SEAL RING FOR ARC FURNACE Russian patent published in 2013 - IPC F27B3/10 H05B7/12 F16J15/00 

FIELD: metallurgy.

SUBSTANCE: seal ring is made from metal alloy wherein first metal is copper and second metal is silver. Note here that said weight ratio of said components makes 97% of copper and 0.05-0.5% of silver. Seal ring every segment has two converging engagement elements to be engaged with the help of complementary converging appliances so that said segments get tightened toward each pother in fitting seal ring in place. Seal ring comprises sealing appliances arranged between seal ring and contact shoe.

EFFECT: good conductivity and mechanical strength at increased temperatures.

5 cl, 10 dwg