Fluidized power filling of cable core units
Patent 4455326 Issued on June 19, 1984. Estimated Expiration Date: 
April 22, 2003. 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.
April 22, 2003. 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 3097958 3254625 3639152 3817211 Conductive synthetic fibers Electrostatic powder coating Fluidized bed treatment apparatus Fluidized powder filling of cable core units Patent #: 4273597 InventorAssigneeApplicationNo. 06/487739 filed on 04/22/1983US Classes:427/117, Wire conductor118/420, Strand form work118/429, With tank structure, liquid supply, control, and/or nonradiant heating means427/120, Heat utilized427/185, Fluidized bed utilized427/195Synthetic resin particlesExaminersPrimary: Lusignan, Michael R.Assistant: Bueker, Richard Attorney, Agent or FirmInternational ClassesB29C 41/08 (20060101)B29C 41/10 (20060101) B05C 19/00 (20060101) B05C 19/02 (20060101) B05D 7/20 (20060101) AbstractMethod and apparatus for filling a cable core unit with powder in a fluidized bed in which the unit is vibrated laterally by introducing energy pulsations into the bed, the pulses being transmitted as successive waves through the powder particles to transfer the energy to the unit and set up the vibration. In preferred constructions, the pulsations are set up by a reciprocating piston means disposed beneath the upper surface of the powder. There may be two or more piston means spaced in the feed path direction for the unit or a single piston extending. | |
