| 摘要 |
A window blind is mounted within a rectangular box having two opposite opene d ends. The box has a longitudinal length shorter than the width of the window blind such that two end portions of the blind extend beyond the opened ends of the box respectively. Spacers are provided by tabs integrally formed on top and bottom panels of the box, whic h are foldable downward inwardly to locate between the slats and the head rail of the blind . The spacers press the slats and the head rail respectively tightly against the side panels of the box, and they also provide the required space for locating the end portions of the slats and th e head rail in the cutting means of a trimming machine for trimming the window blind to a desirable width.
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