FR2861013A1 - Manufacturing procedure for composition component uses overmoulding of thermoformed film applied by Resin Transfer Moulding (RTM) process - Google Patents

Manufacturing procedure for composition component uses overmoulding of thermoformed film applied by Resin Transfer Moulding (RTM) process Download PDF

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Publication number
FR2861013A1
FR2861013A1 FR0312205A FR0312205A FR2861013A1 FR 2861013 A1 FR2861013 A1 FR 2861013A1 FR 0312205 A FR0312205 A FR 0312205A FR 0312205 A FR0312205 A FR 0312205A FR 2861013 A1 FR2861013 A1 FR 2861013A1
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FR
France
Prior art keywords
rtm
resin transfer
overmoulding
composition component
manufacturing procedure
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
FR0312205A
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French (fr)
Inventor
Carlo Cappello
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STRATIME CAPPELLO SYSTEMES
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STRATIME CAPPELLO SYSTEMES
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Publication date
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Priority to FR0312205A priority Critical patent/FR2861013A1/en
Publication of FR2861013A1 publication Critical patent/FR2861013A1/en
Withdrawn legal-status Critical Current

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Classifications

    • 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
    • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/28—Shaping operations therefor
    • B29C70/40—Shaping or impregnating by compression not applied
    • B29C70/42—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles
    • B29C70/46—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles using matched moulds, e.g. for deforming sheet moulding compounds [SMC] or prepregs
    • B29C70/48—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles using matched moulds, e.g. for deforming sheet moulding compounds [SMC] or prepregs and impregnating the reinforcements in the closed mould, e.g. resin transfer moulding [RTM], e.g. by vacuum
    • 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
    • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/06—Fibrous reinforcements only
    • B29C70/08—Fibrous reinforcements only comprising combinations of different forms of fibrous reinforcements incorporated in matrix material, forming one or more layers, and with or without non-reinforced layers
    • B29C70/086—Fibrous reinforcements only comprising combinations of different forms of fibrous reinforcements incorporated in matrix material, forming one or more layers, and with or without non-reinforced layers and with one or more layers of pure plastics material, e.g. foam layers

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Composite Materials (AREA)
  • Mechanical Engineering (AREA)
  • Moulding By Coating Moulds (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)

Abstract

The procedure consists of introducing a thermoformed layer of a protective film (1) in a matrix section of a mould and applying it to a composition component by RTM. After hardening, which takes 3-4 times the duration of projection, the component is sufficiently rigid for removal from the mould, with the film joined to it chemically from the start of polymerisation.

Description

1 28610131 2861013

La présente invention concerne un procédé de réalisation de pièces composites surmoulées avec un film thermoplastique de surface pour des décorations d'aspects naturel grainé, lisse, de protection antivandalisme ou anti-graffiti dans un moule Resin Transfert Moulding (RTM), (injection basse pression, RTM sous vide) utilisation de renforts en fibres de verre, résines liquides, mélangée à un catalyseur et injectée, dans un moule traditionnel composé d'une partie femelle (matrice) et d'une partie mâle (poinçon) équipé ou non d'un système de coquilles amovibles et remplaçables.  The present invention relates to a process for producing composite parts overmoulded with a thermoplastic surface film for decorations of grained, smooth natural aspects, vandalism protection or anti-graffiti in a Mold Resin Transfer Molding (RTM), (low pressure injection , RTM under vacuum) use of fiberglass reinforcements, liquid resins, mixed with a catalyst and injected, in a traditional mold composed of a female part (matrix) and a male part (punch) equipped or not with a system of removable and replaceable shells.

Les revêtements de surface pour la protection ou la décoration des pièces sont réalisés habituellement avec des films applicables, uniquement de façon manuelle sur des 10 pièces déjà moulées.  Surface coatings for the protection or decoration of parts are usually made with applicable films, only manually on already molded parts.

L'application de films de revêtement de surface ce fait uniquement pour des pièces dont les surfaces sont relativement planes. Les pièces non développables étant très difficiles à recouvrir.  The application of surface coating films is only for parts with relatively flat surfaces. The non-developable parts being very difficult to cover.

L'accrochage de ce type de film présente des zones propices à l'arrachement tel que 15 les bords des pièces. De plus l'application laisse apparaître des bulles d'air.  The attachment of this type of film has areas conducive to tearing such as the edges of the pieces. In addition the application lets appear bubbles of air.

Ce type de procédé permet de remédier à certains problèmes de revêtement de surface mais impose un changement de film sur une périodicité relativement courte. Le niveau d'investissement pour l'entretien du pelliculage reste très élevé. Le procédé selon l'invention, permet de remédier à ces inconvénients.  This type of process overcomes some surface coating problems but requires a change of film on a relatively short periodicity. The level of investment for laminating maintenance remains very high. The method according to the invention overcomes these disadvantages.

- Un accrochage entre le film et la pièce composite total et définitif Un revêtement de surface sur des pièces complexes composés à la fois de surfaces planes et non développables - Une déclinaison d'aspect ( couleur, grainée, lisse) multiple et de caractéristiques multiples tel que anti-graffiti et anti-vandalisme - Un temps d'utilisation des pièces plus élevé - Un investissement d'entretien peu élevé Les dessins annexés illustrent l'invention Le procédé selon l'invention est particulièrement destiné à la production de pièces moulées en matériaux composites par injection Resin Transfert Moulding (RTM) et permet 30 de remédier à ces inconvénients La figure 1 représente, la transformation du film thermoplastique Ceci consiste à réaliser une peau de revêtement de surface pour la protection ou la décoration des pièces en film thermoplastique 1 selon le procédé de thermoformage sur un moule positif 2 ou négatif 3.  - A collision between the film and the total and definitive composite part A surface coating on complex parts composed of both flat and non-developable surfaces - An appearance variation (color, grained, smooth) multiple and multiple characteristics such anti-graffiti and anti-vandalism - a longer use of parts - a low maintenance investment The accompanying drawings illustrate the invention The method according to the invention is particularly intended for the production of molded parts of materials This invention consists in producing a surface coating skin for the protection or decoration of the thermoplastic film parts 1 according to the following: FIG. 1 represents the transformation of the thermoplastic film. the thermoforming process on a positive mold 2 or negative 3.

2 2861013 3 5 La figure 2 représente le surmoulage du film - Elle consiste à introduire la thermoforme 1 dans le moule 2, ou avec la coquille 3 du moule de forme négative (partie servant de matrice).  FIG. 2 shows overmolding of the film. It consists in introducing the thermoform 1 into the mold 2, or with the shell 3 of the negative form mold (part serving as a matrix).

Dans le procédé Resin Transfert Moulding (RTM), une fois le moule fermé sur les renforts en fibre de verre, la résine liquide, mélangée à un catalyseur est 40 injectée.  In the Resin Transfer Molding (RTM) process, once the mold is closed on the fiberglass reinforcements, the liquid resin mixed with a catalyst is injected.

- Après un durcissement, entre 3 et 4 fois la durée d'injection, la pièce est suffisamment rigide pour être démoulé, l'accrochage du film et de la pièce se réalise chimiquement dès le début de la polymérisation et permet un démoulage de l'ensemble.  - After curing, between 3 and 4 times the injection time, the part is rigid enough to be demolded, the attachment of the film and the part is carried out chemically from the beginning of the polymerization and allows a demolding of the together.

- Selon une variante, il est possible de démouler l'ensemble 4 beaucoup plus tôt, lorsqu'elle n'est pas suffisamment rigide afin d'augmenter les cadences de production.  According to one variant, it is possible to unmold the assembly 4 much earlier, when it is not rigid enough to increase production rates.

Claims (4)

REVENDICATIONS 1) Procédé de réalisation de pièces composites surmoulées avec un revêtement de surface thermoplastique caractérisé en ce qu'un film thermoformé, inséré et surmoulé dans un moule suivant la technologie de Resin Transfert Moulding (RTM)  1) Process for producing molded composite parts with a thermoplastic surface coating characterized in that a thermoformed film, inserted and overmoulded in a mold following the technology of Resin Transfer Molding (RTM) 2) Procédé selon la revendication 1 caractérisé en ce que l'accrochage du film soit total et définitif avec la pièce composite2) Method according to claim 1 characterized in that the attachment of the film is total and definitive with the composite part 3) Procédé selon l'une quelconque des revendications précédentes caractérisé en ce que l'application soit à la fois sur des surfaces planes et non développables3) Method according to any one of the preceding claims characterized in that the application is both on flat surfaces and non-developable 4) Procédé selon l'une quelconque des revendications précédentes caractérisées en ce que les déclinaisons d'aspect de décoration et les caractéristiques de protections contre le vandalisme et anti-graffiti soient multiples4) Method according to any one of the preceding claims characterized in that the declinations of decorative appearance and the characteristics of protection against vandalism and anti-graffiti are multiple
FR0312205A 2003-10-17 2003-10-17 Manufacturing procedure for composition component uses overmoulding of thermoformed film applied by Resin Transfer Moulding (RTM) process Withdrawn FR2861013A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR0312205A FR2861013A1 (en) 2003-10-17 2003-10-17 Manufacturing procedure for composition component uses overmoulding of thermoformed film applied by Resin Transfer Moulding (RTM) process

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0312205A FR2861013A1 (en) 2003-10-17 2003-10-17 Manufacturing procedure for composition component uses overmoulding of thermoformed film applied by Resin Transfer Moulding (RTM) process

Publications (1)

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FR2861013A1 true FR2861013A1 (en) 2005-04-22

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FR0312205A Withdrawn FR2861013A1 (en) 2003-10-17 2003-10-17 Manufacturing procedure for composition component uses overmoulding of thermoformed film applied by Resin Transfer Moulding (RTM) process

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2913748A1 (en) * 2007-03-14 2008-09-19 Peugeot Citroen Automobiles Sa Light curtain manufacturing method for motor vehicle, involves overmolding printed film to form screen on base of film having optical coupling patterns, with help of material adhering to printed film
EP2111969A3 (en) * 2008-04-21 2017-07-26 Rolls-Royce plc A resin transfer moulding process for an article containing a protective member

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5430264A (en) * 1977-08-11 1979-03-06 Asahi Fibreglass Co Manufacture of fiber reinforced resin article
JPS55117631A (en) * 1979-03-02 1980-09-10 Asahi Fiber Glass Co Ltd Manufacturing method of resin formed product
GB2082961A (en) * 1980-07-16 1982-03-17 Comind Spa Self-supporting element useful in the construction of motor vehicle body interiors, particularly in the form of an instrument panel, and a method of manufacturing it
US20030160365A1 (en) * 2002-02-28 2003-08-28 Brown Bari W. Method of manufacturing a composite panel

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5430264A (en) * 1977-08-11 1979-03-06 Asahi Fibreglass Co Manufacture of fiber reinforced resin article
JPS55117631A (en) * 1979-03-02 1980-09-10 Asahi Fiber Glass Co Ltd Manufacturing method of resin formed product
GB2082961A (en) * 1980-07-16 1982-03-17 Comind Spa Self-supporting element useful in the construction of motor vehicle body interiors, particularly in the form of an instrument panel, and a method of manufacturing it
US20030160365A1 (en) * 2002-02-28 2003-08-28 Brown Bari W. Method of manufacturing a composite panel

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
DATABASE WPI Week 7915, Derwent World Patents Index; AN 1979-28906B, XP002282915, "Production of fibre reinforced resin structures by covering male or female mould surface with resin, overlaying with reinforcing fibre, closing mould, injecting resin and curing" *
PATENT ABSTRACTS OF JAPAN vol. 004, no. 167 (M - 042) 19 November 1980 (1980-11-19) *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2913748A1 (en) * 2007-03-14 2008-09-19 Peugeot Citroen Automobiles Sa Light curtain manufacturing method for motor vehicle, involves overmolding printed film to form screen on base of film having optical coupling patterns, with help of material adhering to printed film
EP2111969A3 (en) * 2008-04-21 2017-07-26 Rolls-Royce plc A resin transfer moulding process for an article containing a protective member

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