Device and method for the manufacture of a roving yarn by...

Details Device and method for the manufacture of a roving yarn by... Device and method for the manufacture of a roving yarn by...

2004-07-16

2010-02-16

Hurley, Shaun R (Department: 3765)

Textiles: spinning, twisting, and twining

Strand structure

Longitudinal variation

C057S317000, C057S350000

Reexamination Certificate

active

07661259

ABSTRACT:
The invention relates to a slubbing machine, the use of a twist application means, and a method for the manufacture of a roving yarn (9). The roving yarn (9) is manufactured according to the invention from a fiber assembly (3), which undergoes a true twist application (rotation) by mean of one or more air flows.

REFERENCES:
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patent: 4700538 (1987-10-01), Varga et al.
patent: 4858420 (1989-08-01), Stahlecker et al.
patent: 2003/0056488 (2003-03-01), Raasch
patent: 2007/0144136 (2007-06-01), Griesshammer et al.
patent: 572113 (1975-12-01), None
patent: 617465 (1977-05-01), None
patent: 3237989 (1986-10-01), None
patent: 375242 (1989-12-01), None

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