Device for spinning staple fibers

Claim 1

IN AN APPARATUS FOR SPINNING STAPLE FIBERS: HOUSING MEANS, AN OPENING-UP ROLLER ROTATABLY ARRANGED IN SAID HOUSING MEANS AND HAVING ITS OUTER PERIPHERAL WALL PROVIDED WITH NEEDLES, MEANS FOR FEEDING A FIBER STRAND TO BE PROCESSED INTO SAID HOUSING MEANS AND ONTO SAID OUTER PERIPHERAL WALL OF SAID OPENING-UP ROLLER, A SPINNING ROLLER ROTATABLY MOUNTED IN SAID HOUSING MEANS AND PROVIDED WITH A CIRCULAR FLANGE HAVING PERFORATIONS THERETHROUGH AND HAVING ITS INNER PERIPHERAL WALL PORTION PROVIDED WITH NEEDLES INCLINED IN THE DIRECTION OF ROTATION OF SAID SPINNING ROLLER, FIBER DISTRIBUTING MEANS ARRANGED WITHIN SAID HOUSING MEANS AND CONFINING A CIRCULAR GROOVE ADJACENT TO AND OPENING UP TOWARD SAID INNER PERIPHERAL WALL PORTION, CONDUIT MEANS ESTABLISHING COMMUNICATION BETWEEN SAID OUTER PERIPHERAL WALL OF SAID OPENING-UP ROLLER AND SAID CIRCULAR GROOVE, AIR FLOW PRODUCING MEANS COMMUNICATING WITH THE INTERIOR OF SAID HOUSING MEANS FOR CONVEYING FIBERS FROM SAID OUTER PERIPHERAL WALL OF SAID OPENING-UP ROLLER THROUGH SAID CONDUIT MEANS AND SAID CIRCULAR GROOVE ONTO SAID INNER PERIPHERAL WALL PORTION, AND MEANS FOR WITHDRAWING IN A CONTINUOUS MANNER FIBERS FROM SAID INNER PERIPHERAL WALL PORTION AND TWISTING THE SAME.