| 摘要 |
PROBLEM TO BE SOLVED: To provide a Tenshoseki (hornfels) slab unit, a floor unit for bedrock bath, and a box for the bedrock bath formed for allowing persons to readily and easily take a bedrock bath using Tenshoseki at home or its suburban area. SOLUTION: This Tenshoseki slab unit is provided with a molding box constituted into a box shape, concrete mortar filling the molding box, and a plurality of Tenshoseki slabs formed planarly and having different thicknesses. This Tenshoseki slab unit is characterized in being formed by bedding the planarly formed Tenshoseki slabs on the molding box with its front face turned down, filling the concrete mortar to form a Tenshoseki slab unit material, curing and solidifying it for a prescribed time, and demolding the Tenshoseki slab unit material from the molding box. COPYRIGHT: (C)2007,JPO&INPIT
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