Apparatus for inside-outside tube quenching

Details Apparatus for inside-outside tube quenching Apparatus for inside-outside tube quenching

1987-02-20

1989-05-30

Brody, Christopher W.

Metallurgical apparatus

With control means responsive to sensed condition

With means responsive to condition of treated material

266117, 266259, C21D 908

Patent

active

048343447

ABSTRACT:
An inside-outside quench arrangement is disclosed for long steel pipe which utilizes a tangential quench arrangement to cool the pipe's outside surface and an axial flow nozzle to cool the pipe's inside surface at approximately the same cooling rate. The O.D. quench arrangement includes a manifold carrying jet nozzles circumscribing the pipe which can be pivoted apart to permit a four-bar linkage mechanism to smoothly and efficiently transfer the pipe into and out of the arrangement for quenching. A roller drive arrangement rotates the pipe in a longitudinally stationary position to minimize pipe bow and enhance pipe cooling.

REFERENCES:
patent: 2882191 (1959-04-01), Van Swaal
patent: 3671028 (1972-06-01), Hemsath
patent: 3804390 (1974-04-01), Jennings et al.
patent: 3997375 (1976-12-01), Franceschina et al.
patent: 4032369 (1977-06-01), Jatczak et al.
patent: 4116716 (1978-09-01), Itoh et al.
patent: 4417928 (1983-11-01), Heine, Jr. et al.
patent: 4458885 (1984-07-01), Aiuta et al.
patent: 4490187 (1984-12-01), Kruppert

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