Method for winding a covered yarn

Details Method for winding a covered yarn Method for winding a covered yarn

1988-12-12

1990-02-13

Hail, III, Joseph J.

Textiles: spinning, twisting, and twining

Apparatus and processes

Piecing up

57 18, 57 80, 57313, 242 18R, 242 356R, D01H 1316, D01H 1500

Patent

active

048995290

ABSTRACT:
A method for winding a covered yarn in a covered yarn manufacturing machine. A non-elastic yarn is supplied from a wrapping yarn bobbin and is wrapped around a core yarn made of an elastic yarn to form a covered yarn. The covered yarn is traversed by a traverse guide along a winding bobbin and is wound around the winding bobbin. The traverse guide is displaced along the winding bobbin to a position outside a normal traversing region when the non-elastic yarn on the wrapping yarn bobbin has almost consumed. Thereafter, the covered yarn manufacturing machine is stopped. Then, the consumed wrapping yarn bobbin of non-elastic yarn at supply is replaced by a new wrapping yarn bobbin of non-elastic yarn. The covered yarn manufacturing machine is restarted. The above-described steps of the displacing, the stopping, the replacing and the restarting are repeated with regard to one winding bobbin. In this case, the positions to which the traverse guide is displaced are gradually away from the normal traversing region as the steps are repeated. Finally, the traverse guide is stopped in the normal traversing region after repeat of the steps to form bunch windings on the package.

REFERENCES:
patent: 2084101 (1937-06-01), Meadows
patent: 3034736 (1962-05-01), Rhein
patent: 3237391 (1966-03-01), Carruthers
patent: 3983687 (1976-10-01), Lewis
patent: 4170101 (1979-10-01), Bock
patent: 4391089 (1983-07-01), Billner et al.
patent: 4525992 (1985-07-01), Payen
patent: 4771960 (1988-09-01), Yamamoto et al.

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