A technical solution making racks for rolling multitier stacks more efficient for firing ceramics is presented. A rack possesses a horizontal shelf in the form of a quarter-square or -disk and a vertical bearing shape. To increase heat-resistance, decrease mass, and conserve furnace space the shape is hollow with two flat walls joined at 90° and additionally connected by a curvilinear, concave, vertical wall. To increase the effectiveness of the rack and the stability of the stack the rectilinear faces of the rack are equipped at the base with r-shaped protrusions vertically oriented along the faces to form scarf joints with similar protrusions on the rectilinear faces of the adjoining supports, while the carrying section of the racks decreases in steps along the vertical position in the stack.
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Translated from Steklo i Keramika, No. 3, pp. 25 – 27, March, 2011.
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Kryuchkov, Y.N. Improvement of kiln furniture for firing ceramic articles. Glass Ceram 68, 95 (2011). https://doi.org/10.1007/s10717-011-9330-z
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DOI: https://doi.org/10.1007/s10717-011-9330-z