Patent ID: 6841043
Filing Date: 2005-01-11
Classification: D21F,Y10T

Abstract:
1. A trim hold down box apparatus connected to a source of partial vacuum for assisting in the separation of trim cut from an edge of a sheet by a cutter prior to the sheet being transferred from a forming wire of a forming section to a press section of a paper making machine, said apparatus comprising: a frame adjustably secured to the former and disposed downstream relative to the cutter; a box cradle secured to said frame; a trim box movably connected to said box cradle such that floating of said trim box with the forming wire is permitted, the forming wire being disposed between the trim and said trim box; a biasing arrangement extending between said trim box and said box cradle so that biasing of said trim box relative to the forming wire is permitted; and said trim box having a first and a second end, said first end of said trim box being connected to a the source of partial vacuum, said second end of said trim box cooperating with the forming wire and being disposed in a vicinity of the trim so that when said first end of said trim box is connected to the source of partial vacuum, separation of the trim from the sheet being transferred into the press section is assisted by the partial vacuum applied to the trim at said second end of said trim box.