| 摘要 |
PROBLEM TO BE SOLVED: To provide an overflow hose for preventing refuse from being stored in a bent portion of the hose. SOLUTION: In an arrangement of the overflow hose 1 in which a bellows portion 3 is bent substantially at a right angle, deep fold portions 31 and shallow fold portions 32 are disposed on the inner side and the outer side of the bent portion, respectively. The deep fold portion 31 are contracted and bent on the inner side of the bent portion, the shallow fold portions 32 are expanded on the outer side of the bent portion, and inner and outer circumferential surfaces thereof are deformed substantially smooth. COPYRIGHT: (C)2004,JPO
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