Method for manufacturing a roll for use in the production of pap

Details Method for manufacturing a roll for use in the production of pap Method for manufacturing a roll for use in the production of pap

1996-10-18

1998-11-03

Bareford, Katherine A.

Coating processes

Spray coating utilizing flame or plasma heat

Metal oxide containing coating

427453, 427343, C23C 418

Patent

active

058305378

ABSTRACT:
A method for manufacturing a roll for use in the production of paper in which the roll is coated by thermal spraying. A sealing-agent solution is spread onto a coating of the roll which is produced by thermal spraying to seal pores in the coating, the sealing-agent solution is then allowed to be absorbed into the pores in the coating. The roll is heated in order to eliminate the water from the sealing-agent solution, and upon elimination of the water, the sealing-agent solution crystallizes in the pores in the coating after which the roll is allowed to cool. A roll for use in the production of paper having a frame and a roll coating produced by thermal spraying. The coating is sealed by crystals formed out of a sealing-agent solution after the elimination of water therefrom. A coating for a roll for use in the production of paper produced by thermal spraying and having pores. In order to seal the coating, a sealing agent is crystallized in the pores in the coating.

REFERENCES:
patent: 3944683 (1976-03-01), Church et al.
patent: 5123152 (1992-06-01), Tenkula et al.
patent: 5171404 (1992-12-01), Ellis et al.
patent: 5257966 (1993-11-01), Watanabe et al.
patent: 5411462 (1995-05-01), Link

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