BE534913A - - Google Patents
Info
- Publication number
- BE534913A BE534913A BE534913DA BE534913A BE 534913 A BE534913 A BE 534913A BE 534913D A BE534913D A BE 534913DA BE 534913 A BE534913 A BE 534913A
- Authority
- BE
- Belgium
- Prior art keywords
- mold
- plate
- molds
- forces
- buttonholes
- Prior art date
Links
- 238000000605 extraction Methods 0.000 description 10
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 235000000396 iron Nutrition 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 230000009172 bursting Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D7/00—Shaft equipment, e.g. timbering within the shaft
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Piles And Underground Anchors (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE534913A true BE534913A (cs) |
Family
ID=166101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE534913D BE534913A (cs) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE534913A (cs) |
-
0
- BE BE534913D patent/BE534913A/fr unknown
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