Composite cast iron drier roll

Details Composite cast iron drier roll Composite cast iron drier roll

1976-09-30

1977-12-27

Steiner, Arthur J.

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

427 34, 427236, 428457, 428678, 428679, 428684, B32B 1518

Patent

active

040646084

ABSTRACT:
A drier roll having a ferrous metal surface is provided with a surface coating of a hardfacing alloy, the ferrous metal surface having a thermal conductivity relative to silver taken as 1 cal/cm.sup.2 /cm/.degree. C/sec of at least about 0.06, the hardfacing alloy being a hardfacing heat, corrosion and wear resistant iron-group metal-base alloy mechanically and metallurgically bonded to said ferrous metal surface which is preferably made of cast iron, the hardfacing alloy coating having a thickness ranging from about 0.01 to 0.15 inch, the thermal conductivity of said coating being at least 0.05.

REFERENCES:
patent: 2576036 (1951-11-01), Ostertag et al.
patent: 3378392 (1968-04-01), Longo
patent: 3455019 (1969-07-01), Quaas
patent: 3645861 (1972-02-01), Garvey
patent: 3754968 (1973-08-01), Reznik
patent: 3775241 (1973-11-01), Justus et al.
patent: 3974555 (1976-08-01), Strohmeier et al.

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