IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0728557
(2007-03-26)
|
등록번호 |
US-8544698
(2013-10-01)
|
발명자
/ 주소 |
- Ciavarella, Nick E.
- Hayes, David D.
|
출원인 / 주소 |
|
대리인 / 주소 |
Calfee, Halter & Griswold LLP
|
인용정보 |
피인용 횟수 :
14 인용 특허 :
15 |
초록
▼
Dispensers are provided including pumps for dispensing a foamed product out of an outlet provided in a dispensing tube. The foam is created from the mixing of a foamable liquid and air, with separate pumps being provided for each component. The dispensing tube is stationary, although the pumps thems
Dispensers are provided including pumps for dispensing a foamed product out of an outlet provided in a dispensing tube. The foam is created from the mixing of a foamable liquid and air, with separate pumps being provided for each component. The dispensing tube is stationary, although the pumps themselves have parts that must move to dispense the foamed product. A single actuator operates both the liquid and air pumps. Additionally, in some embodiments, the air pump advances air before the liquid pump advances liquid. These pumps are particularly suited to the dispensing of a foamed skin care or skin sanitizing product.
대표청구항
▼
1. A dispenser comprising: a support;a stationary dispensing tube; the stationary dispensing tube having a first end and a second end;the first end of the stationary dispensing tube secured to the support;the stationary dispensing tube having an air passage and a liquid passage, wherein the air pass
1. A dispenser comprising: a support;a stationary dispensing tube; the stationary dispensing tube having a first end and a second end;the first end of the stationary dispensing tube secured to the support;the stationary dispensing tube having an air passage and a liquid passage, wherein the air passage and the liquid passage are separate from one another and extend upward from the support;a mixing chamber located at the second end of the stationary dispensing tube away from the support;a liquid container holding a liquid;the support secured to the liquid container;a keyed overcap for securing the container and stationary dispensing tube to a bottle support of a dispenser system;a compressible liquid chamber compressible to a compressed volume and biased to expand to an expanded volume;a dip tube extending from said compressible liquid chamber into said liquid in said liquid container,wherein compression of said compressible liquid chamber forces liquid within said compressible liquid chamber into the liquid passage in said stationary dispensing tube, and expansion of said compressible liquid chamber draws liquid up through said dip tube and into said compressible liquid chamber;a compressible air chamber compressible to a compressed volume and biased to expand to an expanded volume;wherein compression of said compressible air chamber forces air within said compressible air chamber into the air passage in said stationary dispensing tube. 2. The dispenser of claim 1, wherein the support supports said compressible liquid chamber, and said stationary dispensing tube communicates with said support, wherein compression of said compressible liquid chamber forces liquid within said compressible liquid chamber into the liquid passage of said stationary dispensing tube through a liquid path in said support, and compression of said compressible air chamber forces air within said compressible air chamber into the air passage of said stationary dispensing tube through an air path in said support. 3. The dispenser of claim 2, further comprising a mixing chamber, wherein said stationary dispensing tube includes separate liquid and air paths that join at said mixing chamber. 4. The dispenser of claim 2, further comprising a dual actuator selectively moved to compress both said compressible liquid chamber and said compressible air chamber. 5. The dispenser of claim 4, wherein the dispenser is a counter mounted dispenser wherein said liquid container, said compressible liquid chamber, said dip tube, said compressible air chamber, said stationary pump support and said dual actuator are located below a counter, and said stationary dispensing tube extends from communication with said stationary pump support below the counter, through said counter, to a top side of said counter, and providing said mixing chamber above said counter. 6. The dispenser of claim 1 wherein the stationary dispensing tube is a bilumen. 7. The dispenser of claim 1 wherein the air tube and the liquid tube are coaxial. 8. The dispenser of claim 7 wherein the second passageway surrounds the first passageway. 9. A dispenser comprising: a support;a compressible liquid chamber having an expanded volume and a compressed volume to advance a liquid to a mixing chamber when selectively moved to said compressed volume;the compressible liquid chamber secured to the support;a compressible air chamber having an expanded volume and a compressed volume to advance air to said mixing chamber when selectively moved to said compressed volume, and draw air into said compressible air chamber through a stationary dispensing tube when selectively moved to said expanded volume;the stationary dispensing tube having an air passage and a liquid passage, wherein the air passage and the liquid passage are separate from one another;a first end of the stationary dispensing tube secured to the support;the mixing chamber being located at a second end of the stationary dispensing tube at a location away from the support;anda dual actuator selectively moved to compress both said compressible liquid chamber and said compressible air chamber to their compressed volumes, wherein upon such movement of said dual actuator, said air chamber begins to be compressed prior to the beginning of the compression of said liquid chamber. 10. The dispenser of claim 9, wherein said dual actuator impinges upon both said compressible liquid chamber and said compressible air chamber, and the dispenser further comprises a compression delay element, said dual actuator impinging upon said liquid chamber through said compression delay element such that selective movement of said dual actuator to compress both said compressible liquid chamber and said compressible air chamber causes said air chamber to begin to compress prior to said liquid chamber. 11. The counter mounted soap dispenser of claim 10, wherein said compression delay element is a spring. 12. The dispenser of claim 9, wherein said dual actuator directly impinges upon said compressible air chamber such that movement of said dual actuator causes immediate movement of said compressible air chamber, and said dual actuator is slightly spaced from said compressible liquid chamber such that said dual actuator must first be moved to cause movement of said compressible air chamber before said dual actuator will cause movement of said compressible liquid chamber. 13. The dispenser of claim 9 wherein the stationary dispensing tube is a bilumen. 14. The dispenser of claim 9 wherein the air passage and liquid passage of the stationary dispensing tube are coaxial. 15. The dispenser of claim 14 wherein the second passageway surrounds the first passageway. 16. A foam dispenser comprising: a container for holding a foamable liquid;a support connected to the container;an air pump secured to the support;a liquid pump secured to the support;a manifold having an air inlet for receiving air from the air pump and a liquid inlet for receiving liquid from the liquid pump;the manifold secured to the support;a stationary coaxial dispensing tube having a first end located proximate the support and connected to the manifold;the stationary coaxial dispensing tube having a first passageway and a second separate passageway;wherein the first passageway and the second passageway are coaxial and extend from the manifold to a mixing chamber;the manifold having an air path connecting the air inlet to the first passageway in the stationary coaxial dispensing tube and a liquid path connecting the liquid inlet to the second passageway in the stationary coaxial dispensing tube; andthe mixing chamber located at the distal end of the stationary coaxial dispensing tube away from the support wherein air can flow from the air pump, through the manifold, through the first passageway of the coaxial tube into the mixing chamber and foamable liquid can flow from the liquid pump, through the manifold, through the second passageway of the stationary coaxial dispensing tube into the mixing chamber where the air and foamable liquid can be mixed together to form a foam mixture. 17. The dispenser of claim 16 wherein the manifold air path and the manifold liquid path are side by side. 18. The dispenser of claim 16 wherein the first passageway of the stationary coaxial dispensing tube surrounds the second passageway of the coaxial dispensing tube. 19. The dispenser of claim 16 wherein the coaxial dispensing tube extends upward from the manifold.
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