Patent ID: 6024248
Filing Date: 2000-02-15
Classification: A23G,B67D

Abstract:
A system for pneumatically dispensing a product, said system comprising:a receptacle having a passageway therein for holding said product, said receptacle having a first end and a second end;a free-floating piston within said passageway in said receptacle, said receptacle, piston, and first end defining a chamber;a pressurized air source containing pressurized air in fluid communication with said chamber,a first valve between said pressurized air source and said chamber whereby said pressurized air extends through said first valve and into said chamber when said first valve is open said pressurized air causing said piston to move away from said first end and toward said second end, forcing said product out of said receptacle; anda vacuum generator that generates a vacuum in said chamber, said vacuum extending through said first valve when said first valve is open between said vacuum generator and said chamber, said vacuum causing said piston to move toward said first end and away from said second end.