DE256246C - - Google Patents
Info
- Publication number
- DE256246C DE256246C DENDAT256246D DE256246DA DE256246C DE 256246 C DE256246 C DE 256246C DE NDAT256246 D DENDAT256246 D DE NDAT256246D DE 256246D A DE256246D A DE 256246DA DE 256246 C DE256246 C DE 256246C
- Authority
- DE
- Germany
- Prior art keywords
- wedge
- construction
- wood
- legs
- locking device
- 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.)
- Active
Links
- 238000010276 construction Methods 0.000 claims description 11
- 239000002184 metal Substances 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 239000002023 wood Substances 0.000 claims description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims 1
- 229910052742 iron Inorganic materials 0.000 claims 1
- 210000000078 claw Anatomy 0.000 description 2
- 241000182341 Cubitermes group Species 0.000 description 1
- 241000446313 Lamella Species 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
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
- E21D15/60—Devices for withdrawing props or chocks
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)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE256246C true DE256246C (en:Method) |
Family
ID=514272
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT256246D Active DE256246C (en:Method) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE256246C (en:Method) |
-
0
- DE DENDAT256246D patent/DE256246C/de active Active
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