Cermet sprayed coating roll with selected porosity and surface r

Details Cermet sprayed coating roll with selected porosity and surface r Cermet sprayed coating roll with selected porosity and surface r

1988-09-27

1990-04-03

Eley, Timothy V.

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

29110, 427423, 427427, B21B 2702, B05D 110

Patent

active

049128353

ABSTRACT:
A roll for use in rolling process is disclosed. The roll is provided with a sprayed coating of cermet in such a way that a porosity of the sprayed coating of for example a compound of tungsten carbide and cobalt and nickel-chromium cermet is selected less than 1.8% and a surface roughness Rmax of the sprayed coating is selected less than 3.0 .mu.m.

REFERENCES:
patent: 4478871 (1984-10-01), Sakaguchi et al.
patent: 4491082 (1985-01-01), Barch et al.
patent: 4521184 (1985-06-01), Samuel et al.
patent: 4588608 (1986-05-01), Jackson et al.
patent: 4588655 (1986-05-01), Kushner
patent: 4600599 (1986-07-01), Wallsten
patent: 4666733 (1987-05-01), Wlodek
patent: 4678717 (1987-07-01), Nickola et al.
patent: 4701356 (1987-10-01), Bose et al.
patent: 4731253 (1988-03-01), DuBois
patent: 4771524 (1988-09-01), Barbezat et al.
patent: 4787837 (1988-11-01), Bell

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