| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide an opening device and opening method of a packaging bag, capable of easily opening a non-adhered edge portion of the packaging bag even when the side sheets of the packaging bag are firmly attached to each other. <P>SOLUTION: The opening device includes a first sucking body 11A which sucks and holds one side sheet of the packaging bag and a second sucking body 11B which sucks and holds the other side sheet. The first sucking body 11A and the second sucking body 11B which are respectively in a state in which they suck and hold both the side sheets of the packaging bag before opening are moved onto a reference plane A that is a plane along the side sheets, and the positional relationship between the first sucking body 11A and the second sucking body 11B on the reference plane A is changed. <P>COPYRIGHT: (C)2012,JPO&INPIT</p> |
