| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a hose coupling capable of preventing a hose from coming off and easily connecting and disconnecting. <P>SOLUTION: In a hose coupling, recessed and projected portions are provided on an inner surface of a pipe with a specific length, and a hose is inserted into the inside of the pipe with the hose detachable. <P>COPYRIGHT: (C)2005,JPO&NCIPI</p> |
