| 摘要 |
This invention patent relates to a metering device (1) equipped with gates, and comprising a lower tubular projection (20), the lower opening of which is closed by a pair of primary movable gates (21). It further comprises a tubular element (3) around the projection (20), the lower opening of which is positioned below the opening of the projection (2), and is closed by a pair of secondary movable gates (31) which, when opened, release the product retained between the primary (21) and secondary (31) gates for packaging. Furthermore, the height of the tubular element (3) can be changed to make it possible to control the amount of product to be packaged. |
