Method for the manufacture of elastic twisted yarns
AssigneeHamel AG
InventorGerhard Kempf
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Abstract
The invention relates to a method for the manufacture of an elastic twisted yarn, whereby at least one outer yarn is wound around an expanded, elastic core yarn and in a first process step the outer yarn is wound around the core yarn with a winding speed which is less than the nominal speed of the finished twisted yarn, the thus formed intermediate yarn is wound up, and the in-between yarn is twisted in the same direction of rotation in a second process step. In the first process step the outer yarn is wound with the help of a double-pot spindle and at a winding rate of above 50% of the nominal speed without a balloon around the core yarn, and the second process step is carried out on a double-twist spindle.
Claims3
A method for the manufacture of an elastic twisted yarn, whereby at least one outer yarn is wound around an expanded, elastic core yarn, and in a first process step the outer yarn is wound around the core yarn with a winding speed which is less than the nominal speed of the finished twisted yarn, the thus formed in-between yarn is wound up and the in-between yarn is twisted in a second process step in the same direction of rotation in order to obtain the desired nominal speed of the finished twisted yarn, wherein in the first process step the outer yarn is wound with the help of a double-pot spindle and at a winding rate of above 50% of the nominal speed without a balloon around the core yarn, and the second process step is carried out on a double-twist spindle.
Dependencies are inferred from the claim text.