Process of producing crimped yarn for use in house furnishing fabrics

Claim 1

THE PROCESS OF MAKING AN IMPROVED FABRIC, WHICH COMPRISES STARTING WITH YARN OF MULTIFILAMENT CONTINUOUS FILAMENT THERMOPLASTIC SYNTHETIC FIBER HAVING A FIBER SIZE BETWEEN 1.5 AND 30 DENIER AND A YARN SIZE BETWEEN 50 AND 10,000 DENIER, AND KNITTING THIS YARN INTO A PREFABRIC AND PROGRESSING THE PREFABRIC LONGITUDINALLY THROUGH A STUFFER CRIMP BOX AND IN THE CRIMP BOX CRIMPING THE PREFABRIC AND SUPERIMPOSING PREFABRIC CRIMPS ON THE LOOP FORMATION OF THE KNITTED PREFABRIC, HEAT SETTING THE PREFABRIC IN AN AUTOCLAVE IN THE PRESENCE OF STEAM AT A TEMPERATURE BETWEEN 180* AND 270*F. TO SET BOTH THE LOOPS IN THE PREFABRIC AND THE CRIMPS FORMED IN THE CRIMP BOX, UNRAVELLING THE PREFABRIC TO PRODUCE CRIMPED YARN WHICH CONTAINS BOTH CRIMPS DUE TO THE LOOPS IN THE PREFABRIC AND CRIMPS FORMED IN THE STUFFING BOX BOTH SUPERIMPOSED ON THE YARN, AND PRODUCING A FABRIC IN WHICH THE YARN FORMS THE FACE.