Method and apparatus for treating tubular knitted goods

Details Method and apparatus for treating tubular knitted goods Method and apparatus for treating tubular knitted goods

1999-04-27

2000-01-25

Vanatta, Amy B.

Textiles: cloth finishing

Expanding device for textile webs

Tubular-fabric-enclosed spreader

26106, D06C 500, D06C 700

Patent

active

06016591&

ABSTRACT:
In a method and an apparatus for treating tubular knitted goods containing elastomeric fibers, the goods are effectively relaxed, expanded, and heat fixed or set in the desired expanded condition, while maintaining the tubular configuration of the goods and without cutting open and re-sewing the tubular configuration of the goods. The tubular knitted goods are continuously transported through a relaxing process followed by a heat fixing process and then a cooling process, while constantly maintaining the tubular structure of the goods. The goods are expanded in the radial or width direction by a tubular expander, and in the lengthwise direction by being transported between a feed roller arrangement and a draw-off roller arrangement operating at different transport velocities respectively. The temperature in the heat fixing chamber is preferably over 200.degree. C. and the transport velocity of the tubular knitted goods can be greater than 18 m/min.

REFERENCES:
patent: 3909890 (1975-10-01), Frezza
patent: 4134188 (1979-01-01), Bryan
patent: 4430779 (1984-02-01), Rockman et al.
patent: 4446632 (1984-05-01), Dornier
patent: 4608767 (1986-09-01), Dornier
patent: 4875260 (1989-10-01), Vecchia

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