| 摘要 |
<p>The conveying carriage is pneumatically movable within straight and curved parts of conveying pipe line and includes at least one plate (3, 4, 12, 18, 19, 26, 27, 29, 30, 34) attached to the conveying carriage (2, 9, 16, 23) and movable across the conveying pipe line (1, 8, 15, 22, 28). The plate seals the conveying carriage against inner surface of the conveying pipe line especially in the curved part of the conveying pipe line. The sealing plates (3, 4, 12) are attached to the conveying carriage (2, 9) by means of springs (5, 14) and consists of a flexible material such as felt. The sealing plates consists of a plate body (3, 3') movably mounted on the carriage across the conveying pipe line. Rigidly attached to the circumference of the plate body is a flat unit from the flexible material which is in a sealing contact with the inner surface of the conveying pipe line.</p> |
