Paper making and fiber liberation – Apparatus – Running or indefinite length product forming and/or treating...
Patent
1988-08-03
1989-12-05
Hastings, Karen M.
Paper making and fiber liberation
Apparatus
Running or indefinite length product forming and/or treating...
162216, 162336, D21F 102
Patent
active
048850608
ABSTRACT:
Flocs of papermaking fiber are dispersed by a multiplicity of white-water jets directed into a papermachine headbox prior to the slice opening. Jet direction is oriented counterflow to the papermaking stock slice flow to create maximum turbulence, fluid shear and energy dissipation. Such jets issue from nozzle orifices in the slice profiling bar and are supplied with fluid through a two-stage manifold system. To preserve vertical plane pliability of the conduit-connected profiling bar, section area of the profiling bar between nozzles is minimized. Self sealing, push fit, fluid conduit connections with the jet nozzle orifices are made with flexible conduits between a sectional bar type of intermediate header and the profiling bar.
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Beran Robert L.
DeLigt John
Hastings Karen M.
Marcontell W. A.
Schmalz R. L.
Westvaco Corporation
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