Process for the handling and heat treatment of cast iron or stee

Details Process for the handling and heat treatment of cast iron or stee Process for the handling and heat treatment of cast iron or stee

1982-04-30

1983-08-30

Sheehan, John P.

Metal treatment

Compositions

Heat treating

148 20, C21D 148

Patent

active

044014783

ABSTRACT:
Concave rails 17, upon which a pipe which is to be treated by at least partial immersion can be placed, are fixed in the bottom of a furnace 1 which contains a treatment bath M. In order to guarantee that the pipe is immersed over the whole of its cross section and in order to eliminate the risk of it becoming oval, the furnace is subjected to alternating rotation about its axis XX, which compels the pipe to turn on itself by rolling on the rails 17. The handling of the pipe is achieved by arms 12 which are assembled in a pivoting manner on the external wall of the furance and controlled by an actuator 15.

REFERENCES:
patent: 4177088 (1979-12-01), Pierrel
patent: 4326699 (1982-04-01), Carneim et al.
patent: 4336924 (1982-06-01), Day
patent: 4353531 (1982-10-01), Pierrel et al.

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