| 摘要 |
<p>The present invention relates to a device for regulating the flow rate of a fluid material, including an entrance receptacle (1) and an exit receptacle (4) releasing the material at a flow rate regulated by an exit aperture (6), these two receptacles (1, 4) being separated by a common wall (6). The common wall (6) extends from the bottom walls (2, 5) of the receptacles (1, 4) and, above the common wall (6) is located a so-called bell (9) arrangement forming, on either side of the common wall (6), a first (10) and a second (11) intermediate receptacle in which a gas pressure (P) is maintained. <IMAGE></p> |
