Paste-like mixture feed device
October 16, 2009. 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 ReferencesMethod and apparatus for supplying white water from a single silo in the formation of a multi-ply web Installation for charging a multi-ply headbox for papermaking machines Method of bleaching paper pulp by blending chlorine with a flow volume of paper pulp slurry Control system for a multilayer headbox using an ultrasonic transducer Flow restraining elements in the headbox of a paper machine Flow restraining elements in the headbox of a paper machine Patent #: 4765868 InventorAssigneeApplicationNo. 422050 filed on 10/16/1989US Classes:162/258, Of stock consistency162/343With vanes or pulp stream dividing meansExaminersPrimary: Hastings, Karen M.Attorney, Agent or FirmForeign Patent References
International ClassD21F 001/08AbstractA feed device for paste-like mixtures such as paper pulp is designed to form a flat film of paste through at least one nozzle at the outlet from a distribution chamber. Paste-like mixture feed circuits discharge into the distribution chamber and each circuit comprises a liquid feed channel and a concentrated paste feed channel each incorporating a flowrate adjuster valve and connected downstream of the valves by a mixer. The mixer comprises an outlet connected to an inlet of the distribution chamber. The distribution chamber comprises ejection channels delimited by longitudinal partitions. Each circuit is in corresponding relationship with one ejection channel. | |
