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US 7,247,352 B2Granted
Method for manufacturing a carpet with improved liquid barrier properties
AssigneeColumbia Insurance Company
InventorDennis J. Jones, Jr.
Life of this patent
Estimating the term…
Abstract
A method of producing carpet having the steps of: providing a carpet having a pile side formed from yarn fibers projecting through a primary backing layer, and an underside region comprising back stitch yarn fibers and the primary backing layer; applying effective repellency enhancing amounts of a first repellency enhancing compound to the pile side; applying a liquid repellency enhancing compound to the underside region to provide improved liquid barrier properties in the region; and applying separately a coating or latex layer to the underside region.
Claims20
A method of producing carpet, comprising the steps of:
- (a) providing a carpet having a pile side formed from yarn fibers projecting through a primary backing layer, and an underside region comprising back stitch yarn fibers and the primary backing layer;
- (b) applying effective repellency enhancing amounts of a first repellency enhancing compound to the pile side;
- (c) applying a liquid repellency enhancing compound to the underside region to provide improved liquid barrier properties in the region;
- and
- (d) applying separately a coating or latex layer to the underside region, wherein step (b) is performed separately from step (c).
2 more elements
Dependencies are inferred from the claim text.