System for selvedging pile-type textile

Details System for selvedging pile-type textile System for selvedging pile-type textile

1991-09-30

1992-11-24

Schroeder, Werner H.

Sewing

Work manipulating

Guides

112153, D05B 3502, D05B 3510

Patent

active

051653532

ABSTRACT:
A piece of pile-type textile goods having a longitudinal pile-free edge strip of predetermined width is selvedged by moving the goods longitudinally in a transport direction sequentially through four folding stations and then through a stitching station. In the first folding station the outer two-thirds of the edge strip are folded up into a vertical position while the inner third of the edge strip is maintained flat and horizontal so that the edge strip is basically of L-section. Then in the second folding station the outer third of the edge strip is folded inward to a horizontal position while maintaining the inner third flat and horizontal and the middle third upright so that the edge strip is basically of C-section. In the third folding station the outer third of the edge strip is folded down to a vertical position next to and continuous with the middle third while the inner third is maintained flat and horizontal and the middle third upright. In the fourth folding station the outer and middle thirds of the edge strip are folded together down to a horizonal position atop the inner third while maintaining the inner third flat and horizontal. In the stitching station a sewing machine stitches vertically through the inner, middle, and outer thirds of the edge strip to stabilize the triple-folded edge strip.

REFERENCES:
patent: 4448138 (1984-05-01), Freermann
patent: 4450780 (1984-05-01), Freermann
patent: 4509440 (1985-04-01), Freermann
patent: 4548146 (1985-10-01), Okada
patent: 4570557 (1986-02-01), Freermann
patent: 4589361 (1986-05-01), Starnes et al.
patent: 4615287 (1986-10-01), Henze et al.
patent: 4648336 (1987-03-01), Ragnebring
patent: 4957052 (1990-09-01), Sotome et al.

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