A conveyorized vacuum table comprises a conveyor for feeding and supporting limp sheet material and a vacuum system which applies vacuum to the sheet material while it is being fed and/or worked upon. The conveyor comprises a penetrable support bed and a plurality of vacuum chambers which move with the...http://www.google.fr/patents/US4730526?utm_source=gb-gplus-shareBrevet US4730526 - Conveyorized vacuum table for feeding sheet material
Conveyorized vacuum table for feeding sheet material
