Method and apparatus for yarn piecing in a ringless spinning mac

Details Method and apparatus for yarn piecing in a ringless spinning mac Method and apparatus for yarn piecing in a ringless spinning mac

1983-08-09

1985-01-22

Watkins, Donald

Textiles: spinning, twisting, and twining

Apparatus and processes

Piecing up

D01H 1500

Patent

active

044943717

ABSTRACT:
Method and apparatus for yarn piecing in a ringless spinning machine is provided, according to which yarn piecing is accomplished by unwinding a yarn from its package, rewinding a portion of the unwound yarn on to the package at one, definite position, cutting off the yarn end to a predetermined length, then introducing the cut end of the yarn into the spinning mechanism of the spinning unit, and then withdrawing the yarn from the spinning unit after the yarn end is connected with the fibers in the spinning mechanism.

REFERENCES:
patent: 3821878 (1974-07-01), Parsons
patent: 3962855 (1976-06-01), Stahlecker
patent: 3999862 (1976-12-01), Schulz et al.
patent: 4107957 (1978-08-01), Stahlecker et al.
patent: 4120140 (1978-10-01), Raasch et al.
patent: 4132056 (1979-01-01), Husges et al.
patent: 4163358 (1979-08-01), Takeuchi et al.

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