US 7,601,413 B2
Random installation carpet tiles
Sydney D. Daniel, LaGrange, Ga. (US); and David D. Oakey, LaGrange, Ga. (US)
Assigned to Interface, Inc., Atlanta, Ga. (US)
Filed on May 15, 2006, as Appl. No. 11/433,977.
Application 11/433977 is a continuation of application No. 10/417630, filed on Apr. 16, 2003, abandoned.
Application 10/417630 is a continuation of application No. 09/783354, filed on Feb. 14, 2001, granted, now 6,908,656.
Prior Publication US 2006/0240210 A1, Oct. 26, 2006
This patent is subject to a terminal disclaimer.
Int. Cl. B32B 3/14 (2006.01); B32B 33/00 (2006.01)
U.S. Cl. 428—88  [428/89; 428/44; 428/48] 15 Claims
OG exemplary drawing
 
1. Carpet tiles comprising tile edges and textile faces, each face having a pattern comprising a plurality of shapes having shape edges, wherein the pattern on each tile face comprises:
a. a plurality of shapes, at least two of which are adjacent to each other and comprise at least one common color;
b. a first yarn having at least one color and a second yarn having at least one color different from the at least one color of the first yarn;
c. a shape comprising at least one shape edge parallel to a first pair of opposed edges of the tile on which the shape appears and at least one shape edge parallel to a second pair of opposed edges of the tile on which the shape appears;
wherein:
d. the tiles all comprise the at least one color of the first yarn;
e. at least some of the tiles comprise at least one color in common in addition to the at least one color of the first yarn;
f. each tile comprises a color of intensity similar to the intensity of a color on another tile; and
g. when the tiles are assembled on a flooring surface so that each tile is adjacent to and abuts at least one other tile, the tiles exhibit orthogonal ambiguity without pattern alignment between adjacent tiles.