Apparatus for the false twisting of threads using friction disks

Details Apparatus for the false twisting of threads using friction disks Apparatus for the false twisting of threads using friction disks

1984-06-13

1985-11-12

Watkins, Donald

Textiles: spinning, twisting, and twining

Apparatus and processes

False twist device

57338, 57340, D01H 792, D02G 104

Patent

active

045519706

ABSTRACT:
A disk combination which permits a thread false-twisting device to be operated at a high withdrawal speed is disclosed. The false-twisting device has three parallel rotatable shafts. On a first shaft is a first inlet guide disk for guiding entering thread into a thread path. A second inlet guide disk on a second shaft guides the thread along the path. After the second inlet guide disk, a first working disk on the first shaft begins false-twisting the thread. The first working disk may be one of five working disks, each of which is positioned in the rotational direction from the preceding disk. After the last of the working disks the exiting thread contacts an outlet guide disk, also positioned in the rotational direction from the preceding disk. The disks may be made of a soft material, such as polyurethane, or may be rigid disks coated with a hard material such as nickel containing diamond particles. The thread can be drawn through the device at a speed in excess of 600 meters per minute.

REFERENCES:
patent: 3762149 (1973-10-01), Raschle
patent: 3932985 (1976-01-01), Naylor
patent: 3955350 (1976-05-01), Schuster
patent: 4134252 (1979-01-01), Otaki et al.
patent: 4218870 (1980-08-01), King
patent: 4333308 (1982-06-01), Schleyer
Conversion Instruction, FAG Nickel-Diamond or Polyurethane Friction, Single Discs on SCRAGG-Positorq Unit MK 1, DB 849-E.

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