Paper making and fiber liberation – Processes and products – Conditioning – preparing or repairing of apparatus
Reexamination Certificate
2007-10-16
2010-10-12
Halpern, Mark (Department: 1791)
Paper making and fiber liberation
Processes and products
Conditioning, preparing or repairing of apparatus
C162S272000
Reexamination Certificate
active
07811415
ABSTRACT:
A belt conditioning method, apparatus and paper machine employing the method and apparatus are provided. The belt method and apparatus include multiple conditioning devices using chemicals to condition water impermeable surfaces of paper machine belts, such as transfer belts and prevent deposits from accumulating on the belts. In one embodiment, the belt supports a web at a first portion of the belt's loop and is separated from the web at a second portion. The conditioning apparatuses are placed in the second portion.
REFERENCES:
patent: 3055496 (1962-09-01), Dunlap
patent: 4483745 (1984-11-01), Wicks et al.
patent: 5073235 (1991-12-01), Trokhan
patent: WO 97/13030 (1997-10-01), None
patent: WO 98/45534 (1998-10-01), None
Cirocki Pawel
Perry Peter E.
Rivard James P.
Weinstein David I.
Bishop Joshua D.
Halpern Mark
Martin Michael B.
Nalco Company
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