Vacuum belt conveyor for transferring a web threading tail in a web manufacturing machine

摘要

A vacuum belt conveyor for transferring a web threading tail in a web manufacturing machine has a frame construction ( 15 ) and an air permeable belt loop ( 20 ), which is arranged around rolls ( 16, 17 ). The vacuum belt conveyor also has a first vacuum means ( 22 ) for creating a vacuum effect for the part of the belt loop ( 20 ) that transports the web threading tail ( 14 ) and a second vacuum means ( 23 ) for creating a vacuum effect in connection with the first roll ( 16 ). The second vacuum means ( 23 ) is arranged in the frame construction ( 15 ) for creating a vacuum to be introduced to the first roll ( 16 ) inside the belt loop ( 20 ).