Method and apparatus for threading roving into a running set of

Details Method and apparatus for threading roving into a running set of Method and apparatus for threading roving into a running set of

1987-07-31

1989-07-11

Watkins, Donald

Textiles: spinning, twisting, and twining

Apparatus and processes

Piecing up

D01H 1500

Patent

active

048459356

ABSTRACT:
In the threading of roving coming from a roving bobbin into a running set of drafting rolls of a work station of a spinning machine, the beginning end of the roving coming from the roving bobbin is grasped and brought into the set of drafting rolls bypassing at least the first (upstream-most) pair of rolls and is delivered to the drafting rolls downstream thereof. Only then is the roving fed into the set of drafting rolls bypassing at least the first pair of rolls inserted laterally in the preceding (bypassed) roll pair or pairs from a side of the free or unjournaled end of the upper roll.

REFERENCES:
patent: 4438622 (1984-03-01), Pons
patent: 4503662 (1985-03-01), Horiuchi et al.
patent: 4535944 (1985-08-01), Nakahara et al.
patent: 4543776 (1985-10-01), Seiki et al.
patent: 4619109 (1986-10-01), Suzuki et al.
patent: 4620413 (1986-11-01), Anahara et al.
DE-Z Melliand Textilberichte, 6, 1984, S.379-383.

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