Textiles: spinning – twisting – and twining – Apparatus and processes – Piecing up
Patent
1980-09-19
1982-11-02
Watkins, Donald
Textiles: spinning, twisting, and twining
Apparatus and processes
Piecing up
57279, 226 91, 242 18R, B65H 5128, D01H 902, D01H 1500
Patent
active
043566910
ABSTRACT:
A pair of draw-off rollers (10, 11) of a thread drawing-off device comprising an over-mounted pressure roller (11) which cooperates resiliently with a driven roller (10) which projects across the front of the pressure roller (11). The pressure roller (11) has at least one recess (113, 114) on its front face (110) which is dimensioned in such a way that it temporarily completely releases a thread (4) sliding along the surface of the driven roller (10) and lying adjacent to the front (110) of the pressure roller (11). By means of a device of this type, the thread (4) is drawn off, for the purposes of joining, to such an extent from the spool (31) that the thread (4) reaches the side (310) of the spool (31) which is facing away from the front (110) of the pressure roller (11) provided with recesses (113, 114). The thread is then introduced into the spinning chamber (2) and is joined. The thread is then guided, using the thread tension, past the front (110) of the pressure roller (11) provided with recesses (113, 114) and introduced into the clamping line of the pair of draw-off rollers (10, 11) and is immediately subjected at this point to a predetermined draw-off.
REFERENCES:
patent: 3355868 (1967-12-01), Civrny et al.
patent: 3680300 (1972-08-01), Landwehrkamp
patent: 3911658 (1975-10-01), Smith
patent: 3923260 (1975-12-01), Sakurai et al.
patent: 4002305 (1977-01-01), Takeuchi et al.
patent: 4060207 (1977-11-01), Miyazaki et al.
patent: 4221110 (1980-09-01), Smith
Bock Erick
Braun Erwin
Karl Rupert
Oexler Rudolf
Schreyer Franz
Schubert & Salzer
Watkins Donald
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