Paper making and fiber liberation – Processes and products – Non-uniform – irregular or configured web or sheet
Patent
1997-02-03
1998-05-19
Czaja, Donald E.
Paper making and fiber liberation
Processes and products
Non-uniform, irregular or configured web or sheet
264282, 162280, B31F 112, B31F 114
Patent
active
057530769
ABSTRACT:
Creping doctor blades useful for making soft tissues are substantially improved by ion nitriding the surface(s) of the doctor blade to produce a hardened surface while retaining the resilient interior of the non-treated blade. The resulting blades have approximately a three-fold increase in blade life.
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Weck, M. and K. Schlotermann, "Plasma Nitriding to Enhance Gem Properties," Industrie-Anzeiger, Nr. 13 v. 16. 2. 1983/105. Jg, pp. 27-31.
Alberts Clifford Lee
Costello Peter King
Czaja Donald E.
Fortuna Jos'e A.
Kimberly--Clark Worldwide, Inc.
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