Fluid dispensing device with metered delivery
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
G01F-011/00
B65D-035/40
B65D-035/46
출원번호
US-0711853
(2010-02-24)
등록번호
US-8387833
(2013-03-05)
발명자
/ 주소
LaFlamme, Roger J.
Pekar, Robert W.
출원인 / 주소
Sealed Air Corporation (US)
인용정보
피인용 횟수 :
1인용 특허 :
78
초록▼
A method of dispensing a fluid comprises providing a container made from flexible material and having an outer surface, a first opening and an interior fluid storage region therein. The method further comprises providing a volume of fluid within interior fluid storage region and providing a flexible
A method of dispensing a fluid comprises providing a container made from flexible material and having an outer surface, a first opening and an interior fluid storage region therein. The method further comprises providing a volume of fluid within interior fluid storage region and providing a flexible metering housing, having a metering chamber therein with a predetermined volume, disposed in fluid communication with interior fluid storage region. The method further comprises providing an intake valve disposed between container and flexible metering housing permitting unidirectional fluid flow from interior fluid storage region into metering chamber. The method further comprises providing an exit port in fluid communication with container with an output valve disposed between exit port and metering chamber, depressing and releasing flexible metering housing, and filling the metering chamber with a volume of fluid by vacuum force in an amount by the volume of the metering chamber.
대표청구항▼
1. A fluid dispensing device, comprising: a collapsible container having an outer surface and a first opening therethrough, the collapsible container defining an interior fluid storage region therein, and an exterior outer region;a flexible metering housing defined by a flexible membrane, the flexib
1. A fluid dispensing device, comprising: a collapsible container having an outer surface and a first opening therethrough, the collapsible container defining an interior fluid storage region therein, and an exterior outer region;a flexible metering housing defined by a flexible membrane, the flexible membrane protruding through the first opening in the outer surface of said collapsible container so as to be exposed to the exterior outer region, said flexible metering housing having a metering chamber therein with a predetermined volume, disposed in fluid communication with the fluid storage region, an intake valve disposed between the collapsible container and the flexible metering housing and permitting unidirectional fluid flow from the interior fluid storage region of the collapsible container into the metering chamber thereby filling the predetermined volume of the metering chamber regardless of the collapsible container's orientation with respect to gravity;an output valve, in fluid communication with the metering housing and permitting unidirectional fluid flow from the metering chamber to the exterior outer region of the collapsible container of a volume of fluid substantially equal to the predetermined volume of the flexible metering housing; andwherein the collapsible container is made from a flexible material, and wherein the flexible material of the collapsible container and the unidirectional flow of the intake valve cause the collapsible container to collapse as fluid is evacuated from within the collapsible container such that the fluid dispensing device dispenses fluid regardless of the collapsible container's orientation with respect to gravity. 2. The fluid dispensing device of claim 1, further comprising: a fluid conduit having a first end and a second end, the fluid conduit connected at the first end to the output valve and at the second end to an exit port defined by the collapsible container. 3. The fluid dispensing device of claim 1, further comprising: a fluid conduit disposed between the metering housing and the output valve. 4. The fluid dispensing device of claim 3, wherein the fluid conduit is routed through the interior fluid storage region of the collapsible container. 5. The fluid dispensing device of claim 1, wherein the intake valve and the output valve are one-way check valves. 6. The fluid dispensing device of claim 1 wherein said flexible metering housing is further defined by a base plate in which the intake valve and the output valve are formed. 7. The fluid dispensing device of claim 1, further comprising: at least one standoff connected to the metering housing and proximal to the intake valve to prevent the intake valve from being blocked. 8. The fluid dispensing device of claim 7, wherein the standoff is at least one leg. 9. The fluid dispensing device of claim 7, wherein the standoff is a spring. 10. The fluid dispensing device of claim 1, wherein the flexible membrane of said flexible metering housing is clear so as to provide an indicator to a user when a metered dosage of fluid material is ready for delivery. 11. A fluid dispensing device, comprising: a collapsible container having an outer surface and a first opening therethrough, the collapsible container defining an interior fluid storage region therein, and an exterior outer region;a flexible metering housing defined by a flexible button portion and a base portion and having a metering chamber therein with a predetermined volume, disposed in fluid communication with the fluid storage region, an intake valve disposed in the base portion between the collapsible container and the flexible metering housing and permitting unidirectional fluid flow from the interior fluid storage region of the collapsible container into the metering chamber thereby filling the predetermined volume of the metering chamber regardless of the collapsible container's orientation with respect to gravity;an output valve disposed in the base portion, in fluid communication with the metering housing and permitting unidirectional fluid flow from the metering chamber to the exterior outer region of the collapsible container of a volume of fluid substantially equal to the predetermined volume of the flexible metering housing; andwherein the collapsible container is made from a flexible material, and wherein the flexible material of the collapsible container and the unidirectional flow of the intake valve cause the collapsible container to collapse as fluid is evacuated from within the collapsible container such that the fluid dispensing device dispenses fluid regardless of the collapsible container's orientation with respect to gravity. 12. The fluid dispensing device of claim 11, further comprising: a fluid conduit having a first end and a second end, the fluid conduit connected at the first end to the output valve and at the second end to an exit port defined by the collapsible container. 13. The fluid dispensing device of claim 12, wherein the fluid conduit is routed through the interior fluid storage region of the collapsible container. 14. The fluid dispensing device of claim 11, wherein the intake valve and the output valve are one-way check valves. 15. The fluid dispensing device of claim 11 wherein the button portion of said flexible metering housing comprises a flexible membrane, the flexible membrane protruding through the first opening in the outer surface of said collapsible container so as to be exposed to the exterior outer region. 16. The fluid dispensing device of claim 11 wherein said base portion comprises a base plate in which the intake valve and the output valve are formed. 17. The fluid dispensing device of claim 11, further comprising: at least one standoff connected to the base portion of said metering housing and proximal to the intake valve to prevent the intake valve from being blocked. 18. The fluid dispensing device of claim 17, wherein the standoff is at least one leg. 19. The fluid dispensing device of claim 17, wherein the standoff is a spring. 20. The fluid dispensing device of claim 11, wherein the button portion of said flexible metering housing is clear so as to provide an indicator to a user when a metered dosage of fluid material is ready for delivery. 21. A fluid dispensing device, comprising: a container having an outer surface and a first opening therethrough, the container defining an interior fluid storage region therein, and an exterior outer region;a flexible metering housing defined by a flexible membrane, the flexible membrane protruding through the first opening in the outer surface of said container so as to be exposed to the exterior outer region, said flexible metering housing having a metering chamber therein with a predetermined volume, disposed in fluid communication with the fluid storage region, an intake valve disposed between the container and the flexible metering housing and permitting unidirectional fluid flow from the interior fluid storage region of the container into the metering chamber thereby filling the predetermined volume of the metering chamber;an output valve, in fluid communication with the metering housing and permitting unidirectional fluid flow from the metering chamber to the exterior outer region of the container of a volume of fluid substantially equal to the predetermined volume of the flexible metering housing; andat least one standoff connected to the metering housing and proximal to the intake valve that prevents the flow of fluid to the intake valve from being blocked;wherein the container is made from a flexible material, and wherein the flexible material of the container and the unidirectional flow of the intake valve cause the container to collapse as fluid is evacuated from within the container such that the fluid dispensing device is gravity independent.
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