COLLAPSIBLE MATERIAL CONTAINING UNEXPANDED VERMICULITE PARTICLES , PLACEMENT RACK THAT BREAKS DOWN DURING INCINERATION AFTER PREDETERMINED TIME PERIOD, LOST-WAX MOLD, AND MOLD COLLAPSING METHOD

Disclosed is a collapsible material comprising a base formed of a hydrate of a hydraulic material (such as cement or gypsum) and unexpanded vermiculite particles dispersed in the base, wherein a coating film comprising at least any one of a hydrate of the hydraulic material, silica powder and dolomi...

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Bibliographische Detailangaben
Hauptverfasser:	OSAWA, YOZABURO, SHIRASAKI, KAZUO
Format:	Patent
Sprache:	eng
Schlagworte:	ARTIFICIAL STONE BLASTING CASTING CASTING OF METALS CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES CEMENTS CERAMICS CHEMISTRY COMBUSTION APPARATUS COMBUSTION PROCESSES COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE CONSUMING WASTE PRODUCTS BY COMBUSTION CREMATION FURNACES FOUNDRY MOULDING HEATING LIGHTING LIME, MAGNESIA MECHANICAL ENGINEERING METALLURGY PERFORMING OPERATIONS POWDER METALLURGY REFRACTORIES SLAG TRANSPORTING TREATMENT OF NATURAL STONE WEAPONS
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Beschreibung
Zusammenfassung:	Disclosed is a collapsible material comprising a base formed of a hydrate of a hydraulic material (such as cement or gypsum) and unexpanded vermiculite particles dispersed in the base, wherein a coating film comprising at least any one of a hydrate of the hydraulic material, silica powder and dolomite is formed on the surface of the base, wherein the base is collapsed by use of thermal expansion of the unexpanded vermiculite particles. Further disclosed is a placement rack such as a fire grate for use in a cremation process, comprising the collapsible material as defined above, for placing an object to be incinerated thereon.