| 摘要 |
<p>the web is supported on a folding table having outer sections pivotal to fold inwardly onto a central section and the central section has a middle portion on which the folded webs are piled. Pref. the table is perforated and a suction device is provided underneath the table to maintain the web in position. The middle portion is carried on a spring so that it lowers under the weigth of the pile of folded webs. The various parts of the table are pivoted by cam actuate push-rods.</p> |
