Device for the wet treatment of artificial threads

Claim 1

A DEVICE FOR TREATING OF ARTIFICIAL THREADS WITH LIQUIDS WHICH PREVENT THE ARTIFICIAL THREADS FROM STICKING TO EACH OTHER DURING AFTER TREATMENT, COMPRISING A PAIR OF COOPERATING UPPER AND LOWER ROLLS HAVING THEIR AXES INCLINED TO EACH OTHER FOR ADVANCING A THREAD THEREOVER IN A SPIRAL PATH, THE LOWER OF SAID ROLLS HAVING A SURFACE OF TWO SECTIONS EACH SECTION CONSISTING OF CONTIGUOUS LONGITUDINAL FLUTINGS EXTENDING RADIALLY OUTWARDLY, THE SURFACE OF THE FLUTINGS CONVERGING AT AN ACUTE ANGLE AT THE OUTER EXTREMITY THEREOF, THE FLUTINGS IN ONE SECTION BEING OFFSET TO A POSITION BETWEEN THE FLUTINGS OF THE OUTER SECTION IN A CIRCUMFERENTIAL DIRECTION, THE FLUTINGS HAVING TOOTH-LIKE PORTIONS ON THE ENDS THEREOF WHICH DEFINE A ZIGZAG CHANNEL EXTENDING CIRCUMFERENTIALLY AROUND SAID LOWER ROLL, AND MEANS FOR INTRODUCING LIQUIDS TO SAID UPPER ROLL.

Claim 2

A DEVICE FOR TREATING OF ARTIFICIAL THREADS WITH LIQUIDS WHICH PREVENT THE ARTIFICIAL THREADS FROM STICKING TO EACH OTHER DURING AFTER TREATMENT, COMPRISING A PAIR OF COOPERATING UPPER AND LOWER ROLLS HAVING THEIR AXES INCLINED TO EACH OTHER FOR ADVANCING A THREAD THEREOVER IN A SPIRAL PATH, THE LOWER OF SAID ROLLS HAVING A SURFACE OF TWO SECTIONS EACH SECTION CONSISTING OF CONTIGUOUS LONGITUDINAL FLUTINGS EXTENDING RADIALLY OUTWARDLY, THE SURFACE OF THE FLUTINGS CONVERGING AT AN ACUTE ANGLE AT THE OUTER EXTREMITY THEREOF, THE FLUTINGS IN ONE SECTION BEING OFFSET TO A POSITION BETWEEN THE FLUTINGS OF THE OUTER SECTION IN A CIRCUMFERENTIAL DIRECTION, THE FLUTINGS HAVING TOOTH-LIKE PORTIONS ON THE ENDS THEREOF WHICH DEFINE A ZIGZAG CHANNEL EXTENDING CIRCUMFERENTIALLY AROUND SAID LOWER ROLL, AND MEANS FOR INTRODUCING LIQUIDS TO SAID UPPER ROLL.