Paper making and fiber liberation – Apparatus – Apparatus repair – cleaning or conditioning
Reexamination Certificate
2007-11-27
2007-11-27
Halpern, Mark (Department: 1731)
Paper making and fiber liberation
Apparatus
Apparatus repair, cleaning or conditioning
C162S199000, C162S274000, C162S275000
Reexamination Certificate
active
10792234
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 (1997-04-01), None
patent: WO 98/45534 (1998-10-01), None
Cirocki Pawel
Perry Peter E.
Rivard James P.
Weinstein David I.
Breininger Thomas M.
Dimattia Peter A.
Halpern Mark
Martin Michael B.
Nalco Company
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