Extrusion presses, particularly cable-sheathing presses

Claim 1

A CONTINUOUS EXTRUSION PRESS, COMPRISING: A MAIN EXTRUSION CHAMBER, AT LEAST ONE CONTAINER IN PERMANENTLY OPEN COMMUNICATION WITH THE MAIN EXTRUSION CHAMBER, A SUPPLY PASSAGE, PERPENDICULAR TO THE AXIS OF EXTRUSION, FROM THE CONTAINER TO THE MAIN EXTRUSION CHAMBER, A MAIN PRESS RAM FOR SUPPLYING EXTRUSION MATERIAL FROM THE CONTAINER THROUGH THE SUPPLY PASSAGE TO THE MAIN EXTRUSION CHAMBER, A DIE THROUGH WHICH MATERIAL CAN BE EXTRUDED FROM THE MAIN EXTRUSION CHAMBER, AT LEAST ONE TUBULAR STORAGE SPACE IN OPEN COMMUNICATION WITH THE MAIN STORAGE CHAMBER, AND AN AUXILIARY PRESS RAM RECIPROCABLE IN THE SAID TUBULAR STORAGE SPACE, SO THAT THE MAIN PRESS RAM, DURING ITS WORKING STROKE, IMPELS EXTRUSION MATERIAL FROM THE MAIN EXTRUSION CHAMBER PARTLY THROUGH THE DIE AND PARTLY INTO THE TUBULAR STORAGE SPACE, THUS REPELLING THE AUXILIARY PRESS RAM, WHEREAS DURING THE WITHDRAWAL OF THE MAIN PRESS RAM, THE AUXILIARY PRESS RAM RETURNS EXTRUSION MATERIAL FROM THE TUBULAR STORAGE SPACE TO THE MAIN EXTRUSION CHAMBER AND THEREBY IMPELS MATERIAL FROM THE MAIN EXTRUSION CHAMBER INTO THE DIE, THE PATH OF THE EXTRUSION MATERIAL FROM THE POINT WHERE IT LEAVES THE TUBULAR EXTRUSION SPACE TO THE POINT WHERE IT ENTERS THE DIE BEING SUBSTANTIALLY STRAIGHT.