Cutting head tool for tunnel boring machine
US9140123B2 · kind B2 · utility
0Cited by
28References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 25, 2013 |
| Grant date | Sep 22, 2015 |
| Priority date | — |
| Expiry date | Jul 11, 2033 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49945
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A ripper tool for a tunnel boring machine includes a tool body and a plurality of cutting element inserts. The tool body has a plurality of socket cavities. A tool body blank can be heat treated to increase the hardness of the tool body blank. The socket cavities can be machined in the tool body blank after the tool body blank is heat treated. The cutting element inserts are mounted to the tool body. The cutting element inserts are respectively press fit in the socket cavities. The ripper tool can be pivotably mounted to a cutter head of the TBM.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.