Patent ID: 6814807
Filing Date: 2004-11-09
Classification: B05C,D06B

Abstract:
An apparatus for uniformly applying a fluid to an individual advancing yarn, said apparatus comprising a slot applicator having at least one slot for receiving the advancing yarn and for bringing the advancing yarn into contact with the fluid being metered into said slot, said slot having opposed sides and having a width, a height, and a length for affecting the distribution of the fluid onto the advancing yarn, said width being a distance between said opposed sides allowing for the passage of the advancing yarn between said opposed sides of said slot and to maintain the fluid retained between said opposed sides in contact with the advancing yarn passing therethrough, said length being greater than said width, said length beginning at the location of introduction of the fluid into said slot and extending to the end of said slot where the advancing yarn exits said slot applicator, and providing the advancing yarn a residence time in said slot defined by said length of said slot divided by the speed of the advancing yarn of at least about 0.03 seconds wherein the yarn advancing through said slot advances at a rate of at least approximately 100 yards per minute.