Patent ID: 6343718
Filing Date: 2002-02-05
Classification: B05C,B65D

Abstract:
A unit-dose storage and dispenser cartridge for an ingredient, comprising: an elongate tubular container having a first end defining a dispense opening, a second end defining a dasher-insertion opening, and an elongate passageway extending between said dispense and dasher-insertion openings;a first cover removably sealingly attached to said first end in registry with said dispense opening, wherein said first cover comprises a first metallic foil member affixed to said container first end; a second cover removably sealingly attached to said second end in registry with said dasher-insertion opening, wherein said s second cover comprises a second metallic foil member affixed to said container second end; a piston member slidably received within said passageway, said piston having a first major surface and an opposed second major surface, said piston being positionable within said container so as to define an ingredient storage cavity portion of said passageway between said first major surface of said piston and said first end of said ingredient storage cavity portion, said ingredient storage cavity portion having a volume for accepting a unit dose of said ingredient; a dasher rod insertable through said dasher-insertion opening and engageable with said second major surface of said piston member for effecting slidable movement of said piston member to dispense said unit dose of said ingredient through said dispense opening; and a pressure-relief vent supported on one of said first and second metallic foils for selectively venting excessive internal pressure generated within said passageway prior to insertion of said dasher rod through said dasher-insertion opening.