| 摘要 |
<p>A roll (1) of flexible strip (2) for producing bags (8), the strip being a strip made of a plastic material suitable for being welded to the body of a tube of plastic fabric or extruded mesh (4), said strip being wound upon itself longitudinally around a support intended to be coupled to the shaft of a machine, the strip having a repetitive pattern along its length, comprising a functional section (6) and a connecting section (7) contiguous thereto, having a length (L) equal to or greater than the length (I) of the mentioned functional section and having at least one portion having a minium width (z) less than the width (Z) of the functional section.</p> |
