| 摘要 |
<p>In the application, a multilayer paper sack is presented, which is intended to be closed with a transversal seam (1) especially by sewing. At the area of the seam, at least two of the layers of the sack sheath are adhered together with a transverse line of adhesive (2). The line of adhesive reinforces and stiffens the sack.</p> |
