EP1315579B1 - Liquid product dispenser - Google Patents

Liquid product dispenser Download PDF

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Publication number
EP1315579B1
EP1315579B1 EP01967449A EP01967449A EP1315579B1 EP 1315579 B1 EP1315579 B1 EP 1315579B1 EP 01967449 A EP01967449 A EP 01967449A EP 01967449 A EP01967449 A EP 01967449A EP 1315579 B1 EP1315579 B1 EP 1315579B1
Authority
EP
European Patent Office
Prior art keywords
valve
bellows
head
reservoir
inlet valve
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.)
Expired - Lifetime
Application number
EP01967449A
Other languages
German (de)
French (fr)
Other versions
EP1315579A1 (en
Inventor
Jean-Louis Bougamont
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.)
Silgan Dispensing Systems Le Treport SAS
Original Assignee
Rexam Dispensing Systems SAS
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 Rexam Dispensing Systems SAS filed Critical Rexam Dispensing Systems SAS
Publication of EP1315579A1 publication Critical patent/EP1315579A1/en
Application granted granted Critical
Publication of EP1315579B1 publication Critical patent/EP1315579B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/0005—Components or details
    • B05B11/0062—Outlet valves actuated by the pressure of the fluid to be sprayed
    • B05B11/0064—Lift valves
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1028—Pumps having a pumping chamber with a deformable wall
    • B05B11/1035—Pumps having a pumping chamber with a deformable wall the pumping chamber being a bellow
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1042—Components or details
    • B05B11/1066—Pump inlet valves
    • B05B11/1067—Pump inlet valves actuated by pressure

Definitions

  • each of the valves are notably distinct from the fact that the intake valve works without constraint unlike the exhaust valve which is subject to him to the strong pressures prevailing in the room and which therefore works at the way of a valve.
  • each of said valves has a tapered and elastically sealing capsule deformable extended by snap lugs delimiting between them channels for the passage of the product.
  • the bellows 1 is preferably made with a material rigid plastic such as polypropylene.
  • the rigidity of the collar 12 is, in addition, reinforced by the presence ejection duct C which surrounds it coaxially.

Landscapes

  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Closures For Containers (AREA)
  • Steroid Compounds (AREA)
  • Formation And Processing Of Food Products (AREA)
  • Telephone Function (AREA)
  • Distillation Of Fermentation Liquor, Processing Of Alcohols, Vinegar And Beer (AREA)
  • Loading And Unloading Of Fuel Tanks Or Ships (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)

Abstract

The invention relates to a liquid dispenser of the type comprising a reservoir (R1, R2) provided at its top with an outflow orifice (V) which is closed off by an inlet valve (a) and which opens out into a metering chamber (10) of variable volume, which chamber communicates, via an outlet valve (e), with a discharge duct (c) provided in a dispensing head (T), the dispenser being characterized in that the metering chamber (10) is defined by a wall of a bellows (1) that is elastically deformable, at least in part.

Description

La présente invention concerne un distributeur de produits liquides.The present invention relates to a product distributor liquids.

Il existe déjà un grand nombre de distributeurs du type comprenant un réservoir pourvu en partie supérieure d'un orifice d'évacuation obturé par un clapet d'admission et débouchant dans une chambre de dosage de volume variable communiquant via un clapet d'échappement avec un conduit d'éjection ménagé dans une tête de distribution.There are already a large number of distributors of the type comprising a reservoir provided at the top with an orifice outlet closed by an intake valve and opening into a variable volume metering chamber communicating via a valve exhaust with an ejection duct arranged in a distribution.

Cependant, dans ces distributeurs, les variations de volume de la chambre de dosage et la nécessaire compression du produit qui l'occupe en vue de son éjection sont obtenues au moyen d'un piston travaillant axialement dans ladite chambre. Ce piston coopère généralement avec des moyens de rappel élastique sous forme d'un ou plusieurs ressorts hélicoïdaux métalliques.However, in these distributors, the volume variations of the dosing chamber and the necessary compression of the product which occupies for ejection are obtained by means of a piston working axially in said chamber. This piston cooperates generally with elastic return means in the form of one or several metal coil springs.

Par ailleurs, les structures respectives de chacun des clapets sont notablement distinctes du fait que le clapet d'admission travaille sans contrainte à la différence du clapet d'échappement qui est soumis quant à lui aux fortes pressions régnant dans la chambre et qui fonctionne donc à la manière d'une soupape.Furthermore, the respective structures of each of the valves are notably distinct from the fact that the intake valve works without constraint unlike the exhaust valve which is subject to him to the strong pressures prevailing in the room and which therefore works at the way of a valve.

En outre, selon un mode de réalisation simple et très répandu, le clapet d'admission comporte une bille métallique au contact du produit.In addition, according to a simple and widely used embodiment, the intake valve has a metal ball in contact with the product.

Il en résulte que les distributeurs traditionnels sont composites car ils possèdent à la fois des pièces métalliques et des pièces en matières plastiques, ce qui pose des problèmes de fabrication, de montage et de recyclage et présente des risques de détérioration des qualités du produit.As a result, traditional distributors are composite because they have both metal parts and plastics, which poses manufacturing, assembly and recycling and presents risks of deterioration of product qualities.

Plus précisément, l'invention concerne un distributeur comprenant un réservoir pourvu, en partie supérieure, d'un orifice d'évacuation situé à l'extrémité d'une douille cylindrique obturé par un clapet d'admission et débouchant dans une chambre de dosage de volume variable délimitée par la paroi d'un soufflet au moins partiellement élastiquement déformable communiquant via un clapet d'échappement logé dans un collet prolongeant ladite chambre avec un conduit d'éjection ménagé dans une tête de distribution, les éléments mobiles du clapet d'admission et du clapet d'échappement étant identiques.More specifically, the invention relates to a dispenser comprising a reservoir provided, in the upper part, with an orifice outlet located at the end of a cylindrical socket closed by a inlet valve and opening into a metering chamber variable volume delimited by the wall of a bellows at least partially elastically deformable communicating via an exhaust valve housed in a collar extending said chamber with an ejection duct formed in a distribution head, the movable elements of the valve intake and exhaust valve being identical.

Le document WO 97/42124 divulgue un distributeur de ce type,
dans lequel les éléments mobiles des clapets d'admission et d'échappement se déplacent en translation pour la distribution du produit contenu dans le réservoir, leurs courses étant limitées par des butées. Le montage du clapet d'admission et du clapet d'échappement ne prend donc pas en compte le fait que ces deux clapets sont soumis à des contraintes différentes lors du fonctionnement du distributeur.Document WO 97/42124 discloses a distributor of this type,
wherein the movable elements of the intake and exhaust valves move in translation for the distribution of the product contained in the tank, their strokes being limited by stops. The mounting of the intake valve and the exhaust valve therefore does not take into account the fact that these two valves are subjected to different stresses during the operation of the distributor.

La présente invention vise à améliorer cet état de la technique, tout en utilisant une unique matière constitutive aisément recyclable.The present invention aims to improve this state of the art, while using a single easily recyclable constituent material.

Ce but est atteint grâce au fait que la hauteur de la douille qui reçoit le clapet d'admission est inférieure à la hauteur du collet qui reçoit le clapet d'échappement, de telle sorte que l'élément mobile du clapet d'échappement est monté sous contraintes alors que l'élément mobile du clapet d'admission possède une faible liberté de translation.This goal is achieved thanks to the fact that the height of the socket which receives the intake valve is less than the height of the collar that receives the exhaust valve, so that the movable element of the valve exhaust is mounted under constraints while the movable element of the inlet valve has little freedom of translation.

Selon un mode de réalisation spécifique, chacun desdits clapets possède une capsule tronconique obturante et élastiquement déformable prolongée par des ergots d'encliquetage délimitant entre eux des canaux pour le passage du produit.According to a specific embodiment, each of said valves has a tapered and elastically sealing capsule deformable extended by snap lugs delimiting between them channels for the passage of the product.

Selon une autre variante, ledit réservoir est équipé d'une collerette dont la paroi latérale assure le guidage de la tête de distribution et son bord supérieur la retenue de ladite tête.According to another variant, said tank is equipped with a flange whose side wall guides the dispensing head and its upper edge retaining said head.

De préférence, le soufflet est fixé à la partie supérieure du réservoir.Preferably, the bellows is fixed to the upper part of the tank.

Selon d'autres caractéristiques, ledit soufflet comporte un épaulement supérieur sur lequel prennent appui des ailettes de rigidification portées par ladite tête.According to other characteristics, said bellows comprises a upper shoulder on which support fins stiffening carried by said head.

Le distributeur de l'invention possède une structure très simple et ergonomique constituée d'un nombre restreint de pièces. Il présente, en outre, l'avantage industriel et économique de pouvoir être réalisé par moulage (injection ou compression) en utilisant une seule et même matière plastique pour toutes les pièces constitutives, ce qui permet au surplus de préserver les qualités du produit.The dispenser of the invention has a very simple structure and ergonomic made up of a limited number of parts. It presents, in in addition, the industrial and economic advantage of being able to be realized by molding (injection or compression) using one and the same plastic material for all the constituent parts, which allows the surplus to preserve the qualities of the product.

La présente invention sera mieux comprise à la lecture de la description qui va suivre accompagnée des dessins sur lesquels.The present invention will be better understood on reading the description which will follow accompanied by the drawings on which.

La figure 1 représente une vue partielle en coupe d'un mode de réalisation du distributeur de l'invention.Figure 1 shows a partial sectional view of a mode of realization of the distributor of the invention.

Les figures 2A et 2B représentent des demi-vues en coupe des clapets respectivement d'admission et d'échappement du distributeur de la figure 1. FIGS. 2A and 2B show half-section views of the distributor inlet and outlet valves respectively Figure 1.

La figure 3 représente une vue en coupe d'une variante de réalisation du distributeur de la figure 1.Figure 3 shows a sectional view of a variant of realization of the dispenser of figure 1.

La figure 4 représente une vue de détail en perspective d'un élément mobile de clapet du distributeur de la figure 1.Figure 4 shows a detailed perspective view of a movable element of the valve of the dispenser of FIG. 1.

Le distributeur de produits liquides représenté sur les figures comprend un réservoir en une ou plusieurs pièces (R - figure 1 ou R1, R2, R3 - figure 3) pourvu, en partie supérieure, d'un orifice d'évacuation V obturé par un clapet d'admission a et débouchant dans une chambre de dosage 10 de volume variable. La chambre de dosage 10 communique, en outre, via un clapet d'échappement e, avec un conduit d'éjection C ménagé à l'intérieur d'une tête de distribution T formant ici bouton-poussoir.The liquid product dispenser shown in the figures comprises a reservoir in one or more parts (R - figure 1 or R 1 , R 2 , R 3 - figure 3) provided, in the upper part, with a closed discharge orifice V by an intake valve a and opening into a metering chamber 10 of variable volume. The metering chamber 10 communicates, moreover, via an exhaust valve e, with an ejection conduit C formed inside a dispensing head T forming here push-button.

La chambre 10 est délimitée par la paroi d'un soufflet 1 qui est au moins partiellement élastiquement déformable.Chamber 10 is delimited by the wall of a bellows 1 which is at least partially elastically deformable.

L'orifice d'évacuation V du réservoir R, R2 est situé à l'extrémité d'une douille cylindrique D recevant le clapet d'admission a et faisant saillie dans la chambre 10.The evacuation orifice V of the reservoir R, R 2 is situated at the end of a cylindrical sleeve D receiving the intake valve a and projecting into the chamber 10.

Le clapet d'échappement e est, quant à lui, logé dans un collet 12 solidaire du soufflet 1, prolongeant la chambre de dosage 10 vers le haut et se raccordant coaxialement au conduit d'éjection C de la tête T.The exhaust valve e is, in turn, housed in a collar 12 integral with the bellows 1, extending the metering chamber 10 towards the high and connecting coaxially to the ejection duct C of the head T.

Le réservoir R, R2 est équipé d'une collerette r dont la paroi latérale assure le guidage de la tête T dans son déplacement axial. Le bord supérieur de la collerette est pourvu d'un jonc périphérique j assurant, par coopération avec une nervure complémentaire n, la retenue de la tête T sur le réservoir et le verrouillage de l'ensemble des composants du distributeur.The reservoir R, R 2 is equipped with a collar r whose side wall guides the head T in its axial displacement. The upper edge of the collar is provided with a peripheral ring j ensuring, by cooperation with a complementary rib n, the retention of the head T on the reservoir and the locking of all the components of the distributor.

Dans le mode de réalisation de la figure 1, la tête T coiffe la collerette r par l'extérieur alors que, dans la variante de la figure 3, c'est la jupe latérale t de la tête T qui est engagée à l'intérieur de la collerette r.In the embodiment of FIG. 1, the head T covers the flange r from the outside while, in the variant of FIG. 3, it is the side skirt t of the head T which is engaged inside the collar r.

Dans cette variante, un capot P est emmanché extérieurement avec un léger serrage radial sur la collerette r.In this variant, a cover P is fitted externally with a slight radial tightening on the collar r.

Le soufflet 1 est fixé à la partie supérieure du réservoir et, plus précisément, dans le mode de réalisation représenté sur la figure 1, à la partie inférieure de la collerette r au moyen de l'embase 13. La pression régnant à l'intérieur de la chambre 10 se traduit par une poussée radiale sur l'embase 13 qui renforce ainsi la tenue mécanique du soufflet 1. The bellows 1 is fixed to the upper part of the tank and, more specifically, in the embodiment shown in Figure 1, at the lower part of the collar r by means of the base 13. The pressure prevailing inside the chamber 10 results in a radial thrust on the base 13 which thus strengthens the mechanical strength of the bellows 1.

Le soufflet 1 est réalisé de préférence avec une matière plastique rigide telle que du polypropylène.The bellows 1 is preferably made with a material rigid plastic such as polypropylene.

Les coudes 11 du soufflet 1 possèdent une capacité de déformation élastique et notamment une flexibilité qui permet au soufflet 1 d'être comprimé par appui axial sur la tête T et de faire ainsi varier le volume de la chambre 10.The elbows 11 of the bellows 1 have a capacity of elastic deformation and in particular a flexibility which allows the bellows 1 to be compressed by axial support on the head T and thus to vary the chamber volume 10.

Le soufflet 1 comporte également un épaulement supérieur 14 sur lequel prennent appui des ailettes de rigidification 1 portées par la tête T.The bellows 1 also has an upper shoulder 14 on which bear stiffening fins 1 carried by the head T.

Comme représenté sur les figures, les éléments mobiles 2a, 2e des clapets d'admission a et d'échappement e sont identiques.As shown in the figures, the mobile elements 2a, 2e intake and exhaust valves e are identical.

Chacun de ces éléments a une structure du type représenté sur la figure 4.Each of these elements has a structure of the type shown in figure 4.

Cette structure possède une capsule tronconique obturante 21 appuyant, au repos, sur les extrémités supérieures respectives de la douille D (figure 2A) et du collet 12 (figure 2B) dont le profil est biseauté. La capsule 21 est prolongée vers le bas par des ergots d'encliquetage 22 coopérant avec des butées 15, b ménagées respectivement sur la paroi supérieure interne du soufflet 1 et sur la partie inférieure de la douille D (voir figures 2A, 2B).This structure has a sealing frustoconical capsule 21 pressing, at rest, on the respective upper ends of the socket D (Figure 2A) and the collar 12 (Figure 2B) whose profile is bevelled. The capsule 21 is extended downwards by snap lugs 22 cooperating with stops 15, b respectively provided on the wall internal upper of bellows 1 and on the lower part of sleeve D (see Figures 2A, 2B).

Les ergots 22 délimitent entre eux des canaux 20 pour le passage du produit liquide.The pins 22 delimit between them channels 20 for the passage of the liquid product.

La hauteur de la douille D est inférieure à la hauteur du collet 12, de telle sorte que l'élément mobile 2e du clapet d'échappement e soit monté sous contraintes, alors que l'élément mobile 2a du clapet d'admission possède une faible liberté de translation d'amplitude x (voir figure 2A).The height of the socket D is less than the height of the collar 12, so that the movable element 2e of the exhaust valve e is mounted under stresses, while the movable element 2a of the valve of admission has a low freedom of translation of amplitude x (see Figure 2A).

La remontée de l'élément 2a par dépression dans la chambre 10 d'une hauteur x par rapport à sa position de repos permet de dégager un espace intercalaire pour l'entrée de produit dans la chambre 10 entre le bord interne biseauté d de la douille D formant siège du clapet et la paroi latérale externe de la capsule 21. Par ailleurs, la capsule 21 est élastiquement déformable de façon à permettre sous l'effet de la pression créée dans la chambre 10, la sortie du produit liquide par le clapet d'échappement e entre la paroi externe 210 de la capsule 21 formant soupape et le bord interne biseauté 120 du collet 12 formant siège du clapet e (voir figure 2B).The rise of element 2a by vacuum in the chamber 10 of a height x relative to its rest position allows to release an intermediate space for product entry into chamber 10 between the beveled internal edge d of the sleeve D forming the valve seat and the outer side wall of the capsule 21. Furthermore, the capsule 21 is elastically deformable so as to allow under the effect of pressure created in chamber 10, the outlet of the liquid product by the valve exhaust e between the outer wall 210 of the capsule 21 forming valve and the beveled internal edge 120 of the collar 12 forming the seat of the valve e (see Figure 2B).

La rigidité du collet 12 est, en outre, renforcée par la présence du conduit d'éjection C qui l'entoure coaxialement.The rigidity of the collar 12 is, in addition, reinforced by the presence ejection duct C which surrounds it coaxially.

Claims (5)

  1. A dispenser of liquid products of the type comprising a reservoir (R1, R2) provided, at the upper part, with an outlet orifice (V) situated at the end of a cylindrical bush (D) sealed by an inlet valve (a) and opening into a metering chamber (10) of variable volume delimited by the wall of an at least partially resiliently deformable bellows (1) communicating via an outlet valve (e) accommodated in a neck (12) extending said chamber (10) with an ejection duct (c) formed in a distribution head (T), the mobile elements (2a, 2e) of the inlet valve (a) and of the outlet valve (e) being identical, characterised in that the height of the bush (D) which receives the inlet valve (a) is lower than the height of the neck (12) which receives the outlet valve (e), in such a way that the mobile element (2e) of the outlet valve (e) is mounted under stress while the mobile element (2a) of the inlet valve (a) exhibits slight translational freedom (X).
  2. A dispenser according to claim 1, characterised in that the mobile elements (2a, 2e) of the valves comprise frustoconical sealing and resiliently deformable caps (21) extended by snap lugs (22) defining between them channels (20) for passage of the product.
  3. A dispenser according to one of the preceding claims, characterised in that said reservoir is equipped with a flange (r), whose lateral wall ensures guidance of the distribution head (T) and its upper edge ensures retention of said head (T).
  4. A dispenser according to claim 1 or claim 2, characterised in that said bellows (1) are fixed to the upper part of the reservoir.
  5. A dispenser according to one of the preceding claims, characterised in that said bellows (1) comprise an upper shoulder (14) on which rest the stiffening wings (1) borne by said head (T).
EP01967449A 2000-09-08 2001-09-07 Liquid product dispenser Expired - Lifetime EP1315579B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR0011470 2000-09-08
FR0011470A FR2813863B1 (en) 2000-09-08 2000-09-08 LIQUID PRODUCT DISTRIBUTOR
PCT/FR2001/002781 WO2002020171A1 (en) 2000-09-08 2001-09-07 Liquid product dispenser

Publications (2)

Publication Number Publication Date
EP1315579A1 EP1315579A1 (en) 2003-06-04
EP1315579B1 true EP1315579B1 (en) 2004-05-19

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP01967449A Expired - Lifetime EP1315579B1 (en) 2000-09-08 2001-09-07 Liquid product dispenser

Country Status (16)

Country Link
US (1) US6805267B2 (en)
EP (1) EP1315579B1 (en)
JP (1) JP2004508175A (en)
CN (1) CN1181929C (en)
AT (1) ATE267055T1 (en)
AU (1) AU2001287828A1 (en)
BR (1) BR0113885B1 (en)
CA (1) CA2422136A1 (en)
DE (1) DE60103411T2 (en)
DK (1) DK1315579T3 (en)
ES (1) ES2223909T3 (en)
FR (1) FR2813863B1 (en)
HK (1) HK1061373A1 (en)
MX (1) MXPA03001980A (en)
PT (1) PT1315579E (en)
WO (1) WO2002020171A1 (en)

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CN103029914A (en) * 2012-10-18 2013-04-10 黄志勇 Device for solving retention of bath foam through variable-angle bottleneck
ITMI20131251A1 (en) * 2013-07-25 2015-01-26 Meadwestvaco Calmar S R L MANUAL-OPERATED PUMP FOR THE DELIVERY OF FLUID SUBSTANCES WITH EASY OPERATION
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KR101540438B1 (en) * 2015-05-12 2015-07-30 (주)민진 ECO Pump type cosmetic containers
FR3068265B1 (en) * 2017-06-28 2022-02-25 Gb Dev FLUID DISPENSER BY PRESSURE ON A DEFORMABLE WALL OF THE CONTAINER
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FR2813863A1 (en) 2002-03-15
EP1315579A1 (en) 2003-06-04
HK1061373A1 (en) 2004-09-17
FR2813863B1 (en) 2003-03-21
PT1315579E (en) 2004-10-29
BR0113885A (en) 2003-07-15
MXPA03001980A (en) 2004-09-10
CN1452516A (en) 2003-10-29
DE60103411D1 (en) 2004-06-24
JP2004508175A (en) 2004-03-18
WO2002020171A1 (en) 2002-03-14
DK1315579T3 (en) 2004-09-27
ATE267055T1 (en) 2004-06-15
ES2223909T3 (en) 2005-03-01
DE60103411T2 (en) 2005-03-17
BR0113885B1 (en) 2010-03-09
US20040094578A1 (en) 2004-05-20
CA2422136A1 (en) 2002-03-14
AU2001287828A1 (en) 2002-03-22
US6805267B2 (en) 2004-10-19
CN1181929C (en) 2004-12-29

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