| 摘要 |
Device for handling materials of different types, as loose materials, liquid substances or bulk goods, advantageously for storing, screening and adjustable feeding, dosage or discharge of materials, the device comprising as an immediately to the handled material influencing organ a hollow means (1), consisting of a turnable mantle piece (2) of flexible material and to the ends of the mantle piece securely fixed end parts (3, 4) at least one of which is rotatable to turn the mantel piece. Characteristic to the device according to the invention is, that the end(s) parts (3, 4) have been arranged as mutually rotatable, advantageously even 180<o>, whereby the inner hollow space of the mantle piece (2) can be changed to two towards each other tapering spaces (20, 21), while the cross-sectional area of the throttle zone (22) between the tapering spaces is simultaneously changed according to the alteration of the tapering of the spaces. The invention relates also to the advantageous adaptation forms of the device as a holding and grasping device, conveying device or pump as well as a washing or rinsing device, in which case a central feeding and discharge of the washing or rinsing agent is connected to the device. |
