| 摘要 |
PROBLEM TO BE SOLVED: To provide an envelope that enables printing to be smoothly performed even when a large number of envelopes are housed in a large-quantity paper feeding tray by making the height of the stacked envelopes small.SOLUTION: In an envelope 10 according to the present invention, a protrusion 20 is formed on a sheet of an outermost part at a corner part B where a small number of sheets constituting the envelope are stacked at the corner parts at four corners. Thus, differences among the thicknesses of the respective corner parts at the four corners are set small.SELECTED DRAWING: Figure 1 |
