FR741536A - - Google Patents
Info
- Publication number
- FR741536A FR741536A FR741536DA FR741536A FR 741536 A FR741536 A FR 741536A FR 741536D A FR741536D A FR 741536DA FR 741536 A FR741536 A FR 741536A
- Authority
- FR
- France
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C3/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith and intended primarily for transmitting lifting forces to loose materials; Grabs
- B66C3/12—Grabs actuated by two or more ropes
-
- 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
- E21B11/00—Other drilling tools
- E21B11/04—Boring grabs
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1985710X | 1932-08-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR741536A true FR741536A (pt) | 1933-02-10 |
Family
ID=9682790
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR741536D Expired FR741536A (pt) | 1932-08-25 |
Country Status (2)
Country | Link |
---|---|
US (1) | US1985710A (pt) |
FR (1) | FR741536A (pt) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2660862A (en) * | 1948-09-25 | 1953-12-01 | Capblanch Julian | Apparatus for constructing posts in the ground |
US2645458A (en) * | 1950-07-29 | 1953-07-14 | Yost Merrill | Hole boring rig |
US2828943A (en) * | 1953-11-17 | 1958-04-01 | Ricouard Henri Leon Georges | Boring apparatus |
US3113629A (en) * | 1960-11-29 | 1963-12-10 | Benoto Sa | Boring apparatus whose opening is adjustable |
DE2405142C2 (de) * | 1974-01-31 | 1975-10-09 | 6600 Saarbruecken | Bohrgreifer für Pfahlgründungen und Brunnenbohrungen |
ES2183747B1 (es) * | 2001-08-30 | 2004-08-01 | S.A. Trabajos Y Obras (Sato) | Dispositivo de garra retractil para la recuperacion de bloques sumergidos en un medio maritimo. |
-
0
- FR FR741536D patent/FR741536A/fr not_active Expired
-
1933
- 1933-05-26 US US672967A patent/US1985710A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US1985710A (en) | 1934-12-25 |