Ringless spinning apparatus with easily cleanable spinning chamber

Claim 1

IN A RINGLESS SPINNING APPARATUS FOR TEXTILE FIBERS, IN COMBINATION, SPINNING CHAMBER MEANS COMPRISING TWO COAXIAL ROTARY HOLLOW BODIES HAVING INNER FRUSTO-CONICAL SURFACES, SAID HOLLOW BODIES BEING MOVABLE IN AXIAL DIRECTION RELATIVE TO EACH OTHER BETWEEN A SPINNING POSITION IN WHICH THE FRUSTO-CONICAL SURFACES MEET EACH OTHER ALONG THE LARGE DIAMETER EDGES OF SAID SURFACES TO FORM ALONG SAID EDGES A COLLECTING SURFACE FOR FIBERS FED INTO THE SPINNING CHAMBER MEANS, AND A CLEANING POSITION IN WHICH SAID EDGES ARE AXIALLY SPACED FROM EACH OTHER TO FORM AN ANNULAR GAP THEREBETWEEN PERMITTING ESCAPE OF IMPURITIES COLLECTING ON SAID COLLECTING SURFACE DURING THE SPINNING PROCESS TO THE OUTER ATMOSPHERE; MEANS COOPERATING WITH SAID SPINNING CHAMBER MEANS FOR CREATING SUBATMOSPHERIC PRESSURE THEREIN DURING ITS ROTATION ABOUT ITS AXIS; MOUNTING MEANS MOUNTING ONE OF SAID HOLLOW BODIES TURNABLE ABOUT ITS AXIS BUT IMMOVABLE IN AXIAL DIRECTION; MOVING MEANS COOPERATING WITH THE OTHER OF SAID BODIES FOR MOVING THE SAME IN AXIAL DIRECTION RELATIVE TO SAID ONE BODY BETWEEN SAID SPINNING AND SAID CLEANING POSITIONS; AND ROTATING MEANS COOPERATING WITH SAID SPINNING CHAMBER MEANS FOR ROTATING THE SAME ABOUT ITS AXIS.