Twist tube for false-twisting devices

Details Twist tube for false-twisting devices Twist tube for false-twisting devices

1976-11-29

1977-08-09

Watkins, Donald

Textiles: spinning, twisting, and twining

Apparatus and processes

Receiving twist type

D02G 106

Patent

active

040402428

ABSTRACT:
A twist tube for a false-twisting device for texturing textile yarns has an enlarged end in which the bore has an oblong cross-section with both the major and minor axes substantially longer than the bore of the main portion of the tube. The thread guide pin extends in the direction of the minor axis between flat sides of the bore which are joined at each end by arcuate sides. Two circular, coaxial openings extend from outside the enlarged end to the arcuate sides. The oblong shape and these openings assist the threading of the twist tube. The thread guide pin is displaced laterally with respect to the longitudinal axis of the main portion of the tube by a fraction of the pin diameter. The axis of the openings, which is perpendicular to the pin axis, is displaced from the pin axis by a similar fraction, towards the main portion of the tube.

REFERENCES:
patent: 2463619 (1949-03-01), Kunzle
patent: 3232036 (1966-02-01), Scragg
patent: 3475895 (1969-11-01), Raschle
patent: 3778991 (1973-12-01), Brummer
patent: 3983686 (1976-10-01), Raschle

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