D - Textiles, Paper
21
F
D21F 1/02 (2006.01)
Patent
CA 2044734
ABSTRACT OF THE DISCLOSURE A headbox for a paper machine with a stock channel featuring an outlet gap. The stock channel is preceded by a turbulence generator in the form of a machinewide bundle of many turbulence pipes. The turbulence generator is composed of two or three machinewide layers of turbulence pipes. The turbulence pipes of adjacent layers differ primarily by different flow cross sections, preferably also by different axial spacings a, A.
Kade Werner
Mccarthy Tetrault Llp
Voith (j.m.) G.m.b.h.
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