Roving bobbin changing method and apparatus for spinning machine

Details Roving bobbin changing method and apparatus for spinning machine Roving bobbin changing method and apparatus for spinning machine

1994-07-20

1996-12-24

Stryjewski, William

Textiles: spinning, twisting, and twining

Apparatus and processes

Doffing or donning

57261, 57270, 57278, 57281, D01H 900, D01H 910

Patent

active

055864287

ABSTRACT:
Provided for a spinning machine, a roving bobbin changing apparatus which includes a roving end finding/pick-up section equipped with a roving end finding/pick-up mechanism at a leading side as viewed in a direction in which the roving bobbin changing apparatus is moved for roving bobbin exchange, and a roving tying/bobbin exchange section equipped with a roving bobbin exchanging means at a trailing side. The roving tying device is so disposed as to be movable between the roving end finding/pick-up section and the roving tying/bobbin exchange section. The roving tying device can be moved by a belt to a new roving grasping position in the roving end finding/pick-up section and a roving tying position corresponding to that of a full roving bobbin transfer means in the roving tying/bobbin exchange section. Operations for finding and picking up roving ends from a pair of full roving bobbins disposed on an auxiliary rail and operations for tying the rovings and transferring the full roving bobbins after the roving tying to bobbin hangers of a creel of a spinning machine are carried out in parallel.

REFERENCES:
patent: 4799353 (1989-01-01), Kawasaki et al.
patent: 4845935 (1989-07-01), Mack
patent: 4899531 (1990-02-01), Mack
patent: 5272865 (1993-12-01), Sasaki et al.
patent: 5280699 (1994-01-01), Igel et al.

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