Method and apparatus for spinning and stretching viscose rayon

Claim 1

IN A COMBINATION OF APPARATUS FOR THE PRODUCTION OF VISCOSE RAYON REQUIRING TWO SEPARATE BATHS FOR STRETCHING AND REGENERATING CELLULOSE FILAMENTS FROM A VISCOSE SPINNING SOLUTION, THE IMPROVEMENT WHICH COMPRISES: MEANS TO EXTRUDE A PLURALITY OF FILAMENTS OF VISCOSE INTO A FIRST ACID COAGULATING BATH, GUIDE MEANS TO COLLECT SAID PLURALITY OF FILAMENTS INTO A WIDE BAND OF CLOSELY ASSOCIATED FILAMENTS, A FEED ROLL MEANS AND A GUIDE ROLL MEANS ARRANGED VERTICALLY WITH RESPECT TO EACH OTHER WHICH ENGAGE AND VERTICALLY TRANSPORT AND STRETCH SAID FILAMENTS IN A WIDE BAND, AT LEAST ONE PAIR OF OPPOSITELY DISPOSED SPRAY NOZZLES ARRANGED NEAR THE TOP OF SAID WIDE BAND BETWEEN SAID FEED AND DRAW ROLL MEANS, SAID NOZZLES BEING LOCATED TO SPRAY A HOT BATH LIQUID AGAINST SAID WIDE BAND OF FILAMENTS SO THAT THE BATH LIQUID FLOWS DOWNWARDLY ON THE FILAMENTS, AND MEANS TO COLLECT THE BATH LIQUID NEAR THE LOWER END OF SAID WIDE BAND BETWEEN SAID FEED AND DRAW ROLL MEANS.