Device for undoing yarn from tubular knitted fabric

Details Device for undoing yarn from tubular knitted fabric Device for undoing yarn from tubular knitted fabric

1991-07-31

1992-05-19

Schroeder, Werner H.

Textiles: manufacturing

Thread finishing

Fabrication-defabrication

28217, 242 355R, D02G 100

Patent

active

051135647

ABSTRACT:
The yarn undoing device comprises a rotary trunk for mounting the knitted fabric, a plurality of yarn winding rotary members disposed at a proper distance at an outer extended position upward of the rotary trunk, a drive device for rotating the rotary trunk in a direction opposite a direction where the yarn of the knitted fabric is undone and rotating it intermittently for a fixed amount of rotation set on the basis of a shifting range of the undoing of the yarn, a clutch provided on the yarn winding rotary members, a device for setting a shifting range of the undoing of the yarn to be drawn from the knitted fabric provided on the rotary trunk to a range where the yarn is rewound on the yarn winding rotary member without causing the twisting and the like and detecting an amount of a range where the yarn to be drawn from knitted fabric provided on the rotary trunk is undone, and a device for performing the engaging or disengaging operation of the clutch of the yarn winding rotary member and driving operation of the drive device of the rotary trunk on the basis of the undone amount of the yarn detected by the detecting device.

REFERENCES:
patent: 3861176 (1975-01-01), McWhirter et al.
patent: 3919749 (1975-11-01), McWhirter et al.
patent: 4327464 (1982-05-01), Hutcheson
patent: 4913252 (1990-03-01), Shepherd et al.

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