Spun yarn-like high bulky textured yarns and process for produci

Details Spun yarn-like high bulky textured yarns and process for produci Spun yarn-like high bulky textured yarns and process for produci

1979-02-21

1981-04-21

Petrakes, John

Textiles: spinning, twisting, and twining

Strand structure

Multifilament yarns

57247, 57285, 57288, 57289, 57908, D02G 102, D02G 304, D02G 324

Patent

active

042624819

ABSTRACT:
Spun yarn-like high bulky textured polyester yarns comprised of two types of polyester multifilament component yarns A and B and having broken filaments, in which textured yarns there is a difference in length between the component yarns A and B, whereby very high bulkiness is imparted thereto. The individual filaments of the component yarn A have a fineness and an intrinsic viscosity less than those of the component yarns B. The spun yarn-like high bulky textured yarns have satisfactory pilling resistance and frosting resistance.
The spun yarn-like high bulky textured yarns can be produced by a process comprising doubling two types of undrawn polyester multifilament yarns having different properties through an intertwisting regulative device and simultaneously draw-texturing the doubled undrawn yarns.

REFERENCES:
patent: 3857233 (1974-12-01), Cardinal et al.
patent: 4110965 (1978-09-01), Bradley et al.
patent: 4157419 (1979-06-01), Mirhej
patent: 4170867 (1979-10-01), Leininger

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