Vari-flow headbox with large and small flow inlet systems

Details Vari-flow headbox with large and small flow inlet systems Vari-flow headbox with large and small flow inlet systems

1990-06-04

1990-12-25

Hastings, Karen M.

Paper making and fiber liberation

Apparatus

Running or indefinite length product forming and/or treating...

162336, 162347, D21F 102

Patent

active

049800272

ABSTRACT:
A stock delivery system is provided having a pair of inlet systems (one for large flow and one for small flow) selectively pivotally swung into operating position for charging a slurry through a perforated plate and into the following flow passage and slice which includes adjustments for optimum flow velocity by strategically-placed pivot points and adjusting mechanisms for controlling the heel and throat areas and the lip defining the slice.

REFERENCES:
patent: 3923593 (1975-12-01), Verseput
patent: 4804441 (1989-02-01), Lyytinen

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