DE314062C - - Google Patents
Info
- Publication number
- DE314062C DE314062C DENDAT314062D DE314062DA DE314062C DE 314062 C DE314062 C DE 314062C DE NDAT314062 D DENDAT314062 D DE NDAT314062D DE 314062D A DE314062D A DE 314062DA DE 314062 C DE314062 C DE 314062C
- Authority
- DE
- Germany
- Prior art keywords
- section
- punch
- insert
- tube
- wooden insert
- 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
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 2
- 239000002023 wood Substances 0.000 description 2
- 210000004197 pelvis Anatomy 0.000 description 1
- 238000004904 shortening Methods 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
- E21D15/14—Telescopic props
- E21D15/28—Telescopic props with parts held relatively to each other by friction or gripping
- E21D15/285—Telescopic props with parts held relatively to each other by friction or gripping by means of wedges or wedge combinations
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)
- Percussive Tools And Related Accessories (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE314062C true DE314062C (enrdf_load_html_response) |
Family
ID=566898
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT314062D Active DE314062C (enrdf_load_html_response) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE314062C (enrdf_load_html_response) |
-
0
- DE DENDAT314062D patent/DE314062C/de active Active
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