| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a composite hose for preventing slipping-down of manual gripping by an oil stain of a hose surface caused at work for connecting or releasing the composite hose to or from an oil tanker and a tank truck. <P>SOLUTION: The gripping-holding function of a palm is improved by forming a projection-recess strip on a surface of an outer spiral ring 10 wound on an outside surface of the composite hose. <P>COPYRIGHT: (C)2003,JPO</p> |
