Paper container cover and production method thereof

• Main Author: CAO JIGANG
• Format: Patent
• Language: Chinese; English
• Published: 09.04.2024
• Subjects: ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS,e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES,DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; CONVEYING; FIBREBOARD; HANDLING THIN OR FILAMENTARY MATERIAL; IMPREGNATING OR COATING OF PAPER; MANUFACTURE OF ARTICLES FROM CELLULOSIC FIBROUS SUSPENSIONS ORFROM PAPIER-MACHE; PACKAGES; PACKAGING ELEMENTS; PACKING; PAPER NOT OTHERWISE PROVIDED FOR; PAPER-MAKING; PERFORMING OPERATIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; PRODUCTION OF CELLULOSE; PULP COMPOSITIONS; STORING; TEXTILES; TRANSPORTING; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G

The invention relates to a paper container cover and a production method thereof, multiple types of printing image-text paper are produced in batches through a conventional reel flexographic printing process, the printing image-text paper serves as a printing image-text surface of the outer surface of a packaging container, the image-text surface of the printing image-text paper is coated with waterproof water-based paint, and a waterproof layer is formed after drying, so that the surface of the paper has the waterproof performance; placing in a hot-pressing mold in advance, and then carrying out hot-pressing molding together with a specially prepared waterproof paper pulp base material; according to the product produced by the production method disclosed by the invention, the waterproof function is realized without post-coating on the surface of a molded object, the yield can meet the requirement of batch production, the production cycle of the product is shortened, the production energy consumption is reduc