FR564310A - Improvements to hydraulic devices for breaking rocks and other materials - Google Patents
Improvements to hydraulic devices for breaking rocks and other materialsInfo
- Publication number
- FR564310A FR564310A FR564310DA FR564310A FR 564310 A FR564310 A FR 564310A FR 564310D A FR564310D A FR 564310DA FR 564310 A FR564310 A FR 564310A
- Authority
- FR
- France
- Prior art keywords
- materials
- hydraulic devices
- breaking rocks
- rocks
- breaking
- 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
- 239000000463 material Substances 0.000 title 1
- 239000011435 rock Substances 0.000 title 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
- B28D1/22—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by cutting, e.g. incising
- B28D1/222—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by cutting, e.g. incising by pressing, e.g. presses
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C37/00—Other methods or devices for dislodging with or without loading
- E21C37/06—Other methods or devices for dislodging with or without loading by making use of hydraulic or pneumatic pressure in a borehole
- E21C37/08—Devices with pistons, plungers, or the like, pressed locally against the wall of the borehole
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR564310T | 1923-03-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR564310A true FR564310A (en) | 1923-12-27 |
Family
ID=8945657
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR564310D Expired FR564310A (en) | 1923-03-24 | 1923-03-24 | Improvements to hydraulic devices for breaking rocks and other materials |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR564310A (en) |
-
1923
- 1923-03-24 FR FR564310D patent/FR564310A/en not_active Expired
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