| 摘要 |
<p>Apparatus for cutting thread wound on a spool or bobbin into staple fibers including two or more circular knives arranged radially of the spool axis at equal intervals with reference to the spool circumference and with their axes or rotation in a single plane and means to hold a completely or partially wound spool while axially shifting or moving it between the circular knives for cutting engagement with the thread.</p> |
