EP0702602B1 - Dispensateur de produits fluides - Google Patents

Dispensateur de produits fluides Download PDF

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Publication number
EP0702602B1
EP0702602B1 EP95916717A EP95916717A EP0702602B1 EP 0702602 B1 EP0702602 B1 EP 0702602B1 EP 95916717 A EP95916717 A EP 95916717A EP 95916717 A EP95916717 A EP 95916717A EP 0702602 B1 EP0702602 B1 EP 0702602B1
Authority
EP
European Patent Office
Prior art keywords
pump
bag
bush
belt
vent
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
EP95916717A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0702602A1 (fr
Inventor
Alain Behar
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.)
S O F A B
Albea Le Treport SAS
Original Assignee
S O F A B
Sofab SA
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 S O F A B, Sofab SA filed Critical S O F A B
Publication of EP0702602A1 publication Critical patent/EP0702602A1/fr
Application granted granted Critical
Publication of EP0702602B1 publication Critical patent/EP0702602B1/fr
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
    • B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
    • B05B15/30—Dip tubes
    • 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
    • B05B11/1043—Sealing or attachment arrangements between pump and container
    • B05B11/1046—Sealing or attachment arrangements between pump and container the pump chamber being arranged substantially coaxially to the neck of the container
    • B05B11/1047—Sealing or attachment arrangements between pump and container the pump chamber being arranged substantially coaxially to the neck of the container the pump being preassembled as an independent unit before being mounted on the container
    • 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
    • B05B11/0037—Containers
    • B05B11/0039—Containers associated with means for compensating the pressure difference between the ambient pressure and the pressure inside the container, e.g. pressure relief means
    • B05B11/0044—Containers associated with means for compensating the pressure difference between the ambient pressure and the pressure inside the container, e.g. pressure relief means compensating underpressure by ingress of atmospheric air into the container, i.e. with venting means
    • 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
    • B05B11/02—Membranes or pistons acting on the contents inside the container, e.g. follower pistons
    • B05B11/026—Membranes separating the content remaining in the container from the atmospheric air to compensate underpressure inside the container
    • 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
    • B05B11/1001—Piston pumps
    • B05B11/1023—Piston pumps having an outlet valve opened by deformation or displacement of the piston relative to its actuating stem
    • B05B11/1025—Piston pumps having an outlet valve opened by deformation or displacement of the piston relative to its actuating stem a spring urging the outlet valve in its closed position
    • 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
    • B05B11/1038—Pressure accumulation pumps, i.e. pumps comprising a pressure accumulation chamber
    • B05B11/104—Pressure accumulation pumps, i.e. pumps comprising a pressure accumulation chamber the outlet valve being opened by pressure after a defined accumulation stroke
    • 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
    • B05B11/0097—Means for filling or refilling the sprayer
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49229—Prime mover or fluid pump making
    • Y10T29/49236—Fluid pump or compressor making
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49826—Assembling or joining

Definitions

  • the present invention relates to the packaging of products both liquids that are more or less pasty or creamy inside a dispenser having a rigid envelope provided with a dispenser allowing to expel its content dose after dose.
  • the envelope serving as a container, is commonly closed by the distributor; this includes a mechanism enclosed in a tubular body with lower grip and action controlled, against a spring return, on a hollow rod projecting upwards which also serves as an ejection duct or sprinkler. It can be a valve, the product being then expelled as and when of the use by pressure of a gas initially introduced. It can also be a axial piston pump driven by the nozzle, intended to extract the desired dose of produced by the depression that the rise of its piston creates in its room internally before its descent drives this dose outward. To rebalance the pressure inside the container the pump then has a concealed vent at the rest by the piston but allowing limited air intake during each use.
  • the product is often contained not directly in the rigid envelope but in a flexible pocket sheltered at inside and having a mouthpiece connected to the distributor, the casing forming only case.
  • This provision aims in particular to protect the quality of this product during long term storage; in particular, when the dispenser is a pump, it keeps the product away from air like avoiding the evaporation of volatile constituents.
  • distributor and flexible pocket are connected by a sleeve forming a ring which has a cylindrical skirt attached to a high belt; the mouth of the pocket is fixed sealingly on the skirt, this part at least of the tubular body of the distributor penetrating the belt in order to adapt in turn in a leaktight manner.
  • the socket advantageously has a centering and support attached to the belt: after inserting the pocket into the case, this flange allows it to rest on the mouth of the latter to inject the product. Then come the distributor, a pump in this case.
  • the fixing of this distributor on the sleeve and that of the assembly on the mouth of the case can resort to all kinds of organs using connection means various such as a face, a double tight fitting, etc.
  • the distributor is then without vent; but, so as to let the pocket retract as and when extraction of the product by this pump without creating a vacuum in space left free between it and the case, under the socket, this space is vented by a channel, orifice or balancing channel, open on the case or under the socket (FR-A- 26 85 285).
  • the invention relates to an improvement of these dispensers to flexible pocket fitted with a dosing pump. It is based on the reflection that the product conservation can still be improved because the presence of a permanent communication between the intermediate space and the atmosphere remains a of the causes of its aging, since the waterproofing of the bag is not not absolute.
  • the waterproof adaptation belt of the socket on the lower part of the body is in the form of a collar reducer and the lower part of the body fits tightly by simple friction tightening on the internal cylindrical seat of the belt.
  • the counter flange is an integral part of the closing collar of the pump body while the support flange has a cylindrical inner face bearing ribs centering the pump in the initial installation position.
  • the pump outlet is located directly at its end. lower, while the socket forms below an inlet grid having, in addition to the lateral sampling holes, a central hole which supports a tube or drain.
  • connection ring of the socket carries a tight safety valve from the inside to the outside and constituted by tight fitting of two elementary parts.
  • the rim of the internal part constitutes the beveled seat of the valve, its valve being made up of a disc connected on the periphery of its tapered to the outer part by an elastically perforated crown deformable and provided with a pusher leaving channels in contact with the pump for the passage of the product.
  • the peripheral zone surrounding the pump and the bag, communication with the vent is filled with an inert gas.
  • Another object of the invention is a method of packaging dispenser of the type mentioned above, characterized in that only after setting place the socket and fill the pocket, we put a pump at the inlet of this sleeve, we place the whole under vacuum to purge the pocket, we push the friction pump in the waterproof adapter belt of the sleeve, we do penetrate a gas in the peripheral zone surrounding the pump and the bag, we seal finally the pump on the case.
  • the pump is of a model with vent and it is under this vent that the socket connects to it in a leaktight manner; above the vent at on the contrary, a counter-flange tightly links the casing of the pump to the case, creating above the socket, around the pump body and in relation to the vent, a second intermediate space; a free passage makes the two communicate intermediate spaces, between the two antero-internal and postero-external faces of this socket, recreating this unique peripheral zone.
  • This area is not so vented only temporarily during each use, by the vent of the pump, which is enough, through the upper space, to balance the space lower middle, surrounding the pocket, while reducing exchanges to nothing gaseous that the existence of it could let subsist between the atmosphere and the product.
  • an inert gas such as nitrogen
  • the dispenser shown in the figures comprises a bottle 1 , the mouth of which, assumed here to be circular, receives a socket 2 (FIG. 1a, right part and FIG. 1b) essentially composed of two concentric rings.
  • the first constitutes a tight connection ring; it is a ferrule forming in the upper part a belt 2a which extends downwards into a skirt 2b ; the latter supports the flexible bag 3 intended to contain the product P and the mouth of which, threaded over it, is fixed in a sealed manner on its external face.
  • the second here comprises a cylindrical ferrule 2c , wider than the skirt 2b , attached in the lower part to the upper edge of the belt 2a by a projection 2d , and provided in the upper part with a collar 2e ; centering and thus resting on the mouth of the bottle 1 , it serves as a support flange.
  • the sleeve 2 is crossed here by three gills 2f conventionally obtained by penetration of the injection molds.
  • the socket 2 receives a distributor pump 4 , of known type, shown in full section on view 1a (left part), only partial on view 1b.
  • the tubular body 5 of this pump formed of two successive shrouds of decreasing diameters, carries a ball inlet valve 5a and its lower orifice 5b is connected to an intake tube 5c .
  • a collar 7 crimped onto its bead 5d retains the piston 6 therein, the hollow rod 6a passing through the collar to form a nozzle.
  • the piston 6 carries a sliding sleeve 6b which serves both as a seal and as an exhaust valve valve and which is recalled by a spring. At rest, the piston 6 , which a spring 6c returns upwards, also makes a seal on the flange 7 by means of an annular seal 8 . But a vent hole 5e passes through the wall of the body 5 in the upper part, above the sleeve 6b .
  • the lower ferrule of the pump body adapts tightly, preferably by simple tightening on the internal cylindrical seat of the belt 2a , thus isolating it from the outside the product P contained in the bag 3 .
  • the tight fixing of the latter on the skirt 2b is therefore advantageously by gluing or along a double weld line 3a placed outside the belt area of the lower shell of the pump body to avoid deforming the plastic parts. in this area.
  • the flange opens out into a counter-flange 7a which will be crimped onto the ring 1a of the bottle 1 , thus enclosing the collar 2e of the sleeve, which therefore serves as a tight seal.
  • the profiles of the pump body and of the socket correspond, the well formed by the ferrule 2c allowing to remain, if necessary thanks to a groove 5f made on a thickening of the external face of the upper ferrule of the pump body up to 1 'vent 5e , an intermediate space 1b between the two parts, above the sleeve 2 but under the flange 7 .
  • the intermediate space 1c left between it and the pocket 3 is normally closed, but it is put in temporary communication with the atmosphere by the channel of the gills 2f , of the space 1b and of the vent 5e each time that a pressure on its rod 6a takes off the piston 6 from the seal 8 ; this allows the pressure to be balanced during each action on the pump without creating real air renewal.
  • the sleeve 2 carrying the coiled pocket 3 is placed on the bottle 1 ; a filling nozzle is introduced there and is fitted onto the belt 2a , injects the product, causing the bag to inflate, then withdraws; the pump 4 is then placed as view 1a shows in phantom.
  • the assembly can then be purged inside a vacuum chamber, the peripheral zone or the pocket still communicating directly with this chamber by the gills 2f or the interior of the skirt 2b then by the space 1b according to the double arrow V ; to facilitate this operation ribs centering the pump halfway can be provided, preferably, as shown in the figure, in 2g on the internal face of the shell 2c , alternating with the openings 2f .
  • the pump is then pressed in sealed friction into the belt 2a , closing the pocket, while the peripheral zone will be put into the air or under a nitrogen atmosphere, the pressure in the space 1c sufficient to slightly retract the pocket by chasing product into the pump but not by lifting the sleeve 6b . Sealing the dispenser, finally intervenes, on the fully depressed pump as shown in view 1b the tight fixing of the collar on the ring 1a .
  • the product is therefore entirely sheltered from air, peripheral zone normally closed in addition by the gasket 8 .
  • Figure 2 shows a modification adapting the lower intake of the pump to the sampling of pasty products.
  • This socket is directly formed by the orifice 5b at the end of the body, taking the product in the upper part of the bag 3 ; but below, at the end of the skirt 2b which carries the latter, the sleeve 2 forms an inlet grid 2h having, in addition to its lateral withdrawal orifices, a central orifice which supports a tube 2i reaching the bottom of the pocket. Forming a drain, this tube is enough to prevent the flattening of the bag as it is used ultimately trapping part of the content.
  • the mouth of the pocket 3 has an increased diameter; the offset between the skirt 2b and the ferrule 2c is less, practically reduced to the thickness occupied at the start by the folded wall of the pocket.
  • the belt 2a is in the form of an internal reducing collar.
  • the collar 2e does not rest on the edge of the case 1 but on an interior shoulder at the neck.
  • the collar 7 of synthetic material is snapped on by simple pressure on the bead 5d of the pump body; in addition it seals directly on the case by a lip 7b and it is also it which forms the counter-flange 7a , then snapped onto a ring 1a of this case, annular or not, forming notching; the collar 2e therefore no longer plays any role in the sealing of the external envelope.
  • This construction makes it possible to manufacture all of the parts by injection and to assemble them by socket.
  • the counter-flange could, in particular to give a different appearance, be formed of an independent cap enclosing both the collar and the case.
  • the communication between the two spaces 1b and 1c of the peripheral zone is formed by a lateral drilling; it could as well be, for example, a groove crossing the 2nd collar.
  • FIG. 4 illustrates another embodiment, in which, under the pump 4 , the connection ring of the sleeve 2 carries a safety valve 11 sealed from the inside to the outside, constituted by tight fitting of two elementary parts 12 and 13 . The other rooms have still kept their bearings.
  • the internal part 12 here forms the sealing belt 12a adaptable to the lower part of the pump body, under which its lower rim 12b constitutes the bevelled lower seat 11a of the valve 11 . It fits itself tightly on the external part 13 , along a wall 13a extended by the skirt 13b , the external face of which carries the flexible bag 3 and the internal face of the valve 11b capable of cooperating with the seat 11a .
  • This lower ring of the part 13 is connected to the ferrule 13c of a centering and support flange by a shoulder 13d and this flange rests by its collar 13e on the edge of a bottle 1 .
  • the belt 12a of the part 12 is itself connected to the ferrule 12c with a similar flange by a shoulder 12d ; the latter fits into the previous one, in turn resting on it by its 12th collar.
  • the sleeve is therefore split, its two walls, generally contiguous, separating at the height of their shoulders 12d , 13d but being tightly linked at the height of the belt 12a . It has an interior profile and dimensions adapted to center and support the pump 4 .
  • vents 12f and 13f create a communication between the vent 5e of the latter and the space 1c surrounding the pocket 3 .
  • the valve 11b consists of a pellet substantially perpendicular to the vertical axis of the pump 4 , which is connected on the periphery of its conical bearing 11c to the skirt 13b by a perforated crown 11d elastically deformable. To have greater flexibility, this crown has a substantially V-shaped cross section.
  • valve 11b is provided with a pusher 11e leaving in contact with the pump channels for the passage of the product and here consisting of three studs, the top of which is intended, when the pump 4 is put in place, to come into contact with the edge of its lower tap orifice 5b without closing the latter.
  • FIG. 4 shows the valve 11 in the closed position, in the absence of the pump, while the right part shows the valve 11 in the open position, valve removed from its seat by the sealing position. of said pump.
  • the collar 7 is only used to close the pump, the counter-flange 7a being formed of a separate piece fitted in clamping on it before being crimped on the bottle 1 ; the vent shown is itself made up of a groove made up to the joint 8 on the bearing surface of the bead 5d .
  • a product injection cannula P dotted line
  • the installation of the pump can thus without delay be postponed. It causes the support of its lower end against the merlons 11e then the reopening of the valve 11 by depressing its pellet 11b . This opens a passage to the product along the path indicated by the arrow P while the air entering through the 5th vent of the pump can balance the pressure during operation, according to arrow A, passing through the vents 12f , 13f .

Landscapes

  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Packages (AREA)
  • Formation And Processing Of Food Products (AREA)
  • Reciprocating Pumps (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Closures For Containers (AREA)
EP95916717A 1994-04-08 1995-04-06 Dispensateur de produits fluides Expired - Lifetime EP0702602B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
FR9404181 1994-04-08
FR9404181A FR2718372B1 (fr) 1994-04-08 1994-04-08 Dispensateur de produits fluides.
US08/564,189 US5769274A (en) 1994-04-08 1995-04-06 Pump dispenser for a container with a flexible bag
PCT/FR1995/000440 WO1995027569A1 (fr) 1994-04-08 1995-04-06 Dispensateur de produits fluides

Publications (2)

Publication Number Publication Date
EP0702602A1 EP0702602A1 (fr) 1996-03-27
EP0702602B1 true EP0702602B1 (fr) 1999-06-30

Family

ID=26231076

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95916717A Expired - Lifetime EP0702602B1 (fr) 1994-04-08 1995-04-06 Dispensateur de produits fluides

Country Status (11)

Country Link
US (2) US5769274A (da)
EP (1) EP0702602B1 (da)
JP (1) JP3701674B2 (da)
AT (1) ATE181682T1 (da)
AU (1) AU2310695A (da)
CA (1) CA2164598C (da)
DE (1) DE69510511T2 (da)
DK (1) DK0702602T3 (da)
ES (1) ES2135060T3 (da)
FR (1) FR2718372B1 (da)
WO (1) WO1995027569A1 (da)

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US8468635B2 (en) * 2009-11-25 2013-06-25 Church & Dwight Co., Inc. Surface treating device
FR2966808B1 (fr) * 2010-11-02 2012-11-16 Rexam Dispensing Sys Systeme et flacon de distribution d'un produit fluide
FR3000943B1 (fr) * 2013-01-11 2015-02-13 Aptar France Sas Distributeur de produit fluide.
JP6581506B2 (ja) * 2013-11-29 2019-09-25 株式会社ダイゾー 内容物収容容器、それを用いた内容物収容製品、吐出製品および吐出装置
US11292706B2 (en) * 2014-12-30 2022-04-05 Edward Showalter Apparatus, systems and methods for preparing and dispensing foods
US10647563B2 (en) * 2014-12-30 2020-05-12 Edward Showalter Apparatus, systems and methods for dispensing drinks
FR3032436B1 (fr) * 2015-02-10 2019-08-30 Louis Vuitton Malletier Dispositif de conditionnement pour un produit a distribuer
US10252836B2 (en) 2015-10-08 2019-04-09 Stephen Frank Charles Geldard Applicator apparatus, mouth fill devices, collapsible containers and methods
EP3672463B1 (en) * 2017-12-29 2022-09-07 Colgate-Palmolive Company Dispenser system
FR3104949B1 (fr) 2019-12-20 2022-07-08 Oreal Dispositif de pulverisation d’une composition biphase comprenant une phase aqueuse comprenant un ou des polyols et une phase huileuse comprenant des huiles non siliconees
CN212501863U (zh) * 2020-06-05 2021-02-09 宁波市舜德医疗科技有限公司 一种全塑料液体分配器
IT202200006758A1 (it) 2022-04-06 2023-10-06 Lumson Spa Dispositivo di erogazione di una sostanza fluida
WO2023223580A1 (ja) * 2022-05-17 2023-11-23 株式会社三谷バルブ ポンプ、および、噴出容器
FR3137574A1 (fr) 2022-07-11 2024-01-12 L'oreal Procédé de coloration des cheveux comprenant l’application d’une composition A comprenant deux alcoxysilanes, et l’application d’une composition B comprenant un polymère filmogène

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JP3701674B2 (ja) 2005-10-05
WO1995027569A1 (fr) 1995-10-19
US5769274A (en) 1998-06-23
FR2718372B1 (fr) 1996-06-28
FR2718372A1 (fr) 1995-10-13
JPH09501352A (ja) 1997-02-10
DE69510511T2 (de) 2000-03-16
DE69510511D1 (de) 1999-08-05
US5926953A (en) 1999-07-27
DK0702602T3 (da) 2000-01-31
CA2164598C (en) 2007-01-23
ATE181682T1 (de) 1999-07-15
ES2135060T3 (es) 1999-10-16
CA2164598A1 (en) 1995-10-19
EP0702602A1 (fr) 1996-03-27
AU2310695A (en) 1995-10-30

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