Stock material or miscellaneous articles – Coated or structually defined flake – particle – cell – strand,... – Rod – strand – filament or fiber
Patent
1992-10-30
1994-01-18
Ryan, Patrick J.
Stock material or miscellaneous articles
Coated or structually defined flake, particle, cell, strand,...
Rod, strand, filament or fiber
428376, 428397, 428 92, 428 97, D02G 300
Patent
active
052798976
ABSTRACT:
A carpet yarn containing continuous synthetic filaments having a four sided cross-sectional contour and four substantially equispaced continuous voids are disclosed. The voids have a substantially round or nonround shape, and each void is substantially centered on a side of the filament's contour.
REFERENCES:
patent: 3745061 (1973-07-01), Champaneria
patent: 4020229 (1977-04-01), Cox
patent: 4836763 (1989-06-01), Broaddus
patent: 5190821 (1993-03-01), Goodall et al.
Goodall Michael T.
Jackson Craig A.
Lin Perry H.
E. I. Du Pont de Nemours and Company
Edwards N.
Ryan Patrick J.
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