Polypropylene wear-resistant sealing device

The utility model discloses a polypropylene wear-resistant sealing device which comprises a machine body, a machine cover and a bottom plate, and is characterized in that the top end of the machine body is connected with the bottom end of the machine cover, the top end of the inner wall of the machi...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	YE YAJIA, MIAO LIMEI
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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