thermoplastic laminate, decorative part for eyewear and process of preparation thereof
US10401644B2 (en) 2012-08-24 2019-09-03 Okia Optical Co., Ltd. Thermoplastic laminate, decorative part for eyewear and process of preparation thereof
EP2871035A1 (en) * 2013-09-25 2015-05-13 Mazzucchelli 1849 S.p.A. Manufacturing process of a product based on cellulose acetate with blended colour, and product, such as spectacles, obtained by such process
ITMI20131582A1 (en) * 2013-09-25 2015-03-26 Mazzucchelli 1949 S P A PROCESS OF MANUFACTURE OF A PRODUCT BASED ON CELLULOSE ACETATE WITH SHADED COLORING AND PRODUCT OBTAINED BY THIS PROCESS.
US9776345B2 (en) 2013-09-25 2017-10-03 Mazzucchelli 1849 S.P.A. Manufacturing process of a product based on cellulose acetate with blended colour
WO2015155672A1 (en) * 2014-04-09 2015-10-15 SAFILO SOCIETÀ AZIONARIA FABBRICA ITALIANA LAVORAZIONE OCCHIALI S.p.A. A method of making frame components for spectacles and a component made by this method
US10661516B2 (en) 2014-04-09 2020-05-26 Safilo Società Azionaria Fabrica Italiana Lavorazione Occhiali S.P.A. Method of making frame components for spectacles and a component made by this method
EP3345753A4 (en) * 2015-09-07 2018-08-01 Daomin Wang Method for fabricating multi-color cellulose acetate spectacle frame
WO2018219557A1 (en) * 2017-05-31 2018-12-06 SAFILO SOCIETÀ AZIONARIA FABBRICA ITALIANA LAVORAZIONE OCCHIALI S.p.A. Method for manufacturing spectacle frame components and frame components produced using said method

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