Patent ID: 6578473
Filing Date: 2003-06-17
Classification: D21G

Abstract:
A calender comprising:two spaced apart support frames, each support frame comprised of two spaced apart vertical walls; a top roll mounted between two top bearings, each top bearing mounted fixed with respect to the support frame; a bottom roll mounted between two bottom bearings, the bottom bearings mounted for vertical motion with respect to the support frames; a plurality of intermediate rolls placed one above another, so that when the top roll, bottom roll and intermediate rolls are brought together they form a plurality of calender nips therebetween; wherein each intermediate roll is positioned between opposed bearings which are mounted to bearing housings which are mounted to arms which are mounted by pivots to the support frames; each bearing housing having a portion which extends between the spaced apart vertical walls of one of said support frames, the portion forming an upper support cylinder attachment bracket; and a support cylinder extending between each upper support cylinder attachment bracket on the bearing housings and a lower support cylinder bracket mounted between the spaced apart vertical walls of one of said support frames, the lower support cylinder bracket being mounted below the upper support cylinder attachment bracket and spaced inwardly towards the pivots on the support frames, so that a greater vertical motion of each intermediate roll is provided.