| 摘要 |
In a conveyor belt assembly for conveying particulate material, a rigid primary seal is mounted between the inboard loading zone and an outboard region of the belt which is desired to remain clear of particulate material. A flexible secondary seal is mounted between the primary seal and the outboard region, and includes a flexible sheetlike member having a sealing portion resting with light sealing pressure in sliding contact with the upper belt surface.
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