| 摘要 |
<p>For use in a pneumatic conveyor, an apparatus for establishing communication between a main conduit (2;50) and each of a plurality of branch conduits (4,5;52). The apparatus comprises a body housing (1) a connection conduit (7;54), one end of the connection conduit (7;54) having a swivel connection with the main conduit (2;50). The connection conduit (7;54) is shaped such that its opposite end moves in an arcuate path across ports in communication with the branch conduits (4,5;52). Drive means (12;67) for effecting movement of the connection conduit (7;54) are mounted in the body (1).</p> |
