| 摘要 |
An apparatus for dispensing a web from a plurality of rolls. (6) of serrated bags (A, B), includes first (12) and second (14) web printer/web feeders, each adapted to advance and print first and second webs from a first and second roll of serrated bags (A, B) respectively, the first and second web printer/web feeders (12, 14) including a first (13) and second (15) printer, and a first (26) and second (30) set of nip rollers respectively; first (36) and second (38) accumulator guide plates located downstream of the first (13) and second (15) printers; a set of dispensing nip rollers (18) located downstream of the first and second accumulator guide plates (36, 38), a web accumulation area; a web sensor (34) for sensing an end of the first or second web; a first (70) and second (72) seal sensing device; a dispensing guide plate (44) located downstream of the web sensor (34); and a bag handling mechanism (20) for advancing a leading bag to a bag loader. |
