DE236600C - - Google Patents
Info
- Publication number
- DE236600C DE236600C DENDAT236600D DE236600DA DE236600C DE 236600 C DE236600 C DE 236600C DE NDAT236600 D DENDAT236600 D DE NDAT236600D DE 236600D A DE236600D A DE 236600DA DE 236600 C DE236600 C DE 236600C
- Authority
- DE
- Germany
- Prior art keywords
- stamp
- pressure
- pipe
- cap
- folded
- 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
- 239000002184 metal Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 241000182341 Cubitermes group Species 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000011122 softwood Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000037303 wrinkles 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
- E21D15/14—Telescopic props
- E21D15/16—Telescopic props with parts held together by positive means, with or without relative sliding movement when the prop is subject to excessive pressure
- E21D15/22—Telescopic props with parts held together by positive means, with or without relative sliding movement when the prop is subject to excessive pressure with member, pin, cross- piece, or the like, ruptured, sheared through, or permanently deformed upon excessive pressure
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)
- Machines For Manufacturing Corrugated Board In Mechanical Paper-Making Processes (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE236600C true DE236600C (enrdf_load_stackoverflow) |
Family
ID=496278
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT236600D Active DE236600C (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE236600C (enrdf_load_stackoverflow) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE851787C (de) * | 1950-07-28 | 1952-10-09 | Ringfeder Gmbh | Grubenstempel aus Metall |
| DE1003161B (de) * | 1955-11-11 | 1957-02-28 | Karl Gerlach | Grubenstempel |
| DE1028062B (de) * | 1957-01-12 | 1958-04-17 | Johann Usspurwies G M B H | Fussplatte zum Aufstellen von Ausbauelementen fuer Untertageraeume |
-
0
- DE DENDAT236600D patent/DE236600C/de active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE851787C (de) * | 1950-07-28 | 1952-10-09 | Ringfeder Gmbh | Grubenstempel aus Metall |
| DE1003161B (de) * | 1955-11-11 | 1957-02-28 | Karl Gerlach | Grubenstempel |
| DE1028062B (de) * | 1957-01-12 | 1958-04-17 | Johann Usspurwies G M B H | Fussplatte zum Aufstellen von Ausbauelementen fuer Untertageraeume |
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