| 摘要 |
The sheets (1) and (2) are cut separately in rectangular shapes and wit h one of their corners recessed (1.2) and (2.4) and the sheet (1) slightly larger than the other one, double, on layer (2.1) an alignment of cylindrical lense s (2.2) which reflect images from the other internal sub-sheet (2.3), the two sheets (1) and (2) are superimposed; they are joined and their rims hooked together , in a tube (3) with the vertical upper recesses; a small flange (1.3) is configure d at the top covering the rim of the sheet (2), except for the recess thereof, wi th one of the ends of the small flange (1.3) overlapping the other; the lip (1.4) i s inserted in the stepped piece (4.1) of the bottom (4) of the container; the latter is flanged (4.2). |
