| 摘要 |
<p>An inflatable bladder having one or more edge portions which are wedge-shaped. The wedges can be metal or rubber, for example, which are bonded on opposite surfaces to adjacent reinforced layers at the edge of the bladder. The edges can be secured in a recess in a support surface or in a clamp. The ends of hoses can be provided with wedges to facilitate connection to each other. A wheel and a link are also described.</p> |
