| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a resin hose and a fastening structure hose for a connection fitting capable of reducing the manufacturing cost, making miniaturization, sealing and durability of a fastening part be compatible with a simple structure. SOLUTION: A nipple 2 of the connection fittings 6a, 6b applied with beating at the outer perimeter is pressed in a resin hose body 4, from the outside of the resin hose 4, an inner perimeter side is formed in an angled shape in section in which the wall thickness increases gradually from both opening ends in the axial direction toward the center, a metallic sleeve 1 with a groove carved on the whole perimeter is arranged in the coaxial direction in the wall thickness part 13, and the resin hose 4 and the nipple 2 are fastened by caulking from the outer perimeter inwards.</p> |
