| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide sealing that has increased barrier properties and has a neat appearance.SOLUTION: Sealing is provided on a packaging film by pressing with a pair of sealing parts including a combination of a first sealing blade (respective sealing blades for a vertical groove pattern 34 and lateral groove patterns 36, 37) for forming a linear pattern, that is nearly parallel to respective sides of a housing chamber, in a part brought into contact with the housing chamber out of seal parts where the sealing is provided in the packaging film and a second sealing blade (respective sealing blades for the vertical groove pattern 34 and a lateral groove pattern 38) for forming a grid pattern in an outer peripheral part of the part where the linear pattern is formed out of the seal parts to form a bag shape with the rectangular housing chamber. The first sealing blade and the second sealing blade are respectively provided on separate members, and are subjected to different processing.</p> |
