WO2008103978A2 - Dosing system and method - Google Patents
Dosing system and method Download PDFInfo
- Publication number
- WO2008103978A2 WO2008103978A2 PCT/US2008/054857 US2008054857W WO2008103978A2 WO 2008103978 A2 WO2008103978 A2 WO 2008103978A2 US 2008054857 W US2008054857 W US 2008054857W WO 2008103978 A2 WO2008103978 A2 WO 2008103978A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- container
- valve
- bittering agent
- dose
- module
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 43
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 49
- 239000000443 aerosol Substances 0.000 claims abstract description 20
- 238000002788 crimping Methods 0.000 claims abstract description 14
- 239000003380 propellant Substances 0.000 claims abstract description 8
- 238000010410 dusting Methods 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- VWTINHYPRWEBQY-UHFFFAOYSA-N denatonium Chemical compound [O-]C(=O)C1=CC=CC=C1.C=1C=CC=CC=1C[N+](CC)(CC)CC(=O)NC1=C(C)C=CC=C1C VWTINHYPRWEBQY-UHFFFAOYSA-N 0.000 claims description 3
- 229960001610 denatonium benzoate Drugs 0.000 claims description 3
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims 1
- 235000011941 Tilia x europaea Nutrition 0.000 claims 1
- 239000004571 lime Substances 0.000 claims 1
- 239000007789 gas Substances 0.000 description 9
- 230000007246 mechanism Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000013043 chemical agent Substances 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 241000220010 Rhode Species 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B31/00—Packaging articles or materials under special atmospheric or gaseous conditions; Adding propellants to aerosol containers
- B65B31/003—Adding propellants in fluid form to aerosol containers
Abstract
A method for introducing a bittering agent into an aerosol container. The method can includ the steps of: adding a dose of the bittering agent in the container, positioning a valve on the container, crimping the valve to the container, and adding an aerosol propellant to the container. The method can further include the step of adding an actuator to the container. The method can further include the step of testing the container in a bath. The steps of adding a dose of the bittering agent in the container and positioning a valve on the container can be performed by an automated device.
Description
DOSING SYSTEM AND METHOD
CROSS-REFERENCE TO RELATED APPLICATION
[001] This application claims the benefit of U.S. Provisional Patent Application No.
60/891 ,426, filed on February 23, 2007 and Non-Provisional Patent Application No. 12/020,029, filed on January 25, 2008 the contents of which are hereby incorporated by reference herein.
FIELD OF THE INVENTION
[002] Embodiments of the invention relate to systems and methods for introducing chemical agents into aerosol containers.
BACKGROUND OF THE INVENTION
[003] Liquefied-gas aerosol dusters provide a safe, useful, convenient, and economically efficient means of cleaning dust and debris from hard to reach places, where it can be harmful or detrimental. This can be especially true for the multitude of electronic equipment used today, where small foreign particles can render expensive equipment inoperable or shorten its useful life. These aerosol dusters provide an easily available source of pressurized gas that can be used to remove such debris. Packaged in appropriately designed aerosol cans, the liquefied gas and aerosol package components can be chosen so as to deliver a pressurized burst of gas in a preferred cleaning pattern. The aerosol valve and actuator can be configured to deliver the appropriate amount of gas at the right pressure in a range from broad to pinpoint spray patterns. Using liquefied gases provides an ample supply of material for a large number of cleaning tasks in a compact package.
[004] Manufacturers and suppliers of these products expend significant resources and energy toward good product stewardship with goals of providing products that are safe when used as intended. Thus, these duster products provide a safe and valuable function to the consumer, but sometimes are involved in inhalation abuse incidents, like numerous other consumer products.
[005] Accordingly, there is a need for a liquefied-gas aerosol dusting composition with a bittering additive agent (also referred to herein as a bittering agent, or bitterant) that does not interfere with normal product use but is detectable in an inhalation abusive scenario
so as to potentially discourage the practice. Consequently, there is a need in the art for a system and method for successfully adding bittering agents to an aerosol container.
SUMMARY OF THE INVENTION
[006] The above-described problems are addressed and a technical solution is achieved in the art by systems and methods for introducing a chemical agent into a container.
[007] Beneficially, a dosing module, valve module and crimping module are all included on a single, automated apparatus. Because of this orientation, the time from when the bittering agent is added to the container, until a valve is placed on the container and subsequently crimped, is relatively short. For this reason, there is relatively little time when the bittering agent is exposed to the ambient environment. The bittering agent, by its nature, has a unsavory aroma and/or taste, and minimizing such exposure reduces the unwanted introduction of bittering agent to facility workers and the general facility environment. In addition, embodiments of the invention provide for an efficient system and method for adding a bittering agent to aerosol containers.
[008] Embodiments can include a method for introducing a bittering agent into an aerosol container. The method can include the steps of: adding a dose of the bittering agent in the container, positioning a valve on the container, crimping the valve to the container, and adding an aerosol propellant to the container. The method can further include the step of adding an actuator to the container. The method can further include the step of testing the container in a bath. The steps of adding a dose of the bittering agent in the container, positioning a valve on the container and crimping the valve onto the container can be performed by an automated device.
f009] The time interval between adding a dose of the bittering agent in the container and positioning a valve on the container can be in the range of about 1 to 5 seconds.
[0010] A distance that the container travels between the steps of adding a dose of the bittering agent in the container and positioning a valve on the container can be in the range of about 2 to 16 inches.
[0011] Embodiments can include an apparatus for introducing a bittering agent into an aerosol container. The apparatus can include a turntable for positioning the container, a dosing module for adding a dose of the bittering agent in the container when the turntable
positions the container proximate the dosing module, a valve module for positioning a valve on the container when the turntable positions the container proximate the valve module, and a crimping module for crimping the valve to the container when the turntable positions the container proximate the valve module.
[0012] The time interval between when the container is positioned proximate the dosing module and when the container is positioned proximate the valve module can be in the range of about 1 to 5 seconds.
[0013] A distance between where the container is positioned proximate the dosing module and where the container is positioned proximate the valve module can be in the range of about 2 to 16 inches.
BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Embodiments of the invention will be more readily understood from the detailed description of exemplary embodiments presented below considered in conjunction with the attached drawings, of which:
10015] FIG. 1 is a flow diagram illustrating certain embodiments of a method of adding a bittering agent to a container;
[0016] FlG. 2 is a schematic diagram illustrating a system for implementing the method shown in FIG. 1 ;
[0017] FlG. 3 is a schematic diagram illustrating a portion of system for implementing the method shown in FIG. 1;
[0018] FIG. 4 is a more detailed view of the portion of the system shown in FIG. 3; and
[0019] FIG. 5 is a schematic diagram illustrating a portion of system for implementing the method shown in FIG. 1.
[0020] It is to be understood that the attached drawings are for purposes of illustrating the concepts of the invention and may not be to scale.
DETAILED DESCRIPTION OF THE INVENTION
[0021] Embodiments of the invention relate to a system and method for introducing a chemical agent into a container.
[0022] With reference to FIG. 1, in some embodiments, a method for adding a bittering agent to an aerosol container can include depositing a dose of bittering agent into a container (step Sl 0), adding a valve to the container (step S 12), and crimping the valve to the container (step S 14).
[0023] With reference to FlG. 2, a system, shown in schematic form, in accordance with some embodiments can be used to perform the above-described method. A dose module 220 can be used to add a dose of a bittering agent into a container 210. Next, a valve module 230 can position a valve on the container 210, A crimp module 240 can crimp the valve to the container 210. A propeilant module 250 can be used to add propellant to the container 210. The container 210 can be tested in a bath module 260. Finally, an actuator can be placed on the container 210 by the actuator module 270,
[0024J With reference to FIGs. 3 and 4, an embodiment is shown in more detailed schematic form. Dose module 220 can include a dispenser and a syringe 222, coupled by an air line. The dispenser 224 causes a bitterent placed in the syringe 222 to be added to the container 210 in a relatively precisely determined amount. In some embodiments, dispenser 224 can be triggered, via, for example, switches, to initiate the addition of the dose of bitterent when container 210 is in a predetermined position. Whether container 210 is in a predetermined position for dosing can be signaled by position sensor mechanism 226, which can include a combination of one or more limit switches, spring return cylinder switches, and track switches. In some embodiments, portions of the position sensor mechanism 226, as well as the dispenser 224, can operate with the use of air system.
[0025] In some embodiments, dose module 224 can include two dispensers 224, two syringes 222 and two position sensor mechanisms 226 such that two containers can be dosed with bitterent simultaneously, or substantially simultaneously.
[0026J With reference to FIG. 5, there is shown a top partial schematic view of an embodiment of a system as described above. Containers 221 are positioned on turntable module 300. Dispensers 224 initiate the dosing of bitterent from syringes 222. The turntable
8 054857
then indexes the containers 221 to the valve placer module 230, where a valve is positioned on each of containers 221. Next, the turntable module 300 indexes the containers to a position proximate the crimper module 240. At the crimper module 240, the valves can be crimped to the containers 221 .
[0027] Thus, the syringe 222 of dosing module 220, valve placer module 230 and crimper module 240 are all included on a single, automated apparatus. Because of this orientation, the time from when the bittering agent is added to the container 221, until a valve is placed on the container and subsequently crimped, is relatively short. For this reason, there is relatively little time when the bittering agent is exposed to the ambient environment. The bittering agent, by its nature, has an unsavory aroma and/or taste, and minimizing such exposure reduces the unwanted introduction of bittering agent to facility workers and the general facility environment.
[0028] Specifically, with reference to FIGs. 1, 2 and 5, time Tl (the time from when the container 221 is at the dosing module 220 to when the container is at the valve placer module 230) can preferably be in the range of 1 to 5 seconds, more preferably in the range of 1 to 3 seconds, and most preferably, about 2.5 seconds. Time T2 (the time from when the container 221 is at the dosing module 220 to when the container is at the crimper module 240) can preferably be in the range of 4 to 10 seconds, more preferably in the range of 6 to 8 seconds, and most preferably, about 7 seconds. In other embodiments, other times can be used.
[0029] Distance Dl (the distance between when the container 221 is at the dosing module 220 to when the container is at the valve placer module 230) can preferably be in the range of 2 to 16 inches, more preferably in the range of 4 to 8 inches, and most preferably, about 6.25 inches. Distance D2 (the distance between when the container 221 is at the dosing module 220 to when the container is at the crimper module 240) can preferably be in the range of 5 to 11 inches, more preferably in the range of 7 to 9 inches, and most preferably, about 8.75 inches. In other embodiments, other distances can be used. These distances are measured along the generally arcuate path traveled by the containers while moving about the turntable.
[0030] Container 221 can be made of tinplatc, aluminum, glass, or other materials as is known to those of skill in the art. The bittering agent can be denalonium benzoate, or other
bittering agents, as are known to those of skill in the art. The propellant can be a liquefied gas, for use with aerosol spray containers, as is known to those of skill in the art. In some embodiments, a liquefied aerosol dusting composition can be used, as described in U.S. Patent Application No. 11/895,070, filed on August 22, 2007, and titled "A liquefied-gas Aerosol Dusting Composition Containing Denatonium Benzoate," the contents of which are hereby incorporated by reference herein.
[0031] In some embodiments, the dispenser 224 of dose module 220 can be an Ultra
2400 workstation dispenser, as produced by EFD Inc., of East Providence, Rhode Island. As is known to those of skill in the art, the Ultra 2400 workstation includes a digital display, an air management system, and precision time increment adjustment capabilities for precise dose deposit controls.
[0032] In some embodiments, turntable 300 can use a rotary index mechanism and aerosol filling system as provided by Terco Inc., of Bloomington Illinois.
10033] By way of sensor mechanism 226 (see FIG. 4), the dispenser 224 and turntable
300 have been coupled such that dispenser 224 works cooperatively and automatically with turntable 300. By way of embodiments of the invention, actuation of the EFD fluid dispenser 221 is coupled to the position of container 221, thus minimizing the possibility of accidental discharge of bitterant from syringe 222.
[0034] With reference to FIGs. 1 and 2, optionally, as is known in the art, a propellant can be added to the container (step S 16). Next, the container can be tested in a bath (step Sl 8), and, an actuator can be added to the container (step S20).
[0035] It is to be understood that the exemplary embodiments are merely illustrative of the invention and that many variations of the above-described embodiments may be devised by one skilled in the art without departing from the scope of the invention. It is therefore intended that all such variations be included within the scope of the following claims and their equivalents.
Claims
1. A method for introducing a bittering agent into an aerosol container, the method comprising the steps of: adding a dose of the bittering agent in the container; positioning a valve on the container; crimping the valve to the container; and adding an aerosol propellant to the container.
2. The method of claim 1, further comprising the step of adding an actuator to the container.
3. The method of claim 2, further comprising testing the container in a bath.
4. The method of claim 1, wherein the lime interval between adding a dose of the bittering agent in the container and positioning a valve on the container is about 1 to 5 seconds.
5. The method of claim 1, wherein the time interval between adding a dose of the bittering agent in the container and positioning a valve on the container is about 1 to 3 seconds.
6. The method of claim 1, wherein the time interval between adding a dose of the bittering agent in the container and positioning a valve on the container is about 2.5 seconds.
7. The method of claim 1, wherein a distance that the container travels between the steps of adding a dose of the bittering agent in the container and positioning a valve on the container is about 2 to 16 inches.
8. The method of claim 1, wherein a distance that the container travels between the steps of adding a dose of the bittering agent in the container and positioning a valve on the container is about 4 to 8 inches.
9. The method of claim 1, wherein a distance that the container travels between the steps of adding a dose of the bittering agent in the container and positioning a valve on the container is about 6.25 inches.
10. The method of claim 1, wherein the time interval between adding a dose of the bittering agent in the container and crimping the valve to the container is about 4 to 10 seconds.
11. The method of claim 1 , wherein the time interval between adding a dose of the bittering agent in the container and crimping the valve to the container is about 6 to 8 seconds.
12. The method of claim 1, wherein the time interval between adding a dose of the bittering agent in the container and crimping the valve to the container is about 7 seconds.
13. The method of claim 1 , wherein a distance that the container travels between the steps of adding a dose of the bittering agent in the container and crimping the valve to the container is about 5 to 11 inches.
14. The method of claim 1, wherein a distance that the container travels between the steps of adding a dose of the bittering agent in the container and crimping the valve to the container is about 7 to 9 inches.
15. The method of claim 1, wherein a distance that the container travels between the steps of adding a dose of the bittering agent in the container and crimping the valve to the container is about 8.75 inches.
16. The method of claim 1 , wherein the bittering agent comprises denatonium benzoate.
17. The method of claim 1, wherein the aerosol propellant comprises a liquefied gas.
18. The method of claim 1 , wherein the aerosol propellant and the bittering agent form a Hquefied-gas aerosol dusting composition.
19. The method of claim 1, wherein the steps of adding a dose of the bittering agent in the container and positioning a valve on the container are performed by an automated device.
20. The method of claim 1, wherein the steps of adding a dose of the bittering agent in the container and positioning a valve on the container are performed by an automated device.
21. The method of claim 20, wherein the automated device comprises an indexing turntable.
22. An apparatus for introducing a bittering agent into an aerosol container comprising: a turntable for positioning the container; a dosing module for adding a dose of the bittering agent in the container when the turntable positions the container proximate the dosing module; and a valve module for positioning a valve on the container when the turntable positions the container proximate the valve module.
23. The apparatus of claim 22, wherein the time interval between when the container is positioned proximate the dosing module and when the container is positioned proximate the valve module is about 1 to 5 seconds.
24. The apparatus of claim 22, wherein the time interval between when the container is positioned proximate the dosing module and when the container is positioned proximate the valve module is about 1 to 3 seconds.
25. The apparatus of claim 22, wherein the time interval between when the container is positioned proximate the dosing module and when the container is positioned proximate the valve module is about 2.5 seconds.
26. The apparatus of claim 22, wherein a distance between where the container is positioned proximate the dosing module and where the container is positioned proximate the valve module is about 2 to 16 inches.
27. The apparatus of claim 22, wherein a distance between where the container is positioned proximate the dosing module and where the container is positioned proximate the valve module is about 4 to 8 inches.
28. The apparatus of claim 22, wherein a distance between where the container is positioned proximate the dosing module and where the container is positioned proximate the valve module is about 6.25 inches.
29. The apparatus of claim 22, wherein the bittering agent comprises denatonium benzoate.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US89142607P | 2007-02-23 | 2007-02-23 | |
US60/891,426 | 2007-02-23 | ||
US12/020,029 | 2008-01-25 | ||
US12/020,029 US20080202627A1 (en) | 2007-02-23 | 2008-01-25 | Dosing System and Method |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2008103978A2 true WO2008103978A2 (en) | 2008-08-28 |
WO2008103978A3 WO2008103978A3 (en) | 2008-12-04 |
Family
ID=39710789
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2008/054857 WO2008103978A2 (en) | 2007-02-23 | 2008-02-25 | Dosing system and method |
Country Status (2)
Country | Link |
---|---|
US (1) | US20080202627A1 (en) |
WO (1) | WO2008103978A2 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7754096B2 (en) * | 2007-02-01 | 2010-07-13 | E.I. Du Pont De Nemours And Company | Liquefied-gas aerosol dusting composition containing denatonium benzoate |
WO2009103063A2 (en) * | 2008-02-15 | 2009-08-20 | Tsi Incorporated | An automated qualitative mask fit tester |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5180753A (en) * | 1986-05-28 | 1993-01-19 | Osipow Lloyd I | Process for the manufacture of synthetic polymer propellant systems |
US5950503A (en) * | 1997-05-30 | 1999-09-14 | Amendolea; Richard Michael | Open center turntable assembly |
US20010018916A1 (en) * | 1996-03-29 | 2001-09-06 | Michiel Mary Van Oort | Process and device for inhalation of particulate medicaments |
US6454139B1 (en) * | 2001-02-14 | 2002-09-24 | Precision Valve Corporation | Preassembled aerosol actuator assembly for in-line capping to an aerosol container |
US20020179736A1 (en) * | 2001-05-30 | 2002-12-05 | Toyo Aerosol Industry Co., Ltd. | Aerosol valve for high rate filling |
US20060269504A1 (en) * | 2003-04-15 | 2006-11-30 | James Alexander G | Use of alkyl resorcinols in the treatment of acne |
US20070036843A1 (en) * | 2005-01-28 | 2007-02-15 | Collegium Pharmaceutical, Inc. | Non-ionic non-aqueous vehicles for topical and oral administration of carrier-complexed active agents |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4889709A (en) * | 1985-03-18 | 1989-12-26 | Product Resources International, Inc. | Aerosol foam with adsorbate and container containing same |
US5052577A (en) * | 1989-11-07 | 1991-10-01 | Armstrong Laboratories, Inc. | Container assembly |
GB9807232D0 (en) * | 1998-04-03 | 1998-06-03 | Univ Cardiff | Aerosol composition |
US6569387B1 (en) * | 1999-08-10 | 2003-05-27 | S.C. Johnson & Son, Inc. | Dual function dispenser |
-
2008
- 2008-01-25 US US12/020,029 patent/US20080202627A1/en not_active Abandoned
- 2008-02-25 WO PCT/US2008/054857 patent/WO2008103978A2/en active Application Filing
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5180753A (en) * | 1986-05-28 | 1993-01-19 | Osipow Lloyd I | Process for the manufacture of synthetic polymer propellant systems |
US20010018916A1 (en) * | 1996-03-29 | 2001-09-06 | Michiel Mary Van Oort | Process and device for inhalation of particulate medicaments |
US5950503A (en) * | 1997-05-30 | 1999-09-14 | Amendolea; Richard Michael | Open center turntable assembly |
US6454139B1 (en) * | 2001-02-14 | 2002-09-24 | Precision Valve Corporation | Preassembled aerosol actuator assembly for in-line capping to an aerosol container |
US20020179736A1 (en) * | 2001-05-30 | 2002-12-05 | Toyo Aerosol Industry Co., Ltd. | Aerosol valve for high rate filling |
US20060269504A1 (en) * | 2003-04-15 | 2006-11-30 | James Alexander G | Use of alkyl resorcinols in the treatment of acne |
US20070036843A1 (en) * | 2005-01-28 | 2007-02-15 | Collegium Pharmaceutical, Inc. | Non-ionic non-aqueous vehicles for topical and oral administration of carrier-complexed active agents |
Also Published As
Publication number | Publication date |
---|---|
WO2008103978A3 (en) | 2008-12-04 |
US20080202627A1 (en) | 2008-08-28 |
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