Surface-cleaning doctor for use in a papermaking operation and a

Details Surface-cleaning doctor for use in a papermaking operation and a Surface-cleaning doctor for use in a papermaking operation and a

1997-04-22

1999-08-31

Fortuna, Jose'

Paper making and fiber liberation

Processes and products

Conditioning, preparing or repairing of apparatus

162275, 162276, 162279, 162DIG7, 15345, 15346, A47L 514, D21F 700

Patent

active

059449560

ABSTRACT:
A doctor system (20) and an associated method for cleaning the moving surface (30) of a papermachine component (22) which is begrimed or wetted by a paper web (28) moved around the surface utilizes an air nozzle (54) supportable in a stationary condition adjacent the surface of the papermachine component for directing a stream of air in the form of a knife from a source generally toward the surface to dislodge grime and water from the surface. The system also includes a collection receptacle (68) positionable adjacent the nozzle for collecting grime and water which are dislodged from the surface by the air knife for disposal.

REFERENCES:
patent: 3013938 (1961-12-01), Justus et al.
patent: 3078496 (1963-02-01), Doran et al.
patent: 3198694 (1965-08-01), Justus
patent: 4556453 (1985-12-01), Meinecke
patent: 4904344 (1990-02-01), Peiffer
patent: 5232555 (1993-08-01), Daunais et al.
patent: 5519945 (1996-05-01), Ahvenniemi et al.
patent: 5603775 (1997-02-01), Sjoberg

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