| US 7,582,190 B2 | ||
| Shaped pulp article and resulting surface covering and method of making same | ||
| Jaime Salm, Philadelphia, Pa. (US) | ||
| Assigned to Mio Company, LLC, Philadelphia, Pa. (US) | ||
| Filed on Aug. 12, 2005, as Appl. No. 11/202,450. | ||
| Prior Publication US 2007/0034346 A1, Feb. 15, 2007 | ||
| Int. Cl. D21F 13/00 (2006.01) | ||
| U.S. Cl. 162—218 [162/224; 162/226; 162/227; 162/396] | 20 Claims |
| 1. A method of making a three-dimensional shaped pulp wall covering article comprising the steps of:
preparing a slurry by mixing at least one material of construction with water;
placing the slurry in a porous mold having a shaped molding surface;
extracting excess water through the porous mold to form the shaped article;
pressing the shaped article between complementary heated male and female structures, wherein one of said heated male and female
structures forms a substantially planar rear surface on said wall covering article, and wherein the other of said heated male
and female structures forms a front surface having a varying thickness with respect to said rear surface; and
applying an adhesive to said substantially planar rear surface.
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