Composite metallic roll with release surface and method of makin

Details Composite metallic roll with release surface and method of makin Composite metallic roll with release surface and method of makin

1974-03-05

1976-03-09

Lusignan, Michael R.

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

291484D, 100155R, 432 60, 427 34, 427405, 427409, 427423, B21B 3108

Patent

active

039422305

ABSTRACT:
A composite metallic roll or other member comprising a body member of a base metal, a porous plasma flame spray plate of a nickel chromium alloy, and a continuous film of a Teflon deposited over said plate and impregnating the same for gradual exposure over a predetermined life. The corresponding method comprises the steps of applying the plasma flame spray plate with a porous finish and a subsequent application of a thin uniform deposit of a Teflon (tetraflouroethylene). The Teflon is thereupon heated to and is above its fusion temperature whereby to provide an impregnate film for gradual exposure over a predetermined life.

REFERENCES:
patent: 3271653 (1966-09-01), Wolf
patent: 3419414 (1968-12-01), Marks
patent: 3437032 (1969-04-01), Manghirmalani et al.
patent: 3773544 (1973-11-01), Newton et al.
patent: 3776760 (1973-12-01), Baker et al.

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