Doctor blade purge system

Details Doctor blade purge system Doctor blade purge system

2007-12-18

2007-12-18

Halpern, Mark (Department: 1731)

Paper making and fiber liberation

Apparatus

Web creping or crinkling type

C162S280000, C015S256500, C118S413000

Reexamination Certificate

active

10935330

ABSTRACT:
A doctor blade holder comprises upper and lower mutually spaced jaw components defining a slot. A doctor blade is removably retained in the slot, and nozzles in one of the jaw components are arranged to direct fluid under pressure into the slot for application to the doctor blade.

REFERENCES:
patent: 3526017 (1970-09-01), Kleimola
patent: 6139638 (2000-10-01), Dubois et al.
patent: 0 442 165 (1990-12-01), None
patent: 1 123 751 (2001-02-01), None
patent: 886264 (1960-04-01), None
patent: WO 2004/067839 (2004-01-01), None

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