Automatic closing type sealing mechanism for ventilation and material leakage prevention of valve bag feed opening

The utility model relates to an automatic closing type sealing mechanism for ventilation and material leakage prevention of a valve bag feed opening, which comprises a sealing cylinder with two open ends, one port of the sealing cylinder is connected with an inner opening cylinder, and the inner ope...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	HUANG YONGGEN
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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