FR2576248A1 - EXPANDED BOX BELTS AND THEIR MANUFACTURING METHOD - Google Patents

EXPANDED BOX BELTS AND THEIR MANUFACTURING METHOD Download PDF

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Publication number
FR2576248A1
FR2576248A1 FR8501020A FR8501020A FR2576248A1 FR 2576248 A1 FR2576248 A1 FR 2576248A1 FR 8501020 A FR8501020 A FR 8501020A FR 8501020 A FR8501020 A FR 8501020A FR 2576248 A1 FR2576248 A1 FR 2576248A1
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FR
France
Prior art keywords
mold
high frequency
finished product
pvc
foaming agent
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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
Application number
FR8501020A
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French (fr)
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FR2576248B1 (en
Inventor
Guy Berrin
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Silvatrim SAM
Original Assignee
Silvatrim SAM
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Silvatrim SAM filed Critical Silvatrim SAM
Priority to FR8501020A priority Critical patent/FR2576248B1/en
Priority to PCT/FR1986/000019 priority patent/WO1986004296A1/en
Priority to EP86901082A priority patent/EP0210245A1/en
Priority to ES551649A priority patent/ES8701593A1/en
Publication of FR2576248A1 publication Critical patent/FR2576248A1/en
Priority to IT8667724A priority patent/IT1215191B/en
Application granted granted Critical
Publication of FR2576248B1 publication Critical patent/FR2576248B1/en
Priority to FR878712857A priority patent/FR2620376B2/en
Expired 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
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
    • B29C44/12—Incorporating or moulding on preformed parts, e.g. inserts or reinforcements
    • 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
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/36—Feeding the material to be shaped
    • B29C44/38—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length
    • B29C44/44—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length in solid form
    • B29C44/445—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length in solid form in the form of expandable granules, particles or beads
    • 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
    • B29K2027/00—Use of polyvinylhalogenides or derivatives thereof as moulding material
    • B29K2027/06—PVC, i.e. polyvinylchloride
    • 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
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/06—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or 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
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/25—Solid
    • B29K2105/251—Particles, powder or granules

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  • Laminated Bodies (AREA)
  • Television Systems (AREA)
  • Printers Characterized By Their Purpose (AREA)

Abstract

Method for obtaining body belts made of reinforced alveolar plastic material in the car industry, of the type using a heating by means of a high frequency electric field, characterized in that there is introduced directly into a mold fitted with high frequency electrodes and having the dimensions corresponding to the finished product required a sufficient quantity of pulverulent or granular mixture of PVC and a foaming agent in order to obtain said finished product; thereafter, the reinforcing element is introduced on or in the pulverulent or granular mass, the mold is closed and subjected to a high frequency field during the time required for melting the PVC and for the gas evolution resulting from the decomposition of the foaming agent; the resultant finished product is removed from the mold.

Description

La présente invention concerne un procédé nouveau et avantageux pour la production des accessoires connus sous la désignation de "ceintures de caisse" pour automobiles. The present invention relates to a new and advantageous process for the production of accessories known under the designation of "body belts" for automobiles.

On sait que ces ceintures sont des pièces plates allongées collées sur une grande partie de la portion inférieure de la carrosserie d'une automobile, et ayant a la fois pour but de protéger celle-ci contre les éraflures et de rehausser son aspect esthétique par une bande de couleur différente, portant éventuellement le nom du constructeur ou la désignation du modèle. We know that these belts are elongated flat parts glued to a large part of the lower portion of the body of an automobile, and having both the aim of protecting the latter against scratches and of enhancing its aesthetic appearance by strip of different color, possibly bearing the name of the manufacturer or the designation of the model.

Ces ceintures sont généralement en matière plastique (PVC), souvent renforcée par une feuille ou un profilé métallique. En raison de leur longueur, importante par rapport à leur -largeur et de leur rôle esthétique, leur obtention donne lieu à des difficultés supplémentaires, ou plus marquées que pour des produits usuels. These belts are generally made of plastic (PVC), often reinforced with a sheet or a metal profile. Because of their length, which is large in relation to their width and their aesthetic role, obtaining them gives rise to additional difficulties, or more marked than for usual products.

Ainsi, sur le plan esthétique, il est important d'obtenir pour ces pièces unaspect de surface aussi parfait que possible, sur toute leur longueur. De même leurs extrémités doivent présenter une finition également parfaite. Thus, from an aesthetic point of view, it is important to obtain as perfect a surface appearance as possible for these parts, over their entire length. Likewise, their ends must have an equally perfect finish.

Par ailleurs elles doivent présenter une rigidité et une dureté satisfaisantes, alors que la tendance actuelle est aus plastiques plus souples. Furthermore, they must have satisfactory rigidity and hardness, while the current trend is for softer plastics.

De plus elles doivent posséder une stabilité dimensionnelle satisfaisante, malgré la tendance au retrait plus importante des pièces de grande longueur. In addition, they must have satisfactory dimensional stability, despite the tendency for larger parts to shrink more.

Enfin elles doivent posséder une bonne adhérence sur leur support, c'est-à-dire que le renfort métallique, quand il est superficiel, doit jouer le rôle d'interface entre les adhésifs de fixation sur le support et les plastifiants du plastique. Finally, they must have good adhesion to their support, that is to say that the metal reinforcement, when it is superficial, must act as an interface between the adhesives for fixing to the support and the plasticizers of the plastic.

Toutes ces difficultés se trouvent accrues par le fait que ces pièces sont au surplus le plus souvent réalisées en matière alvéolaire, résultant d'un dégagement gazeux dans ladite matière à un moment ou à un autre de la fabrication de la pièce, è partir d'un agent dit d'expansion introduit dans la matière. All these difficulties are increased by the fact that these parts are moreover most often made of cellular material, resulting from a gaseous release in said material at one time or another of the manufacture of the part, from a so-called expansion agent introduced into the material.

De nombreuses solutions ont été proposées pour faire face à ce problème. Ainsi, on lit dans le Brevet France NO 2 520 290 : "Habituellement, on applique et on colle ou fixe des bandes allongées de moulages plastiques décoratifs sur les panneaux latéraux et/ou les panneaux de porte des automobiles, pour éviter que la surface des panneaux soit dét-ériorée quand le véhicule entre en collision avec une autre automobile ou analogue, et aussi pour décorer les surfaces latérales de la carrosserie. On réalise habituellement ce type de moulage plastique en un matériau plein extrudé ayant une section transversale uniforme.On a aussi proposé de remplacer par un moulage en mousse plastique le moulage plastique plein obtenu au moyen d'un procédé d'extrusion de matière plastique, de façon è diminuer le poids du moulage,et en particulier celui des moulages larges et de grandes dimensions, tout en augmentant leur aptitude è absorber les chocs, de façon è absorber les chocs en cas de collision. En outre, on connaît aussi un moulage plastique extrêmement décoratif, présentant des sections transversales de formes différentes, ainsi qu'un bel aspect, en particulier en ses extrémités. Le fait que la section transversale présente des formes différentes contribue aussi à renforcer l'aptitude du moulage à absorber les chocs (son élasticité).Il est très difficile d'obtenir, par un procédé classique d'extrusion des matières plastiques, un moulage plastique présentant une déformabilité et un caractère décoratif aussi affirmés. Many solutions have been proposed to deal with this problem. Thus, in Patent France NO 2,520,290, it reads: "Usually, elongated strips of decorative plastic moldings are applied and glued or fixed on the side panels and / or door panels of automobiles, to prevent the surface of the panels are pre-damaged when the vehicle collides with another automobile or the like, and also to decorate the side surfaces of the bodywork. This type of plastic molding is usually carried out in a solid extruded material having a uniform cross section. also proposed to replace with a plastic foam molding the full plastic molding obtained by means of a plastic extrusion process, so as to reduce the weight of the molding, and in particular that of large and large moldings, while by increasing their ability to absorb shocks, so as to absorb shocks in the event of a collision. In addition, an extremely decorative plastic molding is also known. nt cross sections of different shapes, as well as a beautiful appearance, especially at its ends. The fact that the cross section has different shapes also contributes to strengthening the ability of the molding to absorb shock (its elasticity). It is very difficult to obtain, by a conventional process of plastic extrusion, a plastic molding presenting a deformability and a decorative character also asserted.

On connaît différents types de procédés pour fabriquer des produits en mousse plastique, et en particulier des produits en mousse de chlorure de polyvinyle (PVC). Cependant, ces procédés connus présentent des inconvénients, qui résident en ce que les matériaux utilisables se limitent aux plastisols, aux organosols ou analogues, qu'il faut réaliser un moussage provisoire en plus du formage final ; et qutil faut procéder à des opérations complexes de moussage au cours du chauffage, ce qui augmente le nombre des étapes de fabrication et le coût de cette fabrication'.'
La solution la plus récente, et qui se trouve décrite dans ce brevet français consiste dans la combinaison d'une succession d'étapes, que l'on peut résumer ainsi : " on introduit un agent moussant dans la matière résineuse et on le malaxe avec cette dernière ; on extrude è l'aide d'une extrudeuse le mélange malaxé ainsi obtenu, ou on le calandre è l'aide de cylindres de calandre pour former des pièces brutes en forme de barres ou de feuilles, on découpe ensuite les pièces brutes pour réaliser des ébauches ou pièces ayant une forme déterminée ; puis on chauffe les ébauches dans un moule comportant des élec trodes à haute fréquence de façon que les agents moussants contenus dans les ébauches ou pièces se décomposent pour former des produits expansés présentant une forme prédéterminée".Different types of processes are known for manufacturing plastic foam products, and in particular polyvinyl chloride (PVC) foam products. However, these known methods have drawbacks, which reside in that the materials that can be used are limited to plastisols, organosols or the like, that temporary foaming must be carried out in addition to the final forming; and that complex foaming operations have to be carried out during heating, which increases the number of manufacturing steps and the cost of this manufacturing. '
The most recent solution, which is described in this French patent, consists of the combination of a succession of steps, which can be summarized as follows: "a foaming agent is introduced into the resinous material and it is kneaded with the latter; the kneaded mixture thus obtained is extruded using an extruder, or it is calendered with calender rolls to form blanks in the form of bars or sheets, then the blanks are cut out to make blanks or parts having a specific shape, then heat the blanks in a mold comprising high-frequency electrodes so that the foaming agents contained in the blanks or parts decompose to form expanded products having a predetermined shape " .

Il est manifeste qu'une telle succession d'étapes ne représente pas une solution simple, et qu'une telle multiplicité d'opérations, même si elle conduit en théorie à un résultat satisfaisant, comporte un risque élevé d'erreurs et de défauts. It is obvious that such a succession of steps does not represent a simple solution, and that such a multiplicity of operations, even if it leads in theory to a satisfactory result, involves a high risk of errors and defects.

La présente invention permet d'atteindre un résultat aussi satisfaisant par un processus beaucoup plus simple et par suite éliminant ce risque. The present invention achieves such a satisfactory result by a much simpler process and therefore eliminating this risk.

Elle consiste essentiellement è introduire dans un moule ayant les dimensions correspondant a un exemplaire du produit fini la quantité du mélange en poudre ou en granules de PVC et d'agent moussant nécessaire et suffisante pour ltobtention de cet exemplaire, à déposer è la surface ou a l'intérieur de cette masse de poudre ou de granulés l'élément de renfort, è fermer le moule et à le soumettre à l'action d'un champ électrique à haute fréquence pendant le temps nécessaire à provoquer la fusion du PVC, et la décomposition de l'agent moussant, et à extraire du moule le produit fini résultant. It essentially consists in introducing into a mold having the dimensions corresponding to a copy of the finished product, the quantity of the mixture of powder or granules of PVC and of foaming agent necessary and sufficient for obtaining this copy, to be deposited on the surface or at inside this mass of powder or granules the reinforcing element, close the mold and subject it to the action of a high frequency electric field for the time necessary to cause the PVC to melt, and decomposing the foaming agent, and extracting the resulting finished product from the mold.

La nature du PVC et de l'agent moussant sont des facteurs connus dans la technique considérée et qu'il n'est donc pas besoin de discuter ici de manière détaillée.Il en est de même pour la mise en oeuvre des moules è chauffage par haute fréquence. The nature of PVC and of the foaming agent are factors known in the art and which therefore need not be discussed in detail here. The same applies to the use of molds heated by high frequency.

Par contre la mise en oeuvre de l'élément de renfort ou "semelle" appelle les commentaires suivan#ts
Cette semelle peut être constituée par un feuillard métallique (acier ou aluminium) d'épaisseur variable de 0,05 à 1 mm, ou par un profilé plastique rigide, ou encore par un ruban de tissu pouvant inclure des fibres de verre.On the other hand, the implementation of the reinforcement element or "sole" calls for the following comments # ts
This sole may be formed by a metal strip (steel or aluminum) of variable thickness from 0.05 to 1 mm, or by a rigid plastic profile, or by a fabric ribbon which may include glass fibers.

Son but est triple
A) améliorer la rigidité et la rectitude des pièces (si on utilise des plastiques ayant une dureté shore plus faible que celle actuelle caractérisant le produit japonais précité, la tendance étant d'aller vers des plastiques plus souples)
B) diminuer les taux de retrait des pièces
C) servir d'interfaceentre les rubans adhésifs de fixation sur la carrosserie et les plastifiants de la matiere plastique dans le cas d'une semelle en surface. Its purpose is threefold
A) improve the rigidity and straightness of the parts (if plastics with a lower shore hardness than that which characterizes the aforementioned Japanese product are used, the tendency being to go towards more flexible plastics)
B) decrease parts removal rates
C) serve as an interface between the adhesive tapes for fixing to the body and the plasticizers of the plastic material in the case of a sole on the surface.

On peut caractériser le nouveau procédé selon l'invention par le fait remarquable qu'au lieu de comporter toute une série d'opérations préliminaires (extrusion d'un profilé ininterrompu, découpe d'ébauches) avant la moulage définitif, on opère en une seule opération, en partant d'une matière plastique sous forme de granulés ou de poudre contenant un agent moussant, ces granulés ou cette poudre étant placés dans un moule comportant des électrodes à haute fréquence de façon que les agents moussants, contenus dans ces granulés ou cette poudre, se décomposent pour former des produits expansés présentant une forme pré-déterminée, et la semelle étant déposée simultanément à la surface ou l'intérieur de ces granulés ou de cette poudre. We can characterize the new process according to the invention by the remarkable fact that instead of comprising a whole series of preliminary operations (extrusion of an uninterrupted profile, cutting of blanks) before the final molding, we operate in a single operation, starting from a plastic material in the form of granules or powder containing a foaming agent, these granules or this powder being placed in a mold comprising high-frequency electrodes so that the foaming agents, contained in these granules or this powder, decompose to form expanded products having a predetermined shape, and the sole being deposited simultaneously on the surface or inside of these granules or of this powder.

Après fermeture du moule, on applique une tension haute fréquence pour chauffer la matière de sorte que l'agent moussant contenu dans cette matière se décompose et provoque une expansion de cette dernière jusqu'# une forme pré-déterminée par le moule, assurant du même coup, une bonne liaison avec la semelle qui aura été préalablement traitée (laque, vernis ou colle) afin d'adhérer fortement è la matière plastique. After closing the mold, a high frequency voltage is applied to heat the material so that the foaming agent contained in this material decomposes and causes its expansion to # a shape pre-determined by the mold, ensuring the same suddenly, a good bond with the sole which will have been previously treated (lacquer, varnish or glue) in order to adhere strongly to the plastic material.

L'invention vise donc en premier lieu ce procédé en une unique opération. The invention therefore relates primarily to this process in a single operation.

Elle vise également le produit industriel nouveau constitué par la ceinture de caisse pour automobiles résultant de la mise en oeuvre de ce procédé et possédant les qualités recherchées, è savoir
- sur le plan mécanique, d'excellentes propriétés de stabilité et de rigidité
- sur le plan esthétique, un excellent aspect de surface et de finition des extrémités. It also relates to the new industrial product constituted by the body belt for automobiles resulting from the implementation of this process and having the desired qualities, namely
- mechanically, excellent properties of stability and rigidity
- aesthetically, an excellent surface appearance and finish of the ends.

Claims (3)

REVENDICATIONS 1. Procédé pour l'obtention de ceintures de caisses en matière plastique alvéolaire renforcée dans l'industrie automobile, du type faisant intervenir un chauffage par un champ électrique a haute fréquence, caractérisé en ce que l'on introduit directement dans un moule équipé d'électrodes è haute fréquence et ayant les dimensions correspondant au produit fini la quantité nécessaire et suffisante du mélange en poudre ou en granulés de PVC et d'agent moussant pour l'obtention de ce produit fini, on introduit sur ou dans la masse de poudre ou de granulé l'élé- ment de renfort, on ferme le moule, on le soumet au champ è haute fréquence pendant le temps nécessaire è la fusion du PVC et au dégagement gazeux provenant de la décomposition de l'agent moussant, et on extrait du moule le produit fini résultant.1. Method for obtaining belts of crates made of reinforced cellular plastic material in the automotive industry, of the type involving heating by a high frequency electric field, characterized in that it is introduced directly into a mold equipped with electrodes at high frequency and having the dimensions corresponding to the finished product, the necessary and sufficient quantity of the powder mixture or granules of PVC and of foaming agent for obtaining this finished product, are introduced onto or into the powder mass or granule the reinforcing element, the mold is closed, it is subjected to the field at high frequency for the time necessary for the melting of the PVC and to the gaseous evolution coming from the decomposition of the foaming agent, and it is extracted from the mold the resulting finished product. 2. Procédé selon la revendication 1, caractérisé en ce que l'élément de renfort, ou "semelle" est constitué par un feuillard métallique, un profilé plastique rigide ou un ruban de tissu pouvant inclure des fibres de verre.2. Method according to claim 1, characterized in that the reinforcing element, or "sole" is constituted by a metal strip, a rigid plastic profile or a fabric ribbon which may include glass fibers. 3. Ceintures de caisses pour automobiles, caractérisées en ce qu'elles sont obtenues par le procédé selon les revendications 1 et 2. 3. Car body belts, characterized in that they are obtained by the process according to claims 1 and 2.
FR8501020A 1985-01-23 1985-01-23 EXPANDED BOX BELTS AND THEIR MANUFACTURING METHOD Expired FR2576248B1 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
FR8501020A FR2576248B1 (en) 1985-01-23 1985-01-23 EXPANDED BOX BELTS AND THEIR MANUFACTURING METHOD
PCT/FR1986/000019 WO1986004296A1 (en) 1985-01-23 1986-01-22 Expanded body belts for motor vehicles
EP86901082A EP0210245A1 (en) 1985-01-23 1986-01-22 Expanded body belts for motor vehicles
ES551649A ES8701593A1 (en) 1985-01-23 1986-01-23 Expanded body belts for motor vehicles.
IT8667724A IT1215191B (en) 1985-01-23 1986-09-22 Car seat belt prodn.
FR878712857A FR2620376B2 (en) 1985-01-23 1987-09-15 PROCESS FOR OBTAINING BOX BELTS IN REINFORCED ALVEOLAR PLASTIC MATERIAL

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8501020A FR2576248B1 (en) 1985-01-23 1985-01-23 EXPANDED BOX BELTS AND THEIR MANUFACTURING METHOD

Publications (2)

Publication Number Publication Date
FR2576248A1 true FR2576248A1 (en) 1986-07-25
FR2576248B1 FR2576248B1 (en) 1987-08-07

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FR8501020A Expired FR2576248B1 (en) 1985-01-23 1985-01-23 EXPANDED BOX BELTS AND THEIR MANUFACTURING METHOD

Country Status (5)

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EP (1) EP0210245A1 (en)
ES (1) ES8701593A1 (en)
FR (1) FR2576248B1 (en)
IT (1) IT1215191B (en)
WO (1) WO1986004296A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2620376B2 (en) * 1985-01-23 1990-02-09 Silvatrim Sa PROCESS FOR OBTAINING BOX BELTS IN REINFORCED ALVEOLAR PLASTIC MATERIAL
MC1896A1 (en) * 1987-09-15 1989-02-03 Silvatrim Sa PROCESS FOR OBTAINING BOX BELTS IN REINFORCED ALVEOLAR PLASTIC MATERIAL

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1353225A (en) * 1962-03-15 1964-02-21 Basf Ag Process for manufacturing molded bodies made from porous thermoplastic materials
FR2520290A1 (en) * 1982-01-22 1983-07-29 Inoue Mtp Kk METHOD FOR MANUFACTURING A PROTECTIVE AND DECORATIVE MOLDING FOR A MOTOR VEHICLE
US4455340A (en) * 1981-07-31 1984-06-19 Inoue Mtp Kabushiki Kaisha Flexible molded foam and process for preparation thereof

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1353225A (en) * 1962-03-15 1964-02-21 Basf Ag Process for manufacturing molded bodies made from porous thermoplastic materials
US4455340A (en) * 1981-07-31 1984-06-19 Inoue Mtp Kabushiki Kaisha Flexible molded foam and process for preparation thereof
FR2520290A1 (en) * 1982-01-22 1983-07-29 Inoue Mtp Kk METHOD FOR MANUFACTURING A PROTECTIVE AND DECORATIVE MOLDING FOR A MOTOR VEHICLE

Also Published As

Publication number Publication date
WO1986004296A1 (en) 1986-07-31
EP0210245A1 (en) 1987-02-04
IT1215191B (en) 1990-01-31
IT8667724A0 (en) 1986-09-22
FR2576248B1 (en) 1987-08-07
ES551649A0 (en) 1986-12-16
ES8701593A1 (en) 1986-12-16

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