F - Mech Eng,Light,Heat,Weapons – 27 – D
Patent
F - Mech Eng,Light,Heat,Weapons
27
D
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
Buhring Otto
Dreessen Gerardus J.w.
Groeneveld Jacob W.h.
Queck Robert
Thome Heinrich
Fetherstonhaugh & Co.
Hoechst Aktiengesellschaft
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