DE254647C - - Google Patents
Info
- Publication number
- DE254647C DE254647C DENDAT254647D DE254647DA DE254647C DE 254647 C DE254647 C DE 254647C DE NDAT254647 D DENDAT254647 D DE NDAT254647D DE 254647D A DE254647D A DE 254647DA DE 254647 C DE254647 C DE 254647C
- Authority
- DE
- Germany
- Prior art keywords
- bolt
- borehole
- pin
- plug
- locking
- 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
- 238000000034 method Methods 0.000 claims description 4
- 239000007789 gas Substances 0.000 claims 1
- 239000002360 explosive Substances 0.000 description 6
- 238000009966 trimming Methods 0.000 description 5
- 238000005422 blasting Methods 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 241000854350 Enicospilus group Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 206010000210 abortion Diseases 0.000 description 1
- 231100000176 abortion Toxicity 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000005474 detonation Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D1/00—Blasting methods or apparatus, e.g. loading or tamping
- F42D1/08—Tamping methods; Methods for loading boreholes with explosives; Apparatus therefor
- F42D1/18—Plugs for boreholes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D1/00—Blasting methods or apparatus, e.g. loading or tamping
- F42D1/04—Arrangements for ignition
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Air Bags (AREA)
- Automotive Seat Belt Assembly (AREA)
- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
- Piles And Underground Anchors (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE254647T |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE254647C true DE254647C (enrdf_load_html_response) |
Family
ID=5959347
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT255057D Active DE255057C (enrdf_load_html_response) | |||
| DENDAT254647D Active DE254647C (enrdf_load_html_response) |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT255057D Active DE255057C (enrdf_load_html_response) |
Country Status (1)
| Country | Link |
|---|---|
| DE (2) | DE254647C (enrdf_load_html_response) |
-
0
- DE DENDAT255057D patent/DE255057C/de active Active
- DE DENDAT254647D patent/DE254647C/de active Active
Also Published As
| Publication number | Publication date |
|---|---|
| DE255057C (enrdf_load_html_response) |
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