Metal deforming – By use of roller or roller-like tool-element – With modification or control of temperature of work – tool or...
Patent
1997-03-03
1998-01-27
Larson, Lowell A.
Metal deforming
By use of roller or roller-like tool-element
With modification or control of temperature of work, tool or...
72 122, 723425, 723426, B21B 2706, B21B 3700, B21D 3716
Patent
active
057111758
ABSTRACT:
A roller table provides a hot material path and heat insulating panels are disposed below that path, between successive rollers of the table. The panels are displaceable between a raised, operative position close to the hot material path and a lower, inoperative position in which the panel upper faces are turned away from said path. The panels remain within the width of the roller table when they are so retracted. Further heat insulating panels are displacably mounted on a frame above the path. Temperature sensing means with the top panels actuate the displacement of both the upper and lower panels.
REFERENCES:
patent: 3344648 (1967-10-01), Gray
patent: 4343168 (1982-08-01), Laws et al.
patent: 4452587 (1984-06-01), Laws et al.
patent: 4463585 (1984-08-01), Laws et al.
patent: 4499746 (1985-02-01), Laws et al.
patent: 4736608 (1988-04-01), Laws et al.
"Plant selection for hot strip mill upgrading: Prevention of heat loss using panels", reprinted from Steel Times, Sep. 1990.
Rolling, "Improved temperature distribution in a HSM using heat shields", reprinted from Steel Times, Jun., 1993.
"Benefits of heat conservation panels on British Steel's Ravenscraig hot strip mill", reprinted from Iron and Steel Engineer, 1992.
"Heat conservation during hot rolling of beams and sections: The Encoscreen", reprinted from Iron and Steel Engineer, Jan. 1990.
"Control of finishing temperature of Posco's No. 2 hot strip mill", reprinted from Iron and Steel Engineer, 1991.
"Improving hot mills from Encopanels", reprinted from Steel Times, Jul. 1989.
Laws William Robert
Reed Geoffrey Ronald
Butler Rodney A.
Encomech Engineering Services Ltd.
Larson Lowell A.
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