Crimped yarns and method for making them

Details Crimped yarns and method for making them Crimped yarns and method for making them

1975-08-29

1977-01-11

Kendell, Lorraine T.

Stock material or miscellaneous articles

Coated or structually defined flake, particle, cell, strand,...

Rod, strand, filament or fiber

428369, 428374, 428397, D02G 300, D02G 302

Patent

active

040027953

ABSTRACT:
This invention provides yarns of randomly crimped filaments which are associated together into a substantially cylindrical yarn. The filaments are made by extruding two different synthetic organic polymers simultaneously through the same elongated orifice and the polymers are fed to different orifices in different proportions or at different angles with respect to the axes of the orifices so that in some of the filaments the interface between the two polymer layers is along or parallel to the smaller axis of the cross-section thereof while the interface of other filaments is along or parallel to the larger axis.

REFERENCES:
patent: 3038236 (1962-06-01), Breen
patent: 3039524 (1962-06-01), Belck et al.
patent: 3180912 (1965-04-01), Rowe
patent: 3492692 (1970-02-01), Soda et al.
patent: 3547763 (1970-12-01), Hoffman

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