| 摘要 |
<p>A paper envelope with a window recyclable without changing conventional material and quality and having a window part covered with a transparent or a semi-transparent film. The envelope with the window is characterized by comprising a separating means capable of separating a paper envelope body from the film immediately after unsealing the envelope. More specifically, the separating means is formed by forming a perforation for cutting out a cutout part for unsealing parallel with one side of the window part and perforations continued to that perforation around the window part, or by forming the perforation for cutting out the cutout part for unsealing parallel with one side of the window part and temporarily fixing the film to the envelope body at all sides excluding one side of the window part included in the cutout part.</p> |
