Refractory (technology) Terms
[A] [B] [C] [D] [E] [F] [G] [H] [I] [J] [K] [L] [M] [N] [O] [P] [Q] [R] [S] [T] [U] [V] [W] [X] [Y] [Z]
Jack arch
A sprung arch in which the outer surface is horizontal and the inner surface is either horizontal or arched with a large radius.
Jacket, Shell or Casing
The metal casing of the furnace enclosing the refractory brickwork.
Jamb
1. The vertical refractory brickwork of a furnace door or any other opening.
2. a vertical structural member forming the side of an opening in a furnace wall. Also for a type of refractory brick shapes, intended for use in sides of wall openings.
Jamb brick
1. A brick, generally square-shaped, with one side forming part of the oven wall and the side at right angles to it forming part of the outside wall of the battery.
2. a brick in which one end face is completely rounded off to join one side face.
Joint
A space between refractory bricks generally filled with refractory mortar / cement.
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