INJECTION PIPE OF SHIELD MACHINE

摘要

PROBLEM TO BE SOLVED: To provide an injection pipe of a shield machine for extracting a closing rod from the injection pipe by simple work. SOLUTION: This injection pipe 9 of the shield machine injects chemicals such as a solidification agent and a lubricant into the natural ground of a front face and an outer peripheral surface of a machine body 12. The injection pipe is closed by inserting the flexible closing rod 21 inside. COPYRIGHT: (C)2005,JPO&NCIPI