Roll for use in heat treating furnace and method of producing th

Details Roll for use in heat treating furnace and method of producing th Roll for use in heat treating furnace and method of producing th

1990-08-09

1991-12-10

Goldberg, Howard N.

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

B21B 3108, B60B 500, B60B 2100

Patent

active

050705873

ABSTRACT:
In order to prevent production of build-up resistance and wear resistance on a roll for use in heat treating furnace effectively, an alloy layer, a cermet sprayed layer having reinforced zone and a chemical conversion coating are provide in this order on a roll substrate to form a multi-coating layer.

REFERENCES:
patent: 4391879 (1983-07-01), Fabian et al.
patent: 4909485 (1990-03-01), Yamaguchi et al.
Japanese Pat. Laid-Open No. 61-23,755, No. 60-141,871, No. 49-81,236, No. 58-141,338 and No. 63-487.

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