Sewing apparatus of tubular cloth

Details Sewing apparatus of tubular cloth Sewing apparatus of tubular cloth

1997-05-13

1998-06-23

Lewis, Paul C.

Sewing

Special machines

Having tube end tensioner

112272, 112306, D05B 2100

Patent

active

057690170

ABSTRACT:
The sewing apparatus of the invention is applied, for example, in sewing of a tape-form circular rib to the end portion of a tubular cloth such as the waist portion of briefs. A cutter 19 disposed in front of the needle drop point 5 of the sewing machine cuts the tubular cloth C along the direction matching with the cloth feed direction. A cloth end correcting device guides the end portion of the set tubular cloth C in a direction crossing the cutting line of the cutter 19. A cloth end detector 26 detects the end portion of the tubular cloth C at a first position on the cutting line parallel to the cloth feed direction passing through the cutter 19 and a second position remote from the cutting line in a direction crossing the cloth feed direction. This cloth end detector 26 detects at the first position from start of sewing to a first number of stitches, and for a second number of stitches before end of sewing, so that sewing with an attractive appearance is realized over the entire circumference without causing step difference in the end portion of the tubular cloth C.

REFERENCES:
patent: 5622129 (1997-04-01), Sahl
patent: 5657711 (1997-08-01), Price et al.

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