| 摘要 |
<p>A retractable elastic pressure hose 30, comprising an inlet connector 22, an outlet connector 28, an inner elastic tube 34, and an outer cover 36. Outer cover 36 is designed to expand and contract radially and longitudinally in response to internal pressure and external tensions on the hose. Internal pressure within the hose tends to extend the elastic pressure hose against the retracting force of the inner elastic tube. Outer cover 36 can have a hollow circular braid structure similar to the cover on a bungee cord and is designed to stretch beyond its fully extended length by applying external tension on the elastic pressure hose.</p> |
