Method and apparatus for feeding thread pneumatically in drawing

Details Method and apparatus for feeding thread pneumatically in drawing Method and apparatus for feeding thread pneumatically in drawing

1990-03-28

1992-01-14

Reynolds, W. C.

Textiles: manufacturing

Warp preparing or handling

Machine replenishing

D03J 114

Patent

active

050798111

ABSTRACT:
A feed method of feeding a thread wound on a bobbin to a thread drawing-in apparatus through first and second suction nozzles, comprising the steps of: advancing the thread to a first position between the bobbin and the first suction nozzle, along an axis; gripping the advanced thread at the first position and then drawing the thread at the first position in a predetermined direction substantially perpendicular to the axis of a first predetermined length; gripping the drawn thread at a second position between the bobbin and the first position and also releasing the drawn thread at the first position, and then feeding the drawn thread to the thread drawing-in apparatus; gripping the fede thread at a third position between the second suction nozzle and the thread drawing-in apparatus and also releasing the thread at the first and second positions, and then drawing the thread at the third position in the predetermined direction by a second predetermined length; and cutting the thread that has been drawn by the second predetermined length.

REFERENCES:
patent: 4723346 (1988-02-01), Tachibana et al.
patent: 4894893 (1990-01-01), Okuda
patent: 4916784 (1990-04-01), Tachibana et al.

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