Piecing method for a spinning machine

Details Piecing method for a spinning machine Piecing method for a spinning machine

1996-12-20

1998-09-22

Crowder, C. D.

Textiles: spinning, twisting, and twining

Apparatus and processes

Piecing up

57263, 57315, D01H 1326, D01H 528

Patent

active

058097643

ABSTRACT:
A piecing method for a spinning machine wherein, following stoppage of the spinning operations, after cutting the sliver (S) between the usually rotating draft rollers (13) and the stopped draft rollers (12) and before the restarting of drafting and spinning, the sliver (S) is once again cut between the usually rotating draft rollers (13) and the stopped draft rollers (12) by driving the stopped draft rollers (12) for a predetermined period of time and then stopping again, thus sliver (S) is supplied to the twisting part (2) by then driving the stopped draft rollers (12). Therefore, not only can the sliver fiber density of the sliver end supplied to the piecing area during piecing be increased, but that length of the tip of the sliver can also be shortened. Accordingly, the strength of the piecing part is increased and the length of the piecing part can be shortened.

REFERENCES:
patent: 4543776 (1985-10-01), Seiki et al.
patent: 5175982 (1993-01-01), Stahlecker
patent: 5359758 (1994-11-01), Stahlecker et al.
patent: 5511373 (1996-04-01), Banba
patent: 5619848 (1997-04-01), Costales

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