CA1013158A - Trailing service vehicle - Google Patents
Trailing service vehicleInfo
- Publication number
- CA1013158A CA1013158A CA230,223A CA230223A CA1013158A CA 1013158 A CA1013158 A CA 1013158A CA 230223 A CA230223 A CA 230223A CA 1013158 A CA1013158 A CA 1013158A
- Authority
- CA
- Canada
- Prior art keywords
- service vehicle
- trailing
- trailing service
- vehicle
- service
- 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
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/40—Devices or apparatus specially adapted for handling or placing units of linings or supporting units for tunnels or galleries
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Lining And Supports For Tunnels (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US492986A US3896629A (en) | 1974-07-29 | 1974-07-29 | Trailing service vehicle |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1013158A true CA1013158A (en) | 1977-07-05 |
Family
ID=23958430
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA230,223A Expired CA1013158A (en) | 1974-07-29 | 1975-06-26 | Trailing service vehicle |
Country Status (2)
Country | Link |
---|---|
US (1) | US3896629A (en) |
CA (1) | CA1013158A (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4010616A (en) * | 1975-09-23 | 1977-03-08 | Richard Lovat | Rib expander |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1082700A (en) * | 1912-05-07 | 1913-12-30 | Blaw Steel Ct Ing Company | Tunnel-form. |
US2128172A (en) * | 1936-06-23 | 1938-08-23 | Tunnel And Mine Machinery Comp | Block placing apparatus |
US2764872A (en) * | 1955-03-11 | 1956-10-02 | Goodman Mfg Co | Ring beam assembly jig for tunneling machine |
US3206824A (en) * | 1963-02-15 | 1965-09-21 | October Corp | Apparatus for forming a tunnel |
-
1974
- 1974-07-29 US US492986A patent/US3896629A/en not_active Expired - Lifetime
-
1975
- 1975-06-26 CA CA230,223A patent/CA1013158A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US3896629A (en) | 1975-07-29 |
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