Elastane fiber spools provided with a variable application...

Details Elastane fiber spools provided with a variable application... Elastane fiber spools provided with a variable application...

2005-01-18

2005-01-18

Ahmad, Nasser (Department: 1772)

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

C428S034100, C428S035700, C428S376000, C428S377000

Reexamination Certificate

active

06844039

ABSTRACT:
The invention describes elastane packages on cylindrical tubes which are provided with a finishing oil content varying over the filament length, and a method for the production thereof. Instead of being applied uniformly along the filament, the finishing oil is distinctly increased on the outermost part, constituting in particular at least 3%, of the filament wound onto the tubes such that the oil coat in this region is at least 1.2 times higher than in the remaining region of the package. This gives rise to a finishing coat gradient of the package from the outside (high) inwards (low).

REFERENCES:
patent: 4772677 (1988-09-01), Kausch et al.
patent: 5560558 (1996-10-01), Wray
patent: 4 444 150 (1995-06-01), None
Patent Abstracts of Japan, Publication No. 63066073, Toray Du Pont KK.
Patent Abstracts of Japan, Publication No. 09301632, Nippon Ester Co Ltd.

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