Patent ID: 9155664
Filing Date: 2015-10-13
Classification: A61F,B65H

Abstract:
1. A combination of an air-permeable continuous web, wherein the web is stretchable in a cross direction perpendicular to a conveyance direction of the web and a conveyor apparatus for conveying the web, said conveyor apparatus comprising: an endless belt rotatably supported by a plurality of rollers and having a plurality of suction portions penetrating the belt; and a suction mechanism for sucking and holding, via the suction portions, the web on the belt while the web is being conveyed; wherein the belt further includes lifting portions each of which is provided between the suction portions adjacent in the cross direction and is raised from edge portions of the suction portions; the plurality of suction portions adjacent to each other across the lifting portions communicate with each other, when the web is sucked and held on the belt; the suction portions located at endmost portions in the cross direction of the belt communicate with the outside, when the web is sucked and held on the belt; the web includes: the web is asymmetrical with respect to a center line, the center line bisecting a width of the web in the cross direction and extending in the conveyance direction.