| 摘要 |
<p>The invention concerns an elastomer material conduit, more particularly a vacuum-operated air intake conduit between the air filter and the engine or the turbocharger. The inventive conduit comprises a tubular wall provided with annular ribs extending radially outwards, and is characterized in that the thickness of said tubular wall is less than 3.5 millimeters, each annular rib (3) having a width less than 4 millimeters and a height not less than 3.5 millimeters, and the spacing between two successive annular ribs is less than 25 millimeters.</p> |
