Roll for directly contacting a web

Details Roll for directly contacting a web Roll for directly contacting a web

1989-04-28

1991-02-05

Rosenbaum, Mark

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

B21B 3108

Patent

active

049893068

ABSTRACT:
The present invention concerns a roll used in the manufacture of paper, for example a central roll in a press or a calender roll, with which the web is in direct contact and from which the web is detached. A coating has been formed onto a cylinder mantle of the roll, the coating being partly made of metal and also including a ceramic material. An outer face of the coating is formed of carbide-rich areas and of matrix areas placed between the carbide-rich areas. The present invention also concerns a method for manufacturing such a roll.

REFERENCES:
patent: 4548653 (1985-10-01), Bocquet et al.
patent: 4697320 (1987-10-01), Ishihara et al.
patent: 4727740 (1988-03-01), Yabuki et al.
patent: 4748736 (1988-06-01), Miihkinen
patent: 4793041 (1988-12-01), Jenkins et al.
patent: 4794680 (1989-01-01), Meyerhoff et al.
patent: 4796342 (1989-01-01), Miihkinen
patent: 4839949 (1989-06-01), Sobue et al.
patent: 4856161 (1989-08-01), Miihkinen

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