Distillation: apparatus – Apparatus – Elements
Patent
1976-07-06
1977-07-05
Scovronek, Joseph
Distillation: apparatus
Apparatus
Elements
110173R, 202242, C10B 2506
Patent
active
040338282
ABSTRACT:
A coke oven door seal of the disclosure includes a metallic diaphragm plate of a vertically elongated rectangular shape and metallic seal members mounted on the edge portions of the plate in a manner that permits thermal expansion of the seal members along their lengths with respect to the plate edge portions. Preferably, each seal member has an integral channel shape, and first and second aligned sets of holes in the plate edge portions and the bases of the seal members receive attachment bolts for mounting the seal members with their bases engaged with an inner side of the diaphragm plate. One of the sets of holes is oversized along the length of the seal members to permit the thermal expansion thereof with respect to the plate. Best sealing is achieved when the oversized set of holes is in the seal member bases so that the attachment bolts do not move during seal member expansion. The longer seal members extending along the side edge portions of the diaphragm plate have ends that extend to the upper and lower edge portions of the plate while the shorter seal members extending along the upper and lower edge portions of the plate have ends that terminate in engagement with the sides of the longer seal member ends so as not to interfere with the thermal expansion of the longer seal members.
REFERENCES:
patent: 2236092 (1941-03-01), Freeman
patent: 3505174 (1970-04-01), Peterson et al.
patent: 3875018 (1973-04-01), Calderon
patent: 3952454 (1976-04-01), Sudo
patent: 3974038 (1976-08-01), Tucker
Morrow William K.
Peterman, Jr. Walter B.
Phillips Roger F.
Scovronek Joseph
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