| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a bag making apparatus with a simple configuration that: corrects meandering or skewing of a film material due to vibration during conveyance of the film material or vibration of the device; reduces or makes unnecessary monitoring during continuous movement, and time and structures for adjustment; allows increased film material feed rate; and improves the efficiency of production. <P>SOLUTION: This bag making apparatus 100 for packaging containers includes: an optical detection means 140 for simultaneously recognizing multiple marks M provided on a surface of a film material F at a plurality of positions; and a skewing correction means 150. <P>COPYRIGHT: (C)2013,JPO&INPIT |
