Textiles: weaving – Fabrics – Drier felts
Patent
1996-08-13
1998-04-14
Falik, Andy
Textiles: weaving
Fabrics
Drier felts
D03D 4100, D03J 114
Patent
active
057381518
ABSTRACT:
A shed formation device with a frame assembly having at least two harnesses mounted for movement in the frame. Each harness includes a plurality of heddles through which CMD yarns are passed. The existing cross machine direction (CMD) yarns of the fabric pass over an out-feed bar mounted to the frame assembly as they exit the heddles. A replacement CMD yarn supply provides replacement CMD yarns to the heddles for reweaving with the machine direction (MD) yarns to form seam loops and finished fabric ends. The replacement CMD yarns pass over an in-feed bar, mounted to the frame assembly, prior to passing through the heddles. The harnesses are manipulated to form an unweaving shed in the existing CMD yarns and re-weaving shed in the replacement CMD yarns. Retractable expansion forks assist the unweaving and reweaving of the MD yarns. A leasing device captures MD yarns from the unweaving shed and releases them into the reweaving shed to form seam loops and finished ends.
REFERENCES:
patent: 4410015 (1983-10-01), Koller et al.
patent: 4572247 (1986-02-01), Speich
patent: 4985970 (1991-01-01), Krenkel et al.
patent: 5027483 (1991-07-01), Anderson
patent: 5092373 (1992-03-01), Lee
patent: 5103874 (1992-04-01), Lee
patent: 5117542 (1992-06-01), Krenkel et al.
patent: 5148838 (1992-09-01), Lee
patent: 5390708 (1995-02-01), Kuster et al.
Asten, Inc.
Falik Andy
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