BE498027A - - Google Patents
Info
- Publication number
- BE498027A BE498027A BE498027DA BE498027A BE 498027 A BE498027 A BE 498027A BE 498027D A BE498027D A BE 498027DA BE 498027 A BE498027 A BE 498027A
- Authority
- BE
- Belgium
- Prior art keywords
- lever
- prop
- clamping
- wedge
- barrel
- Prior art date
Links
- 239000000126 substance Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000002783 friction material Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 235000000396 iron Nutrition 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 125000006850 spacer group Chemical group 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)
- Clamps And Clips (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE498027A true BE498027A (enrdf_load_html_response) |
Family
ID=140824
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE498027D BE498027A (enrdf_load_html_response) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE498027A (enrdf_load_html_response) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1014504B (de) * | 1953-05-13 | 1957-08-29 | Ewald Wiemann Maschf | Schloss fuer Grubenstempel |
| DE977408C (de) * | 1951-02-24 | 1966-05-26 | Karl Gerlach | Grubenstempel |
-
0
- BE BE498027D patent/BE498027A/fr unknown
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE977408C (de) * | 1951-02-24 | 1966-05-26 | Karl Gerlach | Grubenstempel |
| DE1014504B (de) * | 1953-05-13 | 1957-08-29 | Ewald Wiemann Maschf | Schloss fuer Grubenstempel |
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