| 摘要 |
<p>The invention relates to a double-layer hose with an end fitting (with a flange) sealed to one end of the hose, there being means to allow a pressure test or monitoring of the condition of the inner layer/tube 2 or outer layer/tube 3 of the double layer hose; an embodiment may also include an over-braid 5. An (inner) end of the end-fitting insert 1 is inserted into and sealed against one end of the hose. A loose flange If is externally located around insert 1. A threaded aperture/hole 1d extends from the insert outer surface 1a to its inner surface 1c, with a flat-face 1b at its outer end (the end opposite the inserted (inner) end) onto which the inner tube 2 has been externally 'flared-out' 2a. At the radial outer surface 1e of the inner end of the insert 1, the outer tube 3 and over-braid 5 are securely externally fastened by a 'swaged' ferrule 4 creating a pressure-resistant seal between outer tube 3 and radial outer surface 1e. The aperture/hole 1d is used for applying a pressure medium (eg gas or liquid) to the space between the inner and outer tubes.</p> |
