| 摘要 |
<p>A deaeration device particularly for filling machines, dosage machines and the like, comprising at least one chamber (2) for deaerating granular and/or powdery products to be packaged in a bag, which is delimited by at least one internal surface which is closed hermetically by at least one closure device (6, 7), the internal surface (3) comprising at least one porous partition (8) which is adapted to extract gas with vacuum generation means and being made of a substantially deformable and/or flexible material, so as to reduce gradually the volume delimited by the internal surface (3) during the extraction of the gas.</p> |
