Hierarchical expand tube formula buffering dust fall blanking plug of porthole

The utility model belongs to an engineering blasting porthole choked technique field, unsatisfactory for solving the stifled plug member jam effect of present porthole, explosion back dust is too high, does not reach environmental protection effect's problem, provides a hierarchical expand tube...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	NING ZHANGXUAN, LEI MEIRONG, ZHANG YANJUN, LIU YANG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	AMMUNITION BLASTING HEATING LIGHTING MECHANICAL ENGINEERING WEAPONS
Online-Zugang:	Volltext bestellen
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