FR2317474B1 - - Google Patents
Info
- Publication number
- FR2317474B1 FR2317474B1 FR7621193A FR7621193A FR2317474B1 FR 2317474 B1 FR2317474 B1 FR 2317474B1 FR 7621193 A FR7621193 A FR 7621193A FR 7621193 A FR7621193 A FR 7621193A FR 2317474 B1 FR2317474 B1 FR 2317474B1
- Authority
- FR
- France
- 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
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D13/00—Large underground chambers; Methods or apparatus for making them
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C41/00—Methods of underground or surface mining; Layouts therefor
- E21C41/16—Methods of underground mining; Layouts therefor
- E21C41/22—Methods of underground mining; Layouts therefor for ores, e.g. mining placers
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/006—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries by making use of blasting methods
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D1/00—Blasting methods or apparatus, e.g. loading or tamping
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA231,434A CA1012564A (en) | 1975-07-11 | 1975-07-11 | Method of underground mining |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2317474A1 FR2317474A1 (fr) | 1977-02-04 |
| FR2317474B1 true FR2317474B1 (cs) | 1980-06-27 |
Family
ID=4103604
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7621193A Granted FR2317474A1 (fr) | 1975-07-11 | 1976-07-09 | Procede d'abattage |
Country Status (18)
| Country | Link |
|---|---|
| JP (1) | JPS529601A (cs) |
| AU (1) | AU497215B2 (cs) |
| CA (1) | CA1012564A (cs) |
| DD (1) | DD126080A5 (cs) |
| DE (1) | DE2630979A1 (cs) |
| DK (1) | DK297376A (cs) |
| ES (1) | ES449723A1 (cs) |
| FI (1) | FI762019A (cs) |
| FR (1) | FR2317474A1 (cs) |
| GB (1) | GB1538494A (cs) |
| IL (1) | IL49894A (cs) |
| IN (1) | IN142616B (cs) |
| MX (1) | MX145910A (cs) |
| NO (1) | NO762410L (cs) |
| PT (1) | PT65353B (cs) |
| SE (1) | SE417855B (cs) |
| ZA (1) | ZA763697B (cs) |
| ZM (1) | ZM8776A1 (cs) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4146272A (en) * | 1977-09-14 | 1979-03-27 | Occidental Oil Shale, Inc. | Explosive placement for explosive expansion toward spaced apart voids |
| US4349227A (en) * | 1979-08-20 | 1982-09-14 | Occidental Oil Shale | Mining system for in situ oil shale retorts |
| US4345794A (en) * | 1980-11-10 | 1982-08-24 | Occidental Oil Shale, Inc. | Placement of explosive for forming in situ oil shale retort |
| US4611856A (en) * | 1981-03-23 | 1986-09-16 | Occidental Oil Shale, Inc. | Two-level, horizontal free face mining system for in situ oil shale retorts |
| CN108661643B (zh) * | 2018-04-25 | 2019-08-16 | 太原理工大学 | 一种采煤工作面末采回撤通道切顶卸压护巷方法 |
| CN113404498B (zh) * | 2021-06-18 | 2024-01-05 | 安徽金日晟矿业有限责任公司 | 一种vcr采矿方法 |
| CN114427463B (zh) * | 2022-01-25 | 2022-11-15 | 长沙矿山研究院有限责任公司 | 深部矿床下向进路式盘区分区卸荷分层超前卸压回采方法 |
| CN115450627A (zh) * | 2022-08-30 | 2022-12-09 | 深圳市中金岭南有色金属股份有限公司凡口铅锌矿 | Vcr法破顶层与底柱同时回采方法 |
| CN115468465A (zh) * | 2022-09-28 | 2022-12-13 | 彝良驰宏矿业有限公司 | 一种无掏槽快速形成补偿空间的爆破方法 |
-
1975
- 1975-07-11 CA CA231,434A patent/CA1012564A/en not_active Expired
-
1976
- 1976-06-22 ZA ZA763697A patent/ZA763697B/xx unknown
- 1976-06-24 IN IN1129/CAL/76A patent/IN142616B/en unknown
- 1976-06-24 IL IL49894A patent/IL49894A/xx unknown
- 1976-06-25 AU AU15293/76A patent/AU497215B2/en not_active Expired
- 1976-06-30 ZM ZM7687A patent/ZM8776A1/xx unknown
- 1976-07-01 DK DK297376A patent/DK297376A/da unknown
- 1976-07-07 MX MX165410A patent/MX145910A/es unknown
- 1976-07-08 SE SE7607841A patent/SE417855B/xx unknown
- 1976-07-09 PT PT65353A patent/PT65353B/pt unknown
- 1976-07-09 FI FI762019A patent/FI762019A/fi not_active Application Discontinuation
- 1976-07-09 DE DE19762630979 patent/DE2630979A1/de not_active Withdrawn
- 1976-07-09 GB GB28586/76A patent/GB1538494A/en not_active Expired
- 1976-07-09 JP JP51081062A patent/JPS529601A/ja active Pending
- 1976-07-09 ES ES449723A patent/ES449723A1/es not_active Expired
- 1976-07-09 NO NO762410A patent/NO762410L/no unknown
- 1976-07-09 FR FR7621193A patent/FR2317474A1/fr active Granted
- 1976-07-09 DD DD193786A patent/DD126080A5/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| PT65353A (en) | 1976-08-01 |
| ZM8776A1 (en) | 1978-10-23 |
| IL49894A (en) | 1978-06-15 |
| AU497215B2 (en) | 1978-12-07 |
| FR2317474A1 (fr) | 1977-02-04 |
| NO762410L (cs) | 1977-01-12 |
| DK297376A (da) | 1977-01-12 |
| FI762019A (cs) | 1977-01-12 |
| IN142616B (cs) | 1977-08-06 |
| IL49894A0 (en) | 1976-08-31 |
| MX145910A (es) | 1982-04-21 |
| SE7607841L (sv) | 1977-01-12 |
| CA1012564A (en) | 1977-06-21 |
| GB1538494A (en) | 1979-01-17 |
| DD126080A5 (cs) | 1977-06-15 |
| JPS529601A (en) | 1977-01-25 |
| PT65353B (en) | 1978-01-09 |
| ZA763697B (en) | 1977-05-25 |
| DE2630979A1 (de) | 1977-01-20 |
| SE417855B (sv) | 1981-04-13 |
| AU1529376A (en) | 1978-01-05 |
| ES449723A1 (es) | 1977-08-01 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |