Textiles: cloth finishing – Stretching or spreading and working – Weft angle adjusting
Patent
1990-03-30
1991-07-30
Schroeder, Werner H.
Textiles: cloth finishing
Stretching or spreading and working
Weft angle adjusting
D06H 312
Patent
active
050350307
ABSTRACT:
The apparatus comprises in combination: a computerized opto-electronic reader (3), able to control the fabric pattern moving along a linear transverse inspection zone, said reader being capable of detecting data of pattern deviation from a reference pattern; and a set of actuators (9, 10, 11, 12, 13, . . . N-2, N-1, N) with respective servomotors, with encoder or the like, controlled by the signals emitted by said opto-electronic reader (3). The actuators are disposed to act each on a corresponding fabric zone, to locally correct the pattern deviations detected by the opto-electronic reader.
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patent: 3721809 (1973-03-01), Strandberg, Jr. et al.
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patent: 4890924 (1990-02-01), Beckstein
Automatic Weft Straightening Equipment, A. P. Worthington, A.T.I. The Textile Manufacturer, Jul. 1970, pp. 266-273.
Calvert John J.
Schroeder Werner H.
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