Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from DE19671511300external-prioritypatent/DE1511300A1/de
Application filedfiledCritical
Publication of NL6815758ApublicationCriticalpatent/NL6815758A/xx
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
D21H27/30—Multi-ply
D21H27/32—Multi-ply with materials applied between the sheets
D21H27/34—Continuous materials, e.g. filaments, sheets, nets
D—TEXTILES; PAPER
D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
D21F11/00—Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines