High speed texturing

Details High speed texturing High speed texturing

1974-09-10

1976-05-18

Watkins, Donald E.

Textiles: spinning, twisting, and twining

Apparatus and processes

Elements

D02G 102, D01H 792, D01H 1328

Patent

active

039568784

ABSTRACT:
A process is described for false twist texturing polyester filament yarn at greatly enhanced speeds while inserting comparable twist levels and obtaining comparable yarn bulk without increasing yarn heat setting lengths. The process is particularly adopted to the utilization of partially oriented yarns in a draw texturing operation utilizing friction twisting as the means for simultaneously drawing and heat setting the yarn in a twisted state.

REFERENCES:
patent: 3535866 (1970-10-01), Tsuruta et al.
patent: 3695026 (1972-10-01), Taylor
patent: 3706192 (1972-12-01), Leibbrand et al.
patent: 3772872 (1973-11-01), Piazza et al.
patent: 3780515 (1973-12-01), Waters
patent: 3796036 (1974-03-01), Parker
patent: 3816994 (1974-06-01), Small
patent: 3877213 (1975-03-01), McFarlane

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