DE224145C - - Google Patents
Info
- Publication number
- DE224145C DE224145C DENDAT224145D DE224145DA DE224145C DE 224145 C DE224145 C DE 224145C DE NDAT224145 D DENDAT224145 D DE NDAT224145D DE 224145D A DE224145D A DE 224145DA DE 224145 C DE224145 C DE 224145C
- Authority
- DE
- Germany
- Prior art keywords
- cylinder tube
- clamp
- stamp
- clamp straps
- filling compound
- 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
- 150000001875 compounds Chemical class 0.000 claims description 3
- 230000000284 resting effect Effects 0.000 claims description 2
- 239000000945 filler Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000003415 peat Substances 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
- E21D15/16—Telescopic props with parts held together by positive means, with or without relative sliding movement when the prop is subject to excessive pressure
- E21D15/18—Telescopic props with parts held together by positive means, with or without relative sliding movement when the prop is subject to excessive pressure with one part resting on a supporting medium, e.g. rubber, sand, bitumen, lead, located in the other part, with or without expulsion or displacement of the medium 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)
- Clamps And Clips (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE224145C true DE224145C (enrdf_load_stackoverflow) |
Family
ID=484900
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT224145D Active DE224145C (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE224145C (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE875490C (de) * | 1949-04-05 | 1953-05-04 | F W Moll Soehne | Nachgiebiger Streckenausbau |
-
0
- DE DENDAT224145D patent/DE224145C/de active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE875490C (de) * | 1949-04-05 | 1953-05-04 | F W Moll Soehne | Nachgiebiger Streckenausbau |
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