| 摘要 |
PROBLEM TO BE SOLVED: To provide a resin drain hose for a sink tap capable of being economically manufactured using a small amount of cookroach repellent agent, having sanitary cookroach repellent effects stably for a long period while securing safety in use. SOLUTION: The resin drain hose 1 is connected to the sink tap 3 via a water collecting part 4 and arranged with the other end in an under-floor direction. It has both end portions 1A, 1B each formed of a resin material to which high-concentration chemical agent having cookroach repellent effects is added and a hose intermediate portion 1C formed of a resin material to which the low-concentration chemical agent is added. COPYRIGHT: (C)2008,JPO&INPIT
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