Definitions of Refractories, Refractory Lining and Products whose terms are starting with alphabet J

Refractory (technology) Terms

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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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