EP0681548A1 - Wiederfüllbarer aerosolbehälter mit luft als treibmittel - Google Patents
Wiederfüllbarer aerosolbehälter mit luft als treibmittelInfo
- Publication number
- EP0681548A1 EP0681548A1 EP95901312A EP95901312A EP0681548A1 EP 0681548 A1 EP0681548 A1 EP 0681548A1 EP 95901312 A EP95901312 A EP 95901312A EP 95901312 A EP95901312 A EP 95901312A EP 0681548 A1 EP0681548 A1 EP 0681548A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- product
- aerosol
- outlet chamber
- valve
- mixing device
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D83/00—Containers or packages with special means for dispensing contents
- B65D83/14—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant
- B65D83/60—Contents and propellant separated
- B65D83/62—Contents and propellant separated by membrane, bag, or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D83/00—Containers or packages with special means for dispensing contents
- B65D83/14—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant
- B65D83/34—Cleaning or preventing clogging of the discharge passage
Definitions
- the present invention relates to a rechargeable aerosol can with air propulsion comprising:
- valve object of the invention comprises a movable rod arranged to be able to take three different positions. In the first position, the valve is closed. In the second position, only the propellant gas can exit the valve, thus removing product residue. In the third position, the valve is open and the propellant gas drives the product to be sprayed. When the valve is closed, that is to say when it returns to the first position, it automatically passes through the second position, which allows the evacuation of product residues.
- aerosol cans containing such products have an opening located near the spray nozzle. When the nozzle is pressed, the opening becomes free and allows the gas-product mixture to be ejected.
- This type of aerosol can has various drawbacks.
- the nozzle When it is desired to use the can in a position other than that where the spray nozzle is placed at the highest point, such as in a horizontal, inclined or inverted position, the nozzle being arranged at the bottom, the product to be sprayed opening and gas mixture- product is no longer done or hurts. In particular, it may happen that the product is discharged in the form of a jet. However, it frequently happens that it is not possible to spray a product by holding the aerosol can vertically, the nozzle arranged at the top. In such cases, the use of such boxes is impossible.
- the present invention proposes to overcome these drawbacks of the prior art by producing a rechargeable aerosol can, the propellant of which is air, which can be used in any position, the nozzle of which does not does not become clogged after drying a residual volume of product and which makes it possible to obtain a mixture such that any product is sprayed homogeneously.
- an aerosol can as defined in the preamble and characterized in that it comprises a mixing device arranged to communicate said lateral passage bringing the propellant gas with said conduit bringing the product to be sprayed, these two organs opening into at least one inlet of said mixing device.
- the mixing device is arranged in the valve, inside the product outlet chamber.
- This mixing device advantageously comprises a central annular channel connected to said product discharge duct, a peripheral annular channel substantially concentric with said central annular channel and connected to said lateral passage of pressurized air and at least one groove connecting these two annular channels.
- the mixing device has three grooves and the angle formed between the walls of each of these grooves and the tangent to the peripheral annular channel at the place where said grooves open into this channel is preferably an obtuse angle.
- the grooves are curved and open substantially tangentially into said annular channels.
- Said lateral passage of pressurized air preferably opens into said peripheral annular channel at an angle between 5 ° and 85 ° with a radial direction.
- said lateral passage opens out substantially tangentially in said peripheral annular channel.
- Said lateral passage of the pressurized air is advantageously defined by the lateral opening of the product outlet chamber, the peripheral annular channel of the mixing device, the clearance between the pusher and said product outlet chamber, the radial opening of said pusher and the outlet cannula.
- Said product discharge duct is advantageously defined by the narrowing of the product outlet chamber, the central annular channel, the grooves and the peripheral annular channel of the mixing device, the space between the product outlet chamber and the rod , the clearance between said outlet chamber and the pusher, the radial opening of said pusher and the outlet cannula.
- said narrowing of the outlet chamber comprises a lower area of greater cross section than that of the shutter.
- said narrowing has a frustoconical section.
- FIG. 1 is a schematic view in axial section of an aerosol can according to the invention
- FIGS. 2a to 2c are views in axial section of a first embodiment of the valve fitted to the aerosol can according to FIG. 1, in three successive positions of use,
- FIG. 3 is a schematic view in axial section of a second embodiment of the valve fitted to the aerosol can according to FIG. 1,
- FIGS. 4 to 6 are views similar to those of FIGS. 2a to 2c, illustrating a third embodiment of a valve fitted to the aerosol can of FIG. 1,
- FIG. 7 is a cross-sectional view of the hollow fixed element of the valve of FIGS. 4 to 6,
- FIG. 8 is a sectional view along line A-A of the mixing device arranged in the element illustrated in FIG. 7, and
- FIG. 9 is a sectional view along line B-B of the mixer device of FIG. 8.
- the aerosol can 10 comprises a rigid casing 11 closed by a crimped cover 12, a valve 13 mounted in leaktight manner on the cover 12, a flexible bag 1 containing a product to be sprayed and a check valve -return 15 for introducing a pressurized gas into the aerosol can, in the space provided between the inner walls of this can and the flexible bag 14-.
- the upper end of the housing 11 has an annular outer rim 16.
- the cover 12 is provided with an outer annular groove 17 " arranged to receive a seal 18 and be crimped on the rim 16 so that the cover ensures a closure of the box which is waterproof and sufficiently resistant to hold the pressure inside the box.
- the flexible pocket 14 is linked to a rigid end piece 21 comprising a narrowed zone 22 making it possible to fix the pocket to the valve 13.
- the valve 13 comprises a discharge pipe 19 for the product contained in the flexible bag 14, as well as a lateral passage 20 for the pressurized air stored between the walls of the aerosol can 10 and the flexible bag 14. It also comprises a hollow fixed element 23 defining an outlet chamber
- This product outlet chamber contains a mixing device 100 illustrated in more detail by FIGS. 8 and 9.
- a movable element 27 formed a substantially cylindrical pusher 28 and having a central recess 29 forming an outlet cannula 30 allows the evacuation of the air-product mixture.
- This pusher 28 is provided with a radial opening 31 formed in its side wall.
- the movable element 27 further comprises a shutter 32 arranged to slide without play in the narrowing 26 of the outlet chamber 24.
- the shutter 32 and the pusher 28 are connected by a rod 33.
- a thrust spring 34 is placed around of the rod 33 and bears on one side on the narrowing 26 of the outlet chamber of the fixed element 23 and on the other side, on the pusher 28 of the movable element 27.
- the fixed element 23 comprises a closure plug 35 arranged to block the radial opening 31 of the pusher when the latter is in its rest position.
- the lateral passage 20 of the pressurized air is successively defined by the lateral opening 25 of the outlet chamber 24, the mixing device 100, the clearance between the interior wall of the outlet chamber 24 and the pusher 28, the opening 31 of the movable element 27 and the outlet cannula 30.
- the discharge duct 19 for the product is itself successively defined by the space between the rod 33 and the narrowing 26 which is created when the the pusher 28, the mixing device 100, the clearance between the inner wall of the outlet chamber 24 and the pusher 28, the opening 31 of the movable element 27 and the outlet cannula 30.
- the valve 13 is designed to be able to occupy three positions.
- a first position called the closed position, illustrated by FIG. 2a
- the shutter 32 is engaged in the narrowing 26 and the plug 35 closes the opening 31 of the pusher 28.
- the lateral passage 20 and the discharge duct 19 are closed .
- a second position called the purge position, illustrated in FIG. 2b
- the shutter 32 is engaged in the lower constriction 26 in a lower position than previously, and the opening 31 of the pusher 28 is free.
- the air passage 20 is then opened while the product discharge duct 19 is closed.
- a third position called the use position, illustrated in FIG. 2c
- the shutter 32 is released from the narrowing 26 and the opening 31 of the pusher 28 is free.
- the lateral air passage 20 and the product discharge duct 19 are then open.
- the valve 13 Due to the shape of the fixed element 23, which has an upper annular groove 36, and of the cover 12 which has a central profile 37 arranged to receive the annular groove 36 of the fixed element 23, the valve 13 is mounted tightly on the cover 12.
- connection means 38 comprising an enlarged zone 39.
- connection means 38 are arranged to cooperate with the rigid end piece 21 linked to the flexible pocket 14.
- the enlarged zone 39 of the element fixed 23 engages in the narrowed zone 22 of the rigid end piece 21, so as to maintain the flexible pocket 14 on the valve 13.
- FIG. 3 represents a first alternative embodiment of the valve 13 in the open position.
- the narrowing 60 of the lower part of the product outlet chamber comprises a central bore 61 of diameter corresponding to the diameter of the shutter 32, and a frustoconical area 62 of cross section larger than the section of the shutter 32, so that when said shutter is in the frustoconical zone, the product discharge conduit 19 is open.
- FIGS 4 to 6 illustrate another alternative embodiment of the valve 13.
- This valve comprises a hollow fixed element 123 and a movable element 127.
- a lower cap 101 provided with a central channel 102 of small diameter is placed at the bottom of the fixed element 123 so that the product to be sprayed can only enter the fixed element via this channel 102.
- the mixing device 100 is linked to the fixed element.
- the mixing device 100 which equips all the variant embodiments of the valve mounted on the aerosol can according to the invention, comprises a central annular channel 103 open downwards, a peripheral annular channel 104 open upwards and three grooves 105 connecting these two annular channels.
- These three grooves 105 are arranged in such a way that the angle formed by the walls of each of these grooves and the corresponding radial direction is different from zero.
- these grooves are substantially tangent to the central and peripheral annular channels at the point where they open into these channels.
- the mixing device 100 further comprises an opening 106 which preferably opens substantially tangentially into the peripheral annular channel 104.
- the angle formed by the axis of this opening with the corresponding radial direction is advantageously between 5 ° and 85 ° .
- the grooves can also be curved so that they are tangential to the two annular channels.
- the valve When the valve is open, that is to say when the movable element 127 is in the low position as illustrated in detail in FIG. 6, the product moves around this element and enters the mixing device 100 by the central annular channel 103.
- the pressurized air enters tangentially into this mixing device through the opening 106.
- the movable element 127 blocks the upper part of the central annular channel 103, which forces the product to pass through the grooves 105 of the device and to enter the peripheral annular channel 104.
- the tangential arrival of air through the opening 106 generates a circulation which creates a very homogeneous mixture of the product, which allows uniform spraying.
- the aerosol can When the bag 14 and the housing 11 have been filled with product and air respectively, the aerosol can is ready to use. By pressing the valve 13 downwards, it passes successively from the closed position to the purge position, then to the use position. In the purge position, only the side passage 20 is open. Air therefore escapes from the box without entraining any product. In the position of use, the passage 20 and the conduit 19 are open. A mixture of air and spray material escapes from the can.
- the valve When the spraying of the product is stopped, the valve must pass through its purge position before reaching the closed position. In this purge position, air escapes and the residues of product to be sprayed are evacuated from the outlet cannula 30, which prevents the latter from clogging and makes the aerosol can unusable.
- valve equipped with the mixing device as described makes it possible to obtain a very homogeneous mixture of the pressurized air and the product to be sprayed.
- This characteristic offers all the advantages linked to the use of air as a propellant gas and allows the spraying of any product, in particular paints. or synthetic foams which cannot be sprayed satisfactorily with the valves of the prior art.
- the flexible pocket used in the box according to the invention can be made of aluminum, polyethylene or polypropylene. It can be mono- or multilayer. It can be welded to the valve or linked by connecting means. It can be interchangeable, or disposable. It can 'be filled and reused.
- the present invention is not limited to the variants described.
Landscapes
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
- Nozzles (AREA)
- Catching Or Destruction (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH362693 | 1993-12-06 | ||
CH3626/93 | 1993-12-06 | ||
PCT/CH1994/000233 WO1995015895A1 (fr) | 1993-12-06 | 1994-12-06 | Boite d'aerosol rechargeable a propulsion d'air |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0681548A1 true EP0681548A1 (de) | 1995-11-15 |
EP0681548B1 EP0681548B1 (de) | 1998-09-23 |
Family
ID=4260027
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP95901312A Expired - Lifetime EP0681548B1 (de) | 1993-12-06 | 1994-12-06 | Wiederfüllbarer aerosolbehälter mit luft als treibmittel |
Country Status (7)
Country | Link |
---|---|
US (1) | US5730326A (de) |
EP (1) | EP0681548B1 (de) |
JP (1) | JPH08506553A (de) |
AT (1) | ATE171440T1 (de) |
CA (1) | CA2155546A1 (de) |
DE (1) | DE69413520D1 (de) |
WO (1) | WO1995015895A1 (de) |
Families Citing this family (41)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2769299B1 (fr) * | 1997-10-03 | 1999-12-31 | Oreal | Ensemble de conditionnement et de distribution bi-produits |
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 |
DE19808295A1 (de) * | 1998-02-27 | 1999-11-11 | Boehringer Ingelheim Int | Behälter für eine medizinische Flüssigkeit |
JP2000062870A (ja) * | 1998-08-19 | 2000-02-29 | Toyo Aerosol Ind Co Ltd | 二重エアゾール容器 |
FR2785268B1 (fr) * | 1998-10-28 | 2001-01-19 | Sofab | Valve pour reservoir a poche |
DE19851404A1 (de) | 1998-11-07 | 2000-05-11 | Boehringer Ingelheim Int | Druckausgleichsvorrichtung für einen Doppelbehälter |
FR2786470B1 (fr) * | 1998-11-27 | 2001-02-16 | Sofab | Dispositif pour le raccordement d'une pompe |
DE19940713A1 (de) | 1999-02-23 | 2001-03-01 | Boehringer Ingelheim Int | Kartusche für eine Flüssigkeit |
US6439430B1 (en) | 2000-09-22 | 2002-08-27 | Summit Packaging Systems, Inc. | Collapsible bag, aerosol container incorporating same and method of assembling aerosol container |
DE10126489A1 (de) * | 2001-05-31 | 2002-12-05 | Hilti Ag | Druckdose |
US7073732B2 (en) * | 2001-08-28 | 2006-07-11 | A-Way Hunting Products, Inc. | Scented foam string for hunting |
GB0130057D0 (en) * | 2001-12-14 | 2002-02-06 | Dunne Stephen T | Liquid atomising system |
JP2002240873A (ja) * | 2001-12-25 | 2002-08-28 | Hoyu Co Ltd | エアゾール容器及び2剤吐出容器 |
US20040084479A1 (en) * | 2002-11-04 | 2004-05-06 | Domoy Brett C. | Valve |
DE10251306A1 (de) * | 2002-11-04 | 2004-05-19 | Hilti Ag | Druckbehälter |
JP4438983B2 (ja) * | 2003-07-03 | 2010-03-24 | 株式会社東海 | 燃料電池用燃料容器 |
US7124788B2 (en) | 2003-07-10 | 2006-10-24 | Precision Valve Corporation | Means and method for filling bag-on-valve aerosol barrier packs |
US7517568B2 (en) * | 2004-03-23 | 2009-04-14 | The Clorox Company | Packaging for dilute hypochlorite |
US7571841B2 (en) * | 2004-04-19 | 2009-08-11 | Illinois Tool Works, Inc. | Interchangeable adapter for in-can and on-can fuel cells |
US7392922B2 (en) * | 2004-04-19 | 2008-07-01 | Illinois Tool Works Inc. | In-can fuel cell metering valve |
CA2589763A1 (en) * | 2004-12-03 | 2006-06-08 | Multivet Ltd. | Fluid delivery system for dispensing an active substance in spray form |
CA2603909A1 (en) * | 2005-04-08 | 2006-10-12 | Multi-Vet Ltd. | Aerosol dispenser with venturi effect spray nozzle |
DE102005019969B3 (de) * | 2005-04-27 | 2006-05-11 | Steven Padar | Verfahren zur Herstellung einer befüllten Dosierpumpenanordnung |
US20100116362A1 (en) * | 2005-06-30 | 2010-05-13 | Koninklijke Philips Electronics N.V. | Passive control valve |
FR2895735B1 (fr) * | 2005-12-30 | 2008-04-18 | Ecopack France | Valve a poche amelioree |
US7789278B2 (en) * | 2007-04-12 | 2010-09-07 | The Clorox Company | Dual chamber aerosol container |
US8464910B2 (en) * | 2008-03-14 | 2013-06-18 | Solutions Biomed, Llc | Multi-chamber container system for storing and mixing fluids |
JP5104536B2 (ja) * | 2008-05-16 | 2012-12-19 | マックス株式会社 | 燃料充填容器及びガス燃焼式打込み工具 |
US20100063640A1 (en) * | 2008-09-05 | 2010-03-11 | David Olmstead | Programmable Animal Lure Aerosol Dispenser |
WO2010056871A2 (en) | 2008-11-12 | 2010-05-20 | Solutions Biomed, Llc | Two-part disinfectant system and related methods |
WO2010056881A1 (en) * | 2008-11-12 | 2010-05-20 | Solutions Biomed, Llc | Multi-chamber container system for storing and mixing liquids |
ITTO20100274A1 (it) * | 2010-04-09 | 2011-10-10 | Tek Global Srl | Kit per la riparazione e il gonfiaggio di articoli gonfiabili |
CA2804790A1 (en) * | 2010-07-08 | 2012-01-12 | The Procter & Gamble Company | Device for dispensing material |
AU2013330959A1 (en) * | 2012-10-19 | 2015-05-07 | Rust-Oleum Corporation | Propellantless aerosol system |
JP6220515B2 (ja) * | 2012-12-17 | 2017-10-25 | 大和製罐株式会社 | 噴霧容器 |
GB201321484D0 (en) * | 2013-12-05 | 2014-01-22 | Kokomo Ltd | Foam formulation and aerosol can assembly |
GB2544113B (en) | 2015-11-09 | 2018-05-23 | Aer Beatha Ltd | Canister |
US10166666B2 (en) | 2015-11-25 | 2019-01-01 | Illinois Tool Works Inc. | Adapter for combustion tool fuel cells |
US10598377B2 (en) * | 2016-05-27 | 2020-03-24 | Illinois Tool Works Inc. | Combustion-powered fastener driving tool fuel cell assembly |
US10421086B1 (en) * | 2018-06-19 | 2019-09-24 | Christine Kuligowski | Reusable dry erase spray paint can |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3520450A (en) * | 1968-06-06 | 1970-07-14 | Dart Ind Inc | Fluids dispensing valve |
US4405064A (en) * | 1981-05-26 | 1983-09-20 | Stoody William R | Self-cleaning, isolated product, aerosol spray atomizing valve |
GB8721571D0 (en) * | 1987-09-14 | 1987-10-21 | Metal Box Plc | Valve assembly |
JP2641314B2 (ja) * | 1990-04-23 | 1997-08-13 | 帝人株式会社 | 電気絶縁紙 |
-
1994
- 1994-12-06 WO PCT/CH1994/000233 patent/WO1995015895A1/fr active IP Right Grant
- 1994-12-06 EP EP95901312A patent/EP0681548B1/de not_active Expired - Lifetime
- 1994-12-06 AT AT95901312T patent/ATE171440T1/de not_active IP Right Cessation
- 1994-12-06 CA CA002155546A patent/CA2155546A1/fr not_active Abandoned
- 1994-12-06 US US08/500,967 patent/US5730326A/en not_active Expired - Fee Related
- 1994-12-06 JP JP7515865A patent/JPH08506553A/ja active Pending
- 1994-12-06 DE DE69413520T patent/DE69413520D1/de not_active Expired - Lifetime
Non-Patent Citations (1)
Title |
---|
See references of WO9515895A1 * |
Also Published As
Publication number | Publication date |
---|---|
JPH08506553A (ja) | 1996-07-16 |
EP0681548B1 (de) | 1998-09-23 |
US5730326A (en) | 1998-03-24 |
CA2155546A1 (fr) | 1995-06-15 |
WO1995015895A1 (fr) | 1995-06-15 |
DE69413520D1 (de) | 1998-10-29 |
ATE171440T1 (de) | 1998-10-15 |
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