PROCEDURE FOR SEALING TOGETHER LIGNOCELLULOSIC MATERIALS

1,123,526. Seaming non-metallic sheet material. E. L. BACK, K. G. NORBERG, and F. I. JOHANSON. 17 March. 1967 [30 March, 1966], No. 12751/67. Heading B5K. Cellulosic or lignocellulosic materials are sealed together or to another material without using an added adhesive by heating the bonding surface...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	KARL GUNNNAR NORBERG, ERNST LUDVIG BACK, FRANS INGVAR JOHANSON
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING IMPREGNATING OR COATING OF PAPER PAPER NOT OTHERWISE PROVIDED FOR PAPER-MAKING PERFORMING OPERATIONS PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D PRODUCTION OF CELLULOSE PULP COMPOSITIONS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS TEXTILES TRANSPORTING TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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