Apparatus for measuring paper web properties while in situ of th

Details Apparatus for measuring paper web properties while in situ of th Apparatus for measuring paper web properties while in situ of th

1993-05-13

1994-03-01

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

356429, G01N 2186

Patent

active

052910296

ABSTRACT:
An in situ traveling paper machine web is stabilized from flutter and vibration for the purpose of formation and optical property measurement by an air flow system by which a boundary layer air stream between a sole plate and the adjacent web surface secures the web in a stable position.

REFERENCES:
patent: 4288160 (1981-09-01), Lodzinski
patent: 4319847 (1982-03-01), Howarth
patent: 5159189 (1992-10-01), Anderegg et al.
patent: 5166536 (1992-11-01), Rye
Troubleshooting with Wet-End Tuning, O. Kalmes and D. Murdock, Paper (London) 202, No. 6: 18; Oct. 22, 1984.
M/K Systems Inc. On-Line Formation Tester (no date).
Instruction Manual for the M/K Systems, Inc. Machine Mounted, On-Line Formation Tester, Model M/K620, S#F2014, Jul., 1989.

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