BELL-TYPE FURNACE FOR ANNEALING ROLL METAL Russian patent published in 2007 - IPC C21D9/673 

Abstract RU 2299915 C1

FIELD: modifying the physical structure of ferrous metals.

SUBSTANCE: bell-type furnace comprises bench, heating bell with burners, and muffle mounted on the bench and made of the bottom member shaped into a truncated cone and the top cylindrical member. The cylindrical member of the muffle is made of at least two parts. The thickness of the wall of each member increases along the muffle from top to bottom.

EFFECT: enhanced durability.

1 dwg

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RU 2 299 915 C1

Authors

Dolmatov Aleksandr Petrovich

Milovanov Aleksandr Anatol'Evich

Efremov Vladimir Aleksandrovich

Dates

2007-05-27Published

2005-10-31Filed