| 发明名称 |
SHIELD MACHINE AND EXCAVATING METHOD |
| 摘要 |
PROBLEM TO BE SOLVED: To provide a shield machine and an excavating method, by which the size of cut-out and excavated materials to be excavated can be adjusted. SOLUTION: A preceding bit fixed onto a cutter head 22 and a preceding bit 70 installed to a spoke 60 integrally mounted on the cutter head 22 are secured, and the spoke 60 is slid by a jack 26 and spaces among preceding excavated ditches are adjusted. |
| 申请公布号 |
JP2002004770(A) |
申请公布日期 |
2002.01.09 |
| 申请号 |
JP20000192546 |
申请日期 |
2000.06.27 |
| 申请人 |
TODA CONSTR CO LTD;ISHIKAWAJIMA HARIMA HEAVY IND CO LTD |
发明人 |
SHIMIZU YOSHIHARU;YASUMOTO MASATAKE;NAKAMURA KONOSUKE;IWAI YOSHIO;ASAI YASUHIKO;SAKUMA YUJI;UEHARA TOSHIAKI;ITO HIROYUKI |
| 分类号 |
E21D9/087;E21D9/08;(IPC1-7):E21D9/08 |
主分类号 |
E21D9/087 |
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