FR63268E - Further development of automatic clamshells - Google Patents
Further development of automatic clamshellsInfo
- Publication number
- FR63268E FR63268E FR63268DA FR63268E FR 63268 E FR63268 E FR 63268E FR 63268D A FR63268D A FR 63268DA FR 63268 E FR63268 E FR 63268E
- Authority
- FR
- France
- Prior art keywords
- clamshells
- automatic
- further development
- development
- automatic clamshells
- 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
-
- 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
- B66C3/02—Bucket grabs
-
- 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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR63268T | 1952-09-02 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR63268E true FR63268E (en) | 1955-09-12 |
Family
ID=8696540
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR63268D Expired FR63268E (en) | 1952-09-02 | 1952-09-02 | Further development of automatic clamshells |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR63268E (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0315547A1 (en) * | 1987-11-05 | 1989-05-10 | SOLETANCHE Société Anonyme dite: | Bucket excavator |
-
1952
- 1952-09-02 FR FR63268D patent/FR63268E/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0315547A1 (en) * | 1987-11-05 | 1989-05-10 | SOLETANCHE Société Anonyme dite: | Bucket excavator |
FR2622910A1 (en) * | 1987-11-05 | 1989-05-12 | Soletanche | EXCAVATOR BENCH WITH GODETS |
US4882859A (en) * | 1987-11-05 | 1989-11-28 | Soletanche | Excavating bucket having scoops |
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