HYDRAULIC DRIVING DEVICE OF SHIELD JACK AND SHIELD MACHINE

PROBLEM TO BE SOLVED: To allow a releasing connecting means to selectively connect and release mutual adjacent shield jacks according to extending-contracting operation when extending and contracting the shield jacks of a corresponding position according to assembling order of segments. SOLUTION: In...

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Bibliographische Detailangaben
Hauptverfasser:	SAKAGAMI YOSHIHARU, MATSUFUJI HIROYUKI, HAGA YUKIO, ISHII TOSHIHISA, HARA SHUICHI
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR EARTH DRILLING FIXED CONSTRUCTIONS FLUID-PRESSURE ACTUATORS FLUID-PRESSURE ACTUATORS, e.g. SERVO-MOTORS GALLERIES HEATING HYDRAULICS OR PNEUMATICS IN GENERAL LARGE UNDERGROUND CHAMBERS LIGHTING MECHANICAL ENGINEERING MINING SHAFTS SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL TUNNELS WEAPONS
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