BE502406A - - Google Patents
Info
- Publication number
- BE502406A BE502406A BE502406DA BE502406A BE 502406 A BE502406 A BE 502406A BE 502406D A BE502406D A BE 502406DA BE 502406 A BE502406 A BE 502406A
- Authority
- BE
- Belgium
- Prior art keywords
- coal
- box
- worm
- chains
- handle
- Prior art date
Links
- 239000003245 coal Substances 0.000 claims description 10
- 238000003307 slaughter Methods 0.000 claims description 3
- 238000005065 mining Methods 0.000 claims 2
- 238000010008 shearing Methods 0.000 description 6
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C25/00—Cutting machines, i.e. for making slits approximately parallel or perpendicular to the seam
- E21C25/64—Slitting machines guided solely by hand and either carried by hand or mounted on supports
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)
- Sawing (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE502406A true BE502406A (pt) |
Family
ID=143943
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE502406D BE502406A (pt) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE502406A (pt) |
-
0
- BE BE502406D patent/BE502406A/fr unknown
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