Premix injection system for asphalt compositions
Patent 4662759 Issued on May 5, 1987. Estimated Expiration Date: 
December 19, 2005. 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.
December 19, 2005. 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 ReferencesInventorsAssigneeApplicationNo. 06/810612 filed on 12/19/1985US Classes:366/2, Methods366/11, Gas incorporating at delivery nozzle366/165.2, Including deflector in chamber (deflector may be part of chamber wall)366/174.1, Deflector366/178.3Inner feeder passes through wall of outer feeder and extends along common axis at the wallExaminersPrimary: Hunter, H. HamptonAttorney, Agent or FirmInternational ClassesE01C 19/46 (20060101)E01C 19/00 (20060101) B01F 5/00 (20060101) AbstractAn injection system for asphalt, asphalt-containing or other viscous compositions, comprising a mixing drum or receptacle, an injection device having a housing and mounted nozzle jet for preparation and discharge of a premix comprising such asphalt or other composition(s) admixed with staple fiber, means for supporting the injection device, and means for supplying composition and fiber components through the injection device in flowable condition, the composition flow pattern being arranged external and generally concentric to the fiber flow and in a downstream blocking flow pattern relative to the fiber flow to assure wetting and encapsulation thereof before discharge of the premix; and a method for introducing staple fiber and filler or other additives, as desired, into the asphalt composition by using the injection device. | |
