| 摘要 |
PROBLEM TO BE SOLVED: To provide a drainage material for a floor, which is not forced to be used in the state of the absence of a lid body because the lid body comes off due to walking or is carried away for fun. SOLUTION: This drainage material for the floor comprises a flat groove forming portion 11 in which side wall portions 11b and 11c are formed at both the side edges of a bottom wall portion 11a, respectively, and a lid portion 12 which is attached to the groove forming portion 11 in a covering manner. The groove forming portion 11 and the lid portion 12 are integrally molded together. Thus, a side edge 12b of the lid portion 12 is integrally and swingably attached to one 11b of the side wall portions of the groove forming portion 11 throughout the longitudinal length of the drainage material 1 for the floor. COPYRIGHT: (C)2008,JPO&INPIT
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