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US 8,012,309 B2Granted
Method of making wet embossed paperboard
AssigneeCascades Canada Ulc
InventorsÉric Paré, Yves Martin, Matieu Jacques
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Abstract
A process for manufacturing an embossed paperboard comprising the steps of: forming a wet mat including more than 60 wt % of cellulose fibers; pressure molding, with at least one embossing roll, the wet mat having 20 to 70 wt % solid to create a nested surface texture thereon; and drying the embossed wet mat to obtain the embossed paperboard with a grammage ranging between 125 and 1500 grams per square meter.
Claims21
A process for manufacturing an embossed paperboard comprising the steps of:
- forming a wet mat including more than 60 wt % of cellulose fibers;
- pressure molding, with at least one unheated embossing roll by applying a pressure greater than 200 pounds per linear inch (PLI), the wet mat having 20 to 70 wt % solid to create a nested surface texture thereon;
- and
- drying the embossed wet mat to obtain the embossed paperboard with a grammage ranging between 250 and 1500 grams per square meter.
1 more element
Dependencies are inferred from the claim text.