Patent ID: 6503372
Filing Date: 2003-01-07
Classification: D21F

Abstract:
A twin wire former assembly comprising:a former having a closed first end, closed first and second sides, and an interior volume; a second end of said former provided by moving first and second foraminous elements; an interior structure extending between said first and second sides, and having a discharge end with a plurality of discrete conduits therein extending from said first end toward said second end; said interior structure defining said interior volume into a first volume on one side thereof and a second volume on the other side thereof; means for introducing a first fiber/foam slurry into the first volume, and a second fiber/foam slurry into the second volume; means for withdrawing foam from the first and second slurries through said foraminous elements to form a non woven web on said foraminous elements; and means for introducing a third material into said conduits within said interior structure, wherein said interior structure is positioned to discharge the third material at a location past where said means for withdrawing foam from the first and second slurries starts withdrawing foam from the slurries.