| 摘要 |
An air mover (14) for producing a stream of air along a guide surface (28,30) for conveying web or other sheet material along a path adjacent the surface is constructed in two parts (16,18) having mating surfaces (23,24) one of which includes a recess (22) which defines a slot (26) through which conveying and entraining air is delivered to the guide surface from an air pressure chamber (20) within the air mover.
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