Patent ID: 6802159
Filing Date: 2004-10-12
Classification: E01C,E04F

Abstract:
Tile for use in forming a generally flat and multi-tile traffic-carrying surface, said tile comprising:a generally planar and square structural member having a 4d-by-4d outer dimension and having a top traffic-carrying surface and a bottom surface; said square structural member having a first edge, a second edge that is parallel to said first edge, a third edge, and a fourth edge that is parallel to said third edge; locking members located on said first, second, third and fourth edges for locking said tile to adjacent tile in a manner to form a generally non-bendable tile joint between said tile and said adjacent tile; a first set of two bend line areas formed in said tile, said two bend line areas of said first set being parallel to, and located at a distance d from, said first and second edges respectively; a second set of two bend line areas formed in said tile, said two bend line areas of said second set being parallel to, and located at a distance d from, said third and fourth edges respectively; such that a multi-tile traffic carrying surface having a plurality of said tile locked together can be rolled up, beginning at any edge of the traffic carrying surface, into a tube having an axis; said tube having tile panels of a width 2d that extend parallel to said axis.