Tufted carpet
AssigneeMinnesota Mining and Manufacturing Company
InventorsRichard F. Heine, Gene E. Tharp
Life of this patent
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Abstract
A tufted carpet having a backing which has thereon a plurality of first areas of tufts of fine denier fibers and a plurality of second areas of tufts of at least one looped, uncrimped, coarse denier fiber. Preferred patterns for the areas of tufts are alternating stripes or a checkerboard.
Claims14
A tufted carpet comprising a backing having thereon a plurality of first areas of tufts of the fine denier fibers and a plurality of second areas of tufts of at least one looped, uncrimped, coarse denier fiber, said tufts of coarse fiber being grouped together to provide openness in said carpet, wherein said openness is capable of easily receiving and obscuring dirt therein.
Tufted carpet comprising a backing having thereon a plurality of first areas of tufts of fine denier fibers and a plurality of second areas of tufts of at least one looped, uncrimped, coarse denier fiber, the tufts of looped, uncrimped coarse denier fiber(s) being shorter than the tufts of fine denier fibers, each of said areas being from about 5 mm to about 100 mm wide and being grouped together to provide openness in said carpet, said fine denier fibers being about 15 to 50 dpf, said coarse denier fibers being about 150 to 5000 dpf, the weight ratio of said fine denier fibers to said coarse denier fibers being about 1:3 to 3:1, said tufted carpet having a tufted pile face weight of at least about 500 grams per square meter and a fine denier pile height of at least about 5 mm.
Dependencies are inferred from the claim text.