Patent ID: 7435313

Claim:
An apparatus for producing a deep-nested embossed paper product comprising: two embossing cylinders each rotatable on an axis, the axes being parallel to one another; each cylinder having a surface and a plurality of protrusions on its surface, the plurality of protrusions on each cylinder being disposed in a non-random pattern where the respective non-random patterns are coordinated to each other; the two embossing cylinders aligned such that the respective coordinated non-random pattern of protrusions nest together such that the protrusions engage each other to a depth of greater than about 1.016 mm; where the protrusions comprise a top plane and sidewalls, the top plane and sidewalls meeting at a protrusion corner and the protrusion corner having a radius of curvature greater than about 0.076 mm and less than about 1.778 mm.