| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a floor pan structure for a bathroom unit, capable of securing a storage space on the reverse side of a floor pan and of securing the drainage performance of the floor pan as well, while keeping a sill at a predetermined height or smaller. <P>SOLUTION: A floor pan 1 as an approximate rectangular in a planar view has a drain port 13 formed near the middle of one of four sides constituting the outer periphery thereof to join a drain trap, and inclined surfaces 185, 186, 187 having drainage slopes toward the drain port 13 and formed in a region from the outer periphery to the drain port 13 so as to change the drainage slopes. <P>COPYRIGHT: (C)2013,JPO&INPIT |
