FR1373040A - Two-part shoring device - Google Patents
Two-part shoring deviceInfo
- Publication number
- FR1373040A FR1373040A FR69043764A FR69043764A FR1373040A FR 1373040 A FR1373040 A FR 1373040A FR 69043764 A FR69043764 A FR 69043764A FR 69043764 A FR69043764 A FR 69043764A FR 1373040 A FR1373040 A FR 1373040A
- Authority
- FR
- France
- Prior art keywords
- shoring device
- shoring
- part shoring
- 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
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
- E21D15/14—Telescopic props
- E21D15/28—Telescopic props with parts held relatively to each other by friction or gripping
- E21D15/36—Telescopic props with parts held relatively to each other by friction or gripping by a tiltable collar surrounding one or both parts
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR69043764A FR1373040A (en) | 1963-06-20 | 1963-06-20 | Two-part shoring device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR69043764A FR1373040A (en) | 1963-06-20 | 1963-06-20 | Two-part shoring device |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1373040A true FR1373040A (en) | 1964-09-25 |
Family
ID=8596853
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR69043764A Expired FR1373040A (en) | 1963-06-20 | 1963-06-20 | Two-part shoring device |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1373040A (en) |
-
1963
- 1963-06-20 FR FR69043764A patent/FR1373040A/en not_active Expired
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