| 摘要 |
1,240,373. Imbricated bags. W. R. GRACE & CO. 11 Sept., 1968 [11 Sept., 1967], No. 27107/69. Divided out of 1,240,371. Heading B8C. A bag assembly comprises an assembly of imbricated bags, at least one side of each bag being secured to a tape, one end of which is attached to a rotatable spool. A housing preferably encloses the spool and has a passageway opening, the tape passing therethrough to a tape pulling unit so that the bags may be fed to an opening and filling apparatus. |
