| 摘要 |
The invention provides a process for the manufacture of sachets ( 1 ) in a plurality of lanes in a form fill and seal machine, one or more edges of said sachets comprising non-linear profiles ( 7 ) over at least 10% of the length of the edge, said sachets manufactured by a process comprising: (i) sealing two films ( 9,10 ) in the longitudinal direction to form a plurality of tubes parallel to each other; (ii) sealing the tubes along one end; (iii) filling the tubes with the desired material; (iv) sealing the tubes at the second end to form a plurality of sachets ( 1 ), and (v) punching out portions ( 8 ) of the sealed edges of the sachets to define the non-linear edges ( 7 ).
|
