Method and apparatus for heat-treating metallic material

Details Method and apparatus for heat-treating metallic material Method and apparatus for heat-treating metallic material

1978-02-02

1980-02-12

Rutledge, L. Dewayne

Metal treatment

Process of modifying or maintaining internal physical...

Chemical-heat removing or burning of metal

266129, 432230, C21D 100

Patent

active

041882431

ABSTRACT:
In the heat treatment (quenching treatment, tempering treatment, etc.) of long metallic material, such as, large diameter steel pipe or the like, in order to stabilize the speed of travel of the material through a heat treating zone, i.e., a zone including a heating unit, such as, an induction heating coil or gas burning type heating furnace and a following cooling unit of the type utilizing either one or both of air blast and water cooling, the material is gripped by two cars which are arranged respectively at the entry and delivery ends of the zone and the cars are moved, while supporting the material by a plurality of free rotatable rollers, so as to move the material at a desired speed. In this case, one of the cars is driven and the other car applies a braking force, thus moving the material at the desired speed through the zone.

REFERENCES:
patent: 3189490 (1965-06-01), Scott
patent: 3193270 (1965-07-01), Dewez, Jr. et al.

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