公开(公告)号：US3605221A

公开(公告)日：1971-09-20

申请号：US3605221D

申请日：1969-08-08

申请人： FIBER INDUSTRIES INC

发明人： BINFORD JACK C ,  ETHRIDGE FREDRICK A ,  TALBOT JAMES R ,  HARRISON DERYK W

IPC分类号： D02G1/12

CPC分类号： D02G1/127

摘要： A STUFFER BOX CRIMPER AND METHOD FOR CRIMPING FILAMENTARY MATERIAL, PARTICULARLY YARNS OF CONTINUOUS SYNTHETIC ORGANIC FILAMENTS, WHEREIN THE YARN IS CRIMPED AND UNIFORMLY WITHDRAWN FROM THE CRIMPER WITH A MINIMUM OF TENSION VARIATION. YARN FED TO THE APPARATUS IS COMPACTED AGAINST DOCTOR BLADES WHICH FORM OPPOSING SIDEWALLS OF THE STUFFER CHAMBER AND FRONT AND BACK PLATES WHICH COMPLETE THE STUFFER CHAMBER. THE YARN PROCEEDS THROUGH THE CHAMBER PACKED AGAINST THE CONFINING DOCTOR BLADES. THE DOCTOR BLADES DIVERGE A PREDETERMINED FRICTION-REDUCING AMOUNT WHILE BACK PRESSURE PRODUCING MEANS IN THE FRONT AND/OR BACK PLATE CALLED STABILIZERS, CONVERGE ON THE CONFINED YARN IN THE CHAMBER IN A DIRECTION GENERALLY PARALLEL TO THE DOCTOR BLADES AND AT AN

ANGLE OF 45 TO 135 DEGREES THERETO, THEREBY CHANGING THE FRICTIONAL IMPEDIMENT ON THE YARN FROM THE DOCTOR BLADES TO THE STABILIZER. THE CO-ACTION OF THE DOCTOR BLADES AND THE STABILIZER RESULTS IN THE FREE RELEASE OF CRIMPED YARN FROM THE CHAMBER IN A SMOOTH MANNER, THEREBY REDUCING VARIATIONS IN THE YARN TO A LEVEL SUITABLE FOR THE PIECE DYEING OF PRODUCTS PRODUCED THEREFROM WITH A MINIMUM OF DYE VARIABILITY.