EP0346289A2 - Aerosol dispenser - Google Patents
Aerosol dispenser Download PDFInfo
- Publication number
- EP0346289A2 EP0346289A2 EP89830165A EP89830165A EP0346289A2 EP 0346289 A2 EP0346289 A2 EP 0346289A2 EP 89830165 A EP89830165 A EP 89830165A EP 89830165 A EP89830165 A EP 89830165A EP 0346289 A2 EP0346289 A2 EP 0346289A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- container
- aerosol dispenser
- inner container
- helical
- dispenser according
- 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.)
- Withdrawn
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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
- B65D83/32—Dip-tubes
Definitions
- the present invention relates to aerosols dispenser for delivering products by means of a pressurised propellant gas.
- an aerosol dispenser of the above type which is provided with an inner flexible container for containing the product to be delivered and which can deform under the action of the propellant gas.
- the object of the invention is to produce an aerosol dispenser of the above type which, in the case of unitary pressure containers, enables the rapid and mechanised insertion of the inner container and which enables complete emptying without waste.
- the subject of the present invention is an aerosol dispenser of the type specified above, whose main characteristic lies in the fact that the inner container is helical in shape so as to enable its insertion in a unitary pressure container through the neck of the container by means of an operation analogous to screwing.
- the inner container can be fitted in a mechanised manner with the aid of a rotary spindle.
- the inner container is in the form of a hollow helical coil whilst in a second embodiment the inner container is in the form of a helical bellows.
- a unitary pressure container usable for the delivery of products by means of a pressurised propellant gas is indicated 1.
- the container 1 is provided with a neck 2 whose mouth has an aperture of the conventional diameter of one inch (2.54 mm).
- An inner flexible container of plastics, metal, or metallised material is indicated 3 and is constituted by a tube 4 of substantially-rectangular elongate cross-section which is wound into a helix so as to take the form of a hollow helical coil.
- the coil is closed at its lower end and is connected at its upper end to a connector 5 which is intended to be gripped in the mouth of the pressure container 1.
- the coil 3 communicates with the atmosphere through a delivery valve of known type, not illustrated in the drawing.
- the propellant is contained between the coiled container 3 and the inner wall of the pressure container 1.
- said container can be inserted in the pressure container 1 through the neck 2 by means of an operation analogous to screwing, carried out by means of a rotary spindle.
- the propellant is introduced in known manner, for example through a hole in the bottom of the pressure container 1.
- the container 3 when filled with the product the container 3 enables the volume of noxious substances to be reduced to a minimum; moreover, this container does not give rise, during emptying, to residual volumes of inactive substances.
- the principal cross-section of the inner container 3 can be modified from the rectangular section illustrated in Figures 1 and 2 to a rectangular section with sides which are corrugated so as to form concentric ribs on the surface of the helix which enable expansion perpendicular to the axis of the helix.
- the inner container, indicated 6, is in the form of a helical bellows.
- the lateral surface of the inner container therefore behaves like the thread of a screw during the insertion of the container into the pressure container 1 by its being screwed into the hole in the neck of the container 1.
- the helical surface could also be modified in this embodiment so as to enable radial deformation of the bellows.
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)
Abstract
The invention relates to an aerosol dispenser for delivering products by means of a pressurised gaseous propellant, provided with an inner flexible container (3) for containing the product to be delivered. The inner container (3) is helical in shape so as to enable it to be inserted in the aerosol container (1) through the neck (2) of said container (1) by an operation analogous to screwing.
Description
- The present invention relates to aerosols dispenser for delivering products by means of a pressurised propellant gas.
- More particularly the invention concerns are an aerosol dispenser of the above type which is provided with an inner flexible container for containing the product to be delivered and which can deform under the action of the propellant gas.
- The object of the invention is to produce an aerosol dispenser of the above type which, in the case of unitary pressure containers, enables the rapid and mechanised insertion of the inner container and which enables complete emptying without waste. In order to achieve this object, the subject of the present invention is an aerosol dispenser of the type specified above, whose main characteristic lies in the fact that the inner container is helical in shape so as to enable its insertion in a unitary pressure container through the neck of the container by means of an operation analogous to screwing.
- By virtue of the above characteristic and by virtue of its pliability, the inner container can be fitted in a mechanised manner with the aid of a rotary spindle.
- According to a first embodiment of the invention, the inner container is in the form of a hollow helical coil whilst in a second embodiment the inner container is in the form of a helical bellows.
- Further characteristics and advantages of the present invention will become clear from the description which follows with reference to the appended drawings, provided purely by way of non-limiting example, in which:
- Figure 1 is a partially-sectioned front view, of an aerosol dispenser according to the invention at the stage immediately after the insertion of the inner container,
- Figure 2 is a view similar to Figure 1 of the dispenser after the filling of the inner container and the introduction of the propellant, and
- Figure 3 is a partially-sectioned elevation of a variant of the inner container.
- In the example of Figures 1 and 2, a unitary pressure container usable for the delivery of products by means of a pressurised propellant gas is indicated 1. The container 1 is provided with a
neck 2 whose mouth has an aperture of the conventional diameter of one inch (2.54 mm). - An inner flexible container of plastics, metal, or metallised material is indicated 3 and is constituted by a tube 4 of substantially-rectangular elongate cross-section which is wound into a helix so as to take the form of a hollow helical coil.
- The coil is closed at its lower end and is connected at its upper end to a
connector 5 which is intended to be gripped in the mouth of the pressure container 1. - The
coil 3 communicates with the atmosphere through a delivery valve of known type, not illustrated in the drawing. - The propellant is contained between the coiled
container 3 and the inner wall of the pressure container 1. - By virtue of the helical coiled shape of the
inner container 3, said container can be inserted in the pressure container 1 through theneck 2 by means of an operation analogous to screwing, carried out by means of a rotary spindle. - The propellant is introduced in known manner, for example through a hole in the bottom of the pressure container 1.
- As illustrated in Figure 2, when filled with the product the
container 3 enables the volume of noxious substances to be reduced to a minimum; moreover, this container does not give rise, during emptying, to residual volumes of inactive substances. - In the case of large-diameter aerosol dispensers, the principal cross-section of the
inner container 3 can be modified from the rectangular section illustrated in Figures 1 and 2 to a rectangular section with sides which are corrugated so as to form concentric ribs on the surface of the helix which enable expansion perpendicular to the axis of the helix. - In the variant illustrated in Figure 3, the inner container, indicated 6, is in the form of a helical bellows.
- The lateral surface of the inner container therefore behaves like the thread of a screw during the insertion of the container into the pressure container 1 by its being screwed into the hole in the neck of the container 1.
- The helical surface could also be modified in this embodiment so as to enable radial deformation of the bellows.
Claims (5)
1. An aerosol dispenser for delivering products by means of a pressurised propellant gas, which is provided with a flexible inner container for containing the product to be delivered and which can deform under the action of the propellant gas, characterised in that the inner container (3, 6) is helical in shape so as to enable its insertion in a unitary pressure container (1) through the neck (2) of said container (1) by an operation analogous to screwing.
2. An aerosol dispenser according to Claim 1, characterised in that the inner container (3) is in the shape of a hollow helical coil.
3. An aerosol dispenser according to Claim 2, characterised in that the coil (3) is constituted by a tube of substantially-rectangular, elongate cross-section wound into a helix.
4. An aerosol dispenser according to Claim 3, characterised in that the elongate rectangular cross-section of the coil (3) has sides which are corrugated so as to form concentric ribs on the surface of the helix which enable expansion perpendicular to the axis of the helix.
5. An aerosol dispenser according to Claim 1, characterised in that the inner container is in the shape of a helical bellows (6) whose lateral surface behaves like the thread of a screw during the insertion of the container (6) into the pressure container (1) by its being screwed into the aperture of the neck (2) of the said container (1).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT6755088 | 1988-06-10 | ||
IT67550/88A IT1219372B (en) | 1988-06-10 | 1988-06-10 | CYLINDER FOR THE DISPENSING OF PRODUCTS BY MEANS OF A PROPELLANT GAS UNDER PRESSURE |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0346289A2 true EP0346289A2 (en) | 1989-12-13 |
EP0346289A3 EP0346289A3 (en) | 1990-09-05 |
Family
ID=11303362
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19890830165 Withdrawn EP0346289A3 (en) | 1988-06-10 | 1989-04-18 | Aerosol dispenser |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0346289A3 (en) |
IT (1) | IT1219372B (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1990011235A1 (en) * | 1989-03-23 | 1990-10-04 | Stephen Terence Dunne | Aerosol dispensers |
US6287035B1 (en) * | 1997-07-17 | 2001-09-11 | Berol Corporation | Fluid dispensation |
WO2009083767A1 (en) * | 2007-12-31 | 2009-07-09 | Lincoln Global, Inc. | Insert for container packaging |
US20120234868A1 (en) * | 2009-10-09 | 2012-09-20 | Kao Corporation | Cap for squeeze container |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3606089A (en) * | 1969-05-19 | 1971-09-20 | Valve Corp Of America | Product-isolating sack for pressurized dispensers |
-
1988
- 1988-06-10 IT IT67550/88A patent/IT1219372B/en active
-
1989
- 1989-04-18 EP EP19890830165 patent/EP0346289A3/en not_active Withdrawn
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3606089A (en) * | 1969-05-19 | 1971-09-20 | Valve Corp Of America | Product-isolating sack for pressurized dispensers |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1990011235A1 (en) * | 1989-03-23 | 1990-10-04 | Stephen Terence Dunne | Aerosol dispensers |
US6287035B1 (en) * | 1997-07-17 | 2001-09-11 | Berol Corporation | Fluid dispensation |
WO2009083767A1 (en) * | 2007-12-31 | 2009-07-09 | Lincoln Global, Inc. | Insert for container packaging |
US7854323B2 (en) | 2007-12-31 | 2010-12-21 | Lincoln Global, Inc. | Insert for container packaging |
US7975847B2 (en) | 2007-12-31 | 2011-07-12 | Lincoln Global, Inc. | Insert for container packaging |
EP2660167A1 (en) * | 2007-12-31 | 2013-11-06 | Lincoln Global, Inc. | Insert for container packaging |
US20120234868A1 (en) * | 2009-10-09 | 2012-09-20 | Kao Corporation | Cap for squeeze container |
Also Published As
Publication number | Publication date |
---|---|
IT1219372B (en) | 1990-05-11 |
EP0346289A3 (en) | 1990-09-05 |
IT8867550A0 (en) | 1988-06-10 |
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Legal Events
Date | Code | Title | Description |
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PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
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STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
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18D | Application deemed to be withdrawn |
Effective date: 19910306 |