Patent ID: 7032273

Claim:
A fiber blending and opening arrangement comprising; an array of opening and blending rolls arranged in juxtaposed positions within a cabinet and driven in a first direction, each said roll including a plurality of spaced rows of shaded upstanding teeth; an open chamber arranged over upper surfaces of said array of rolls and a closed casing arranged adjacent to and about at least lower portions of each said roll of said array of rolls; a feed delivering opened fibers onto upper surfaces of said array of rolls for engagement with said teeth and an exit allowing said fibers to move from adjacent lower surfaces of said array of rolls; said teeth being shaped and arranged at selected angles along said rows to create air currents which move along generally longitudinal paths in a sinusoidal manner within said cabinet; whereby; said fibers passing from said feed are engaged and moved by said teeth and said air currents along said sinusoid and generally longitudinal paths first over upper surfaces of at least certain ones of said array of rolls and then beneath at least certain ones of said rolls causing extensive opening and blending of said fibers before moving through said exit.