Sewing – Method of sewing
Patent
1995-02-16
1997-10-14
Lewis, Paul C.
Sewing
Method of sewing
112290, 112295, 112301, 112166, 112199, D05B 6500, D05B 110
Patent
active
056760779
ABSTRACT:
A multi-needle chain stitch sewing machine with a thread thread severing system and method thereof for cutting needle threads between two isolated stitched patterns of a fabric. The multi-needle sewing machine includes a plurality of loopers and respective needles, a thread severing strip located in close proximity and transversely across each looper, and eccentric guides connected to the thread severing strip for extending the thread severing strip to cut the needle threads and for retracting the thread severing strip so that the thread severing strip does not contact the needle threads during the stitching operation. The method for sewing an array of isolated stitched patterns on a fabric including the steps of moving a plurality of loopers and respective needles to form an isolated stitched pattern; stopping the loopers after the needle thread is positioned around each looper; extending the thread severing strip, which is located in close proximity and transversely across each looper, in a direction toward the needle threads and in a side direction simultaneously such that the thread severing strip cuts the thread; and retracting the thread severing strip so as not to contact the needle thread during the stitch pattern forming operation.
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European Search Report No. EP 96 83 0065.
PFAFF.RTM. 3819 "Integrated Sewing Unit For Making Jeans Waistbands".
DCSP.RTM. System Meca "For Any Upholstery Sewing Stye".
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