| 摘要 |
PROBLEM TO BE SOLVED: To provide a wooden floor material represented by a wooden pure floor material and subjected to combined construction, effectively applicable to any raw materials while allowing anyone to set it in a beautiful appearance and remove and construct it again when necessary. SOLUTION: Floor materials having two types of shapes are alternately combined together. The shapes are easier to stabilize and form compare with conventional ones. A counter sunk portion such as a screw stop and a cover for blocking the portion exist for simplified construction, re-construction and recycling. It is not necessary that the two types of floor materials have the same raw material and the same size. This easily provides additional visual performance. COPYRIGHT: (C)2007,JPO&INPIT
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