| 摘要 |
<p>The invention relates to a web of interconnected closure blanks (2) or membranes (20) formed in a flat sheet of flexible material, wherein adjacent closure blanks or membranes abut each other along weakened portions of the sheet and are separable along said weakened portions, and wherein a shape of each closure blank or membrane is defined by said weakened portions and the rims of the sheet so that the web contains no material in excess of the closure blanks or membranes.</p> |
