SE370098B - - Google Patents
Info
- Publication number
- SE370098B SE370098B SE09825/71A SE982571A SE370098B SE 370098 B SE370098 B SE 370098B SE 09825/71 A SE09825/71 A SE 09825/71A SE 982571 A SE982571 A SE 982571A SE 370098 B SE370098 B SE 370098B
- Authority
- SE
- Sweden
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/10—Making by using boring or cutting machines
- E21D9/1093—Devices for supporting, advancing or orientating the machine or the tool-carrier
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Earth Drilling (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ZA705310*A ZA705310B (en) | 1970-07-31 | 1970-07-31 | Improvements in rock boring machinery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE370098B true SE370098B (xx) | 1974-09-30 |
Family
ID=25562327
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE09825/71A SE370098B (xx) | 1970-07-31 | 1971-07-30 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3749448A (xx) |
| JP (1) | JPS5250722B1 (xx) |
| AU (1) | AU465771B2 (xx) |
| CA (1) | CA950484A (xx) |
| DE (1) | DE2138013A1 (xx) |
| GB (1) | GB1327289A (xx) |
| SE (1) | SE370098B (xx) |
| ZA (1) | ZA705310B (xx) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4371210A (en) * | 1978-04-10 | 1983-02-01 | Kennametal Inc. | Freely rotatable pick bit holder on rotary driven member and method |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1195396A (en) * | 1916-08-22 | recen | ||
| US3061288A (en) * | 1959-06-15 | 1962-10-30 | Goodman Mfg Co | Steering means for rotary head tunneling machine |
| US3437380A (en) * | 1967-11-06 | 1969-04-08 | Alkirk Inc | Steering method and apparatus |
-
1970
- 1970-07-31 ZA ZA705310*A patent/ZA705310B/xx unknown
-
1971
- 1971-07-22 CA CA118,829,A patent/CA950484A/en not_active Expired
- 1971-07-26 US US00166022A patent/US3749448A/en not_active Expired - Lifetime
- 1971-07-26 GB GB3489371A patent/GB1327289A/en not_active Expired
- 1971-07-27 AU AU31675/71A patent/AU465771B2/en not_active Expired
- 1971-07-29 DE DE19712138013 patent/DE2138013A1/de active Pending
- 1971-07-29 JP JP46056429A patent/JPS5250722B1/ja active Pending
- 1971-07-30 SE SE09825/71A patent/SE370098B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE2138013A1 (de) | 1972-02-03 |
| AU3167571A (en) | 1973-02-01 |
| AU465771B2 (en) | 1975-10-09 |
| JPS5250722B1 (xx) | 1977-12-27 |
| GB1327289A (en) | 1973-08-22 |
| ZA705310B (en) | 1971-09-29 |
| US3749448A (en) | 1973-07-31 |
| CA950484A (en) | 1974-07-02 |