Dispenser of paste products with refill-type container
Patent 5104009 Issued on April 14, 1992. Estimated Expiration Date: 
November 28, 2010. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
November 28, 2010. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3088636 Dispenser for paste-like products Dispensing package for a viscous product Dispenser of paste-like products, in particular toothpaste Dispenser package for viscous fluids Dispenser for pasty compositions Patent #: 4946076 InventorAssigneeApplicationNo. 619231 filed on 11/28/1990US Classes:222/209, Fluid pressure generating pump or pulsator and/or removable flexible wall closures222/327, Part of cartridge or removable container222/380, Valve outlet222/387Valved outlet, movable discharge guide and/or gas ventExaminersPrimary: Hajec, Donald T.Attorney, Agent or FirmInternational ClassesB67D 005/40G01F 011/00 Foreign Application Priority Data1990-01-12 ITAbstractA dispenser for paste products comprises a container and a hollow dispensing head having a pumping member mounted on its interior, an actuating lever for the member, and a delivery conduit which is associated at one end with the pumping member. The head has a tubular extension facing the top end of the container, which matches the contour of the container. The extension is releasably attached to the container, thereby the latter can be provided in the form of a replaceable refill container. To extend the working life of the dispensing head, the pumping member has a leaf spring associated therewith which acts against the push force from the actuating lever.Field of SearchSupply container delivering to receiving chamberFluid pressure generating pump or pulsator and/or removable flexible wall closures Wall deflecting means Insertable cartridge or removable container With follower Follower and impeller coaxial or parallel and interconnected Reciprocating nonpivoted controller Part of cartridge or removable container Valve outlet Valved outlet, movable discharge guide and/or gas vent | |
