C - Chemistry – Metallurgy – 10 – B
Patent
C - Chemistry, Metallurgy
10
B
202/45
C10B 25/20 (2006.01) C10B 25/24 (2006.01) C10B 27/06 (2006.01)
Patent
CA 1127588
FABRICATED OPENING COVER AND COVER ASSEMBLY (Abstract of the Disclosure) A cover and cover assembly fabricated from steel plate for selectively covering an opening communicating with a coke oven and cooperable with seal rim sealing surface which surrounds the opening. The cover includes a knife-like sealing edge which engages the seal rim sealing surface to provide a primary seal therefor. An area on the cover peripheral surface is generally compatible with an area of the seal rim sealing surface for providing a secondary seal. In one instance, the knife-like sealing edge supports the cover in a manner such that compatible sealing rim and cover surfaces are slightly spaced apart from each other. Tar, pitch, residue and by-products of the coking operation which may by-pass the primary seal accummulate in this gap area at the start of a coking operation to complete the secondary seal. In another instance, the compatible seal rim and cover surfaces comprise shoulders which engage each other substantially simultaneous with engagement between the cover sealing edge and seal rim sealing surface. For some applications, an elongated cover handle is affixed to the cover and pivotally mounted to some structure adjacent the sealing rim. The handle also includes spaced apart cover contact means to assist in properly locating the cover in its covering relationship with the opening. At least some of these contact means may be selectively adjustable in order to accommodate any variations in cover alignment.
338194
Campana Patsie C.
Ridout & Maybee Llp
LandOfFree
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