| 摘要 |
PCT No. PCT/SE81/00187 Sec. 371 Date Jan. 29, 1982 Sec. 102(e) Date Jan. 29, 1982 PCT Filed Jun. 25, 1981 PCT Pub. No. WO82/00129 PCT Pub. Date Jan. 21, 1982.A continuously flexible belt displaying two opposing walls (5, 6) and longitudinal upper and lower edges and incorporating a number of consecutively arranged packaging blanks (2), each with a bottom section (4) at the aforementioned lower edge and two bonding zones (7, 8) arranged transversely in relation to the longitudinal direction of the belt which form the side closures of the packaging blank. In accordance with the invention the belt incorporates two strip sections (10, 11) arranged mainly opposite each other which extend in the longitudinal direction of the belt at its upper edge and which are demarcated from the packaging blanks (2) by a tear initiation (12) arranged in each wall parallel with the upper edge, whereby each strip section (10, 11) is provided with a continuous suspension device (17, 18) for cooperating with packaging blank opening guide devices (19, 20) arranged at a filling station for filling the packaging blanks, both walls of the belt also being provided with slots which have a vertical slot portion (14) arranged between the bonding zones (7, 8 ) of two adjacent packaging blanks and a horizontal slot portion (16) arranged on either side of the vertical slot portion and between the packaging blanks and the suspension devices, whereby two adjacent horizontal slot portions (16) are arranged at a distance from each other. |
