Patent ID: 8402726
Filing Date: 2013-03-26
Classification: B65B,B65H

Abstract:
1. A suction control apparatus adapted to be used in a packaging machine for conveying and packaging a belt-shaped film while the film is being suctioned by a suction-type film conveyor, the suction control apparatus comprising: an air intake box with an air intake opening; a conveying belt arranged adjacent to the air intake box, the conveying belt having plurality of air intake holes; a vacuum-degree determination section configured and arranged to determine a proper degree of vacuum of the suction-type film conveyor, which is less than a reference value set in advance, such that the film is drawn toward the conveying belt in response to the proper degree of vacuum being applied to the air intake box; and a vacuum-degree control section configured to set the degree of vacuum to a first value corresponding to the proper degree of vacuum determined by the proper vacuum-degree determination section.