| 摘要 |
<p>PURPOSE:To more improve the extracting strength of a 2/3 direction branched hose, by catching a projection in a hose inner peripheral surface. CONSTITUTION:In hose joining structure composed of a hose 1; a pipe member, having a ring-like protruded part 21 extending in a peripheral direction on a surface and inserted in the hose 1 over the ring-like protruded part 21; and a coating part 3, laid on the whole periphery of the connecting part between the hose 1 and the pipe member and formed by die forming; the pipe member has a projection 23, having height lower than that of the ring-like protruded part 21, in the vicinity of the ring-like protruded part 21 behind the ring-like protruded part 21 when a tip, to be inserted into the hose 1, is placed forward, and the projection 23 is caught in the inner peripheral surface of the hose 1.</p> |
