Yarn kind changing process for a spinning winder

Details Yarn kind changing process for a spinning winder Yarn kind changing process for a spinning winder

1988-01-22

1989-07-04

Watkins, Donald

Winding, tensioning, or guiding

Coil holder or support

Spool or core

242 355R, 242 356E, 57267, 57266, B65H 5400

Patent

active

048443573

ABSTRACT:
A yarn kind changing process for a spinning winder which comprises the steps of stopping winding of a bobbin being wound on a spinning spindle after a yarn kind changing instruction, cutting a sliver which extends between a draft part of a spinnig frame and a yarn supply station and joining a supply side sliver of a different kind to the sliver remaining on the draft part, starting the spindle again to wind yarn of the new kind on a layer of the yarn of the preceding kind on a winding bobbin, and removing the yarn of the new kind wound on the yarn of the preceding kind before the fully wound bobbin doffed from the spindle is subsequently supplied to a winder.

REFERENCES:
patent: 3398906 (1968-08-01), Bell
patent: 4660780 (1987-04-01), Otoshima
patent: 4723720 (1988-02-01), Matsui et al.
patent: 4735369 (1988-04-01), Suzuki

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