发明授权
EP0647204B1 METHOD OF AND DEVICE FOR SUCTION TRANSPORTING 失效
方法和装置真空传送装置

METHOD OF AND DEVICE FOR SUCTION TRANSPORTING
摘要:
A material is transported by suction through a transporting line (1, 2) connected with a suction source (4) and communicating with atmosphere through a passage (8), and the area and shape of the passage is periodically changed by a power-drive operated element (10, 11) during the transporting.
公开/授权文献
信息查询
0/0