Apparatus for measuring the permeability of a circulating...

Details Apparatus for measuring the permeability of a circulating... Apparatus for measuring the permeability of a circulating...

2007-07-31

2007-07-31

Williams, Hezron (Department: 2856)

Measuring and testing

With fluid pressure

Porosity or permeability

Reexamination Certificate

active

10942385

ABSTRACT:
An apparatus for measuring the permeability of a circulating band, in particular of a dewatering band in a papermaking machine, having a nozzle from which a measuring fluid flows onto the band. In order to avoid undesired lifting of the nozzle off the band due to pressure peaks, the apparatus according to the present invention has a nozzle which can be pressed onto the circulating band with a constant contact pressure.

REFERENCES:
patent: 3762211 (1973-10-01), Poulsen
patent: 4880499 (1989-11-01), Pikulik
patent: 4991425 (1991-02-01), Gulya et al.
patent: 5725737 (1998-03-01), Pikulik et al.
patent: 6266999 (2001-07-01), Arnshav
patent: 6971261 (2005-12-01), Ischdonat et al.
patent: 2005/0145358 (2005-07-01), Ischdonat et al.

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