Metal deforming – By use of roller or roller-like tool-element – With modification or control of temperature of work – tool or...
Patent
1990-07-26
1992-04-07
Larson, Lowell A.
Metal deforming
By use of roller or roller-like tool-element
With modification or control of temperature of work, tool or...
72202, B21B 2706
Patent
active
051016524
ABSTRACT:
An insulating heat re-radiation - retention and infiltration air free system and method is provided for processing heated articles, including upper and lower heat shields to form, in combination with spaced apart rollers employed to support the articles, a substantial infiltration air-free enclosure, each of the heat shields are made-up of substantially high purity 100% ceramic fiber which is relatively non-porous and gap free and having fiber hot faces, the fiber of the heat shields being compressed and maintained in a high density condition, the fiber of the lower heat shield being formed to contact the circumferences of the rollers in a manner to prevent air from passing into the enclosure, the upper and lower heat shields being maintained in close proximity with the heated articles.
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"Theory and Design of Reradiating Type Heat Retention Panels", Ginzburg et al., Iron and Steel Engineer, Rolling Mill Issue, Dec. 1989, pp. 17-25.
"Thermal Insulation of Hot Mill Roller Tables", Laws (Source date unknown) pp. 272-276.
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Iron and Steel Engineers, Published Dec., 1979 Entitled: "Jet Heat Recuperation of Waste Furnace Gases on Strip Lines" By W. M. Bloom.
Bloom William M.
Burk David L.
Havranek Terence L.
Allegheny Ludlum Corporation
Larson Lowell A.
McKeon Michael J.
Viccaro Patrick J.
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