| 摘要 |
<p>A device for measuring the count of a ribbon of fibers, comprising a guiding funnel (11) for a ribbon (12) of fibers that tapers along the direction in which the ribbon moves and has, at a portion (14) that has the smallest cross-section, a pressure port (15) connected to an external unit that comprises means adapted to detect the air pressure value. <IMAGE></p> |
