B - Operations – Transporting – 65 – D
Patent
B - Operations, Transporting
65
D
B65D 27/34 (2006.01) B65D 27/00 (2006.01) B65D 27/32 (2006.01)
Patent
CA 2682597
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.
Battison Williams Dupuis
Hsiao Chung-Chien
Wang Ching-Hsien
LandOfFree
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