Arc furnace roof

F - Mech Eng,Light,Heat,Weapons – 27 – D

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307/16

F27D 1/02 (2006.01) F27B 3/16 (2006.01)

Patent

CA 1137145

ARC FURNACE ROOF ABSTRACT OF THE DISCLOSURE: The invention relates to an arc furnace roof. The roof is comprised of a metal cover which is bolt- connected to the furnace shell. Secured to the lower side of the cover is a plurality of shackle hooks, each of said shackle hooks having an anchor bolt hooked therein. The metal cover has a first layer of insulating concrete applied to its lower side and a second layer of refractory concrete applied to the hard first layer of insulating concrete, the two layers of insulating and refractory concrete, respectively, embedding the shackle hooks and anchor bolts.

352105

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