| 摘要 |
<p>Pile fabric mfg. appts. is provided with a pair of co-operating hollow rollers within which there is arranged at least one needle bar. Pref., needle bars are arranged adjacent one another at the nip of the rollers and each bar is provided with a set of needles which are offset w.r.t. each other and are of a length which permits the needles of a bar in one roller to penetrate the other roller.</p> |
