Heat shield arrangements

Details Heat shield arrangements Heat shield arrangements

1986-02-04

1988-01-19

Combs, E. Michael

Metal deforming

With use of control means energized in response to activator...

Metal deforming by use of roller or roller-like tool element

72202, 72342, B21B 4300, B21B 4502

Patent

active

047197790

ABSTRACT:
A heat shield arrangement for a hot-rolling mill has thin-walled heat insulating panels above below and at the sides of a hot material path through the mill. The upper and/or side panels are adjustable in position to reduce the free space around the material on said path and so improve the view factor. The upper panels are suspended from carrier frames which can be raised to lift the panels clear. With the frames lowered, the upper panels are adjustable between a raised ambush position and a fully lowered operative position. Lowering the panels from the ambush position can be triggered by sensing the presence of the material so that the panels become fully effective as a strip of hot material begins to pass under them but are held sufficiently high before threading to avoid damage from a hot strip with a distorted leading edge.

REFERENCES:
patent: 3010344 (1961-11-01), Christensen
patent: 3264856 (1966-08-01), Layard
patent: 3344648 (1967-10-01), Gray
patent: 4343168 (1982-08-01), Laws et al.
patent: 4554812 (1985-11-01), Hirschmanner et al.
Patent Abstracts of Japan, vol. 7, No. 193 (M-238)[1338], Aug. 24, 1983, Kawasaki Seitetsu K. K., Title: Slow Cooler for Hot Rolled Steel Material.

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