| 摘要 |
<p>A flexible hose construction (100, 200, 300) adapted for separately conve ying two or more fluids therethrough. The construction includes a core tube (110, 210, 310), a second tube (130, 240, 320)helically disposed about the c ore tube, and a tubular jacket (140, 250, 330) surrounding the core tube. Th e second tube may be substantially concentric with the core tube. The tubula r jacket may be substantially cylindrical so as to have a substantially smoo th outer surface (142).</p> |
