| 摘要 |
PROBLEM TO BE SOLVED: To provide a method for simply producing a decorative sheet which well follows a curved surface, can be used as a floor decoration sheet, and is covered completely with natural stones. SOLUTION: A sheet base material 11 is mounted on a slantable stand 3, and the surface is coated with an elastic adhesive 1-3 mm in thickness. Porous lava particles 2 5-20 mm in particle size are dropped on the surface of the sheet base material 11 to be adhered to an adhesive layer. The sheet base material 11 is slanted, and the free lava 2 particles are removed to be recovered. Next, fine lave 21 particles at most 5 mm in particle size are scattered on the sheet base material 11 and packed in the gaps of the adherent lava 2 particles to be contacted with the adhesive to coat the surface of the sheet base material 11. The stand 3 is slanted again to recover the excess lava 21 particles into a recovery box 31.
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