quick open envelope

Abstract

A quick open envelope comprises one polygonal hollow envelope body and one flap wherein the envelope body has one surface and one opening edge as well as plural seal edges which constitute the surface's one opening edge, and the flap connected to the envelope body is used for closing the opening edge. One tearing line prepared on the surface has both ends connected to one identical seal edge or different seal edges and surrounds an area on the surface being lifted to develop the envelope body's opening from which a letter receiver is able to take articles held inside an envelope with the tearing line torn down.

1 . One quick open envelope comprises:
 One polygonal hollow envelope body with one surface and one opening edge as well as plural seal edges which constitute the surface's boundaries; and   One flap connected to the envelope body for closing the opening edge;   One tearing line on the surface has both ends linking one identical seal edge or different seal edges and surrounds an area on the surface being lifted with the tearing line torn down.   
   
   
       2 . The quick open envelope according to  claim 1  wherein the tearing line indicates a curve shape. 
   
   
       3 . The quick open envelope according to  claim 1  wherein the tearing line is one broken line. 
   
   
       4 . The quick open envelope according to  claim 1  wherein the envelope body has one window. 
   
   
       5 . The quick open envelope according to  claim 2  wherein the envelope body has one window. 
   
   
       6 . The quick open envelope according to  claim 3  wherein the envelope body has one window.