Process and an arrangement for producing packages to be used as feeding packages for twisting
AssigneeHans Stahlecker
InventorFritz Stahlecker
Life of this patent
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Abstract
In a process for producing packages used as feeding packages for twisting, onto which two prestrengthened yarn components are wound side-by-side as a double yarn, it is provided that, when one of the two yarn components breaks, the other yarn component is cut in such a manner that the lengths of the two yarn components are at least approximately the same. As an alternative, it is provided that, when one yarn component breaks, the partially completed package is stopped, before the broken end has moved onto the partially completed package.
Claims22
A process for producing packages for use as feeding packages for a subsequent twisting operation, comprising:
- drafting two slivers by passing them through respective drafting units,
- passing said slivers through respective false twisting devices arranged downstream of said drafting units to thereby form two separate prestrengthened yarn components,
- winding the two yarn components onto a package side-by-side one another without being twisted together to thereby form a prestrengthened double yarn package for a subsequent twisting operation which will twist the two yarn components together,
- and selectively cutting said yarn components in the event of breakage of at least one of said yarn components such that the lengths of the two yarn components are at least approximately the same, thereby facilitating location of ends of the yarn components on the package for a subsequent piecing operation.
Apparatus for producing packages for use as feeding packages for a subsequent twisting operation, comprising:
- drafting means for drafting two slivers,
- false twisting devices arranged downstream of said drafting means to thereby form two separate prestrengthened yarn components,
- winding means for winding the two yarn components onto a package side-by-side one another without being twisted together to thereby form a prestrengthened double yarn package for a subsequent twisting operation which will twist the two yarn components together,
- and cutting means for selectively cutting said yarn components in the event of breakage of at least one of said yarn components such that the lengths of the two yarn components are at least approximately the same, thereby facilitating location of ends of the yarn components on the package for a subsequent piecing operation.
A process for producing packages for use as feeding packages for a subsequent twisting operation, comprising:
- drafting two slivers by passing them through respective drafting units,
- passing said slivers through respective false twisting devices arranged downstream of said drafting devices to thereby form two separate prestrengthened yarn components,
- winding the two yarn components onto a package side-by-side one another without being twisted together to thereby form a prestrengthened double yarn package for a subsequent twisting operation which will twist the two yarn components together,
- and selectively controlling the winding in the event of interruption of at least one of said yarn components such that the packages stop before the interrupted end has moved onto the package, thereby facilitating location of ends of the yarn components on the package for a subsequent piecing operation.
Apparatus for producing packages for use as feeding packages for a subsequent twisting operation, comprising:
- drafting means for drafting two slivers,
- false twisting devices arranged downstream of said drafting devices to thereby form two separate prestrengthened yarn components,
- winding controlling means for winding the two yarn components onto a package side-by-side one another without being twisted together to thereby form a prestrengthened double yarn package for a subsequent twisting operation which will twist the two yarn components together,
- and selectively controlling the winding in the event of interruption of at least one of said yarn components such that the packages stop before the interrupted end has moved under the package, thereby facilitating location of ends of the yarn components on the package for a subsequent piecing operation.
Dependencies are inferred from the claim text.