초록 ▼

The liquid storing volume of rigid dispenser tank is varied by inflation of a gas impermeable bladder with pressurized air to maintain the liquid beverage under pressure. The bladder is inserted or withdrawn from the tank through a releasably sealed opening. The dispenser includes a locked closure p

The liquid storing volume of rigid dispenser tank is varied by inflation of a gas impermeable bladder with pressurized air to maintain the liquid beverage under pressure. The bladder is inserted or withdrawn from the tank through a releasably sealed opening. The dispenser includes a locked closure positioned in underlying relation to a flexible jacket for the tank.

대표청구항 ▼

In a portable beverage dispenser having a container within which liquid is stored, a liquid dispensing valve connected to the container and pump means for pressurizing the liquid within the container including, a flexible bladder disposed within the container and passage means connecting the pump me

In a portable beverage dispenser having a container within which liquid is stored, a liquid dispensing valve connected to the container and pump means for pressurizing the liquid within the container including, a flexible bladder disposed within the container and passage means connecting the pump means to the bladder for inflation thereof to effect said pressurization of the liquid, said container comprising a relatively rigid wall and flexible jacket means mounted externally on the rigid wall, through which the dispensing valve and the passage means extend, for cushioning and insulating the liquid stored in the container, said pump means being a manually operable air pump, said bladder being made of a gas and liquid impermeable material, the container having an internal liquid storing volume varied by inflation and collapse of the bladder, said rigid wall of the container being formed with an access opening dimensioned to accommodate insertion and withdrawal of the bladder in a collapsed condition and releasably locked closure means mounted within said opening in underlying relation to the jacket means for pressure sealing the container.