FIELD: construction materials industry; production of the refractory ceramic checker bricks.
SUBSTANCE: the invention is pertaining to field of construction materials industry, in particular, to production of the refractory ceramic checker bricks. The technical result of the invention is creation of the possibility to clean the checker in the horizontal direction, to reduce the mass of the checker brick. The refractory ceramic checker brick has eight in series adjoining to each other at an angle of more than 90° walls limiting along the perimeter of the opened from the opposite sides space. The checker brick has the length, which is in several integer times bigger, then its width minus the depth of the one wall.
EFFECT: the invention ensures creation of the possibility to clean the checker in the horizontal direction and to reduce the mass of the checker brick.
15 cl, 5 dwg
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