| 摘要 |
PROBLEM TO BE SOLVED: To secure the sufficient height of seal water while preventing the upsizing of a drain trap. SOLUTION: In the drain trap 1, a height adjusting member 60 is arranged to protrude toward a seal water chamber 11 in which a trap body 2 is formed. The member 60 has an adjusting section 62 which is mounted on the side part of the seal water chamber 11 in accordance with a communication port 15 of a drain branch pipe 14, and which surrounds the communication port 15 while holding an inflow space 80. The height H1 of the seal water with respect to the branch pipe 14 of the drain trap 1 is lowered up to a lower end 72A of an inclined part 72 of the adjusting section 62 by means of the member 60. COPYRIGHT: (C)2008,JPO&INPIT
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