| 摘要 |
PROBLEM TO BE SOLVED: To provide a straw for drink, inserted in a pack or a cup with a lid in use, for preventing an accident, a hurt or scattering of drink due to an unexpected drawing of the straw. SOLUTION: One to innumerable projections 2 or turn-back parts 3 are provided in the midway of the straw 1, and after the straw is once inserted in a pack or a cup with a lid for drink, the projections 2 or turn back parts 3 are caught in an insert port 4, so that the straw is hardly drawn. COPYRIGHT: (C)2004,JPO
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