Durable packaging bag with good texture

• Main Author: DING JIMING
• Format: Patent
• Language: Chinese; English
• Published: 24.12.2021
• 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; HANDLING THIN OR FILAMENTARY MATERIAL; PACKAGES; PACKAGING ELEMENTS; PACKING; PERFORMING OPERATIONS; STORING; TRANSPORTING

The utility model discloses a durable packaging bag with good texture. The durable packaging bag comprises a bag body and a bottom piece, the packaging bag is in a standing state after the bottom sheet is opened; a containing cavity used for containing brewing food is defined between the bag body and the bottom piece. The bag body comprises a paper sheet layer, a metal layer is electroplated on the inner side surface of the paper sheet layer, and a first lamination layer is arranged on the inner side surface of the metal layer; a second lamination layer is arranged on the outer side surface of the paper sheet layer; the bottom piece is of a composite structure of the same layered structure of the bag body, and the thickness of the bottom piece is larger than that of the bag body. The packaging bag is made of the paper layer, the metal layer, the first lamination layer and the second lamination layer, so that the packaging bag has good texture and is waterproof and heat-resistant; after having waterproof and h