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.)
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
D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
D21H23/22—Addition to the formed paper
D21H23/66—Treating discontinuous paper, e.g. sheets, blanks, rolls
I6o06.6l» " 375598 Verfahren und Vorrichtung zum Überziehen der Außen- und Innenfläche einer hohlen zylindrischen negativen Metallelektrode mit einer Separatorschicht