Biodegradable food packaging bag

The utility model discloses a biodegradable food packaging bag which comprises a device body, the device body comprises a bag body, gas valves and a closing device, the gas valves are arranged at the two ends of the outer side surface of the middle of the top end of the bag body, the closing device...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	XIE JIAOQUAN, ZHANG MINGQIN, MIAO MAOQUAN, ZHANG CHANGWEN, YUAN FAMIAO
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	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
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Beschreibung
Zusammenfassung:	The utility model discloses a biodegradable food packaging bag which comprises a device body, the device body comprises a bag body, gas valves and a closing device, the gas valves are arranged at the two ends of the outer side surface of the middle of the top end of the bag body, the closing device is arranged at the top end of the bag body, and the gas valves are arranged on the two sides of the bag body respectively. Each group of gas valves comprises a bottom ring and a valve cover, the bottom ring and the valve cover are connected through soft plastic, the bottom ring is a hollow cavity without two surfaces at two ends, a circular ring is arranged on one side, close to the bag body, of the bottom ring, the circular ring is arranged on the inner side surface of the bottom ring, a hole groove is formed in the middle of the circular ring, and a blocking block is arranged on the inner side surface of the valve cover. Each closing device comprises a left block and a right block, a protrusion is arranged in the