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US 4,998,403 AGranted
Apparatus and method of covering spandex yarn
AssigneeBASF SE
InventorRay Bailey
Life of this patent
Estimating the term…
Abstract
A method and apparatus are disclosed for wrapping a cover yarn onto an elastic core yarn utilizing a "producer" package directly. The disclosed apparatus eliminates the conventional rewinding step used by garment material manufacturers.
Claims3
An adapter apparatus for an elastic yarn wrapping machine having an arbor for securing the wrapping yarn package against the step ledge, the adapter apparatus consisting essentially of:
- (a) a lower circuit plate having a center opening comprising substantially a slip fit over a package section of the arbor, but smaller than the step ledge, said lower plate having a circular groove in one face for receiving the end of the tube support for the wrapping yarn package;
- (b) an upper circuit plate having a center opening comprising substantially a slip fit over a package section of the arbor;
- and
- (c) means for securing the lower plate, a wrapping yarn package wound on a tube support and the upper plate in position on said arbor for unwinding the wrapping yarn.
1 more element
Dependencies are inferred from the claim text.