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
D—TEXTILES; PAPER
D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
D21J—FIBREBOARD; MANUFACTURE OF ARTICLES FROM CELLULOSIC FIBROUS SUSPENSIONS OR FROM PAPIER-MACHE
Procede d'extraction de jus naturel de matieres vegetales ligneuses, dispositif permettant la mise en oeuvre du procede et utilisation du procede pour la production de vegetaux ligneux seches, ou de jus
Installation de sechage de pot biodegradable, installation de fabrication et procede de fabrication associe, et pot biodegradable obtenu selon l'invention