Ring spinning frame

Details Ring spinning frame Ring spinning frame

1980-11-03

1983-05-24

Petrakes, John

Textiles: spinning, twisting, and twining

Strand structure

57252, 57328, 57350, D01H 528, D01H 102, D02G 300

Patent

active

043844480

ABSTRACT:
Improvements in conventional ring spinning processes of the type wherein a strand of staple fibers if drafted, twisted and collected on a ring spinning frame are obtained by the added step of subjecting the strand to the twisting action of a pneumatic false twister between the drafting and collecting steps. The added step improves performance and/or permits the process to be operated at higher front roll delivery speeds for any given spindle speed without sacrificing performance. The higher delivery speeds results in improvements in the productivity of the process and the apparent value of staple yarn produced thereby.

REFERENCES:
patent: 2091153 (1937-08-01), Martin
patent: 2515299 (1950-07-01), Foster et al.
patent: 2590374 (1952-03-01), Brown
patent: 2838903 (1958-06-01), Sutter
patent: 3079745 (1963-03-01), Breen et al.
Shimizu et al., "False-Twisting Mechanism of Air-Jet Twister", vol. 31; No. 9, 1975 Journal Society Fibers Science & Technology Japan (JSFSTJ.)
Shimizu et al., "Twist Distribution of Yarns on the Air-Jet False Twister", vol. 32; No. 1, 1976, (JSFSTJ).

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