Legal status (The legal status 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 status listed.)
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
D21F11/06—Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines of the cylinder type
D21F11/08—Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines of the cylinder type paper or board consisting of two or more layers
Paper web coating for low strength recycled paper material - by applying part of coating vol. at station with drying between stations, for strengthening
Verfahren und Vorrichtung zur Herstellung von wasserdichtem Papier, bei dem eine wasserdichte Emulsion mit dem Papier waehrend seiner Herstellung vereinigt wird