Means for compacting forage crops

Claim 1

IN A MACHINE OF THE CLASS DESCRIBED FOR THE PRODUCTION OF EXTRUSION PRODUCTS FROM COMPRESSIBLE MATERIAL HAVING VARYING FRICTIONAL AND COMPRESSIBILITY CHARACTERISTICS: DIE MEANS HAVING A PLURALITY OF SIMILAR DIE OPENINGS RECEIVABLE OF SUCH MATERIAL FED THERETO FOR EXTRUSION THERETHROUGH, SAID DIE MEANS INCLUDING A PLURALITY OF POSITIONABLE ELEMENTS OPERATIVE RESPECTIVELY ON THE OPENINGS FOR EFFECTING ADJUSTMENT OF THE RESISTANCES THEREOF TO THE PASSAGE OF MATERIAL THERETHROUGH; AND REGULATING MEANS ACTING ON AND CONTROLLING THE ELEMENTS FOR AUTOMATICALLY AND SIMULTANEOUSLY CAUSING SELECTIVE ADJUSTMENT OF THE RESISTANCES IN THE OPENINGS TO COMPENSATES FOR VARIATIONS, IN EACH OPENING AND AMONG THE OPENINGS, OF THE FRICTIONAL AND COMPRESSIBILITY CHARACTERISTICS OF THE MATERIAL REREIVED IN THE OPENINGS AND THEREBY TO PRODUCE IN THE OPENINGS SUCH RESPECTIVE RESISTANCES AS WILL MAINTAIN A SUBSTANTIALLY UNIFORM PRESSURE OF THE SAME PREDETERMINED VALUE ON THE MATERIAL COMPACTED THEREIN.