Creping blade

Details Creping blade Creping blade

2007-07-17

2007-07-17

Halpern, Mark (Department: 1731)

Paper making and fiber liberation

Apparatus

Web creping or crinkling type

C162S280000, C015S256500

Reexamination Certificate

active

10807397

ABSTRACT:
A blade for creping has been described. The blade according to the invention has a ceramic top layer covering the working edge of the blade, as well as the surface upon which the web impacts during creping. The ceramic top layer is a ceramic composition having a content of chromia. Preferably, the ceramic composition of the top layer comprises chromia-titania, with a titania content of up to 25% by weight, and preferably between 10% and 15% titania.

REFERENCES:
patent: 3688336 (1972-09-01), Costello, Jr. et al.
patent: 5727468 (1998-03-01), Blackwell
patent: 6074526 (2000-06-01), Marinack
patent: 6207021 (2001-03-01), Eriksson et al.
patent: 2 128 551 (1984-05-01), None
patent: WO 97/22729 (1997-06-01), None
patent: WO 99/64674 (1999-12-01), None

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