| 摘要 |
By an envelope (2) for forwarding letters and the like and of the type manufactured from a blank of paper or similar material by folding and glueing or welding, that is provided with a pocket-like cavity (4) and with a closing flap (6), which along a free end part is provided with a glue surface (8), and which at basis is provided with a folding line (14), the closing flap (6) between the glue surface (8) and the folding line (14) is provided with a perforation (16) stretching parallel to the free end edge of the closing flap. The enveloppe (2) is along a zone adapted to be glued together with the closing flap (6), provided with a second perforation (18) stretching parallel to said first perforation (16). In a simple manner it is hereby obtained that a new type of envelope, where the closing flap is provided with a reinforced tear-open strip, which between the perforations consists of at lest two layers of paper, so that the envelope is easy to open in such a manner, that easy direct access for emptying the envelope is obtained. |
