Weft detection stopper for looms

Details Weft detection stopper for looms Weft detection stopper for looms

1984-03-27

1986-03-04

Jaudon, Henry S.

Textiles: weaving

Stopping

Weft

139435, D03D 5134

Patent

active

045734992

ABSTRACT:
Production of a weft defect on a cloth under weaving is detected by at least two weft detection units arranged side-by-side on a loom along the path of travel of inserted wefts for issuing a defect signal which is then subjected to automatic allocation of a corresponding penalty. Penalty-loaded defect signals are sequentially accumulated at a control counter so that the loom is stopped when a count at the control has exceeded a given threshold. When a defect is removed by manual mending on the loom during a dwell, a corresponding gain is automatically subtracted from the count at the control counter during sequential accumulation in order to subdue the count below the threshold and to allow restarting of the loom. Automatic inspection on the loom can be carried out on a level with conventional manual inspection of the loom.

REFERENCES:
patent: 4178590 (1979-12-01), Weidmann
patent: 4215728 (1980-08-01), Weidmann et al.
patent: 4384596 (1983-05-01), Brouwer et al.

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