| 摘要 |
1,102,232. Flat plastics bags. FAYARD ET RAVEL. 25 May, 1965 [7 Aug., 1964], No. 22122/65. Heading B8K. [Also in Divisions A4, B5 and E2] Two strips 3, Fig. 2, welded to the mouth of a plastics bag 2 at 4a, 4b form a closure for the bag, the projections 5a, 5b interengaging when the strips 3 are pressed together. The longitudinal edges of the bag are welded together. The strip may be provided with a slider and may have simple or double-lipped guards. |
