Stripping dispenser package for viscous products
Patent 4907726 Issued on March 13, 1990. Estimated Expiration Date: 
October 27, 2008. 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.
October 27, 2008. 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 2147686 2873887 2959327 Toothpaste dispenser Dispenser for, in particular, pasty substances Dispenser Striping dispenser Pasty product dispenser having combination actuator and outlet valve Dispenser for viscous fluids Patent #: 4826044 InventorAssigneeApplicationNo. 263467 filed on 10/27/1988US Classes:222/145.3, Dispensed product retains identity of individual material (e.g., striped toothpaste)222/94, Plural container and/or compartment222/129PLURAL SOURCES, COMPARTMENT, CONTAINERS AND/OR SPACED JACKETExaminersPrimary: Rolla, Joseph J.Assistant: Rim, Steve Foreign Patent References
International ClassB67D 005/60AbstractA hand operable dispensing package for dispensing first and second viscous products in a composite product having a bead of the first viscous product and a plurality of spaced apart longitudinally extending stripes of the second viscous product on the outside of the bead of the first viscous product. The dispensing package has an elongate dispensing spout and an annular insert positioned in the dispensing spout with an outer surface of an inner portion of the annular insert and an inner surface of an inner portion of the dispensing spout defining an annular recess. The second viscous product is packaged in the annular recess and the first viscous product is packaged in a portion of the dispensing package below the annular recess and at least to the level of a free end of the annular insert. The annular insert has a multiplicity of transversely extending passages extending therethrough to permit the second viscous product to flow from the annular recess into the annular insert where it lodges in longitudinal recesses in the first viscous product flowing through the annular insert from the free end which are formed by internal ribs in the inner end of the annular insert. The dispensing package is provided with a pumping mechanism to simultaneously pressurize the first viscous product and the second viscous product. | |
