| 摘要 |
Volume batcher for fluent materials, particularly suitable for high speed packaging machines of filter-bags for infusion products such as tea, camomile and similar which comprises a cylindrical drum provided with radial pockets rotating about an horizontal axis below a feed hopper of the product to make up. A filter paper strip is made adherent advance with the cylindrical surface of the drum closing said pockets from the top dead center to the bottom dead center from where it horizontally continues with the quantities of product on it to a packaging station. Said pockets have a volume variable structure by means of a cylinder shaped inside hollow piston member in communication with atmosphere and with at least the radially most outer head perforated. |
