Fabric width control system

Details Fabric width control system Fabric width control system

1997-05-30

1999-02-09

Varatta, A.

Textiles: cloth finishing

Expanding device for textile webs

Web-condition-responsive operation control

26 75, 26 76, 26 186, 356429, D06C 300, D06H 308

Patent

active

058678786

ABSTRACT:
A fabric width control system for a fabric compactor for compacting a moving fabric web. The system includes a vision assembly for measuring the width of the moving fabric web downstream of the fabric compactor. A mechanical spreader is located upstream of the fabric compactor for adjusting the width of the web in response to a control signal from an open loop controller. The controller is connected to the vision assembly and the mechanical spreader for controlling the position of the mechanical spreader in response to a change in the width of the moving fabric web from a pre-set value. In the preferred embodiment, a cloth stabilizer is located downstream of the fabric compactor for maintaining the moving fabric web at a pre-determined position with respect to the vision assembly, thereby further increasing the accuracy of the system.

REFERENCES:
patent: 2088984 (1937-08-01), Tandel
patent: 2312182 (1943-02-01), Meyer
patent: 3204109 (1965-08-01), Goodwin
patent: 3625048 (1971-12-01), Roitel
patent: 4062094 (1977-12-01), Kuroda
patent: 4275483 (1981-06-01), Roberson
patent: 4305185 (1981-12-01), Frezza
patent: 4414476 (1983-11-01), Maddox et al.
patent: 4559680 (1985-12-01), Gresens
patent: 4586372 (1986-05-01), Massen

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