Headbox

Details Headbox Headbox

D - Textiles, Paper

21

F

92/17.1

D21F 1/02 (2006.01)

Patent

CA 1320860

ABSTRACT A headbox comprising an inlet chamber communicating with a source of fiber suspension, an outlet chamber with a discharge opening for the fiber suspension and a diffuser to establish a fluid path between the inlet and the outlet chambers. The diffuser includes a cluster of tubes, each being divided in two successive portions of larger cross- sectional area separated by a step-like transition. Each tube comprises a stem mounted in the initial portion thereof to define a ring shaped fiber suspension passage.

579854

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