| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a coupling tool of simple structure excellent in the easiness in performing the coupling operation and free of such an occurrence that the forefront of a water delivery hose or pipe slips off at the time of delivering the water. <P>SOLUTION: The coupling tool for a water delivery hose or pipe is equipped with a coupling part 11 in which the forefront of the water delivery hose 1 or pipe is attached to either the outside surface or the inside surface and a flange part 16 having a coupling hole 17 to generate screw fastening, bolt fastening, or penetrating fixation while tight attachment is generated to the coupling part 11 on its surface opposite thereto, wherein the coupling part 11 is furnished with threaded grooves (or holes) 11c and 11d for making screw fastening or bolt fastening, and the coupling part 11 is embodied in a dual cylindrical structure consisting of an outer cylinder 11a and an inner cylinder 11b, and the forefront of the hose 1 or pipe is fitted in the gap 14 between the outer cylinder 11a and the inner cylinder 11b and screwed fastened or bolt fastened. <P>COPYRIGHT: (C)2006,JPO&NCIPI</p> |
