Heat retaining means

Details Heat retaining means Heat retaining means

1985-11-04

1988-04-12

Spruill, Robert L.

Metal deforming

By use of roller or roller-like tool-element

With modification or control of temperature of work, tool or...

34242, 160332, 432 65, 432249, B21B 106, F27D 2300

Patent

active

047366087

ABSTRACT:
Screens for limiting heat losses from heated material, e.g. bars and slabs in rolling mills. Screens are provided in the form of strings of heat insulating bodies composed of metal shells containing insulating material. These screens may form curtains and/or covers for the hot material. Containing chambers for the hot material may be provided with such strings of elements and the chambers may also comprise structure for limiting heat conduction losses through the material supports therein. The screens may be collapsed over the hot material thereby completely surrounding and insulating the material from loss of heat. A displaceable chamber installation may also be provided for limiting heat loss when holding and transferring hot material between processing stages.

REFERENCES:
patent: 890252 (1908-06-01), Thompson
patent: 1128206 (1915-02-01), Wiegand
patent: 1361977 (1920-12-01), Fuller
patent: 1487794 (1924-03-01), Melann
patent: 1857729 (1932-05-01), Lindgren
patent: 1870080 (1932-08-01), Woodson
patent: 3172494 (1965-03-01), Cockerell
patent: 3967129 (1976-06-01), Winkler
patent: 3977458 (1976-08-01), Kuen
patent: 4529381 (1985-07-01), Michelson

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