MOLDING BASE FOR MANUFACTURE OF REINFORCED-CONCRETE PRODUCTS ON LONG BEDS

manufacture of building products, in particular, heat treatment of concrete and reinforced-concrete products on long beds. SUBSTANCE: the molding bed has a stiff reinforced-concrete slab, heating element and metal plates, successively placed on the reinforced-concrete slab are heatinsulating materia...

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Bibliographische Detailangaben
Hauptverfasser: SELJAEV V.P, BORMUSOV JU.A, KUCHIKHIN S.N, AGUSHEV V.L
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:manufacture of building products, in particular, heat treatment of concrete and reinforced-concrete products on long beds. SUBSTANCE: the molding bed has a stiff reinforced-concrete slab, heating element and metal plates, successively placed on the reinforced-concrete slab are heatinsulating material of a layer of foam concrete and stiff mineral wool plates, each enclosed in a water-proofing envelope, for example, of polyethylene, concrete covering placed on whose surface in a wave-like manner is the heating element in the form of an electric heating cable with a wavelength of 2-3 m, amplitude of 0.1-0.2 m, and the distance between the cables and the plate edges equals 48-52 mm, and 88-92 mm in the middle of the plate, layer of fine-grained concrete and metal covering plates. EFFECT: saved heat and created favorable heat-moisture conditions. 1 dwg