SU431681A3 - - Google Patents
Info
- Publication number
- SU431681A3 SU431681A3 SU1430850A SU1430850A SU431681A3 SU 431681 A3 SU431681 A3 SU 431681A3 SU 1430850 A SU1430850 A SU 1430850A SU 1430850 A SU1430850 A SU 1430850A SU 431681 A3 SU431681 A3 SU 431681A3
- Authority
- SU
- USSR - Soviet Union
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
- E21B7/02—Drilling rigs characterised by means for land transport with their own drive, e.g. skid mounting or wheel mounting
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
- E02F3/36—Component parts
- E02F3/40—Dippers; Buckets ; Grab devices, e.g. manufacturing processes for buckets, form, geometry or material of buckets
- E02F3/413—Dippers; Buckets ; Grab devices, e.g. manufacturing processes for buckets, form, geometry or material of buckets with grabbing device
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B27/00—Containers for collecting or depositing substances in boreholes or wells, e.g. bailers, baskets or buckets for collecting mud or sand; Drill bits with means for collecting substances, e.g. valve drill bits
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Fluid Mechanics (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Structural Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Earth Drilling (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR6913500A FR2040945A5 (de) | 1969-04-28 | 1969-04-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU431681A3 true SU431681A3 (de) | 1974-06-05 |
Family
ID=9033194
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU1430850A SU431681A3 (de) | 1969-04-28 | 1970-04-27 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US3621923A (de) |
| SU (1) | SU431681A3 (de) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4627180A (en) * | 1984-01-16 | 1986-12-09 | Harold Learnahan | Excavating bucket |
| US4604818A (en) * | 1984-08-06 | 1986-08-12 | Kabushiki Kaisha Tokyo Seisakusho | Under reaming pile bore excavating bucket and method of its excavation |
| ITPS990007A1 (it) * | 1999-03-11 | 2000-09-11 | I M T Spa | Procedimento di perforazione per fori di grande diametro ad elevataprofondita' e trivella atta ad attuare detto procedimento |
| CN102644439B (zh) * | 2012-04-27 | 2014-02-19 | 山河智能装备股份有限公司 | 一种卸土推板能自动复位的旋挖钻机及其施工方法 |
| CN105464590B (zh) * | 2015-05-17 | 2018-11-06 | 王运举 | 一种重压抓土钻孔装置 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1730704A (en) * | 1927-10-27 | 1929-10-08 | Wild Charles | Digging mechanism for wells and the like |
| US1861038A (en) * | 1929-11-13 | 1932-05-31 | Joseph H Thornley | Mechanical digging apparatus |
| US2910274A (en) * | 1956-06-07 | 1959-10-27 | Loren F Scott | Excavating apparatus |
| US3194329A (en) * | 1964-06-11 | 1965-07-13 | Calweld Inc | Hydraulic grab bucket |
-
1970
- 1970-04-09 US US26947A patent/US3621923A/en not_active Expired - Lifetime
- 1970-04-27 SU SU1430850A patent/SU431681A3/ru active
Also Published As
| Publication number | Publication date |
|---|---|
| US3621923A (en) | 1971-11-23 |