FR47175E - Improvements in methods of blowing up mines - Google Patents
Improvements in methods of blowing up minesInfo
- Publication number
- FR47175E FR47175E FR47175DA FR47175E FR 47175 E FR47175 E FR 47175E FR 47175D A FR47175D A FR 47175DA FR 47175 E FR47175 E FR 47175E
- Authority
- FR
- France
- Prior art keywords
- mines
- blowing
- methods
- 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.)
- Expired
Links
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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D1/00—Blasting methods or apparatus, e.g. loading or tamping
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
- Portable Nailing Machines And Staplers (AREA)
- Soil Working Implements (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE449268X | 1934-02-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR47175E true FR47175E (en) | 1937-02-06 |
Family
ID=6538242
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR804012D Expired FR804012A (en) | 1934-02-16 | 1935-05-11 | Improvements in methods of blowing up mines |
FR47175D Expired FR47175E (en) | 1934-02-16 | 1936-03-11 | Improvements in methods of blowing up mines |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR804012D Expired FR804012A (en) | 1934-02-16 | 1935-05-11 | Improvements in methods of blowing up mines |
Country Status (5)
Country | Link |
---|---|
US (1) | US2040581A (en) |
BE (2) | BE409119A (en) |
DE (1) | DE727397C (en) |
FR (2) | FR804012A (en) |
GB (1) | GB449268A (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE744063C (en) * | 1938-11-29 | 1944-01-08 | Thea Voortmann Geb Aschhoff | Plugs for filling boreholes for blasting purposes |
US2481814A (en) * | 1941-01-02 | 1949-09-13 | Philadelphia And Reading Coal | Connecting sleeve for dynamite cartridges |
US2771841A (en) * | 1947-08-15 | 1956-11-27 | Fino Anthony J De | Belt line charge |
US3179049A (en) * | 1959-08-06 | 1965-04-20 | Richfield Oil Corp | Stemming device |
US2995087A (en) * | 1959-09-04 | 1961-08-08 | Edney | Blasting plug |
CN112033245B (en) * | 2020-09-14 | 2021-08-13 | 中国矿业大学(北京) | Long-distance blast hole charging device and charging method |
-
0
- BE BE414203D patent/BE414203A/xx unknown
-
1934
- 1934-02-17 DE DEV30428D patent/DE727397C/en not_active Expired
-
1935
- 1935-02-01 GB GB3381/35A patent/GB449268A/en not_active Expired
- 1935-05-11 FR FR804012D patent/FR804012A/en not_active Expired
- 1935-05-23 US US23105A patent/US2040581A/en not_active Expired - Lifetime
- 1935-07-23 BE BE409119D patent/BE409119A/xx unknown
-
1936
- 1936-03-11 FR FR47175D patent/FR47175E/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
BE414203A (en) | |
GB449268A (en) | 1936-06-24 |
DE727397C (en) | 1942-11-02 |
FR804012A (en) | 1936-10-14 |
BE409119A (en) | 1935-06-29 |
US2040581A (en) | 1936-05-12 |
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