|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||222/95 ; 222/105 ; 222/394 ; 222/3865|
|발명자 / 주소|
|인용정보||피인용 횟수 : 50 인용 특허 : 0|
A collapsible liquid container is mounted within a pressure chamber, the chamber is pressurized either by an external air pump, or by a manual pump within the wall of the chamber. The pressure inside the chamber causes the wall of the container to collapse as liquid is drawn from it. A check valve mounted in a channel connecting the inside of the pressure chamber to the spout of the container transfers pressurized air into the container when the pressure within the container drops below the pressure in the chamber, in order to evacuate any liquid remaini...
A liquid dispenser which comprises: a pressure chamber having an aperture; means for sealing the aperture; a liquid container inside the chamber, said container having collapsible walls and a spout terminating into an orifice; a channel having an opening into the chamber and an exit port connected to said orifice; a check-valve in the channel, said check-valve being biased to allow fluid flow from said opening towards said exit port when a selected differential pressure between the chamber and the container is exceeded; a sealable conduit passing through...