HORIZONTAL EXCAVATING AND TRANSPORTING DEVICE UNDER GROUND

• Main Authors: SASAKI KIYOMI, MIZUTA SADACHIKA, KANEKO MASARU, OKUMOTO KAZUNOBU, WAKABAYASHI AKIRA
• Format: Patent
• Language: English
• Published: 05.08.1988
• Subjects: DREDGING; EMBANKMENTS; EXCAVATIONS; FIXED CONSTRUCTIONS; FOUNDATIONS; HYDRAULIC ENGINEERING; SOIL SHIFTING; UNDERGROUND OR UNDERWATER STRUCTURES

PURPOSE:To raise the efficiency of horizontal excavation as well as of usual excavation by a method in which a rotary shaft with screw blade is set in a casing, and sideward excavating cutter groups are provided at intervals for the tip end portion of the screw blade. CONSTITUTION:A rotary shaft 3 w...