| 摘要 |
PCT No. PCT/NO89/00134 Sec. 371 Date Jul. 11, 1991 Sec. 102(e) Date Jul. 11, 1991 PCT Filed Dec. 21, 1989 PCT Pub. No. WO90/06844 PCT Pub. Date Jun. 28, 1990.A flexible container for lifting transportation and storing of bulk material is manufactured from a hose-like blank, where one half-length portion of the hose-like blank is turned inside out and threaded onto or fitted over the other half-length portion form an inner sack and an outer sack having a common base or individual abases. The hose-like blank has at a mid-length thereof two or more longitudinal slots or openings separated by the same distance around the circumference of the hose-like blank. One half-length portion is rotated with regard to the other half-length portion around a central axis of the hose-like blank, such that the material of the areas between the slots after rotation forms two or more integrated lifting loops. |
