BE463207A - Mijnstempel met in elkaar schuivenden boven- en onderstempel - Google Patents
Mijnstempel met in elkaar schuivenden boven- en onderstempelInfo
- Publication number
- BE463207A BE463207A BE463207A BE463207A BE463207A BE 463207 A BE463207 A BE 463207A BE 463207 A BE463207 A BE 463207A BE 463207 A BE463207 A BE 463207A BE 463207 A BE463207 A BE 463207A
- Authority
- BE
- Belgium
- Prior art keywords
- punch
- wedge
- mining
- lever
- force
- Prior art date
Links
- 238000005065 mining Methods 0.000 title 1
- 238000010276 construction Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 102100040853 PRKC apoptosis WT1 regulator protein Human genes 0.000 description 1
- 101710162991 PRKC apoptosis WT1 regulator protein Proteins 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000010079 rubber tapping 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)
- Clamps And Clips (AREA)
- Accommodation For Nursing Or Treatment Tables (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL114704A NL60450C (nl) | 1944-01-13 | 1944-01-13 | Metalen mijnstut met in elkaar schuifbare boven-en onderstut |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE463207A true BE463207A (nl) | 1946-03-30 |
Family
ID=1815791
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE463207A BE463207A (nl) | 1944-01-13 | 1946-02-20 | Mijnstempel met in elkaar schuivenden boven- en onderstempel |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE463207A (fr) |
| FR (1) | FR923323A (fr) |
| GB (1) | GB609493A (fr) |
| NL (1) | NL60450C (fr) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE972849C (de) * | 1950-09-09 | 1959-10-08 | Le Progres Charbonnier Prochar | Grubenstempel |
-
1944
- 1944-01-13 NL NL114704A patent/NL60450C/xx active
-
1945
- 1945-11-10 GB GB30102/45A patent/GB609493A/en not_active Expired
-
1946
- 1946-02-20 BE BE463207A patent/BE463207A/nl unknown
- 1946-02-26 FR FR923323D patent/FR923323A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB609493A (en) | 1948-10-01 |
| FR923323A (fr) | 1947-07-03 |
| NL60450C (nl) | 1947-12-16 |
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