EP0975433A1 - Flask for dispensing liquid, cream or gel comprising a device for filtering incoming air - Google Patents
Flask for dispensing liquid, cream or gel comprising a device for filtering incoming airInfo
- Publication number
- EP0975433A1 EP0975433A1 EP98922882A EP98922882A EP0975433A1 EP 0975433 A1 EP0975433 A1 EP 0975433A1 EP 98922882 A EP98922882 A EP 98922882A EP 98922882 A EP98922882 A EP 98922882A EP 0975433 A1 EP0975433 A1 EP 0975433A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- pump
- air
- diffusion element
- dispenser according
- cream
- 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.)
- Granted
Links
- 239000007788 liquid Substances 0.000 title claims abstract description 12
- 239000006071 cream Substances 0.000 title claims abstract description 6
- 239000000499 gel Substances 0.000 title claims abstract description 4
- 238000001914 filtration Methods 0.000 title description 3
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 10
- 239000000126 substance Substances 0.000 claims abstract description 8
- 230000000721 bacterilogical effect Effects 0.000 claims abstract description 7
- 230000002093 peripheral effect Effects 0.000 claims abstract description 5
- 239000002537 cosmetic Substances 0.000 claims abstract description 3
- 238000009792 diffusion process Methods 0.000 claims description 21
- 239000000463 material Substances 0.000 claims description 14
- 230000035699 permeability Effects 0.000 claims description 7
- 239000011148 porous material Substances 0.000 claims description 7
- 239000000945 filler Substances 0.000 claims description 5
- 239000012528 membrane Substances 0.000 claims description 5
- 230000000844 anti-bacterial effect Effects 0.000 claims description 4
- 230000002421 anti-septic effect Effects 0.000 claims description 3
- 239000003963 antioxidant agent Substances 0.000 claims description 3
- 230000003078 antioxidant effect Effects 0.000 claims description 3
- 230000000717 retained effect Effects 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 230000001617 migratory effect Effects 0.000 abstract 1
- 239000000047 product Substances 0.000 description 14
- 239000004033 plastic Substances 0.000 description 4
- 229920003023 plastic Polymers 0.000 description 4
- -1 polyethylene Polymers 0.000 description 4
- 241000894006 Bacteria Species 0.000 description 3
- 239000012263 liquid product Substances 0.000 description 3
- 238000004806 packaging method and process Methods 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- 230000001580 bacterial effect Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000003607 modifier Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 229920001296 polysiloxane Polymers 0.000 description 2
- 230000035755 proliferation Effects 0.000 description 2
- 235000019738 Limestone Nutrition 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 239000013043 chemical agent Substances 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 239000003755 preservative agent Substances 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
- B05B11/0037—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
- B05B11/00444—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 with provision for filtering or cleaning the air flow drawn into 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
- B05B11/0008—Sealing or attachment arrangements between sprayer and container
Definitions
- the present invention relates to a distributor of products packaged in liquid form, and more particularly intended for cosmetic, dermatological, pharmaceutical, ophthalmic or perfumery applications. It relates more particularly to a dispenser comprising a bottle or reservoir of product, and a closure member with an end valve and / or a pump with nozzle, the surfaces of which in contact with the active principle have been designed in order to filter and treat the air entering the tank.
- the product is packaged in a flexible, deformable pocket forming a reservoir, connected to a pump without air intake, commonly known as an "airless" pump.
- a pump without air intake commonly known as an "airless” pump.
- the latter is fixed to a rigid bottle, thereby trapping the flexible bag inside the bottle.
- the bag contracts by reducing its capacity by a volume equivalent to the volume withdrawn, and thus inducing a deformation of the reservoir.
- the product is packaged in a cylindrical bottle, the bottom of which is provided with a movable follower piston.
- the piston rises in the bottle, thereby reducing the capacity of the bottle by a volume equivalent to the volume withdrawn.
- an "airless” pump is connected to a glass vial which is therefore undeformable. These "airless” pumps are capable of operating under a pressure of 0.5 bar inside the bottle, while ensuring good regularity of dose.
- the glass bottles therefore contain liquid products with a filling rate of 50% compared to the total volume of the bottle, in order to guarantee at the end of emptying the pressure threshold of 0.5 bar.
- the major drawback of this embodiment lies in the unfavorable ratio between the useful volume and the total volume and therefore in the additional cost generated by the packaging volume.
- the disadvantage of this embodiment resides in the fact that the passage of air takes place through the wall of the bottle, then through the liquid, which has the effect of slowing the diffusion of air and the rate of replacement of the dose withdrawn.
- the present invention aims to solve all of the technical problems associated with the embodiments described above, by proposing a filtration and treatment system for the return air flow, which does away with so-called "airless" preservation systems and offers filtered air, without bacteria and / or with modification of the oxygen level.
- This dispenser which is not limited to liquids and creams, allows a filling rate of between 90 and 99% of the total volume of the tank.
- the dispenser comprises a product reservoir connected by one of its ends to a head provided with a pump equipped with a means of controlled closure of the vent made on the body of said pump and d 'a fixing sleeve characterized in that said sealing means comprises a diffusion element permeable to air and containing non-migrant agents for the bacteriological and / or chemical treatment of air by contact; said element being fitted onto the pump body and retained by sealed peripheral radial tightening of at least one annular zone on the one hand, and by engagement of its upper part in the fixing sleeve, on the other hand.
- the diffusion element is a porous core forming a filter of annular section which is fitted directly onto the pump body and whose pore size is between 5 ⁇ m and 10 ⁇ m.
- the average porosity of the diffusion element is substantially equal to 7 ⁇ m, with a void ratio of between 40 and 60%;
- the diffusion element is an elastically deformable sleeve delimiting around the pump body a flexible pocket of variable volume and the membrane wall of which is made with a material of intrinsic air permeability of between 300 and 5000 mm 3/24 h.
- said material also contains porous fillers.
- the material constituting the diffusion element contains antioxidant, bactericidal, antiseptic treatment agents, atmosphere modifier in independent or combined form.
- the diffusion element used in the dispenser of the invention does not constitute a physical barrier preventing the passage of bacteria as in previous dispensers, but forms either a filter or a membrane offering a large exchange surface for air entering for its bacteriological and / or chemical treatment by contact within the element with non-migrant agents.
- both the dimensions of the filter pores and the selective permeability of the membrane combined with the surface tension properties of the materials used prevent the passage of liquids, which makes the diffusion element hydrophobic and makes it possible to avoid bacterial proliferation in The reservoir.
- Figure 1 is a sectional view, in elevation of a first embodiment of the invention.
- Figure 2 is a sectional view, in elevation, of a second embodiment of the invention.
- the dispenser of the invention comprises a reservoir 1 containing the product 2 in the form of a liquid, cream or gel.
- This reservoir 1 preferably rigid or flexible, comprises at one of its ends a head provided with an end valve or with an air return pump 4 with a cover or nozzle 5.
- the body 41 of the pump 4 is extended downwards by a dip tube 42 immersed in the product 2.
- the head further comprises a fixing sleeve 3 locked on the end of the tank 1 for example, by snap-fastening and in which the upper edge is trapped 41a of the body 41 of the pump 4.
- the body 41 of the pump 4 which is of the atmospheric type, therefore comprises a vent hole 40 which makes it possible to replace the dose withdrawn from liquid product 2, in the reservoir 1, by an equivalent volume of air, thus restoring the pressure equality between the surrounding medium and the interior of the reservoir 1.
- the body 41 of the pump 4 comprises at the vent hole 40 a means of controlled closure.
- This sealing means which is intended to mask the hole 40, comprises a diffusion element 6 permeable to air and containing non-migrant agents for the bacteriological and / or chemical treatment of air, by contact.
- the bacteriological and / or chemical agents are chosen to provide a bactericidal, antiseptic, antioxidant or atmospheric modifier (dehumidifier) treatment by contact. These agents are non-migrant, that is to say that they remain fixed within the polymer network of the material constituting the diffusion element.
- the cylindroconical diffusion element 6 consists of a porous core 61 of annular section forming a filter which is fitted directly onto the body 41 of the pump 4.
- the element 61 has, for a pump body 41 whose height is 21 mm, a height of 2 to 10 mm and preferably 7 mm and a thickness of 2 to 3 mm and preferably 2.3 mm.
- the element 61 is in radial clamping over its entire height on the body 41. Furthermore, the average size of the pores is between 5 and
- the diffusion element 61 offers a large exchange surface between the air and the porous material constituting the filter which contains the treatment agents.
- the path of the air containing the bacteria is therefore relatively long and narrow, which ensures sufficient contact time to make the bacteriological and / or chemical treatment of the air effective.
- the pore dimensions are less than or equal to 10 ⁇ m, which, combined with the use of plastics such as polyethylene and / or polypropylene, prevents the passage of liquids and thus avoids any risk of bacterial proliferation in the tank 1.
- the upper part 61a of the porous core 61 has a profile and a geometry adapted to the upper part of the sleeve 3.
- the fixing sleeve 3 has a cylindrical internal crown 30 which covers the upper end of the reservoir 1 while being in sealed contact with the internal wall.
- the crown 30 is extended upwards by a shoulder 31 delimiting a hooking zone for the upper edge
- the upper part of the core 61 comprises a constriction 61a which is housed in a complementary manner in the space provided under the edge 41a of the body 41 inside the crown 30.
- the diffusion element 6 consists of an elastically deformable cylindroconical sleeve 62, delimiting around the body 41 of the pump 4 a flexible pocket 60 of variable volume.
- the wall of the pouch 60 thus forms a membrane made with an intrinsic permeability material in the air between 300 and 5000 mm 3/24 h.
- the air volume of the bag 60 at rest is between 100 mm 3 and 800 mm 3 for a pump body whose height is 21 mm and thus offers an exchange surface of between 3 and 10 cm 2 .
- the upper part of the sleeve 62 has a cylindrical skirt 62a of greater thickness which is engaged in a sealed manner inside the crown 30 of the sleeve 3.
- the lower part of the sleeve 62 has an annular zone 62b in peripheral radial clamping tight around the body 41 of the pump 4.
- the sleeve 62 is made, for example, with silicone, polypropylene or polyethylene or mixtures of the latter. If the intrinsic air permeability of the material used is insufficient with regard to the values sought, it is possible to incorporate into this material more permeable fillers and, where appropriate, porous fillers.
- the diffusion element 6 in particular when it is in the form of an annular core by a molding operation simultaneous with that of the pump body.
- the diffusion element 6 can be produced with
- thermoplastic polymers such as polyolefins, PVC, silicones and technical polymers, and whose air permeability properties are high, containing porous additives such as fillers of the limestone type and / or all other type to increase the passage of air through the macro-molecular network, the rate of which is between 20 and 80%.
- the three-dimensional network of selected macro-molecules forming the pores of the annular nucleus 61 allows the diffusion of filtered air, but avoids the passage of contaminants and / or denaturing agents for the product contained in the reservoir.
- the tank By the choice of its constituent materials, the tank is rigid and therefore retains its shape and volume after dispensing the product.
- the expulsion of the product generates a vacuum in the tank and therefore a pressure differential between the inside and the outside of the tank.
- This pressure differential ensures the distribution towards the inside of the distributor of a volume of air corresponding to the volume of liquid product discharged with a flow rate which depends on the permeability characteristics and on the dimensions of the distribution element.
- the present invention offers multiple advantages because it makes it possible to reduce the toxicity of the product contained in the reservoir by the absence of antibacterial and / or anti-oxygen preservatives.
- the use of the dispenser according to the invention is therefore carried out in a sterile manner, with compensation for the volume withdrawn, thus making it possible to offer a useful volume of up to 99% and without affecting the efficiency of the pump.
Landscapes
- Medical Preparation Storing Or Oral Administration Devices (AREA)
- Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
- Closures For Containers (AREA)
- Jellies, Jams, And Syrups (AREA)
- Confectionery (AREA)
- Medicinal Preparation (AREA)
- Cosmetics (AREA)
- Distillation Of Fermentation Liquor, Processing Of Alcohols, Vinegar And Beer (AREA)
- Dairy Products (AREA)
- Food-Manufacturing Devices (AREA)
- Coating Apparatus (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9705227A FR2762589B1 (en) | 1997-04-28 | 1997-04-28 | DISTRIBUTION BOTTLE FOR LIQUID, CREAM OR GEL COMPRISING A DEVICE FOR FILTERING THE AIR ENTERING |
FR9705227 | 1997-04-28 | ||
PCT/FR1998/000848 WO1998048943A1 (en) | 1997-04-28 | 1998-04-28 | Flask for dispensing liquid, cream or gel comprising a device for filtering incoming air |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0975433A1 true EP0975433A1 (en) | 2000-02-02 |
EP0975433B1 EP0975433B1 (en) | 2003-06-25 |
Family
ID=9506376
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98922882A Expired - Lifetime EP0975433B1 (en) | 1997-04-28 | 1998-04-28 | Flask for dispensing liquid, cream or gel comprising a device for filtering incoming air |
Country Status (15)
Country | Link |
---|---|
US (1) | US6244472B1 (en) |
EP (1) | EP0975433B1 (en) |
JP (1) | JP2002505639A (en) |
CN (1) | CN1106226C (en) |
AT (1) | ATE243566T1 (en) |
AU (1) | AU7536498A (en) |
BR (1) | BR9815489A (en) |
CA (1) | CA2287266A1 (en) |
DE (1) | DE69815834T2 (en) |
DK (1) | DK0975433T3 (en) |
ES (1) | ES2201494T3 (en) |
FR (1) | FR2762589B1 (en) |
HK (1) | HK1027060A1 (en) |
PT (1) | PT975433E (en) |
WO (1) | WO1998048943A1 (en) |
Families Citing this family (39)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19615422A1 (en) | 1996-04-19 | 1997-11-20 | Boehringer Ingelheim Kg | Two-chamber cartridge for propellant-free MDIs |
US7963955B2 (en) | 1998-02-27 | 2011-06-21 | Boehringer Ingelheim International Gmbh | Container for a medicinal liquid |
US6685691B1 (en) | 1998-02-27 | 2004-02-03 | Boehringer Ingelheim Gmbh | Container for a medicinal liquid |
FR2781767B1 (en) * | 1998-07-31 | 2000-10-13 | Valois Sa | FLUID PRODUCT DISPENSING DEVICE |
FR2781768B1 (en) * | 1998-08-03 | 2000-10-13 | Valois Sa | DEVICE FOR DISPENSING FLUID PRODUCT SUITABLE FOR AVOIDING CONTAMINATION OF THE PRODUCT CONTAINED IN THE CONTAINER |
DE19851404A1 (en) * | 1998-11-07 | 2000-05-11 | Boehringer Ingelheim Int | Pressure compensation device for a double tank |
GB2344857B (en) * | 1998-12-15 | 2001-03-14 | Bespak Plc | Improvements in or relating to dispensing apparatus |
DE19940713A1 (en) * | 1999-02-23 | 2001-03-01 | Boehringer Ingelheim Int | Diffusion resistant cartridge for storing and dosing liquids, especially for producing drug-containing inhalable aerosols, has three-shell structure with collapsible bag, container and rigid housing |
US6382204B1 (en) | 1999-10-14 | 2002-05-07 | Becton Dickinson And Company | Drug delivery system including holder and drug container |
FR2810301B1 (en) * | 2000-06-16 | 2002-09-13 | Rexam Sofab | STATIC AIR RETURN DEVICE FOR LIQUID PRODUCT DISPENSER |
DE20018518U1 (en) * | 2000-10-28 | 2001-02-01 | Boehringer Ingelheim Pharma KG, 55218 Ingelheim | Atomizer for nasal spray |
FR2831874B1 (en) * | 2001-11-07 | 2003-12-19 | Cebal | UNREMOVABLE FIXING OF A DISTRIBUTION DEVICE ON A METALLIC HOUSING |
FR2831876B1 (en) * | 2001-11-07 | 2004-04-23 | Valois Sa | FLUID PRODUCT DISPENSING PUMP |
FR2832329B1 (en) * | 2001-11-20 | 2004-11-19 | Valois Sa | SIDE OPERATION SPRAYING DEVICE |
FR2854139B1 (en) | 2003-04-28 | 2006-02-17 | Cebal Sas | UNMOUNTABLE FIXATION OF A DISTRIBUTION DEVICE ON A SMALL METAL HOUSING |
DE102004050679A1 (en) * | 2004-10-13 | 2006-04-20 | Ing. Erich Pfeiffer Gmbh | metering |
DE102005029746B4 (en) * | 2005-06-24 | 2017-10-26 | Boehringer Ingelheim International Gmbh | atomizer |
FR2890382A3 (en) * | 2005-09-05 | 2007-03-09 | Raymond Castanet | METHOD AND DEVICE FOR PRESERVING A PRODUCT CONTAINED IN A CONTAINER PROVIDED WITH A PUMP |
US8261947B2 (en) * | 2009-05-19 | 2012-09-11 | Eaton Corporation | Portable fuel container emissions control |
US20120310174A1 (en) * | 2010-02-26 | 2012-12-06 | Byung Eun Yoo | Portable enema device |
US9186690B2 (en) * | 2011-02-01 | 2015-11-17 | Bausch & Lomb Incorporated | Ergonomic hand-operable fluid-dispensing device |
FR2974742B1 (en) | 2011-05-04 | 2013-05-03 | Rexam Healthcare La Verpillier | LIQUID DISPENSING DEVICE WITH AIR CHANNEL CHANNEL |
US8550131B1 (en) | 2013-01-02 | 2013-10-08 | Liquid Squeeze, LLC | Liquid dispensing device, system and method |
FR3009208B1 (en) * | 2013-07-31 | 2018-04-27 | Aptar France Sas | HEAD OF DISTRIBUTION AND APPLICATION |
WO2015038692A1 (en) * | 2013-09-13 | 2015-03-19 | Gojo Industries, Inc. | Dispensers for non-collapsing containers and venting pumps |
FR3013614B1 (en) * | 2013-11-26 | 2018-03-23 | Nemera La Verpilliere | PUMP WITH AIR RETURN |
US9648992B2 (en) | 2013-12-19 | 2017-05-16 | Gojo Industries, Inc. | Pumps with vents to vent inverted containers and refill units having non-collapsing containers |
FR3015443B1 (en) * | 2013-12-23 | 2016-07-01 | Lablabo | DEVICE FOR PACKAGING AND DISPENSING FLUID, LIQUID OR PASTY PRODUCTS |
KR20150096607A (en) | 2014-02-14 | 2015-08-25 | 주식회사 엘지생활건강 | Cosmetic vessel |
CA2940525C (en) | 2014-02-24 | 2023-01-31 | Gojo Industries, Inc. | Vented non-collapsing containers, refillable refill containers, dispensers and refill units |
US9596963B2 (en) | 2014-07-30 | 2017-03-21 | Gojo Industries, Inc. | Vented refill units and dispensers having vented refill units |
DE102014221393A1 (en) | 2014-10-21 | 2016-04-21 | F. Holzer Gmbh | Pump head for a metering device, metering device and possible uses |
EP3220852A1 (en) | 2014-11-20 | 2017-09-27 | Boehringer Ingelheim Vetmedica GmbH | Container for an inhaler |
WO2017213298A1 (en) | 2016-06-10 | 2017-12-14 | Lg Household & Health Care Ltd. | Cosmetic vessel |
DE102016113673A1 (en) * | 2016-07-25 | 2018-01-25 | Friedrich Fischer | Dosierspendersystem |
CN106423632B (en) * | 2016-10-19 | 2022-04-15 | 深圳贵之族生科技有限公司 | Atomizing spraying device |
DE102018100338A1 (en) * | 2018-01-09 | 2019-07-11 | Aero Pump Gmbh | Discharge device for discharging liquid media |
WO2019182745A1 (en) | 2018-03-19 | 2019-09-26 | Bryn Pharma, LLC | Epinephrine spray formulations |
FR3102940A1 (en) * | 2019-11-08 | 2021-05-14 | Nemera La Verpilliere | Device for dispensing a product, comprising a pump |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4093124A (en) * | 1976-07-26 | 1978-06-06 | L'oreal | Atomizer with air inlet valve |
US4533068A (en) * | 1981-08-17 | 1985-08-06 | Health Care Concepts, Inc. | Sterile solution delivery and venting devices |
DE3503354A1 (en) * | 1985-02-01 | 1986-08-07 | Ing. Erich Pfeiffer GmbH & Co KG, 7760 Radolfzell | ACTIVE DISPENSER |
US4917271A (en) * | 1988-10-07 | 1990-04-17 | Ryder International Corporation | Liquid dispensing nozzle assembly with filter |
FR2669379A1 (en) * | 1990-11-21 | 1992-05-22 | Promotion Rech Innovation Tec | DOSING PUMP FOR LIQUID PRODUCTS. |
US6053368A (en) * | 1995-11-17 | 2000-04-25 | Ursatec Verpackung-Gmbh | Anti-contamination dispensing apparatus for fluids |
-
1997
- 1997-04-28 FR FR9705227A patent/FR2762589B1/en not_active Expired - Fee Related
-
1998
- 1998-04-28 DK DK98922882T patent/DK0975433T3/en active
- 1998-04-28 CN CN98804626A patent/CN1106226C/en not_active Expired - Fee Related
- 1998-04-28 ES ES98922882T patent/ES2201494T3/en not_active Expired - Lifetime
- 1998-04-28 BR BR9815489-3A patent/BR9815489A/en not_active IP Right Cessation
- 1998-04-28 CA CA002287266A patent/CA2287266A1/en not_active Abandoned
- 1998-04-28 EP EP98922882A patent/EP0975433B1/en not_active Expired - Lifetime
- 1998-04-28 DE DE69815834T patent/DE69815834T2/en not_active Expired - Lifetime
- 1998-04-28 AT AT98922882T patent/ATE243566T1/en not_active IP Right Cessation
- 1998-04-28 JP JP54667198A patent/JP2002505639A/en not_active Ceased
- 1998-04-28 US US09/403,745 patent/US6244472B1/en not_active Expired - Lifetime
- 1998-04-28 WO PCT/FR1998/000848 patent/WO1998048943A1/en active IP Right Grant
- 1998-04-28 AU AU75364/98A patent/AU7536498A/en not_active Abandoned
- 1998-04-28 PT PT98922882T patent/PT975433E/en unknown
-
2000
- 2000-09-27 HK HK00106130A patent/HK1027060A1/en not_active IP Right Cessation
Non-Patent Citations (1)
Title |
---|
See references of WO9848943A1 * |
Also Published As
Publication number | Publication date |
---|---|
BR9815489A (en) | 2002-05-28 |
CN1106226C (en) | 2003-04-23 |
ATE243566T1 (en) | 2003-07-15 |
HK1027060A1 (en) | 2001-01-05 |
FR2762589B1 (en) | 1999-07-16 |
ES2201494T3 (en) | 2004-03-16 |
PT975433E (en) | 2003-10-31 |
DK0975433T3 (en) | 2003-09-29 |
DE69815834D1 (en) | 2003-07-31 |
EP0975433B1 (en) | 2003-06-25 |
US6244472B1 (en) | 2001-06-12 |
WO1998048943A1 (en) | 1998-11-05 |
JP2002505639A (en) | 2002-02-19 |
CA2287266A1 (en) | 1998-11-05 |
FR2762589A1 (en) | 1998-10-30 |
CN1254302A (en) | 2000-05-24 |
AU7536498A (en) | 1998-11-24 |
DE69815834T2 (en) | 2004-05-06 |
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