Abstract: A non-deformable patterned template includes a stable mesh, wherein the stable mesh is resistant to deformation; a polymer sheet with the stable mesh embedded therein, wherein the polymer sheet is formed using a liquid polymer adapted to receive the stable mesh, and wherein the liquid polymer is cured after the stable mesh has been placed within the liquid polymer; and a surface pattern on at least one face of the polymer sheet.

Abstract: A vacuum box (38) is provided with recesses (86, 88, 90, 92) on the inner surfaces (74, 76) of its front and/or back walls (40, 42) along at least two of its interior corners (78, 80, 82, 84); so that, the pressures on opposite sides of the incoming and outgoing spans (64.sub.i, 64.sub.o) of the web (50) are substantially equalized at discrete locations along the lengths of the spans, whereby differential pressure applied to the central curved loop (64) between the spans causes the incoming and outgoing spans to remain substantially out of contact with the side walls (40, 42). The side walls (44, 46) may be provided with chamfers (154, 156) at the interior corners or bores (158; 166-172) and ports (160-164; 174-180) to facilitate equalization of the pressure to facilitate equalizing the pressure on opposite sides of webs having a transverse curl toward a centerline of the box. The box may include web keepers (102) to retain the web during thread-up and a removable, sound insulated closure (130).