Method for the heat treatment of metal strip

Details Method for the heat treatment of metal strip Method for the heat treatment of metal strip

1979-08-03

1981-06-02

Dean, R.

Metal treatment

Process of modifying or maintaining internal physical...

Chemical-heat removing or burning of metal

148155, 148156, 266102, 266103, 266110, 266111, 432 8, 432 58, 432145, C22F 104, C21D 946

Patent

active

042709598

ABSTRACT:
During the process in which a metal strip is moved in a floating condition, the metal strip is first heated, and thereafter cooled and annealed. In heating the metal strip, the metal strip is heated so that a central portion widthwise thereof is increased in temperature more than that of both edges widthwise thereof. The metal strip is heated in a manner as described whereby a great thermal stress is not introduced in the metal strip and consequently, there is less possibility to produce wrinkles in the metal strip.

REFERENCES:
patent: 1948173 (1934-02-01), Hagan
patent: 2205915 (1940-06-01), Wean et al.
patent: 2319302 (1943-05-01), Cook
patent: 2673080 (1954-03-01), Hepburn et al.
patent: 2983497 (1961-05-01), Dailey
patent: 3048383 (1962-08-01), Champlin
patent: 3877867 (1975-04-01), Tscuchiya et al.
patent: 4106757 (1978-08-01), Jackson
patent: 4148600 (1979-04-01), Croft et al.

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