IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0350011
(2003-01-24)
|
발명자
/ 주소 |
- Kendrick, Robert E.
- Samuelson, Leon C.
- Moe, Kevin J.
- Manderfield, Cary E.
|
출원인 / 주소 |
- S. C. Johnson & Son, Inc.
|
인용정보 |
피인용 횟수 :
7 인용 특허 :
47 |
초록
▼
An aerosol dispenser assembly ( 1 ) having a container ( 2 ) that contains a liquid product, and a propellant for propelling the liquid product from the container ( 2 ). The propellant is a dual phase hydrocarbon propellant, is free of normal butane, and is at most 25% by weight of the contents of t
An aerosol dispenser assembly ( 1 ) having a container ( 2 ) that contains a liquid product, and a propellant for propelling the liquid product from the container ( 2 ). The propellant is a dual phase hydrocarbon propellant, is free of normal butane, and is at most 25% by weight of the contents of the container. A valve ( 4 ) is attached to the container ( 2 ) for selectively dispensing the liquid product from the container ( 2 ) as a mist, the mist having an average particle size of less than 35 μm (0.0014″), over at least 75% of the life of the dispenser assembly ( 1 ). The dispenser assembly ( 1 ) is capable of dispensing over 98% by weight of the liquid product from the container ( 2 ). A vapor tap ( 24 ) is formed in the valve ( 4 ) to facilitate thorough mixing of the propellant and the liquid product prior to dispensing, and a valve stem ( 12 ) is disposed in the valve ( 4 ). The valve stem ( 12 ) defines at least one stem orifice ( 26 ) for flow of the product during dispensing. The vapor tap ( 24 ) has a diameter of about 0.013″ (0.330 mm) to about 0.019″ (0.483 mm). A dispenser cap ( 16 ) is mounted on the valve stem ( 12 ) for actuating the valve ( 4 ) to dispense the liquid product. The dispenser cap ( 16 ) defines an exit path ( 28 ), through which the liquid product can be dispensed. A breakup bar ( 30 ) is positioned in the exit path ( 28 ) of the dispenser cap ( 16 ) to break up the liquid product in order to reduce the size of the particles before the liquid product is dispensed.
대표청구항
▼
1. An aerosol dispenser assembly comprising:a container that contains a liquid product and a propellant for propelling the liquid product from said container, wherein the propellant is a dual phase propellant and is at most 25% by weight of the contents of said container; anda valve attached to said
1. An aerosol dispenser assembly comprising:a container that contains a liquid product and a propellant for propelling the liquid product from said container, wherein the propellant is a dual phase propellant and is at most 25% by weight of the contents of said container; anda valve attached to said container for selectively dispensing the liquid product from said container as a mist, wherein the dispensed mist has an average particle size of less than 35 μm, over at least 75% of the life of said dispenser assembly. 2. An aerosol dispenser assembly according to claim 1, wherein the propellant is a hydrocarbon propellant. 3. An aerosol dispenser assembly according to claim 2, wherein the propellant is free of normal butane. 4. An aerosol dispenser assembly according to claim 1, wherein the contents of said container are pressurized to between about 55 psig and about 120 psig. 5. An aerosol dispenser assembly according to claim 1, wherein the contents of said container are pressurized to between about 55 psig and about 80 psig. 6. An aerosol dispenser assembly according to claim 1, wherein the contents of said container are pressurized to between about 70 psig and about 80 psig. 7. An aerosol dispenser assembly according to claim 1, further comprising a vapor tap formed in said valve to facilitate thorough mixing of the propellant and the liquid product prior to dispensing, and a valve stem disposed in said valve and defining at least one stem orifice for flow of the product during dispensing. 8. An aerosol dispenser assembly according to claim 7, wherein said vapor tap has a diameter of about 0.013″ to about 0.019″. 9. An aerosol dispenser assembly according to claim 7, wherein said valve stem defines a pair of stem orifices. 10. An aerosol dispenser assembly according to claim 7, further comprising:a dispenser cap mounted on said valve stem for actuating said valve to dispense the liquid product, said dispenser cap defining an exit path for the liquid product to be dispensed; anda breakup bar positioned in the exit path of said dispenser cap to break up the liquid product in order to reduce the size of the particles before the liquid product is dispensed. 11. An aerosol dispenser assembly comprising:a container for containing a liquid product and a propellant for propelling the liquid product from said container, wherein the propellant is a dual phase propellant and is at most 25% by weight of the contents of said container; anda valve attached to said container for selectively dispensing the liquid product from said container as a mist, wherein the dispensed mist has an average particle size of less than 35 μm, over at least 75% of the life of said dispenser assembly, and wherein said dispenser assembly is capable of dispensing over 98% by weight of the liquid product from said container. 12. An aerosol dispenser assembly according to claim 11, wherein the propellant is a hydrocarbon propellant. 13. An aerosol dispenser assembly according to claim 11, wherein the propellant is free from normal butane. 14. An aerosol dispenser assembly according to claim 11, wherein the contents of said container are pressurized to between about 55 psig and about 120 psig. 15. An aerosol dispenser assembly according to claim 11, wherein the contents of said container are pressurized to between about 55 psig and about 80 psig. 16. An aerosol dispenser assembly according to claim 11, wherein the contents of said container are pressurized to between about 70 psig and about 80 psig. 17. An aerosol dispenser assembly according to claim 11, further comprising a vapor tap formed in said valve to facilitate thorough mixing of the propellant and the liquid product prior to dispensing, and a valve stem disposed in said valve and defining at least one stem orifice for flow of the product during dispensing. 18. An aerosol dispenser assembly according to claim 15, wherein said vapor tap has a diameter of about 0.013″ to ab out 0.019″. 19. An aerosol dispenser assembly according to claim 16, wherein said valve stem defines a pair of stem orifices. 20. An aerosol dispenser assembly according to claim 15, further comprising:a dispenser cap mounted on said valve stem for actuating said valve to dispense the liquid product, said dispenser cap defining an exit path for the liquid product to be dispensed; anda breakup bar positioned in the exit path of said dispenser cap to break up the liquid product in order to reduce the size of the particles before the liquid product is dispensed. 21. An aerosol dispenser assembly comprising:a container that contains a liquid product and a propellant for propelling the liquid product from said container, wherein the propellant is a dual phase hydrocarbon propellant, is free of normal butane, and is at most 25% by weight of the contents of said container, and wherein the contents of said container are pressurized to between about 55 psig and about 80 psig;a valve attached to said container for selectively dispensing the liquid product from said container as a mist, wherein the dispensed mist has an average particle size of less than 35 μm, over at least 75% of the life of said dispenser assembly, and wherein said dispenser assembly is capable of dispensing over 98% by weight of the liquid product from said container;a vapor tap formed in said valve to facilitate thorough mixing of the propellant and the liquid product prior to dispensing, said vapor tap having a diameter of about 0.013″ to about 0.019″;a valve stem disposed in said valve and defining at least one stem orifice for flow of the product during dispensing;a dispenser cap mounted on said valve stem for actuating said valve to dispense the liquid product, said dispenser cap defining an exit path for the liquid product to be dispensed; anda breakup bar positioned in the exit path of said dispenser cap to break up the liquid product in order to reduce the size of the particles before the liquid product is dispensed.
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