Yarn false twister

Details Yarn false twister Yarn false twister

1975-11-17

1977-03-22

Watkins, Donald

Textiles: spinning, twisting, and twining

Apparatus and processes

Receiving twist type

D02G 104, D01H 792

Patent

active

040128962

ABSTRACT:
An apparatus and process for disc type friction false twisting, the disc having an inorganic yarn-engaging surface, with a critical surface texture of more than 75 and less than 400 peaks of at least 50 microinches in height per linear inch and a hardness greater than 975 on the Knoop.sub.100 scale. Preferably, the apparatus is an intermeshing disc friction false twist apparatus.

REFERENCES:
patent: 2923121 (1960-02-01), Tully
patent: 3073136 (1963-01-01), Dean
patent: 3094834 (1963-06-01), Deeley et al.
patent: 3287890 (1966-11-01), McIntosh et al.
patent: 3705488 (1972-12-01), Sholly et al.
patent: 3724196 (1973-04-01), Holland et al.
patent: 3762149 (1973-10-01), Raschle
patent: 3820317 (1974-06-01), Raschle
patent: 3875734 (1975-04-01), Dupeuble
patent: 3885378 (1975-05-01), Schuster
patent: 3901011 (1975-08-01), Schuster

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