| 摘要 |
A spindle for double twisting with pneumatic threading, comprising a tubular stationary part coaxially positioned above a rotatable part containing a yarn passage conduit therein, the stationary part and rotatable part together forming a nozzle creating a venturi effect along the axial portion of the yarn passage conduit, a pressurized fluid feed conduit in the rotatable part, the stationary part defining a reception and distribution chamber in communication with the pressurized fluid feed conduit, a pressurized fluid transport conduit, a yarn clamp within the tubular stationary part and a pneumatically operated piston for overcoming the braking pressure of the clamp.
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