Thread-guiding device for open-end spinning frames

Details Thread-guiding device for open-end spinning frames Thread-guiding device for open-end spinning frames

2005-06-14

2005-06-14

Calvert, John J. (Department: 3765)

Textiles: spinning, twisting, and twining

Apparatus and processes

Strand guiding or guarding

C057S400000

Reexamination Certificate

active

06904745

ABSTRACT:
Thread-guiding device for collecting spun yarns on bobbins, particularly for open-end spinning frames, constituted by a common thread-guiding rod which carries the thread-guides for the spinning stations, said rod being operated in alternative movement in front of the bobbins being formed by a linear electric motor driven by the control unit of the spinning frame in its alternate backward and forward movement as regards instantaneous speed, amplitude of excursion, and axial coordinates of the ends of the travel of the thread-guiding rod.

REFERENCES:
patent: 3853278 (1974-12-01), Berecz et al.
patent: 5973459 (1999-10-01), Itoh
patent: 2003/0218091 (2003-11-01), Badiali et al.
patent: 199 21 630 (2000-11-01), None
patent: 0 905 869 (1999-03-01), None
patent: 1 002 036 (1997-07-01), None
patent: WO 02/098777 (2002-12-01), None
EPO Search Report.

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