| 摘要 |
<p>Sheets of paper, such as posters, are rolled up, folded in two at the middle and flattend. The sheet is rolled up inside a cylindrical chamber, guided at its edges. The cylindrical chamber is opened and the roll of paper is discharged laterally by a finger (28) which engages the middle of the roll. The two halves(12a) of the roll folded back against one another and then flattened together. Rolling of the sheet is effected by edge engaging rollers(23, 26) on each side.</p> |
