DE208184C - - Google Patents
Info
- Publication number
- DE208184C DE208184C DENDAT208184D DE208184DA DE208184C DE 208184 C DE208184 C DE 208184C DE NDAT208184 D DENDAT208184 D DE NDAT208184D DE 208184D A DE208184D A DE 208184DA DE 208184 C DE208184 C DE 208184C
- Authority
- DE
- Germany
- Prior art keywords
- stamp
- insert
- partition
- filling compound
- space
- 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
- 238000005192 partition Methods 0.000 claims description 7
- 150000001875 compounds Chemical class 0.000 claims description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 2
- 230000002441 reversible effect Effects 0.000 claims description 2
- 241000182341 Cubitermes group Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 239000010959 steel Substances 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
- E21D15/30—Telescopic props with parts held relatively to each other by friction or gripping by means expanded or contracted by pressure applied through the medium of a fluid or quasi- fluid, e.g. rubber
- E21D15/303—Telescopic props with parts held relatively to each other by friction or gripping by means expanded or contracted by pressure applied through the medium of a fluid or quasi- fluid, e.g. rubber by means of granular material
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)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE208184C true DE208184C (https=) |
Family
ID=470237
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT208184D Active DE208184C (https=) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE208184C (https=) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE912802C (de) * | 1950-06-17 | 1954-06-03 | Denis Ambatiello Dr Ing | Laengenveraenderbare Stuetzvorrichtung, insbesondere Grubenstempel |
| DE1027161B (de) * | 1956-12-21 | 1958-04-03 | Wilhelm Steinkopf | Hydraulische Roehrentragsaeule |
-
0
- DE DENDAT208184D patent/DE208184C/de active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE912802C (de) * | 1950-06-17 | 1954-06-03 | Denis Ambatiello Dr Ing | Laengenveraenderbare Stuetzvorrichtung, insbesondere Grubenstempel |
| DE1027161B (de) * | 1956-12-21 | 1958-04-03 | Wilhelm Steinkopf | Hydraulische Roehrentragsaeule |
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