| 摘要 |
<p>A plug mechanism for a hose is described, the plug mechanism includes a body, the body having, an outer side and an inner side, an aperture running between the outer side and the inner side, the 5 aperture having an opening on the outer side and an opening on the inner side, characterised in that the inner side of the body includes an open cavity, wherein the opening of the aperture on the inner side of the body is in the cavity; and a ball located in the open cavity, the ball operable to seal the aperture. Figur 17</p> |
