Shaped rod turbulence generators for use in a flowing stream of paper pulp

Claim 1

IN A TAPERED APPROACH TO A PAPER MACHINE SLICE OPENING DEFINED BY CONVERGING TOP AND BOTTOM WALLS FOR FLOWING A STOCK STREAM FILLING SUCH TAPERED APPROACH THROUGH THE SLICE OPENING AND ON TO A FORMING SURFACE COMPRISING SAID STOCK STREAM FLOWING THROUGH THE APPROACH IN A GENERALLY RECTILINEAR DIRECTION AIMED AT THE SLICE OPENING, A PLURALITY OF SPACED TRANSVERSELY EXTENDING TURBULENCE GENERATING ROD BANKS WITH EACH BANK SPACED DOWNSTREAM FROM ITS IMMEDIATE UPSTREAM BANK TO RECEIVE TURBULENCE THEREFROM IN PARTIAL DECAY, THE DOWNSTREAM-MOST BANK BEING SPACED UPSTREAM FROM THE SLICE OPENING TO PERMIT PARTIAL DECAY OF ITS GENERATED TURBULENCE AHEAD OF THE SLICE OPENING, EACH ROD BANK IN DOWNSTREAM SUCCESSION BEING FORMED OF SUCCESSIVELY SMALLER RODS WITH SUCCESSIVELY SMALLER SPACERS THEREBETWEEN FOR GENERATION OF SUCCESSIVELY SMALLER SCALE TURBULENCE IN THE STOCK AND EACH OF THE RODS IN THE DOWNSTREAM-MOST ROD BANKS EXTENDING AT A DOWNSTREAM SLANT FROM ONE WALL TO CLOSELY SPACED RELATION FROM THE OPPOSITE WALL, THE IMPROVEMENT OF EACH ROD HAVING THE SLANTED UPSTREAM FACE THEREOF DEFINING A LONGITUDINALLY ALIGNED SHALLOW RECESS TO MINIMIZE STAPLING OF THE FIBROUS STOCK ELEMENTS TO THE FACE OF THE ROD.