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EQUIPMENT FOR SEWING MACHINES KNOWN AS 'OVERLOCKS' FOR OBTAINING A FLAT SEAM WHEN JOINING PIECES OF SHEER KNIT FABRIC, ESPECIALLY STOCKINGS, PANTY-HOSE, TIGHTS AND THE LIKE
EQUIPMENT FOR SEWING MACHINES KNOWN AS 'OVERLOCKS' FOR OBTAINING A FLAT SEAM WHEN JOINING PIECES OF SHEER KNIT FABRIC, ESPECIALLY STOCKINGS, PANTY-HOSE, TIGHTS AND THE LIKE
The equipment comprises in combination: a twin needle (15, 17)fed with two needle threads (F1, F2); an upper looper (30) fed with alooper thread (F3), and a lower spreader (31); a throat plate (36) withtwo slots (38, 40) for the needles (15, 17) and the stitch finger (42) onthe line of the cut (T) of increased width (D); and a thread-pulling arm(25) for pulling off an increased amount of the thread (F3) for the looperat each angular stroke.
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