| 摘要 |
<p>The valve for tubeless tyres has an elongate pipe (1) which is prolonged inside beyond the rim (4). Said pipe (1) is comprised of at least two parts (11, 12), the outer part (11) substantially situated within the rim (4) and prevented from sliding into the envelope (2), and an inner part (12) which may slide in the envelope (2) throughout or part of its length. The valve shows substantial improvements in pressure and flexion behaviour.</p> |
