Seam for tube of cloth, fabric or flexible material

Details Seam for tube of cloth, fabric or flexible material Seam for tube of cloth, fabric or flexible material

1982-09-01

1985-04-23

Reynolds, Wm. Carter

Sewing

Products

Sewn web or sheet

112426, 112438, D05B 110, D05B 118

Patent

active

045122741

ABSTRACT:
This relates to a seam between two edge portions of fabric wherein one fabric edge portion is reversely folded beneath itself and the two edge portions are then disposed in overlapped relation with the two free edges of the fabric being generally aligned. Adjacent the folded edge there is a first line of stitching which extends through all three layers. There is also provided a second line of stitching which includes two needle threads and a single looper thread with one of the needle threads extending through all three thicknesses of the fabric and the second needle thread extending only through the one layer of fabric beyond the overlapped fabric portions. The second line of stitching includes a looper thread which not only extends between the loops of the two needle threads, but also transversely of the line of stitching between the adjacent needle thread loops wherein the looper thread serves to hold down and prevent unraveling of the free edges of the fabric. The two lines of stitching may be, particularly in the case of a tubular article being sewn, sewn on a modified feed-off-the-arm machine.

REFERENCES:
patent: 894567 (1908-07-01), Arbetter
patent: 1081197 (1913-12-01), Barnett
patent: 1822799 (1931-09-01), Christensen
patent: 2079569 (1937-05-01), Christensen
Federal Standard No. 751a, Jan. 25, 1965, Stitch Type 406, 519; Seam Type LSb-2.

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