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2 125 104

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IPC

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Application

97116621/02, 1997-10-07

(22)

Actual filing date

1997-10-07

(45)

Published

1999-01-20

(72)

Inventor

Mishin M.P.Sarychev A.F.Lebedev S.A.Naumenko V.D.Zakharova E.D.Zajtsev A.V.

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo Metallurgicheskij Kombinat"

METHOD OF ANNEALING COILS IN BELL-TYPE FURNACE Russian patent published in 1999 - IPC

Abstract RU 2125104 C1

FIELD: heat treatment of metals and alloys; may be used in annealing of plate coils in three-stack bell-type furnaces with gas heating. SUBSTANCE: method consists in formation of stacks of coils, installation of muffles and a bell with burners, annealing, removal of bell and cooling of stacks under muffles. After disconnection of burners, the bell is held on furnace stand for 5-6 h. EFFECT: production of metal with uniform mechanical properties with high-quality surface. 1 tbl

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RU 2 125 104 C1

Authors

Mishin M.P.

Sarychev A.F.

Lebedev S.A.

Naumenko V.D.

Zakharova E.D.

Zajtsev A.V.

Dates

1999-01-20—Published

1997-10-07—Filed

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