| 摘要 |
<p>Apparatus, including two clusters of vacuum rolls, each in a generally hexagonal arrangement, each cluster having spaced apart web cutoff means (103,104,203,204) and interfolding means (108-111,113,208-211,213), the vacuum rolls being arranged to develop four equal length paths between the cutoff means and the interfolding means, the apparatus being equipped with vacuum switching means to sequentially change paths of travel of the webs. </p> |
