B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
B41M1/00—Inking and printing with a printer's forme
B41M1/26—Printing on other surfaces than ordinary paper
B41M1/36—Printing on other surfaces than ordinary paper on pretreated paper, e.g. parchment, oiled paper, paper for registration purposes
D—TEXTILES; PAPER
D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
D21H27/18—Paper- or board-based structures for surface covering
D21H27/22—Structures being applied on the surface by special manufacturing processes, e.g. in presses
D21H27/26—Structures being applied on the surface by special manufacturing processes, e.g. in presses characterised by the overlay sheet or the top layers of the structures
D21H27/28—Structures being applied on the surface by special manufacturing processes, e.g. in presses characterised by the overlay sheet or the top layers of the structures treated to obtain specific resistance properties, e.g. against wear or weather