CA634612A - Apparatus for jacking tunnels - Google Patents
Apparatus for jacking tunnelsInfo
- Publication number
- CA634612A CA634612A CA634612A CA634612DA CA634612A CA 634612 A CA634612 A CA 634612A CA 634612 A CA634612 A CA 634612A CA 634612D A CA634612D A CA 634612DA CA 634612 A CA634612 A CA 634612A
- Authority
- CA
- Canada
- Prior art keywords
- tunnels
- jacking
- jacking tunnels
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA634612T |
Publications (1)
Publication Number | Publication Date |
---|---|
CA634612A true CA634612A (en) | 1962-01-16 |
Family
ID=35890787
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA634612A Expired CA634612A (en) | Apparatus for jacking tunnels |
Country Status (1)
Country | Link |
---|---|
CA (1) | CA634612A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4647256A (en) * | 1984-02-29 | 1987-03-03 | Ed. Zublin Aktiengesellschaft | Method and apparatus for producing underground pipes |
US5547230A (en) * | 1995-04-28 | 1996-08-20 | The Lamson & Sessions Co. | Joint for variable wall thickness conduit |
US6176523B1 (en) | 1997-03-12 | 2001-01-23 | The Lamson & Sessions Co. | Joint for variable wall thickness conduit |
-
0
- CA CA634612A patent/CA634612A/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4647256A (en) * | 1984-02-29 | 1987-03-03 | Ed. Zublin Aktiengesellschaft | Method and apparatus for producing underground pipes |
US5547230A (en) * | 1995-04-28 | 1996-08-20 | The Lamson & Sessions Co. | Joint for variable wall thickness conduit |
US6176523B1 (en) | 1997-03-12 | 2001-01-23 | The Lamson & Sessions Co. | Joint for variable wall thickness conduit |
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