FIELD: building industry, namely apparatuses for making refractory materials, possibly for agitating mixtures. SUBSTANCE: mixer vane has rod joined with housing in the form of blade. Said blade has at least on one of flat surfaces reinforced layer whose area consists no less than 30% of side surface area of blade. Surface hardness of reinforced layer is no less than 260 HV. Depth of reinforced layer is no less than 0.001 of blade thickness. EFFECT: enhanced strength of blade. 4 cl, 1 dwg, 1 ex
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Authors
Dates
2003-03-10—Published
2001-05-08—Filed