| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide an annular tightening tool capable of tightening simply and quickly without using as a direct grip, a tightening string of a drawstring bag or a string of a string tightening tool for fastening a bag mouth having an opened mouth, and without leaving a string trace or damaging a hand when fastening it.SOLUTION: An annular body comprising a cylindrical fastening part and an adjustment part of the fastening part is formed of a flexible and non-elastic material, and a shorter string than the peripheral length of the annular body is inserted into the annular body in the circulative state. The periphery of the fastening part of the annular body is seamed with a sheet body, a bag mouth, a nozzle or a clothing or mounted thereon by adhesion, or a part of the annular body is mutually locked.</p> |
