EP0614439A1 - Dispositif aerosol pour distribuer une composition a viscosite relativement elevee. - Google Patents
Dispositif aerosol pour distribuer une composition a viscosite relativement elevee.Info
- Publication number
- EP0614439A1 EP0614439A1 EP93901805A EP93901805A EP0614439A1 EP 0614439 A1 EP0614439 A1 EP 0614439A1 EP 93901805 A EP93901805 A EP 93901805A EP 93901805 A EP93901805 A EP 93901805A EP 0614439 A1 EP0614439 A1 EP 0614439A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- composition
- seconds
- millipascals
- container
- 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.)
- 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
- B65D83/44—Valves specially adapted therefor; Regulating devices
-
- 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
- B65D83/32—Dip-tubes
Definitions
- the invention relates to an aerosol device for dispensing a composition with a relatively high viscosity, in particular a gel or an emulsion, of the type which comprises a container, intended to be used head up, containing the composition and a propellant. gaseous under pressure acting directly on the composition, a dispensing valve being placed on an opening in the upper part of the container, while a dip tube connected to the valve extends to the vicinity of the bottom of the container.
- a dispensing valve being placed on an opening in the upper part of the container, while a dip tube connected to the valve extends to the vicinity of the bottom of the container.
- US-A-3,541,581 shows, in particular in FIG. 5, an aerosol device of this kind, in which no physical separation is provided between the gaseous propellant under pressure and the composition to be dispensed.
- Such an aerosol device is not entirely satisfactory when the viscosity of the composition to be dispensed is relatively high.
- FR-A-2 223 452 underlines the difficulties and the operational problems encountered in such a situation. The viscous composition does not flow regularly into the dip tube and cavitation phenomena with loss of propellant gas through the dispensing valve occur. This results in a significant reduction in the emptying rate (ratio of the maximum quantity of composition distributed by the device to the total mass of this composition introduced into the container).
- FR-A-2 223 452 proposes stable gel compositions with delayed foaming having a relatively low flow threshold, which corresponds to an also relatively low viscosity.
- This solution which eliminates the more viscous compositions which are nevertheless of significant interest, in particular with regard to self-foaming shaving gels, aims to promote the flow of the composition in the dip tube and in the valve to reduce cavitation phenomena.
- the object of the invention is, above all, to provide an aerosol device of the type defined above which makes it possible to improve the flow of the composition by avoiding or at least reducing cavitation phenomena and improving the rate of emptying without having reducing the viscosity of the composition to be dispensed.
- an aerosol device of the kind defined above is characterized in that the composition to be dispensed has a viscosity (measured on a Brookfield DV m viscometer, needle No. 7) situated in the range from 4,000 to 10,000 millipascals. seconds, preferably from 6,000 to 8,000 millipascals.seconds, for a speed of 100 revolutions / minute, and from 30,000 to 150,000 millipascals.seconds, preferably from 50,000 to 120,000 pascals.seconds, for a speed of 2.5 rpm, and that the dip tube consists of a semi-capillary tube whose internal diameter is between 0.7 and 1.5 mm and preferably between 1.3 and 1.5 mm.
- the invention in a surprising and unexpected manner, makes it possible to improve the flow conditions of a viscous product, from the point of view of the regularity of this flow and the reduction or even the elimination of the cavitation phenomena, by providing a reduced passage section, contrary to what one might think.
- Tests carried out with an aerosol device in accordance with this embodiment have made it possible to obtain, in certain cases, an emptying rate of more than 80% during continuous dispensing and in all cases, the rate of emptying, in comparison with a device fitted with the same type of valve but with a normal dip tube whose diameter is greater than the values indicated above, by at least 10% in absolute.
- the valve is provided with a tail which comprises a cylindrical housing in which is engaged the upper end of the semi-capillary tube whose external surface is in abutment against the internal surface of the housing.
- Figure 1 of this drawing is a vertical sectional view of an aerosol device according to a first embodiment of the invention, shown during distribution.
- composition C is constituted, in particular, by a self-foaming shaving gel or by a thickened emulsion.
- the viscosity of composition C measured on a Brookfield DV m viscometer, needle No. 7, is in the range from 4,000 to 10,000 millipascals.seconds, preferably from 6,000 to 8,000 millipascals.seconds, measured at a speed from 100 revolutions / minute and from 30,000 to 150,000 millipascals.seconds, preferably from 50,000 to 120,000 millipascals.seconds, measured at a speed of 2.5 revolutions / minute.
- the device D comprises a container 1 intended to be used with the head 2 at the top.
- the container 1 contains the composition and a gaseous propellant B which acts directly on the composition C.
- the propellant is advantageously constituted by a pressurized gas belonging to the assembly formed by: air, nitrogen, or a liquefiable propellant very sparingly soluble in the composition such as 2-H-heptafluoropropane, better known under the name HCFC 227. A gas is avoided liquefied likely to dissolve in the composition.
- the head 2 of the container 1 has a frustoconical shape and is provided at its upper end with an opening 3 with a rolled edge.
- a valve cup 4 is crimped on the edge of this opening and a distribution valve 5 is fixed to the center of the cup 4.
- the valve 5 comprises a valve body 6 around which the central part of the cup 4 is crimped.
- An elastic sealing washer 7 is clamped between the front end of the valve body 6 and a rim of the central part of the cup 4.
- a rod 8 can slide axially in the valve body
- the rod 8 has a channel central 9 opening upwards and the internal end of which is closed axially; this channel 9 communicates by radial passages 9â (or valve orifices) with a peripheral groove 10.
- the internal circular edge of the washer 7 is engaged in this groove 10.
- the washer 7 closes the passage (s) 9â oriented radially and isolates the interior of the container 1 from the channel 9.
- the washer 7 flexes in its central part and allows communication between the interior of the container 1 and the channel 9, as shown in FIG. 1.
- the rod 8 is returned to the closed position upwards by a helical spring 11 disposed between the bottom of the housing provided in the body 6 and the rod 8.
- the upper end of the rod 8 is surmounted by a push button 12 fitted with a dispensing spout 13.
- valve body 6 At its lower part, the valve body 6 is extended downwards by a valve stem 14 inside which is provided a cylindrical housing 15 limited, upwards, by an internal radial shoulder 16.
- a semi-capillary plunger tube 18 is engaged by its upper end in the housing 15 and extends towards the bottom to the vicinity of the bottom 19 of the can 1.
- the internal diameter ⁇ of the tube 18 is between 0.7 mm and 1.5 mm and preferably between 1.3 and 1.5 mm. This reduced diameter section is located upstream of the valve ports 9â *
- compositions whose viscosity is in the following range: from 4,000 to 10,000 millipascals. Seconds, preferably from 6,000 to 8,000 millipascals.seconds, at a speed of 100 revolutions / minute and from 30,000 to
- the dispensing device equipped with the semi-capillary tube 18 allows, by pressing the push button 12, as illustrated in Figure 1, a regular distribution of the product through the spout 13, and reduced losses of gaseous propellant.
- the emptying rate obtained during continuous distribution in some cases, can be greater than 80%.
- the emptying rate which is obtained with the same type of valve but with a normal dip tube whose internal diameter is clearly greater than 1.5 mm can be reduced by an absolute of 10 points (rate of approximately 70%).
- the pressure of the propellant at the start of spraying is generally between 5 and
- the initial flow rate of composition is between 1 g / s and 6.5 g / s, and preferably between 2 g / s and 4 g / s, terminals included.
- the final composition flow at around 80% of the drain, remains greater than 1 g / s.
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)
- Colloid Chemistry (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9114915 | 1991-12-02 | ||
FR9114915A FR2684358B1 (fr) | 1991-12-02 | 1991-12-02 | Dispositif aerosol pour distribuer une composition a viscosite relativement elevee. |
PCT/FR1992/001117 WO1993011058A1 (fr) | 1991-12-02 | 1992-12-01 | Dispositif aerosol pour distribuer une composition a viscosite relativement elevee |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0614439A1 true EP0614439A1 (fr) | 1994-09-14 |
EP0614439B1 EP0614439B1 (fr) | 1995-07-12 |
Family
ID=9419584
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP93901805A Expired - Lifetime EP0614439B1 (fr) | 1991-12-02 | 1992-12-01 | Dispositif aerosol pour distribuer une composition a viscosite relativement elevee |
Country Status (6)
Country | Link |
---|---|
US (1) | US5467902A (fr) |
EP (1) | EP0614439B1 (fr) |
DE (1) | DE69203459T2 (fr) |
ES (1) | ES2074388T3 (fr) |
FR (1) | FR2684358B1 (fr) |
WO (1) | WO1993011058A1 (fr) |
Families Citing this family (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7278590B1 (en) | 1992-02-24 | 2007-10-09 | Homax Products, Inc. | Systems and methods for applying texture material to ceiling surfaces |
US8028864B2 (en) | 1992-02-24 | 2011-10-04 | Homax Products, Inc. | Actuator systems and methods for aerosol wall texturing |
US6883688B1 (en) | 1992-02-24 | 2005-04-26 | Homax Products, Inc. | Aerosol spray texturing systems and methods |
EP0615512A1 (fr) * | 1992-06-22 | 1994-09-21 | FERRAYE, Joseph | Systeme universel de propulsion progressive et ou d'atomisation active pour aerosols |
US6152335A (en) | 1993-03-12 | 2000-11-28 | Homax Products, Inc. | Aerosol spray texture apparatus for a particulate containing material |
DE19636221C2 (de) * | 1996-09-06 | 1999-02-04 | Peter Kwasny Gmbh | Sprühdose |
EP1123669A1 (fr) * | 2000-02-09 | 2001-08-16 | The Procter & Gamble Company | Procédé pour tester un produit antisudorifique |
US20050023368A1 (en) * | 2003-01-24 | 2005-02-03 | S.C. Johnson & Son, Inc. | Method of designing improved spray dispenser assemblies |
US6824079B2 (en) | 2003-01-24 | 2004-11-30 | S. C. Johnson & Son, Inc. | Aerosol dispenser assembly and method of reducing the particle size of a dispensed product |
US7500621B2 (en) | 2003-04-10 | 2009-03-10 | Homax Products, Inc. | Systems and methods for securing aerosol systems |
US6907690B1 (en) * | 2003-04-25 | 2005-06-21 | Jimmie L. Stallings | Environmentally friendly insect eradication method and apparatus |
US20050029310A1 (en) * | 2003-08-09 | 2005-02-10 | Quebbeman David James | Foam Deceleration Tube for Aerosol Herbicide Dispenser |
DE10343672A1 (de) * | 2003-09-18 | 2005-05-04 | Boehringer Ingelheim Micropart | Sprühkopf für einen Aerosolbehälter |
US20050161531A1 (en) | 2004-01-28 | 2005-07-28 | Greer Lester R.Jr. | Texture material for covering a repaired portion of a textured surface |
US7677420B1 (en) | 2004-07-02 | 2010-03-16 | Homax Products, Inc. | Aerosol spray texture apparatus for a particulate containing material |
JP2008507779A (ja) | 2004-07-23 | 2008-03-13 | エス.シー. ジョンソン アンド サン、インコーポレイテッド | エアロゾルスプレーディスペンサーを設計するための方法 |
US7487893B1 (en) | 2004-10-08 | 2009-02-10 | Homax Products, Inc. | Aerosol systems and methods for dispensing texture material |
US20080031908A1 (en) * | 2006-07-25 | 2008-02-07 | L'oreal | Oily cosmetic composition in aerosol form |
US8344056B1 (en) | 2007-04-04 | 2013-01-01 | Homax Products, Inc. | Aerosol dispensing systems, methods, and compositions for repairing interior structure surfaces |
US9382060B1 (en) | 2007-04-05 | 2016-07-05 | Homax Products, Inc. | Spray texture material compositions, systems, and methods with accelerated dry times |
US8580349B1 (en) | 2007-04-05 | 2013-11-12 | Homax Products, Inc. | Pigmented spray texture material compositions, systems, and methods |
US9248457B2 (en) | 2011-07-29 | 2016-02-02 | Homax Products, Inc. | Systems and methods for dispensing texture material using dual flow adjustment |
US9156042B2 (en) | 2011-07-29 | 2015-10-13 | Homax Products, Inc. | Systems and methods for dispensing texture material using dual flow adjustment |
US9156602B1 (en) | 2012-05-17 | 2015-10-13 | Homax Products, Inc. | Actuators for dispensers for texture material |
US9435120B2 (en) | 2013-03-13 | 2016-09-06 | Homax Products, Inc. | Acoustic ceiling popcorn texture materials, systems, and methods |
US9776785B2 (en) | 2013-08-19 | 2017-10-03 | Ppg Architectural Finishes, Inc. | Ceiling texture materials, systems, and methods |
USD787326S1 (en) | 2014-12-09 | 2017-05-23 | Ppg Architectural Finishes, Inc. | Cap with actuator |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2837375A (en) * | 1955-04-04 | 1958-06-03 | Shulton Inc | Fluid dispensing valve |
US3541581A (en) * | 1967-11-13 | 1970-11-17 | Johnson & Son Inc S C | Package containing a post-foaming gel |
US4019657A (en) * | 1975-03-03 | 1977-04-26 | Spitzer Joseph G | Aerosol containers for foaming and delivering aerosols |
DE3037907A1 (de) * | 1980-10-08 | 1982-05-06 | Aerosol Technik Lindal GmbH, 2060 Bad Oldesloe | Vorrichtung zur entnahme pastoeser medien aus einem behaelter |
DE3600263A1 (de) * | 1986-01-08 | 1987-07-09 | Hoechst Ag | Mit fettsaeuren modifizierte polyester, verfahren zu deren herstellung und deren verwendung zur erhoehung der viskositaet in tensidhaltigen praeparaten |
CA1279042C (fr) * | 1986-02-11 | 1991-01-15 | Bespak Plc | Recipients debiteurs a gaz sous pression |
FI901024A0 (fi) * | 1989-03-02 | 1990-02-28 | Rocep Lusol Holdings | Lagrings och foerdelningssystem av gas. |
-
1991
- 1991-12-02 FR FR9114915A patent/FR2684358B1/fr not_active Expired - Fee Related
-
1992
- 1992-12-01 US US08/232,263 patent/US5467902A/en not_active Expired - Fee Related
- 1992-12-01 DE DE69203459T patent/DE69203459T2/de not_active Expired - Fee Related
- 1992-12-01 EP EP93901805A patent/EP0614439B1/fr not_active Expired - Lifetime
- 1992-12-01 WO PCT/FR1992/001117 patent/WO1993011058A1/fr active IP Right Grant
- 1992-12-01 ES ES93901805T patent/ES2074388T3/es not_active Expired - Lifetime
Non-Patent Citations (1)
Title |
---|
See references of WO9311058A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO1993011058A1 (fr) | 1993-06-10 |
EP0614439B1 (fr) | 1995-07-12 |
FR2684358B1 (fr) | 1995-01-20 |
DE69203459D1 (de) | 1995-08-17 |
FR2684358A1 (fr) | 1993-06-04 |
US5467902A (en) | 1995-11-21 |
ES2074388T3 (es) | 1995-09-01 |
DE69203459T2 (de) | 1996-04-11 |
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