Patent ID: 6115938
Filing Date: 2000-09-12
Classification: D21F

Abstract:
A machine for producing a material web, comprising:a plurality of cylinders wherein at least one cylinder includes a free circumference region and a circumference region;a conveyor belt for guiding the material web in a meandering path around said plurality of cylinders wherein said conveyor belt and the material web wind around said circumference region of said at least one cylinder;at least one air conveying device disposed in a transfer region located between two of said plurality of cylinders where said conveyor belt and the material web travel in a path that is free from contact with any of said plurality of cylinders; andsaid at least one air conveying device comprises a wall which is adjacent said free circumference region and is at least partially contoured and adapted to at least a portion of said free circumference region,wherein said at least one air conveying device associates with said portion of said free circumference region and aspirates the material web in said transfer region.