| 摘要 |
<p>In one embodiment, a sheet protector (11) for holding a paper document comprises a sheet of transparent material, such as plastic, which is folded over on itself about a vertical fold line (115) to form a front panel (116-1) and a rear panel (116-2). The front and rear panels are identical in size and shape and each include a top edge (112-1), a bottom edge (119-1), a right side edge (121-1) and a left side edge (122-1), the vertical fold line defining the right side edge of the front panel and the left side edge of the rear panel. The front and bottom panels are secured together along their bottom edges by a horizontal weld line (123). The top and bottom panels are additionally secured together at a location in close proximity the side edges opposite the vertical fold line by a first vertical weld line (125, 127).</p> |
