F - Mech Eng,Light,Heat,Weapons – 27 – D
Patent
F - Mech Eng,Light,Heat,Weapons
27
D
39/83
F27D 1/00 (2006.01) C21B 9/02 (2006.01)
Patent
CA 1122004
ABSTRACT A refractory brick wall has in it an opening and a pressure reliev- ing gable above the opening comprising a plurality of gable bricks. Each gable brick has a height greater than that of the bricks of which the wall is composed, a surface inclined to the horizontal opposed to a similar sur- face of the adjacent gable brick, and a horizontal surface opposed to a horizontal surface afforded by a brick forming part of the wall within the gable. Compressible refractory felt is situated in the space between the two said horizontal surfaces.
335458
Ambrosius Erich
Laux Walter
Zettel Martin
Didier-Werke A.g.
Fetherstonhaugh & Co.
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