Expressing press

Claim 1

IN A SCREW PRESS OF THE CHARACTER DESCRIBED, THE COMBINATION OF A MAIN VERTICALLY AND LONGITUDINALLY SPLIT DRAINAGE CAGE PROVIDING COMPLEMENTARY CAGE PARTS, MEANS SUPPORTING SAID MAIN CAGE PARTS IN NORMALLY ASSEMBLED RELATION DEFINING A LONGITUDINAL PASSAGE THERETHROUGH, AN INNER CAGE ASSEMBLY INCLUDING A TUBULAR CAGE INSERT SLEEVE DIMENSIONED TO FIT IN SAID MAIN CAGE PASSAGE AND LONGITUDINALLY SPLIT IN THE SAME DIRECTION AS SAID MAIN CAGE TO PROVIDE INSERT SLEEVE SECTIONS CORRESPONDING TO SAID MAIN CAGE PARTS, MEANS FORMING COMMUNICATING RELATIVELY LARGE DRAINAGE PASSAGES THROUGH THE WALLS OF SAID CAGE PARTS AND SAID SLEEVE SECTIONS, A PLURALITY OF SCREEN BARS ARRANGED SIDE BY SIDE ON THE INTERIOR OF EACH SAID SLEEVE SECTION EXTENDING GENERALLY LONGITUDINALLY THEREOF ACROSS SAID DRAINGAGE PASSAGES, SPACER MEANS DEFINING RELATIVELY SMALL DRAINAGE OPENINGS BETWEEN SAID SCREEN BARS, RETAINER MEANS CONNECTED TO SAID SLEEVE SECTIONS FOR HOLDING SAID BARS IN SAID SECTIONS INDEPENDENTLY OF ANY CONNECTION BETWEEN SAID SLEEVE SECTIONS AND SAID CAGE PARTS, SAID RETAINER MEANS INCLUDING CENTER BARS FASTENED TO SAID SLEEVE SECTIONS AT THE LONGITUDINALLY EXTENDING EDGES THEREOF AND FASTENER DEVICES EXTENDING THROUGH A PORTION OF SAID CAGE PARTS AND ENGAGING THE CORRESPONDING SLEEVE SECTIONS NORMALLY HOLDING SAID INSERT SLEEVE SECTIONS RESPECTIVELY IN FIXED POSITION IN THE CORRESPONDING SAID CAGE PARTS AND RELEASABLE FROM THE EXTERIOR OF SAID CAGE PARTS PROVIDING FOR OPENING OF SAID CAGE AND REMOVAL AND REPLACEMENT OF SAID INSERT SLEEVE SECTIONS WITH SAID SCREEN BARS AND SPACER MEANS CONNECTED THERETO AS A COMPLETE SUB-ASSEMBLY.