Spindle for double twisting with pneumatic threading

Details Spindle for double twisting with pneumatic threading Spindle for double twisting with pneumatic threading

1978-04-24

1979-09-25

Petrakes, John

Textiles: spinning, twisting, and twining

Apparatus and processes

Threading up

57 587, 57 5883, D01H 786, D01H 1500

Patent

active

041686055

ABSTRACT:
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.

REFERENCES:
patent: 2715308 (1955-08-01), Soussloff et al.
patent: 3552111 (1971-01-01), Treus et al.
patent: 3731478 (1973-05-01), Franzen
patent: 3830051 (1974-08-01), Veltges
patent: 3945184 (1976-03-01), Franzen
patent: 3975893 (1976-08-01), Franzen

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