| 摘要 |
The present invention concerns an envelope sheet 100 applied to a sealed letter producing device including an enclosing and sealing unit which produces a sealed letter by enclosing and sealing a content by folding an envelope sheet in a manner of containing the content, wherein the envelope sheet has pressure sensitive adhesives which do not face each other when provided in its both edge portions in the width direction stacked in the same orientation, and which face each other in both edge portions of the envelope when formed on the envelope by folding, and another adhesive provided inwardly of the both edge portions in the width direction. |
