| 摘要 |
The invention relates to a pneumatic thread stretcher (T) for a rapier weaving machine or a knitting machine, in which the air current deflection surface ( 19 ) for deflecting the thread (Y, Y 1 ) forms a seamless extension ( 12 ) of the inner wall of the linear guide channel, through which the thread runs. The invention also relates to a device (H) for changing the flow rate or the pressure of the air current along the deflection surface ( 19 ) of the pneumatic thread stretcher (T) between at least two different levels, in accordance with the operating cycle o the textile machine.
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