| 摘要 |
An envelope construction (10) for high speed printing includes a front panel (20) having a flap (12) with a sealing adhesive strip (16) on its back side, and a rear panel (30) secured to the front panel (20) at its marginal edges (32, 34, 36) to form a pocket (P). The thickness of the adhesive strip (16) is substantially the same as the thickness of the rear panel (30) so that when the flap (12) is opened, the overall configuration of the envelope (10) is flat to facilitate stacking and feeding. The combination of the strip (16) and the rear panel (30) are both secured to the back side (20B) of the front panel (20), and the combination adds a layer of a uniform thickness to provide the desired flat aspect. Like such envelope constructions (e.g., 10) are arranged in a stack (530, 730, 930, 1030, 1130, 1430, 1530, 1630, 1830, 2030, 2130) within a paper tray (512, 712, 912, 1012, 1112, 1412, 1512, 1612, 1812, 2012, 2112). The topmost one of the envelope constructions (532, 732, 932, 1032, 1132, 1432, 1532, 1632, 1832, 2032, 2132) is separated from the stack seriatim at high speeds to feed them individually to the printer for printing thereon.
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