Pattern matrix having uniform backer thickness

Details Pattern matrix having uniform backer thickness Pattern matrix having uniform backer thickness

B - Operations, Transporting

29

C

18/1199, 92/33

B29C 59/00 (2006.01) B29C 33/40 (2006.01) B29C 39/02 (2006.01) B29C 70/70 (2006.01) D21F 11/00 (2006.01)

Patent

CA 1210557

Title PATTERN MATRIX HAVING UNIFORM BACKER THICKNESS Abstract of the Disclosure A tough, flexible, sheet-like matrix for a bas-relief pattern is made by casting a reinforced resin on a mold of the pattern and submerging a perforated plate in the liquid resin so that the plate is parallel to a substantially flat plane generated by the lowest points of the pattern. The matrix, exclusive of the peaks and valleys of the pattern, has a uniform thickness and has a multitude of studs integral with and dependent from the sheet. A porous matrix is useful for the wet-end texturing of fiberboard at the final suction press roll of a Fourdrinier fiberboard machine.

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