Textiles: spinning – twisting – and twining – Apparatus and processes – Web material
Patent
1977-05-02
1978-08-22
Gorenstein, Charles
Textiles: spinning, twisting, and twining
Apparatus and processes
Web material
57 5889, 57156, D01H 1500
Patent
active
041079574
ABSTRACT:
A method and apparatus is provided for accommodating transfer of yarn supplied by an open-end spinning machine from a mobile piecing device to a spinning assembly. The yarn transfer apparatus includes a mechanism for automatically adjusting the speed of the yarn take-off during the transfer from the piecing device to the spinning assembly, for ensuring a continuous uniform denier of the yarn produced both before, during, and after the yarn transfer movement. Preferred embodiments include mechanisms for accommodating the shortening of the travel path between the spinning rotor and a winding spool at the spinning assembly resulting during this yarn transfer. Certain embodiments include direct control of the sliver feed to the spinning rotor so as to correspond to the change in speed of the yarn take-off during the transfer, while other embodiments leave the sliver feed unaffected while adjusting the yarn take-off mechanism to avoid changes in yarn take-off speed that would otherwise affect the quality of the yarn after the piecing operation.
REFERENCES:
patent: 3810352 (1974-05-01), Miyazaki et al.
Stahlecker Fritz
Stahlecker Hans
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