| 摘要 |
<p>Device to piece-up rovings of textile fibres for spinning machines for carded and combed yarns, the device being suitable for employment in cooperation with and on such spinning machines and comprising a perforated grill (10) having two cooperating surfaces (20-21) which undergo at least a temporary aspiration action (13), a nozzle (11-12) to emit fluid (19) under pressure being included.</p> |
