CS166788B2 - - Google Patents
Info
- Publication number
- CS166788B2 CS166788B2 CS778971A CS778971A CS166788B2 CS 166788 B2 CS166788 B2 CS 166788B2 CS 778971 A CS778971 A CS 778971A CS 778971 A CS778971 A CS 778971A CS 166788 B2 CS166788 B2 CS 166788B2
- Authority
- CS
- Czechoslovakia
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D1/00—Sinking shafts
- E21D1/03—Sinking shafts mechanically, e.g. by loading shovels or loading buckets, scraping devices, conveying screws
- E21D1/06—Sinking shafts mechanically, e.g. by loading shovels or loading buckets, scraping devices, conveying screws with shaft-boring cutters
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- 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
- E02F3/18—Dredgers; Soil-shifting machines mechanically-driven with digging wheels turning round an axis, e.g. bucket-type wheels
- E02F3/20—Dredgers; Soil-shifting machines mechanically-driven with digging wheels turning round an axis, e.g. bucket-type wheels with tools that only loosen the material, i.e. mill-type wheels
- E02F3/205—Dredgers; Soil-shifting machines mechanically-driven with digging wheels turning round an axis, e.g. bucket-type wheels with tools that only loosen the material, i.e. mill-type wheels with a pair of digging wheels, e.g. slotting machines
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- 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
- E02F3/88—Dredgers; Soil-shifting machines mechanically-driven with arrangements acting by a sucking or forcing effect, e.g. suction dredgers
- E02F3/90—Component parts, e.g. arrangement or adaptation of pumps
- E02F3/92—Digging elements, e.g. suction heads
- E02F3/9212—Mechanical digging means, e.g. suction wheels, i.e. wheel with a suction inlet attached behind the wheel
- E02F3/9225—Mechanical digging means, e.g. suction wheels, i.e. wheel with a suction inlet attached behind the wheel with rotating cutting elements
- E02F3/9237—Suction wheels with axis of rotation in transverse direction of the longitudinal axis of the suction pipe
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F5/00—Dredgers or soil-shifting machines for special purposes
- E02F5/02—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches
- E02F5/04—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches with digging screws
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DD15107470A DD113159A3 (https=) | 1970-11-06 | 1970-11-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CS166788B2 true CS166788B2 (https=) | 1976-03-29 |
Family
ID=5483116
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CS778971A CS166788B2 (https=) | 1970-11-06 | 1971-11-05 |
Country Status (6)
| Country | Link |
|---|---|
| CS (1) | CS166788B2 (https=) |
| DD (1) | DD113159A3 (https=) |
| DE (1) | DE2155358A1 (https=) |
| FR (1) | FR2113682A5 (https=) |
| HU (1) | HU170369B (https=) |
| RO (1) | RO58801A (https=) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3602387C1 (de) * | 1986-01-28 | 1987-06-04 | Hochtief Ag Hoch Tiefbauten | Vorrichtung zum Einbringen eines im wesentlichen vertikalen Bodenschlitzes |
| DE4119212C2 (de) * | 1991-06-11 | 1996-06-27 | Bauer Spezialtiefbau | Verfahren zum Fräsen einer Schlitzwand |
| FR2950086B1 (fr) * | 2009-09-15 | 2021-05-14 | Soletanche Freyssinet | Machine d'excavation comportant au moins un tambour couvert par un deflecteur |
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1970
- 1970-11-06 DD DD15107470A patent/DD113159A3/xx unknown
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1971
- 1971-11-05 CS CS778971A patent/CS166788B2/cs unknown
- 1971-11-06 RO RO6868071A patent/RO58801A/ro unknown
- 1971-11-06 HU HUBA002665 patent/HU170369B/hu unknown
- 1971-11-08 DE DE19712155358 patent/DE2155358A1/de active Pending
- 1971-11-08 FR FR7139982A patent/FR2113682A5/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2113682A5 (https=) | 1972-06-23 |
| DD113159A3 (https=) | 1975-05-20 |
| DE2155358A1 (de) | 1972-07-20 |
| RO58801A (https=) | 1975-10-15 |
| HU170369B (https=) | 1977-06-28 |