EP1076740B1 - Method for incorporating a basin in a receiving plane, resulting monobloc assembly for furniture in particular bathroom or kitchen furniture - Google Patents

Method for incorporating a basin in a receiving plane, resulting monobloc assembly for furniture in particular bathroom or kitchen furniture Download PDF

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Publication number
EP1076740B1
EP1076740B1 EP99915817A EP99915817A EP1076740B1 EP 1076740 B1 EP1076740 B1 EP 1076740B1 EP 99915817 A EP99915817 A EP 99915817A EP 99915817 A EP99915817 A EP 99915817A EP 1076740 B1 EP1076740 B1 EP 1076740B1
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EP
European Patent Office
Prior art keywords
basin
receiving plane
opening
plane
rounded
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EP99915817A
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German (de)
French (fr)
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EP1076740A1 (en
Inventor
Christian Limbach
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Individual
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Individual
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Priority to SI9930597T priority Critical patent/SI1076740T1/en
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Classifications

    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47BTABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B77/00Kitchen cabinets
    • A47B77/04Provision for particular uses of compartments or other parts ; Compartments moving up and down, revolving parts
    • A47B77/06Provision for particular uses of compartments or other parts ; Compartments moving up and down, revolving parts for incorporating sinks, with or without draining boards, splash-backs, or the like
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03CDOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
    • E03C1/00Domestic plumbing installations for fresh water or waste water; Sinks
    • E03C1/12Plumbing installations for waste water; Basins or fountains connected thereto; Sinks
    • E03C1/32Holders or supports for basins
    • E03C1/33Fastening sinks or basins in an apertured support

Definitions

  • the method of the invention is of the second type in which the basin is placed in the opening of the receiving plane over it.
  • the basin With an overlying peripheral edge, the basin can be placed above the upper surface of the receiving plane so as to project relative to this surface (EP-0471964; FR-2729169 FIG. 5); it can also be placed in a molding formed in the receiving plane around the opening so as to ensure a flush of the basin at the upper surface of the receiving plane (EP-0307825; FR-2729169 Figure 6).
  • This installation with flush of the basin has the advantage of ensuring a continuity of surface between sink and receiving plane, avoiding the accumulation of dirt and facilitating cleaning.
  • the basin thus inserted into the aperture of the receiving plane is stabilized by means of several mechanical type fixing (clamping or clamping members) which are arranged on the periphery of the receiving plane in the lower part thereof.
  • the shaping jig can be fixed on the basin by any means or simply applied to it. At the end of driving, it is held in place on the receiving plane until hardening of the glue, by any means (press, clamping devices, cylinders, application of a pneumatic pressure ).
  • the vessel 3 comprises a bottom 5 of conventional type (generally pierced with a drainage hole) and a peripheral flank which has a composite mouth, as illustrated in FIG. 2, with an upwardly flared portion 6, the example of substantially frustoconical shape, a rounded portion 7 oriented outwardly and ending with an upper edge 8 of centrifugal direction. This edge is extended by the plane extension 4 which extends in a horizontal direction (that is to say orthogonal to the axis of the basin).
  • the vessel 3 is presented by means of a shaping jig 16 at the opening 10 of the receiving plane.
  • the shaping jig is intended to allow a very precise installation of the basin in the opening.
  • This shaping jig comprises an area 16a which hugs, recessed, the upper surface of the mouth of the basin and a flat peripheral zone 16b, intended to rest on the upper surface 9a of the receiving plane at the end of depression.
  • a finishing operation is then performed to level the joint between the mouth of the basin and the upper surface of the receiving plane.
  • This operation can be performed by a sharpening knife, manually or possibly on a digital machine.

Abstract

A method of integrating a basin into a receiving plane, in particular a plane for sanitary fittings or a worktop in a piece of bathroom or kitchen furniture. The method consists in disposing and fixing the basin (3) in an opening in the receiving plane (9) in such a way that the edge of the opening (11-14) is held in a rabbet between the peripheral mouth of the basin (6-8) and a lower shoulder of polymerized resin (19) connecting and caulking the basin and the receiving plane over the entire circumference at the bottom part.

Description

L'invention concerne un procédé pour l'intégration d'une vasque à un plan récepteur, en particulier plan sanitaire ou plan de travail de meuble de salle de bains ou de cuisine. Elle s'étend à l'ensemble monobloc plan récepteur-vasque obtenu.The invention relates to a method for integrating a basin to a receiving plane, in particular sanitary plan or worktop of bathroom or kitchen furniture. It extends to the monobloc plan receiver-basin obtained.

Les meubles de salle de bains ou de cuisine possèdent un panneau supérieur formant un plan sanitaire ou de travail, dans lequel est encastrée une vasque, généralement vasque d'évier ou de lavabo ; ce panneau supérieur peut être habillé d'un revêtement (en particulier en stratifié) et est souvent désigné par "plan récepteur". Deux types de techniques permettent d'intégrer la vasque dans le plan récepteur. Après perçage d'une ouverture dans ce dernier, la vasque peut être mise en place dans ladite ouverture soit par le dessous du plan récepteur, soit par-dessus celui-ci. Dans le premier cas, les opérations de fixation de la vasque sont plus complexes, et une mise en oeuvre imparfaite peut conduire, lorsque la vasque est en service, à un déplacement de celle-ci par rapport au plan récepteur, notamment à un écartement sous le poids de la charge ou même à une désolidarisation.The bathroom or kitchen furniture has an upper panel forming a sanitary or work plan, in which is embedded a basin, usually basin sink or sink; this top panel can be covered with a coating (particularly laminate) and is often referred to as a "receiving plane". Two types of techniques make it possible to integrate the basin into the receiving plane. After drilling an opening in the latter, the basin can be placed in said opening either from below the receiving plane, or over it. In the first case, the fixing operations of the basin are more complex, and an imperfect implementation can lead, when the basin is in operation, to a displacement thereof relative to the receiving plane, in particular to a spacing under the weight of the load or even to a separation.

Le procédé visé par l'invention est du second type dans lequel la vasque est mise en place dans l'ouverture du plan récepteur par-dessus celui-ci. Grâce à une bordure périphérique débordante, la vasque peut être posée au-dessus de la surface supérieure du plan récepteur de façon à faire saillie par rapport à cette surface (EP-0471964 ; FR-2729169 figure 5) ; elle peut également être posée dans une moulure ménagée dans le plan récepteur autour de l'ouverture de façon à assurer un affleurement de la vasque au niveau de la surface supérieure du plan récepteur (EP-0307825 ; FR-2729169 figure 6). Cette pose avec affleurement de la vasque présente l'avantage d'assurer une continuité de surface entre vasque et plan récepteur, évitant les accumulations de souillures et facilitant le nettoyage. Dans les deux cas, la vasque ainsi insérée dans l'ouverture du plan récepteur est stabilisée au moyen de plusieurs organes de fixation de type mécanique (organes de pincement ou de serrage) qui sont disposés sur la périphérie du plan récepteur en partie basse de celui-ci.The method of the invention is of the second type in which the basin is placed in the opening of the receiving plane over it. With an overlying peripheral edge, the basin can be placed above the upper surface of the receiving plane so as to project relative to this surface (EP-0471964; FR-2729169 FIG. 5); it can also be placed in a molding formed in the receiving plane around the opening so as to ensure a flush of the basin at the upper surface of the receiving plane (EP-0307825; FR-2729169 Figure 6). This installation with flush of the basin has the advantage of ensuring a continuity of surface between sink and receiving plane, avoiding the accumulation of dirt and facilitating cleaning. In both cases, the basin thus inserted into the aperture of the receiving plane is stabilized by means of several mechanical type fixing (clamping or clamping members) which are arranged on the periphery of the receiving plane in the lower part thereof.

Un tel procédé d'intégration présente plusieurs défauts. En premier lieu, la nécessité de mettre en place plusieurs organes de fixation autour de la vasque accroît notablement les coûts de mise en oeuvre en raison du coût propre de ces accessoires et du coût de leur pose. En outre, la liaison entre vasque et plan récepteur demeure imparfaite dans ce type de fixation : la vasque, maintenue à sa partie basse à distance du plan récepteur en plusieurs points, peut subir de petits déplacements par rapport au plan récepteur, notamment en cas de chocs. Lorsqu'un affleurement est recherché entre la surface supérieure du plan récepteur et la vasque, un tel mode d'intégration et de fixation ne permet pas d'obtenir une continuité parfaite des surfaces, et l'esthétique de l'ensemble demeure imparfaite ; en particulier de petits déplacements de la vasque affectent considérablement la qualité d'aspect de l'ensemble.Such an integration method has several defects. Firstly, the need to set up several fasteners around the basin significantly increases the implementation costs because of the own cost of these accessories and the cost of their installation. In addition, the connection between the basin and the receiving plane remains imperfect in this type of fixation: the basin, kept at its lower part at a distance from the receiving plane at several points, can undergo small displacements with respect to the receiving plane, in particular in the case of shocks. When an outcropping is sought between the upper surface of the receiving plane and the basin, such a method of integration and fixation does not allow to obtain a perfect continuity of the surfaces, and the aesthetics of the whole remains imperfect; in particular small movements of the basin greatly affect the appearance quality of the whole.

Une variante pour intégrer un évier dans un support est décrite dans le brevet NL 8.201.555. L'évier est placé dans le plan récepteur à une certaine distance de celui-ci de façon à former un espace libre périphérique destiné à constituer un volume de moulage d'un élastomère (notamment polyuréthane) ; l'ensemble, en position retournée, est disposé sur un boudin d'air qui ferme le volume de moulage au niveau de la face de travail du plan récepteur, et l'élastomère est coulé dans ce volume pour servir de tampon de liaison et d'amortissement. Toutefois une telle réalisation présente les mêmes défauts que précédemment en ce qui concerne la qualité de fixation de l'évier et la qualité d'aspect du produit fini. La coulée d'élastomère dans le volume de moulage contient généralement des bulles (provenant de l'emprisonnement d'air lors de la coulée) qui affectent la qualité de la fixation. En outre, un joint périphérique important reste apparent sur la face d'utilisation du produit fini, rompant la continuité entre vasque et plan récepteur ; ce joint vieillit dans le temps avec des risques de variation de coloration et d'accumulation de salissures. En outre, lors de la fabrication, (avant la coulée de l'élastomère) la vasque est difficile à positionner de façon parfaite par rapport au plan récepteur et un défaut de positionnement conduit à une esthétique très défectueuse du produit fini (vasque excentrée, entourée d'un joint d'épaisseur variable).A variant for integrating a sink into a support is described in patent NL 8201555. The sink is placed in the receiver plane at a distance from it so as to form a peripheral free space intended to constitute a molding volume of an elastomer (especially polyurethane); the assembly, in the inverted position, is disposed on an air bead which closes the molding volume at the working face of the receiving plane, and the elastomer is poured into this volume to serve as a bonding buffer and 'amortization. However, such an embodiment has the same defects as before with respect to the quality of attachment of the sink and the appearance quality of the finished product. The casting of elastomer in the molding volume generally contains bubbles (from entrapping air during casting) which affect the quality of the fastener. In addition, a large peripheral seal remains apparent on the use face of the finished product, breaking the continuity between basin and receiving plane; this seal ages over time with the risk of color variation and accumulation of dirt. In addition, during manufacture, (before casting the elastomer) the basin is difficult to position perfectly in relation to the receiving plane and a defect of positioning leads to a very defective aesthetic of the finished product (eccentric basin, surrounded by a seal of varying thickness).

La présente invention se propose de pallier les défauts ci-dessus évoqués des procédés d'intégration connus, du type assurant, en partie supérieure, un affleurement de la vasque et du plan récepteur.The present invention proposes to overcome the above-mentioned defects of known integration processes, of the type ensuring, in the upper part, an outcrop of the basin and the receiving plane.

Un objectif de l'invention est en particulier de fournir un ensemble plan récepteur/vasque qui, une fois réalisé, forme un élément monobloc indissociable, sans possibilité ni risque de déplacement de la vasque par rapport au plan récepteur.An object of the invention is in particular to provide a receiver plan / sink unit which, once produced, forms an inseparable monobloc element, without possibility or risk of movement of the basin relative to the receiving plane.

Un autre objectif est d'obtenir pour cet ensemble un aspect fini de qualité remarquable, avec en particulier une continuité parfaite vasque/plan récepteur au niveau de la surface supérieure de ce dernier.Another objective is to obtain for this set a finite appearance of remarkable quality, with in particular a perfect continuity sink / receiving plane at the upper surface of the latter.

Un autre objectif est d'indiquer un procédé ne faisant pas appel à des accessoires de fixation mécaniques et dont la mise en oeuvre puisse être opérée en usine à un coût réduit par rapport aux procédés connus.Another objective is to indicate a method which does not use mechanical fastening accessories and whose implementation can be carried out at the factory at a reduced cost compared to known methods.

En vue de rendre là description plus claire, on supposera dans toute la suite le plan récepteur et la vasque dans leur position normale de service, les termes "haut", "bas", "supérieur", "inférieur" se référant à cette position.In order to make the description clearer, we shall assume in the following the receiver plane and the basin in their normal position of service, the terms "high", "low", "upper", "lower" referring to this position .

Le procédé conforme à l'invention pour l'intégration d'une vasque à un plan récepteur se caractérise en ce qu'il combine les opérations suivantes :

  • (a) on réalise la vasque par moulage d'une matière synthétique, avec une embouchure périphérique comportant une portion évasée vers le haut suivie d'une portion arrondie se terminant par un bord supérieur de direction centrifuge et de diamètre prédéfini,
  • (b) on perce de part en part le plan récepteur et on réalise dans celui-ci une ouverture d'insertion de la vasque comprenant sur chant :
    • dans sa partie haute, un ressaut supérieur, conjugué du bord supérieur de vasque et de hauteur adaptée pour permettre l'emboîtement à jeu réduit dudit bord supérieur de vasque dans ledit ressaut,
         dans sa partie intermédiaire, un arrondi convexe conjugué de la portion arrondie de la vasque de façon à pouvoir s'appliquer à jeu réduit contre ladite portion arrondie, ledit arrondi convexe étant suivi d'un tronçon, dit de décompression, agencé pour venir en regard de la portion évasée de vasque de façon à former avec celle-ci une chambre de décompression,
  • (c) on dépose une fine couche de colle polymérisable au niveau du ressaut supérieur et d'une partie au moins de l'arrondi du plan récepteur,
  • (d) on met ensuite la vasque en place dans l'ouverture du plan récepteur de façon que son bord supérieur et sa portion arrondie viennent s'enchâsser respectivement en regard du ressaut supérieur et de l'arrondi du plan récepteur,
  • (e) on enfonce ladite vasque en comprimant la fine couche de colle polymérisable de sorte que le bord supérieur de vasque vienne affleurer la surface supérieure du plan récepteur, la compression ayant pour effet d'amincir et d'uniformiser l'épaisseur de colle polymérisable comprimée entre les surfaces conjuguées, et s'accompagnant d'une coulée de colle vers la chambre de décompression délimitée par la portion évasée de vasque et le tronçon de décompression du plan récepteur.
The method according to the invention for the integration of a basin with a receiving plane is characterized in that it combines the following operations:
  • (a) the basin is made by molding a synthetic material, with a peripheral mouth comprising an upwardly flared portion followed by a rounded portion ending in an upper edge of centrifugal direction and of predefined diameter,
  • (b) the receiver plane is pierced right through and an insertion opening of the vessel comprising on edge is made in it:
    • in its upper part, an upper projection, conjugated with the upper edge of basin and height adapted to allow the interlocking clearance of said upper edge of basin in said projection,
      in its intermediate part, a conjugate convex rounding of the rounded portion of the basin so as to be able to apply reduced play against said rounded portion, said convex rounding being followed by a section, said decompression, arranged to come opposite of the flared portion of a basin so as to form therewith a decompression chamber,
  • (c) depositing a thin layer of polymerizable adhesive at the upper projection and at least a portion of the rounding of the receiving plane,
  • (d) the basin is then placed in the opening of the receiving plane so that its upper edge and its rounded portion are respectively engaged opposite the upper projection and the rounding of the receiving plane,
  • (e) pressing said bowl by compressing the thin layer of polymerizable adhesive so that the upper edge of the basin is flush with the upper surface of the receiving plane, the compression having the effect of thinning and uniformizing the thickness of polymerizable adhesive compressed between the conjugate surfaces, and accompanied by a flow of glue to the decompression chamber defined by the flared portion of the basin and the decompression section of the receiving plane.

Selon un mode de mise en oeuvre préférentiel, le perçage de l'ouverture du plan récepteur (b) est réalisé de façon à doter ladite ouverture dans sa partie inférieure, d'une face d'appui (14) pour le coulage d'un talon, le procédé comprenant une opération finale (f) consistant à couler un talon de résine polymérisable au niveau de cette face d'appui entre ladite face d'appui et la vasque de façon à réaliser une liaison continue périphérique entre ces éléments assurant leur blocage sur toute la périphérie.According to a preferred embodiment, the hole in the opening of the receiving plane (b) is designed so as to endow said opening in its lower part with a bearing face (14) for casting a heel, the method comprising a final operation (f) of casting a polymerizable resin bead at this bearing face between said bearing face and the vessel so as to provide a continuous peripheral connection between these elements ensuring their blocking on the whole periphery.

Comme on le comprendra mieux plus loin, un tel procédé permet de fabriquer un ensemble monobloc plan récepteur/vasque, indissociable, sans organe mécanique, cet ensemble pouvant être réalisé en usine à coût réduit. Aucun mouvement relatif vasque-plan récepteur n'est à craindre, susceptible d'affecter le caractère esthétique de l'ensemble. Le mode de mise en place de la vasque conduit à un enchâssement précis du bord supérieur et de la portion arrondie de la vasque en regard respectivement du ressaut et de l'arrondi convexe du plan récepteur et permet d'obtenir en partie supérieure un affleurement parfait de ladite vasque dans ledit plan récepteur, et une continuité très esthétique des surfaces. De préférence, la vasque et l'ouverture du plan récepteur sont réalisées de sorte que le bord supérieur et la portion arrondie de vasque présentent des formes respectivement conjuguées de celles du ressaut et de l'arrondi convexe du plan récepteur, avec un jeu compris entre 0,1 mm et 0,7 mm. Il est à noter que le positionnement précis est autorisé par la définition des surfaces conjuguées de la vasque et du plan récepteur qui sont réalisées pour s'épouser étroitement et par la présence de la chambre de décompression qui, d'une part, reçoit la majeure partie de l'excès de colle chassée lors de la compression et, d'autre part, permet de réaliser dans de bonnes conditions la coulée du talon en partie basse.As will be understood better later, such a method makes it possible to manufacture a monobloc receiver / basin unit assembly, inseparable, without mechanical member, this assembly can be realized in the factory at reduced cost. No relative movement vasque-plan receptor is to be feared, likely to affect the aesthetic character of the whole. The method of installation of the basin leads to a precise entrenchment of the upper edge and the portion rounded of the basin opposite respectively the projection and the convex rounding of the receiving plane and allows to obtain in the upper part a perfect outcropping of said bowl in said receiving plane, and a very aesthetic continuity surfaces. Preferably, the basin and the opening of the receiving plane are formed so that the upper edge and the rounded basin portion have respectively conjugate shapes of those of the projection and the convex rounding of the receiving plane, with a clearance between 0.1 mm and 0.7 mm. It should be noted that the precise positioning is authorized by the definition of the conjugate surfaces of the basin and the receiving plane which are realized to marry closely and by the presence of the decompression chamber which, on the one hand, receives the major part of the excess glue removed during compression and, secondly, allows to achieve in good conditions the casting of the heel at the bottom.

Selon un mode de mise en oeuvre préféré, contribuant à l'obtention d'un aspect fini de qualité, on enfonce la vasque dans l'ouverture du plan récepteur au moyen d'un gabarit conformateur épousant la forme de la surface supérieure de l'embouchure de vasque et du plan récepteur de façon à guider le positionnement de la vasque dans l'ouverture jusqu'à affleurement du bord supérieur de vasque avec la surface supérieure du plan récepteur. Ce gabarit conformateur conduit à un positionnement très précis de la vasque en fin d'enfoncement et permet d'obtenir, après durcissement, un joint de colle régulier sur toute la périphérie de la vasque au niveau de sa portion arrondie et de son bord supérieur ; l'arête externe du bord supérieur de vasque est amenée, avec une grande précision, dans le même plan que la surface supérieure du plan récepteur.According to a preferred embodiment, which contributes to obtaining a quality finished appearance, the bowl is pushed into the opening of the receiving plane by means of a conforming jig conforming to the shape of the upper surface of the mouth of the basin and the receiving plane so as to guide the positioning of the basin in the opening until flush with the upper surface of the receiving plane. This shaping jig leads to a very precise positioning of the basin at the end of penetration and provides, after hardening, a regular glue joint over the entire periphery of the basin at its rounded portion and its upper edge; the outer edge of the upper edge of the basin is brought, with great precision, in the same plane as the upper surface of the receiving plane.

Le gabarit conformateur peut être fixé sur la vasque par tout moyen ou simplement appliqué sur celle-ci. En fin d'enfoncement, il est maintenu en place sur le plan récepteur jusqu'au durcissement de la colle, par tout moyen (presse, organes de serrage, vérins, application d'une pression pneumatique...).The shaping jig can be fixed on the basin by any means or simply applied to it. At the end of driving, it is held in place on the receiving plane until hardening of the glue, by any means (press, clamping devices, cylinders, application of a pneumatic pressure ...).

Après durcissement de la colle, le joint entre vasque et plan récepteur est arasé de façon à éliminer les débordements de colle au-dessus de la surface supérieure du plan récepteur. Cette opération de finition peut être exécutée au moyen d'un couteau à araser de type classique ou peut consister en un nettoyage au moyen d'un solvant.After curing the glue, the seal between the basin and receiving plane is leveled so as to eliminate glue overflows above the upper surface of the receiving plane. This finishing operation can be performed by means of a conventional type of paring knife or may consist of cleaning with a solvent.

La vasque peut être constituée en matière thermoplastique et réalisée par thermoformage ; l'embouchure périphérique de vasque est alors formée avec une extension périphérique qui est ensuite usinée pour réaliser le bord supérieur de l'embouchure à un diamètre précis correspondant, au jeu près, à celui du ressaut du plan récepteur. Selon un mode de mise en oeuvre préféré, la vasque est moulée en matière acrylique, la colle polymérisable et la résine polymérisable du talon étant également de type acrylique, de façon à réaliser une soudure au niveau de la vasque (fusion superficielle de la vasque avant durcissement).The basin may be made of thermoplastic material and made by thermoforming; the peripheral mouthpiece of the basin is then formed with a peripheral extension which is then machined to make the upper edge of the mouthpiece to a precise diameter corresponding, with the game, to that of the projection of the receiving plane. According to a preferred embodiment, the basin is molded of acrylic material, the polymerizable adhesive and the polymerizable resin of the heel being also of acrylic type, so as to achieve a weld at the basin (superficial melting of the front basin) curing).

La vasque peut également être fabriquée par injection dans un moule la conformant directement aux formes prédéfinies.The basin can also be manufactured by injection into a mold conforming directly to the predefined shapes.

L'invention s'étend, en tant que produit nouveau, à l'ensemble monobloc plan récepteur/vasque obtenu par mise en oeuvre du procédé. En particulier, selon un mode de réalisation avantageux, le plan récepteur. dudit ensemble possède une ouverture dont le chant pourvu d'un ressaut supérieur, d'un arrondi intermédiaire et d'une face d'appui inférieure est pris en feuillure par la vasque entre, d'une part, l'embouchure périphérique de celle-ci dotée d'une portion arrondie et d'un bord supérieur de direction centrifuge et, d'autre part, un talon inférieur de résine polymérisée, liant et bloquant la vasque et le plan récepteur sur tout le pourtour en partie basse.The invention extends, as a new product, to the monobloc plan receptor / basin assembly obtained by implementing the method. In particular, according to an advantageous embodiment, the receiver plane. said set has an opening whose edge provided with an upper projection, an intermediate round and a lower bearing face is taken in rabbet by the basin between, on the one hand, the peripheral mouth of the It has a rounded portion and an upper edge of centrifugal direction and, on the other hand, a lower bead of polymerized resin, binding and blocking the basin and the receiving plane all around the periphery at the bottom.

D'autres caractéristiques, buts et avantages de l'invention ressortiront de la description qui suit en regard des dessins annexés, qui présentent à titre d'exemple non limitatif un mode de mise en oeuvre du procédé ; sur ces dessins :

  • la figure 1 schématise, en coupe, une vasque en cours de thermoformage,
  • la figure 2 est une coupe de détail, à échelle dilatée, de la vasque obtenue, illustrant l'opération d'usinage de son embouchure périphérique,
  • la figure 3 schématise, en coupe générale. un plan récepteur après usinage de l'ouverture.
  • la figure 4 est une vue de détail, à échelle dilatée, de ce plan récepteur,
  • la figure 5 illustre la mise en place de la vasque dans l'ouverture du plan récepteur, après dépose d'une couche de colle polymérisable,
  • la figure 6 est une coupe de détail, à échelle dilatée, illustrant cette opération de mise en place,
  • la figure 7 illustre la position de la vasque en fin d'enfoncement dans l'ouverture du plan récepteur,
  • la figure 8 schématise la formation du talon inférieur entre vasque et plan récepteur (l'ensemble étant renversé pour cette opération),
  • la figure 9 est une vue générale, en coupe, de l'ensemble obtenu,
  • la figure 10 est une coupe partielle à échelle dilatée et la figure 11 est une coupe de détail à échelle très agrandie.
Other features, objects and advantages of the invention will emerge from the description which follows with reference to the accompanying drawings, which show by way of non-limiting example one embodiment of the method; in these drawings:
  • FIG. 1 schematizes, in section, a basin in the process of thermoforming,
  • FIG. 2 is a detail section, on an enlarged scale, of the basin obtained, illustrating the machining operation of its peripheral mouth,
  • Figure 3 schematizes, in general section. a receiving plane after machining the opening.
  • FIG. 4 is a detail view, on an enlarged scale, of this receiver plane,
  • FIG. 5 illustrates the installation of the basin in the opening of the receiving plane, after removal of a layer of polymerizable adhesive,
  • FIG. 6 is a detail section, on an enlarged scale, illustrating this placing operation,
  • FIG. 7 illustrates the position of the basin at the end of the depression in the opening of the receiving plane,
  • FIG. 8 schematizes the formation of the lower bead between the basin and the receiving plane (the assembly being reversed for this operation),
  • FIG. 9 is a general view, in section, of the assembly obtained,
  • Figure 10 is an enlarged fragmentary sectional view and Figure 11 is an enlarged scale detail section.

L'opération de thermoformage schématisée à titre d'exemple à la figure 1 est en elle-même classique. Une plaque 1 en matière acrylique thermoformable est mise en forme par une pression pneumatique dans un moule 2 présentant une forme conjuguée de celle de la vasque à obtenir 3 décrite plus loin. En bordure périphérique, la vasque comporte une extension plane 4 qui est pincée entre moule et contre-moule pendant l'opération de thermoformage.The thermoforming operation shown schematically by way of example in FIG. 1 is in itself conventional. A plate 1 of thermoformable acrylic material is shaped by pneumatic pressure in a mold 2 having a shape conjugate to that of the bowl to obtain 3 described below. At the peripheral edge, the basin has a flat extension 4 which is clamped between mold and against-mold during the thermoforming operation.

La vasque 3 comprend un fond 5 de type classique (généralement percé d'un trou d'évacuation) et un flanc périphérique qui possède une embouchure composée, comme l'illustre la figure 2, d'une portion évasée vers le haut 6, en l'exemple de forme sensiblement tronconique, d'une portion arrondie 7 orientée vers l'extérieur et se terminant par un bord supérieur 8 de direction centrifuge. Ce bord est prolongé par l'extension plane 4 laquelle s'étend selon une direction horizontale (c'est-à-dire orthogonale à l'axe de la vasque).The vessel 3 comprises a bottom 5 of conventional type (generally pierced with a drainage hole) and a peripheral flank which has a composite mouth, as illustrated in FIG. 2, with an upwardly flared portion 6, the example of substantially frustoconical shape, a rounded portion 7 oriented outwardly and ending with an upper edge 8 of centrifugal direction. This edge is extended by the plane extension 4 which extends in a horizontal direction (that is to say orthogonal to the axis of the basin).

Après refroidissement, la vasque 3 est usinée sur machine à commande numérique pour découper l'extension 4 et réaliser le bord supérieur 8 de forme et de diamètre précis. Cette découpe est de préférence opérée de sorte que le bord 8 ait un chant très légèrement incliné en contredépouille, qui est positionné sensiblement aux points de tangence entre portion arrondie 7 et plans horizontaux comme l'illustre la figure 2.After cooling, the basin 3 is machined on a numerically controlled machine to cut the extension 4 and make the upper edge 8 of precise shape and diameter. This cut is preferably operated so that the edge 8 has a very slightly inclined singing in reverse, which is positioned substantially at points of tangency between rounded portion 7 and horizontal planes as shown in Figure 2.

On obtient ainsi une vasque 3 de forme précise prédéfinie. Bien entendu, d'autres types de moulage (injection...) peuvent être utilisés pour obtenir une telle vasque.This gives a basin 3 of precise shape predefined. Of course, other types of molding (injection ...) can be used to obtain such a basin.

Le plan récepteur 9 schématisé aux figures 3 et 4 est un panneau en tout matériau habituellement utilisé dans ce type d'application (matériau composite, bois, lamellé collé, marbre, granit...). En l'exemple représenté, ce panneau est en aggloméré réalisé à partir de particules hydrofuges à base de bois, revêtu d'un revêtement décoratif en stratifié dont la surface 9a constituera la surface supérieure apparente du produit fini.The receiving plane 9 schematically in Figures 3 and 4 is a panel of any material usually used in this type of application (composite material, wood, glulam, marble, granite ...). In the example shown, this panel is made of chipboard made from wood-based water-repellent particles, coated with a laminate decorative coating whose surface 9a will constitute the apparent upper surface of the finished product.

Ce panneau est percé de part en part et soumis à un usinage sur machine numérique en vue de ménager dans celui-ci une ouverture 10 dont le chant périphérique possède, comme l'illustre la figure 4, un ressaut supérieur 11 conjugué du bord supérieur 8 de vasque, un arrondi convexe 12 conjugué de la portion arrondie 7 de vasque, un tronçon dit de décompression 13, en l'exemple de forme sensiblement cylindrique, et une face d'appui inférieure 14 constituée en l'exemple par un congé périphérique ménagé au niveau de l'arête inférieure du plan récepteur.This panel is pierced from one end to the other and subjected to machining on a digital machine in order to provide therein an opening 10 whose peripheral edge has, as illustrated in FIG. 4, an upper projection 11 conjugated with the upper edge 8 basin, a convex rounding 12 conjugate of the rounded portion 7 of the basin, a so-called decompression section 13, in the example of substantially cylindrical shape, and a lower bearing surface 14 formed in the example by a peripheral fillet at the lower edge of the receiving plane.

Le ressaut supérieur 11 et l'arrondi convexe 12 sont usinés en correspondance avec le bord supérieur 8 et la portion arrondie 7 de vasque de façon que leurs formes respectives soient conjuguées avec un jeu compris entre 0,1mm et 0,7mm en vue de la formation ultérieure d'un joint de colle très mince d'épaisseur inférieure à 0,7 mm.The upper projection 11 and the convex rounding 12 are machined in correspondence with the upper edge 8 and the rounded portion 7 of the basin so that their respective shapes are conjugated with a clearance of between 0.1 mm and 0.7 mm in order to subsequent formation of a very thin glue joint with a thickness of less than 0.7 mm.

Les figures 5 et 6 illustrent l'opération de dépose d'une fine couche de colle polymérisable 15 sur le chant du plan récepteur et l'opération de mise en place de la vasque dans ce dernier.Figures 5 and 6 illustrate the operation of depositing a thin layer of polymerizable adhesive 15 on the edge of the receiving plane and the operation of setting up the basin in the latter.

La colle utilisée est en particulier une colle thermodurcissable de type acrylique, apte à pénétrer dans les cellules ouvertes de la structure agglomérée et à réaliser une soudure avec la matière acrylique de la vasque par fusion superficielle de celle-ci. La mince couche de colle acrylique est déposée au niveau du ressaut 11 et en partie supérieure de l'arrondi 12.The adhesive used is in particular a thermosetting glue of acrylic type, able to penetrate into the open cells of the agglomerated structure and to make a weld with the acrylic material of the basin by superficial melting thereof. The thin layer of acrylic glue is deposited at the projection 11 and in the upper part of the rounded portion 12.

La vasque 3 est présentée au moyen d'un gabarit conformateur 16 au niveau de l'ouverture 10 du plan récepteur. Le gabarit conformateur est destiné à permettre une mise en place très précise de la vasque dans l'ouverture. Ce gabarit conformateur comprend une zone 16a qui épouse, en creux, la surface supérieure de l'embouchure de vasque et une zone périphérique plate 16b, destinée à venir reposer sur la surface supérieure 9a du plan récepteur en fin d'enfoncement.The vessel 3 is presented by means of a shaping jig 16 at the opening 10 of the receiving plane. The shaping jig is intended to allow a very precise installation of the basin in the opening. This shaping jig comprises an area 16a which hugs, recessed, the upper surface of the mouth of the basin and a flat peripheral zone 16b, intended to rest on the upper surface 9a of the receiving plane at the end of depression.

Ce gabarit conformateur peut être fixé sur la vasque en particulier par une tige filetée 17 passant par le trou d'évacuation de ladite vasque.This shaping jig can be fixed on the basin in particular by a threaded rod 17 passing through the drain hole of said basin.

Comme l'illustre la figure 7, en fin d'enfoncement, le tronçon de décompression 13 du plan récepteur et la portion évasée 6 de la vasque délimitent une chambre de décompression 18 ayant une section en forme de sifflet s'élargissant vers le bas. La colle 15 est comprimée par la vasque et forme un joint de colle de faible épaisseur uniforme correspondant sensiblement au jeu entre plan récepteur et vasque ; l'excès de colle s'écoule vers la chambre de décompression 18. II convient de souligner que le guidage opéré par ce gabarit garantit une remarquable régularité du joint de colle tout autour de l'embouchure de vasque et un positionnement précis du bord supérieur 8 de vasque dont l'arête externe 8a vient se situer dans le plan de la surface supérieure 9a du plan récepteur, au contact de l'arête supérieure du ressaut 11.As shown in Figure 7, at the end of depression, the decompression section 13 of the receiving plane and the flared portion 6 of the vessel delimit a decompression chamber 18 having a whistle-shaped section widening downwards. The glue 15 is compressed by the basin and forms a glue joint of small uniform thickness substantially corresponding to the clearance between receiving plane and basin; the excess glue flows towards the decompression chamber 18. It should be emphasized that the guidance operated by this template guarantees a remarkable regularity of the glue joint all around the mouth of the basin and a precise positioning of the upper edge 8 of basin whose outer edge 8a is located in the plane of the upper surface 9a of the receiving plane, in contact with the upper edge of the projection 11.

Le gabarit conformateur est laissé en place pendant le durcissement de la colle 15. A cet effet, il peut être fixé au plan récepteur par des moyens de serrage latéraux (non représentés) ou par application d'une pression sur celui-ci (presse, pression pneumatique...). Au terme du durcissement, on obtient une liaison parfaite entre vasque et plan récepteur grâce à la diffusion de la colle acrylique dans les fibres de l'aggloméré et à la soudure continue avec la matière acrylique de la vasque.The shaping jig is left in place during the hardening of the glue 15. For this purpose, it can be fixed to the receiving plane by lateral clamping means (not shown) or by applying pressure thereto (press, pneumatic pressure ...). At the end of the hardening, a perfect connection is obtained between the basin and the receiving plane thanks to the diffusion of the acrylic glue into the fibers of the agglomerate and the continuous welding with the acrylic material of the basin.

Après durcissement, l'ensemble est retourné et un talon de résine polymérisable 19 est coulé sur le congé 14 du plan récepteur entre ce dernier et la vasque, comme l'illustre la figure 8.After curing, the assembly is returned and a polymerizable resin heel 19 is cast on the fillet 14 of the receiving plane between the latter and the vessel, as illustrated in FIG. 8.

La vasque a été moulée de façon que sa portion évasée 6, en l'exemple tronconique, s'étende vers le bas jusqu'au niveau du congé 14 lorsqu'elle est en place. Le talon de résine est coulé sur tout le pourtour, en lui conférant une section sensiblement triangulaire comme le montre la figure 8. La résine utilisée est en particulier de type acrylique, en particulier à base de PMMA teinté dans la masse ; elle peut être mise en place par tout moyen, notamment au pistolet. Une partie de la coulée s'échappe dans la chambre de décompression 18, ce qui facilite l'opération et renforce la tenue de la liaison entre plan récepteur et vasque.The basin has been molded so that its flared portion 6, frustoconical example, extends down to the level of the leave 14 when in place. The resin heel is poured all around, giving it a substantially triangular section as shown in Figure 8. The resin used is in particular of acrylic type, in particular based on PMMA tinted in the mass; it can be put in place by any means, including the pistol. Part of the pouring escapes into the decompression chamber 18, which facilitates the operation and strengthens the holding of the connection between receiving plane and basin.

Une opération de finition est ensuite réalisée pour araser le joint entre l'embouchure de vasque et la surface supérieure du plan récepteur. Cette opération peut être exécutée par un couteau à araser, manuellement ou éventuellement sur machine numérique.A finishing operation is then performed to level the joint between the mouth of the basin and the upper surface of the receiving plane. This operation can be performed by a sharpening knife, manually or possibly on a digital machine.

Au terme des opérations, on obtient un ensemble monobloc plan récepteur/vasque tel qu'illustré aux figures 9 et 10. Sur tout son pourtour, le chant de l'ouverture du plan récepteur est pris en feuillure par la vasque entre, d'une part, l'embouchure de celle-ci et, d'autre part, le talon inférieur de résine polymérisée. Cet ensemble indéformable bénéficie d'une qualité d'aspect remarquable avec une continuité parfaite des surfaces au niveau du joint entre embouchure de vasque et surface supérieure du plan récepteur. La figure de détail 11 montre le joint entre vasque et plan récepteur au niveau de la partie haute de l'ensemble. La faible épaisseur de ce joint (inférieure à 0,7 mm), la diffusion (symbolisée en 20) de la colle acrylique dans les fibres de l'aggloméré et la continuité entre colle durcie et vasque au niveau de la surface de cette dernière (en raison de la soudure par fusion superficielle) contribuent à donner à l'ensemble un caractère monobloc indissociable.At the end of the operations, one obtains a monobloc receiver / basin assembly as illustrated in FIGS. 9 and 10. The edge of the opening of the receiver plane is entirely recessed by the basin between part, the mouth of the latter and, on the other hand, the lower bead of polymerized resin. This indeformable assembly benefits from a remarkable quality of appearance with a perfect continuity of the surfaces at the level of the seal between the mouth of basin and upper surface of the receiving plane. Figure 11 shows the seal between the basin and receiving plane at the top of the assembly. The small thickness of this seal (less than 0.7 mm), the diffusion (symbolized at 20) of the acrylic glue in the fibers of the agglomerate and the continuity between hardened glue and basin at the surface of the latter ( because of the superficial fusion weld) contribute to give the whole an inseparable monobloc character.

Claims (14)

  1. A method of integrating a basin into a receiving plane, in particular a plane for sanitary fittings or a worktop in a piece of furniture, characterized in that the said method combines the following operations:
    (a) the basin is produced by moulding a synthetic material, with a peripheral mouth comprising a portion (6) which is widened out towards the top, followed by a rounded portion (7) terminating in an upper rim (8) of centrifugal direction and of predefined diameter,
    (b) the receiving plane is bored right through and an opening for the insertion of the basin is produced in the said plane, the said opening comprising, edgewise:
    • in its top part, an upper offset (11) matched to the upper rim (8) of the basin and of a height which is suitable for permitting the encasing of the said upper rim of the basin in the said offset with little clearance,
    • in its intermediate part, a convex rounded formation (12) matched to the rounded portion of the basin so as to be capable of being applied, with little clearance, against the said rounded portion, the said convex rounded formation being followed by a so-called "decompression" section (13), which is arranged to arrive opposite the widened-out portion of the basin so as to form a decompression chamber with the said portion,
    (c) a fine layer of polymerisable glue (15) is deposited at the level of the upper offset (11) and of part of the rounded formation (12) on the receiving plane,
    (d) the basin is then placed in position in the opening in the receiving plane so that its upper rim (8) and its rounded portion (7) become enchased opposite the upper offset (11) and the rounded formation (12) on the receiving plane respectively,
    (e) the said basin is pushed in, compressing the fine layer of polymerisable glue (15), in such a way that the upper rim (8) of the basin becomes flush with the upper surface (9a) of the receiving plane, the compression having the effect of making the thickness of the polymerisable glue compressed between the matched surfaces thinner and uniform, and being accompanied by a flow of glue towards the decompression chamber (18) delimited by the widened-out portion of the basin and the decompression section of the receiving plane.
  2. A method according to Claim 1, characterized in that the boring of the opening in the receiving plane (b) is carried out so as to endow the said opening, in its lower part, with a supporting face (14) for casting a shoulder, the method comprising a final operation (f) consisting in casting a shoulder of polymerisable resin (19) at the level of this supporting face (14), between the said supporting face and the basin so as to produce a continuous peripheral connection between these elements, thereby ensuring the caulking thereof over the entire periphery.
  3. A method according to any one of Claims 1 or 2, characterized in that the basin and the opening in the receiving plane are produced in such a way that the upper rim (8) and the rounded portion (7) of the basin have shapes which are matched to those of the offset (11) and of the convex rounded formation (12) on the receiving plane respectively, with a clearance of between 0.1 mm and 0.7 mm.
  4. A method according to Claim 3,characterized in that (c) the deposition of the fine layer of polymerisable glue and (e) the pushing-in of the basin are carried out in such a way as to obtain a glue joint with a thickness of less than 0.7 mm.
  5. A method according to any one of Claims 1, 2, 3 or 4, characterized in that the basin is pushed into the opening in the receiving plane by means of a conforming jig (16) closely following the shape of the upper surface of the basin mouth and of the receiving plane so as to guide the positioning of the basin in the opening in the receiving plane until the upper rim (8) of the basin is flush with the upper surface (9a) of the said receiving plane.
  6. A method according to any one of Claims 1, 2, 3, 4 or 5, characterized in that, after setting, the joint between the basin and the receiving plane is levelled at the level of the upper surface of the said receiving plane.
  7. A method according to any one of Claims 1, 2, 3, 4, 5 or 6, characterized in that the basin is produced in a thermoplastic material by thermoforming, followed by the machining of its mouth with a view to producing the upper rim (8) with the predefined diameter.
  8. A method according to any one of Claims 1, 2, 3, 4, 5 or 6, characterized in that the basin is produced by injection into a mould which conforms it directly to the predefined shapes.
  9. A method according to Claim 2, characterized in that:
    • the basin is produced by moulding with a substantially frustoconical widened-out portion (6),
    • the opening in the receiving plane is produced so that the lower supporting face (14) is constituted by a peripheral fillet formed at the level of the lower arris of the receiving plane, and that the decompression section (13) is substantially cylindrical in order to be capable of forming, with the basin, a decompression chamber (18) having a bevel-shaped cross-section which broadens out towards the bottom.
  10. A method according to Claim 9, characterized in that:
    • the basin is produced so that its frustoconical widened-out portion (6) extends downwards as far as the level of the fillet (14) on the receiving plane when the said basin is in place,
    • the shoulder of polymerisable resin (19) is cast while conferring upon it a substantially triangular cross-section, with a gap in the resin in the decompression chamber (18).
  11. A method according to any one of the preceding claims, characterized in that the basin is moulded in acrylic material, the polymerisable glue (15) and the polymerisable resin of the shoulder (19) being of acrylic type.
  12. A method according to Claim 11, characterized in that the receiving plane is made of wood-based fibreboard, surmounted by a coating made of laminate.
  13. A monobloc receiving-plane/basin assembly for furniture, in particular bathroom or kitchen furniture, which assembly is manufactured by implementing the method according to any one of the preceding claims, characterized in that the receiving plane possesses an opening whose edge, which is provided with an upper offset (11), an intermediate rounded formation (12) and a lower supporting face (14), is held in a rabbet by the basin between, on the one hand, the peripheral mouth of the latter, which mouth is endowed with a rounded portion (7) and with an upper rim (8) of centrifugal direction, and on the other hand, a lower shoulder (19) of polymerised resin which connects and caulks the basin and the receiving plane over the entire circumference at the bottom part.
  14. A monobloc receiving-plane/basin assembly for furniture, in particular bathroom or kitchen furniture, which assembly is manufactured by implementing the method according to any one of the preceding claims and characterized in that the receiving plane possesses an opening whose edge is provided with an upper offset (11) and with an intermediate rounded formation (12) and the basin possesses a peripheral mouth endowed with a rounded portion (7) and with an upper edge (8) of centrifugal direction, wherein the rounded portion (7) and the upper edge (8) of the basin closely follows the upper offset (11) and the intermediate rounded formation (12) on the receiving plane, with an interposed glue joint with a thickness of less than 0.7 mm.
EP99915817A 1998-05-07 1999-04-22 Method for incorporating a basin in a receiving plane, resulting monobloc assembly for furniture in particular bathroom or kitchen furniture Expired - Lifetime EP1076740B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SI9930597T SI1076740T1 (en) 1998-05-07 1999-04-22 Method for incorporating a basin in a receiving plane, resulting monobloc assembly for furniture in particular bathroom or kitchen furniture

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR9805818A FR2778419B1 (en) 1998-05-07 1998-05-07 PROCESS FOR THE INTEGRATION OF A VESSEL WITH A RECEIVING TOP, A MONOBLOCK ASSEMBLY OBTAINED FOR FURNITURE, PARTICULARLY A BATHROOM OR KITCHEN
FR9805818 1998-05-07
PCT/FR1999/000961 WO1999057383A1 (en) 1998-05-07 1999-04-22 Method for incorporating a basin in a receiving plane, resulting monobloc assembly for furniture in particular bathroom or kitchen furniture

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EP1076740A1 EP1076740A1 (en) 2001-02-21
EP1076740B1 true EP1076740B1 (en) 2004-03-31

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US (1) US6311345B1 (en)
EP (1) EP1076740B1 (en)
JP (1) JP2002513876A (en)
KR (1) KR20010071220A (en)
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AT (1) ATE263288T1 (en)
AU (1) AU3426199A (en)
CA (1) CA2331362A1 (en)
CZ (1) CZ298299B6 (en)
DE (1) DE69916044T2 (en)
DK (1) DK1076740T3 (en)
ES (1) ES2220057T3 (en)
FR (1) FR2778419B1 (en)
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PT (1) PT1076740E (en)
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PL344008A1 (en) 2001-09-10
AU3426199A (en) 1999-11-23
CA2331362A1 (en) 1999-11-11
ES2220057T3 (en) 2004-12-01
CZ298299B6 (en) 2007-08-22
JP2002513876A (en) 2002-05-14
TR200003141T2 (en) 2001-03-21
PL190153B1 (en) 2005-11-30
DK1076740T3 (en) 2004-08-02
KR20010071220A (en) 2001-07-28
EP1076740A1 (en) 2001-02-21
IL139331A0 (en) 2001-11-25
FR2778419A1 (en) 1999-11-12
FR2778419B1 (en) 2000-06-16
ATE263288T1 (en) 2004-04-15
CZ20004135A3 (en) 2001-09-12
DE69916044D1 (en) 2004-05-06
WO1999057383A1 (en) 1999-11-11
US6311345B1 (en) 2001-11-06
DE69916044T2 (en) 2004-11-18
CN1299430A (en) 2001-06-13
PT1076740E (en) 2004-08-31

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