FR2880362A1 - Flocked material for surfaces of three-dimensional articles uses backing layer of polymer or other fibres with adhesive coating and short filaments - Google Patents

Flocked material for surfaces of three-dimensional articles uses backing layer of polymer or other fibres with adhesive coating and short filaments Download PDF

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Publication number
FR2880362A1
FR2880362A1 FR0551281A FR0551281A FR2880362A1 FR 2880362 A1 FR2880362 A1 FR 2880362A1 FR 0551281 A FR0551281 A FR 0551281A FR 0551281 A FR0551281 A FR 0551281A FR 2880362 A1 FR2880362 A1 FR 2880362A1
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France
Prior art keywords
flocked
polyester
flocked material
mold
flock
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Granted
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FR0551281A
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French (fr)
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FR2880362B1 (en
Inventor
Barcelo Jose Talavera
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Industrias Tapla SL
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Industrias Tapla SL
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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
    • 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
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C45/14778—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles the article consisting of a material with particular properties, e.g. porous, brittle
    • B29C45/14811—Multilayered articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D1/00—Processes for applying liquids or other fluent materials
    • B05D1/16—Flocking otherwise than by spraying
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C45/14778—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles the article consisting of a material with particular properties, e.g. porous, brittle
    • B29C45/14786—Fibrous material or fibre containing material, e.g. fibre mats or fibre reinforced 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
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • 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
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
    • B32B5/245—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it being a foam layer
    • 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
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
    • B32B5/26—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
    • 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
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • 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
    • B29K2713/00—Use of textile products or fabrics for preformed parts, e.g. for inserts
    • 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
    • B29K2715/00—Condition, form or state of preformed parts, e.g. inserts
    • B29K2715/006—Glues or adhesives, e.g. hot melts or thermofusible adhesives
    • 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
    • B32B2255/00—Coating on the layer surface
    • B32B2255/02—Coating on the layer surface on fibrous or filamentary layer
    • 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
    • B32B2255/00—Coating on the layer surface
    • B32B2255/10—Coating on the layer surface on synthetic resin layer or on natural or synthetic rubber layer
    • B32B2255/102—Coating on the layer surface on synthetic resin layer or on natural or synthetic rubber layer synthetic resin or rubber layer being a foamed layer
    • 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
    • B32B2255/00—Coating on the layer surface
    • B32B2255/26—Polymeric coating
    • 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
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/02—Synthetic macromolecular fibres
    • B32B2262/0253—Polyolefin fibres
    • 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
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/02—Synthetic macromolecular fibres
    • B32B2262/0276—Polyester fibres
    • 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
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/04—Cellulosic plastic fibres, e.g. rayon
    • 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
    • B32B2266/00—Composition of foam
    • B32B2266/02—Organic
    • B32B2266/0214—Materials belonging to B32B27/00
    • B32B2266/025—Polyolefin

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Laminated Bodies (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Carpets (AREA)

Abstract

The flocked material, comprising a backing layer (1), an adhesive layer (2) on at least one side, and a layer of short filaments (3) or flock for its outer surface, has the backing layer made from fibers of polypropylene, polyester, fibranne polyester or rayon or a polyethylene foam, the material having been injection molded. An independent claim is also included for a method of producing a flocked article comprises inserting the flocked material (4), in continuous sheet form or pre-stamped, into a mold (5) with the flock side against the mold walls prior to injecting a molten substance to make a three-dimensional article (6) with a flock-covered outer surface.

Description

MATERIAU FLOQUE ET PROCEDE D'APPLICATION DE CE MATERIAU SURFLOOR MATERIAL AND METHOD FOR APPLYING SAID MATERIAL

UNE PIECEA PIECE

La présente invention concerne un matériau floqué du type de ceux qui présentent une configuration laminaire et comprennent un support comportant, sur au moins l'une de leurs faces, une couche adhésive à laquelle adhère une pluralité de filaments courts ou floc de finition de leur surface externe.  The present invention relates to a flocked material of the type of those having a laminar configuration and comprises a support comprising, on at least one of their faces, an adhesive layer to which adheres a plurality of short filaments or finishing flock of their surface external.

Actuellement, pour obtenir des pièces tridimensionnelles avec une ou avec toutes leurs surfaces floquées, la méthode à suivre consiste à obtenir la pièce brute et à appliquer, sur la surface devant présenter ladite finition, une résine qui agit comme élément de fixation du floc. Il faut ensuite laisser sécher la résine, une fois que le floc a été appliqué sur la pièce, et terminer le processus en aspirant la partie excédante de floc pour en obtenir l'élimination. Cet ensemble d'opérations est particulièrement complexe et limite fortement la capacité de production de pièces floquées.  Currently, to obtain three-dimensional parts with one or with all their flocked surfaces, the method to be followed is to obtain the blank and to apply, on the surface to be presented with said finish, a resin which acts as a fixing member of the floc. The resin should then be allowed to dry once the floc has been applied to the workpiece and terminate the process by aspirating the excess floc to achieve elimination. This set of operations is particularly complex and strongly limits the production capacity of flocked parts.

Le matériau floqué de la présente invention permet que la réalisation des pièces qui le comprennent comme finition de surface soit plus rapide et efficace, suivant le procédé d'application compris également dans cette invention.  The flocked material of the present invention allows the realization of the parts which comprise it as a surface finish to be faster and more effective, depending on the method of application also included in this invention.

Le matériau floqué comprend, par convention, une pluralité de filaments ou floc de finition adhérant à l'aide d'un adhésif ou couche adhésive sur, au moins, une face d'une planche ou plaque de support. Cependant, la caractéristique de ce matériau floqué consiste en ce que ledit support est réalisé en un matériau qui permet d'être uni par fusion à d'autres matériaux, tout en conservant ses caractéristiques physiques appropriées, ladite plaque de support étant formée par des fibres en polypropylène, polyester, polyester de type fibranne ou rayonne ou mousse de polyéthylène (par exemple Polytène ).  The flocked material comprises, by convention, a plurality of filaments or finishing flock adhered with an adhesive or adhesive layer on at least one face of a board or backing plate. However, the characteristic of this flocked material is that said support is made of a material which can be melt-bonded to other materials while retaining its appropriate physical characteristics, said support plate being formed by fibers polypropylene, polyester, polyester of the fibran or rayon type or polyethylene foam (for example Polytene).

Ces fibres en polypropylène, polyester, polyester de type fibranne ou rayonne ou mousse de polyéthylène sont avantageusement cardées, soit par la méthode du poinçonnage, soit par une autre méthode, ce qui permet de constituer une planche très souple pour le support des filaments de flocage et permettant également une union fiable avec d'autres matériaux plastiques ou analogues.  These fibers made of polypropylene, polyester, polyester of the fibran or rayon type or polyethylene foam are advantageously carded, either by the punching method or by another method, which makes it possible to form a very flexible board for supporting the flocking filaments. and also allowing a reliable union with other plastic materials or the like.

De plus, la consistance du support uni au flocage fait que le matériau, une fois ce dernier appliqué à la pièce à doubler, présente un aspect très semblable à celui de la peau.  In addition, the consistency of the support united flocking that the material, once applied to the piece to be doubled, has an appearance very similar to that of the skin.

Pour l'application du matériau floqué sur des pièces tridimensionnelles, ce matériau de flocage peut être aisément découpé ou estampé, puis couplé à la pièce, lors du processus de formation de ladite pièce, sans aucune sorte de préparation, tel que cela est habituel dans les processus conventionnels d'adhésion du flocage à la pièce terminée.  For the application of the flocked material on three-dimensional pieces, this flocking material can be easily cut or stamped, and then coupled to the workpiece, during the forming process of said workpiece, without any kind of preparation, as is customary in Conventional flocking adhesion processes to the finished part.

En effet, une fois qu'une plaque de matériau floqué a été estampée à la forme adéquate ou, selon le type d'injection utilisé, en continu aussi, on peut adapter ladite plaque en matériau floqué aux parois du moule qui donnera la forme à la pièce, en plaçant le côté portant les filaments de floc contre lesdites parois, orienté de manière opposée à l'intérieur qui recevra le matériau fondu destiné à former la pièce. Le matériau présente une souplesse suffisante pour s'adapter à la géométrie du négatif de la pièce dans le moule. Une fois que la plaque de matériau floqué est adaptée, on ferme le moule et on injecte le matériau fondu à l'intérieur, de manière à former la pièce à laquelle le matériau floqué, positionné préalablement à l'intérieur du moule, demeurera attaché. Une fois tout le matériau nécessaire introduit, on démoule la pièce avec le flocage disposé sur les surfaces souhaitées, sans avoir à réaliser des opérations ultérieures et avec une économie de temps et de ressources considérable.  Indeed, once a plate of flocked material has been stamped to the appropriate shape or, depending on the type of injection used, also continuously, one can adapt said plate of flocked material to the walls of the mold which will give shape to the workpiece, placing the side carrying the flock filaments against said walls, oppositely oriented to the inside which will receive the molten material to form the workpiece. The material has sufficient flexibility to adapt to the geometry of the negative of the piece in the mold. Once the flocked material plate is fitted, the mold is closed and the molten material is injected inside, so as to form the part to which the flocked material, previously positioned inside the mold, will remain attached. Once all the necessary material is introduced, the part is demolded with the flocking disposed on the desired surfaces, without having to carry out subsequent operations and with a considerable saving of time and resources.

À noter que le support en fibres de polypropylène, polyester, polyester de type fibranne ou rayonne ou mousse de polyéthylène du matériau floqué est suffisamment robuste pour résister au coup de pression de l'entrée du matériau fondu dans le moule, servant ainsi de tampon entre ledit matériau et le flocage. En outre, le flocage confronté aux parois du moule est suffisamment protégé du matériau fondu, ce qui évite qu'il ne soit endommagé.  It should be noted that the support of polypropylene, polyester, fiber-type polyester or rayon fibers or polyethylene foam of the flocked material is sufficiently robust to withstand the pressure stroke of the entrance of the molten material into the mold, thus serving as a buffer between said material and flocking. In addition, the flocking facing the walls of the mold is sufficiently protected from the molten material, which prevents it from being damaged.

La présente invention a donc pour objet un matériau floqué, du type de ceux qui présentent une configuration laminaire et comprenant un support qui, sur au moins l'une de ses faces, présente une couche adhésive sur laquelle adhère une pluralité de filaments courts ou floc de finition de sa surface externe, caractérisé par le fait que le support est composé de fibres de polypropylène, polyester, polyester de type fibranne ou rayonne ou mousse de polyéthylène, en fonction du matériau utilisé pour l'injection.  The present invention therefore relates to a flocked material, of the type of those which have a laminar configuration and comprising a support which, on at least one of its faces, has an adhesive layer on which adheres a plurality of short filaments or flock finishing of its outer surface, characterized in that the support is made of polypropylene fibers, polyester, polyester of fibran or rayon type or polyethylene foam, depending on the material used for the injection.

En particulier, lesdites fibres de polypropylène, polyester ou polyester fibranne du support peuvent être cardées.  In particular, said polypropylene, polyester or fibrous polyester fibers of the support can be carded.

La présente invention a également pour objet un procédé pour appliquer sur une pièce le matériau floqué tel que défini ci-dessus, caractérisé par le fait qu'il comprend l'introduction d'une planche de matériau floqué, en continu ou préalablement estampée, à l'intérieur d'un moule d'injection, de manière que la face floquée se trouve en regard desdites parois du moule et opposée au creux de réception du matériau fondu, et l'injection dudit matériau fondu constituant la pièce dans le moule fermé, ce qui permet d'obtenir, lors du démoulage de la pièce ainsi formée, au moins l'une de ses faces ou surfaces avec la finition du matériau floqué incorporé par liaison intime.  The present invention also relates to a process for applying to a part the flocked material as defined above, characterized in that it comprises the introduction of a flocked material board, continuously or previously embossed, to the inside of an injection mold, so that the flocked face is facing said walls of the mold and opposite to the receiving recess of the molten material, and the injection of said molten material constituting the part in the closed mold, which makes it possible to obtain, during demolding of the part thus formed, at least one of its faces or surfaces with the finish of the flocked material incorporated by intimate connection.

Pour compléter la description en cours et afin de  To complete the description in progress and in order to

faciliter la compréhension des caractéristiques de l'invention, le présent mémoire descriptif est accompagné d'un ensemble de dessins, à titre d'exemple non limitatif, sur lesquels: - la Figure 1 est une vue en coupe du matériau floqué ; - la Figure 2 est une vue schématisée du procédé d'application du matériau floqué sur une pièce, lors de la formation de celle-ci, qui représente les étapes de découpe ou d'estampage du matériau floqué, son adaptation à l'intérieur du moule, l'injection du matériau fondu dans le moule et le démoulage de la pièce obtenue avec le flocage adhérant à celle-ci.  To facilitate understanding of the features of the invention, the present specification is accompanied by a set of drawings, by way of non-limiting example, in which: - Figure 1 is a sectional view of the flocked material; FIG. 2 is a schematic view of the method of applying the flocked material to a workpiece, during the formation thereof, which represents the steps of cutting or stamping the flocked material, its adaptation inside the mold, injecting the molten material into the mold and demolding the part obtained with the flocking adhering thereto.

Comme on peut constater sur les figures mentionnées, le matériau floqué comprend un support 1 laminaire constitué par des fibres de polypropylène, polyester, polyester fibranne ou mousse de polyéthylène. Sur l'une des faces de ce support 1, se trouve appliquée une couche adhésive 2 sur laquelle est fixée une pluralité de filaments courts 3 ou flocage de finition.  As can be seen in the figures mentioned, the flocked material comprises a laminar support 1 consisting of polypropylene fibers, polyester, fibrous polyester or polyethylene foam. On one of the faces of this support 1 is applied an adhesive layer 2 on which is fixed a plurality of short filaments 3 or finishing flocking.

Le procédé pour ajouter ce matériau floqué sur une pièce comprend les étapes suivantes: si l'application du matériau floqué n'est pas réalisée en continu, on effectue d'abord la découpe ou estampage d'une planche de matériau floqué 4 à la forme adéquate pour qu'il prenne une forme tridimensionnelle analogue à la surface à floquer ou revêtir d'une pièce; mise en place du matériau 4 floqué à l'intérieur d'un moule 5 d'injection, en l'adaptant à la géométrie des parois de ce moule 5 et avec les filaments de floc en contact avec lesdites parois, en opposition au creux intérieur; - injection du matériau fondu destiné à former une pièce 6 à l'intérieur du moule 5, pour créer la fusion du support 1 du matériau 4 floqué avec ledit matériau fondu; - démoulage 5 de la pièce 6 terminée avec la planche de matériau 4 floqué solidaire de celle-ci.  The process for adding this flocked material to a part comprises the following steps: if the application of the flocked material is not carried out continuously, the cutting or stamping of a flocked material board 4 is first performed in the form adequate for it to take a three-dimensional shape similar to the surface to flock or to coat a part; placing the flocked material 4 inside an injection mold 5, adapting it to the geometry of the walls of this mold 5 and with the flock filaments in contact with said walls, in opposition to the inner hollow ; injecting the molten material intended to form a part 6 inside the mold 5, to create the melting of the support 1 of the material 4 flocked with said molten material; demolding 5 of the piece 6 completed with the flocked material board 4 secured to it.

Après avoir suffisamment décrit la nature de l'invention, ainsi qu'un mode de réalisation préféré, il est à noter que les matériaux, la forme, la taille et la disposition des éléments décrits pourront être modifiés pour autant que cela n'implique pas une altération des caractéristiques essentielles de l'invention revendiquées ci-après.  Having sufficiently described the nature of the invention, as well as a preferred embodiment, it should be noted that the materials, shape, size and arrangement of the elements described may be modified as far as this does not imply an alteration of the essential features of the invention claimed hereinafter.

Claims (3)

REVENDICATIONS 1 - Matériau floqué, du type de ceux qui présentent une configuration laminaire et comprenant un support (1) qui, sur au moins l'une de ses faces, présente une couche adhésive (2) sur laquelle adhère une pluralité de filaments courts (3) ou floc de finition de sa surface externe, caractérisé par le fait que le support (1) est composé de fibres de polypropylène, polyester, polyester de type fibranne ou rayonne ou mousse de polyéthylène, en fonction du matériau utilisé pour l'injection.  1 - flocked material, of the type of those having a laminar configuration and comprising a support (1) which, on at least one of its faces, has an adhesive layer (2) on which adheres a plurality of short filaments (3); ) or finishing flock of its outer surface, characterized in that the carrier (1) is made of polypropylene fibers, polyester, polyester fiber-like or rayon or polyethylene foam, depending on the material used for injection. 2 - Matériau, selon la revendication 1, caractérisé par le fait que les fibres de polypropylène, polyester ou polyester de type fibranne ou rayonne du support (1) sont cardées.  2 - Material according to claim 1, characterized in that the fibers of polypropylene, polyester or polyester fiber-type or rayon support (1) are carded. 3 - Procédé pour appliquer sur une pièce (6) le matériau floqué (4) tel que défini à l'une des revendications 1 et 2, caractérisé par le fait qu'il comprend l'introduction d'une planche de matériau floqué, en continu ou préalablement estampée, à l'intérieur d'un moule (5) d'injection, de manière que la face floquée se trouve en regard desdites parois du moule (5) et opposée au creux de réception du matériau fondu, et l'injection dudit matériau fondu constituant la pièce (6) dans le moule (5) fermé, ce qui permet d'obtenir, lors du démoulage de la pièce (6) ainsi formée, au moins l'une de ses faces ou surfaces avec la finition du matériau (4) floqué incorporé par liaison intime.  3 - Method for applying to a part (6) the flocked material (4) as defined in one of claims 1 and 2, characterized in that it comprises the introduction of a board of flocked material, in continuous or previously stamped, inside an injection mold (5), so that the flocked face is opposite said walls of the mold (5) and opposite the receiving recess of the molten material, and the injecting said molten material constituting the part (6) in the closed mold (5), which makes it possible to obtain, during demolding of the part (6) thus formed, at least one of its faces or surfaces with the finish flocked material (4) incorporated by intimate connection.
FR0551281A 2004-12-30 2005-05-17 FLOCKED MATERIAL AND METHOD FOR APPLYING SAID MATERIAL TO A WORKPIECE Expired - Fee Related FR2880362B1 (en)

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ES200403141A ES2255867B1 (en) 2004-12-30 2004-12-30 FLOCATED MATERIAL AND APPLICATION PROCEDURE.

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ITMI20101169A1 (en) * 2010-06-28 2011-12-29 Letteriis Manuel De PROCEDURE FOR IMPLEMENTING A COMPOSITE SURFACE, PARTICULARLY FOR USE IN THE MOLD LABEL SECTOR.
DE102015008914A1 (en) * 2015-07-15 2017-01-19 BROSE SCHLIEßSYSTEME GMBH & CO. KG Method for producing a window guide rail

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DE102005016875A1 (en) 2006-07-20
ES2255867A1 (en) 2006-07-01
FR2880362B1 (en) 2007-06-01

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