CS187424B2 - Method of exploration of the preface zone in the direction of the coal seam face and device for executing the said method - Google Patents
Method of exploration of the preface zone in the direction of the coal seam face and device for executing the said methodInfo
- Publication number
- CS187424B2 CS187424B2 CS746248A CS624874A CS187424B2 CS 187424 B2 CS187424 B2 CS 187424B2 CS 746248 A CS746248 A CS 746248A CS 624874 A CS624874 A CS 624874A CS 187424 B2 CS187424 B2 CS 187424B2
- Authority
- CS
- Czechoslovakia
- Prior art keywords
- preface
- exploration
- executing
- zone
- coal seam
- Prior art date
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
- G01S15/02—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2345884A DE2345884C3 (de) | 1973-09-12 | 1973-09-12 | Verfahren und Anordnung zur Vorfelderkundung im Zuge des Abbaus eines Kohleflözes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CS187424B2 true CS187424B2 (en) | 1979-01-31 |
Family
ID=5892306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CS746248A CS187424B2 (en) | 1973-09-12 | 1974-09-11 | Method of exploration of the preface zone in the direction of the coal seam face and device for executing the said method |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US3961307A (cs) |
| JP (1) | JPS5724871B2 (cs) |
| AU (1) | AU471646B2 (cs) |
| CA (1) | CA1009740A (cs) |
| CS (1) | CS187424B2 (cs) |
| DE (1) | DE2345884C3 (cs) |
| ES (1) | ES430003A1 (cs) |
| FR (1) | FR2243448B1 (cs) |
| GB (1) | GB1481436A (cs) |
| HU (1) | HU171822B (cs) |
| PL (1) | PL91699B1 (cs) |
| ZA (1) | ZA745808B (cs) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4128011A (en) * | 1974-07-16 | 1978-12-05 | Savage Robert J | Investigation of the soundness of structures |
| FR2379075A1 (fr) * | 1977-01-28 | 1978-08-25 | Inst Francais Du Petrole | Methode de prospection sismique permettant la determination du pendage lateral de couches souterraines et dispositif pour sa mise en oeuvre |
| US4123744A (en) * | 1977-03-10 | 1978-10-31 | Schlumberger Technology Corporation | Method and apparatus for dynamically investigating a borehole |
| JPS53111630A (en) * | 1977-03-11 | 1978-09-29 | Tekken Constr Co | Method of shield excavating and shield excavator |
| US4150576A (en) * | 1977-10-25 | 1979-04-24 | Energy And Minerals Research Co. | Mine roof and wall inspection apparatus and method |
| GB2032103B (en) * | 1978-10-20 | 1983-01-19 | Coal Industry Patents Ltd | Method and apparatus for locating flaws in a mineral seam |
| US4509149A (en) * | 1979-07-16 | 1985-04-02 | Mobil Oil Corporation | Directional long array for logging vertical boundaries |
| GB2100544B (en) * | 1981-06-16 | 1985-11-20 | Ensco Inc | Radar drill guidance system |
| GB8604881D0 (en) * | 1986-02-27 | 1986-04-03 | Grace W R & Co | Container caps |
| DE3638480C2 (de) * | 1986-11-10 | 1994-04-14 | Gsp Sprachtechnologie Ges Fuer | Schallwandlereinrichtung mit entfernungsabhängiger Pegelbeeinflussung |
| DE8702924U1 (cs) * | 1987-02-26 | 1987-07-02 | Maschinenfabrik Glueckauf Beukenberg Gmbh & Co, 4650 Gelsenkirchen, De | |
| GB2233454A (en) * | 1989-05-19 | 1991-01-09 | Coal Ind | Locating the source of a seismic disturbance |
| US5062299A (en) * | 1990-01-05 | 1991-11-05 | Lever Brothers Company, Division Of Conopco, Inc. | Apparatus and method for detecting inhomogeneities in semi-plastic substances through ultrasound |
| GB9011836D0 (en) * | 1990-05-25 | 1990-07-18 | Mason Iain M | Seismic surveying |
| IT1241558B (it) * | 1990-12-21 | 1994-01-17 | Consiglio Nazionale Ricerche | Dispositivo per la trasmissione e la ricezione di sgnali acustici ad alta risoluzione, particolarmente er applicazioni sottomarine, con trasduttore paraboloidale di ricezione circondato da trasduttori parabolidali di trasmissione a eccitazione differenziata. |
| US5496093A (en) * | 1994-12-23 | 1996-03-05 | Csir & Sasol Mining Proprietary Ltd. | Operating a continuous miner |
| AU672542B2 (en) * | 1994-12-29 | 1996-10-03 | Csir | Operating a continuous miner |
| US5769503A (en) * | 1996-07-23 | 1998-06-23 | Stolar, Inc. | Method and apparatus for a rotating cutting drum or arm mounted with paired opposite circular polarity antennas and resonant microstrip patch transceiver for measuring coal, trona and potash layers forward, side and around a continuous mining machine |
| CN110541730B (zh) * | 2019-09-05 | 2021-03-19 | 湖南科技大学 | 一种基于气雾判识煤层距离的方法 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1226512B (de) * | 1965-06-30 | 1966-10-13 | Eickhoff Geb | Einrichtung zum Abtasten des Hangenden, insbesondere fuer Schraemmaschinen in mannlosen Streben des Untertagebergbaues |
| US3346068A (en) * | 1966-10-20 | 1967-10-10 | Atlantic Richfield Co | Focusing and scanning either or both of a plurality of seismic sources and seismometers to produce an improved seismic record |
| US3496533A (en) * | 1968-09-06 | 1970-02-17 | Schlumberger Technology Corp | Directional acoustic transmitting and receiving apparatus |
| US3475722A (en) * | 1968-11-07 | 1969-10-28 | Marathon Oil Co | Method and apparatus for acoustic bore hole logging using acoustic signals of controlled direction |
| US3766519A (en) * | 1970-06-08 | 1973-10-16 | California Research Corp | Method for processing surface detected seismic data to plotted representations of subsurface directional seismic data |
| CS150849B1 (cs) * | 1971-06-29 | 1973-09-17 |
-
1973
- 1973-09-12 DE DE2345884A patent/DE2345884C3/de not_active Expired
-
1974
- 1974-09-09 HU HU74RU00000156A patent/HU171822B/hu unknown
- 1974-09-09 JP JP10307974A patent/JPS5724871B2/ja not_active Expired
- 1974-09-10 US US05/504,768 patent/US3961307A/en not_active Expired - Lifetime
- 1974-09-10 GB GB39366/74A patent/GB1481436A/en not_active Expired
- 1974-09-11 CS CS746248A patent/CS187424B2/cs unknown
- 1974-09-11 FR FR7430720A patent/FR2243448B1/fr not_active Expired
- 1974-09-12 ZA ZA00745808A patent/ZA745808B/xx unknown
- 1974-09-12 PL PL1974174037A patent/PL91699B1/pl unknown
- 1974-09-12 AU AU73254/74A patent/AU471646B2/en not_active Expired
- 1974-09-12 CA CA209,100A patent/CA1009740A/en not_active Expired
- 1974-09-12 ES ES430003A patent/ES430003A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CA1009740A (en) | 1977-05-03 |
| FR2243448B1 (cs) | 1980-04-04 |
| DE2345884C3 (de) | 1979-05-23 |
| DE2345884B2 (de) | 1977-09-08 |
| AU7325474A (en) | 1976-03-18 |
| PL91699B1 (cs) | 1977-03-31 |
| GB1481436A (en) | 1977-07-27 |
| ES430003A1 (es) | 1976-09-16 |
| FR2243448A1 (cs) | 1975-04-04 |
| AU471646B2 (en) | 1976-04-29 |
| US3961307A (en) | 1976-06-01 |
| JPS5724871B2 (cs) | 1982-05-26 |
| JPS5075901A (cs) | 1975-06-21 |
| HU171822B (hu) | 1978-03-28 |
| ZA745808B (en) | 1975-09-24 |
| DE2345884A1 (de) | 1975-07-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CS187424B2 (en) | Method of exploration of the preface zone in the direction of the coal seam face and device for executing the said method | |
| CA1017368A (en) | Method of mining and separating coal in substantially vertical seams | |
| CA995617A (en) | Process and apparatus for continuously heating fine-grained coal | |
| JPS5268206A (en) | Method of processing granular coal | |
| ZA718673B (en) | Geological exploration method and apparatus | |
| AU5084273A (en) | Borehole charging apparatus | |
| JPS5215072A (en) | Coal transportation method | |
| GB1544943A (en) | Method of and machine for mining minerals | |
| ZA725540B (en) | Method for expanding mica-group minerals | |
| ZA718138B (en) | Method for the manufacture of a coal and device for carrying out that method | |
| ZA716657B (en) | Machine and method for lapping gears | |
| ZA721944B (en) | Method and machine for conveying and aligning rod-shaped fasteners | |
| CA949152A (en) | Device for the detection of irregularities in a material | |
| ZA757038B (en) | Synthetic caking coal and method for production thereof | |
| IL37126A0 (en) | A method for the control of heminths in warm-blooded animals | |
| ZA734405B (en) | Coal treating process | |
| GB1367648A (en) | Method for giving brilliance to surfaces | |
| ZA743918B (en) | Method of blasting in rock formation and the like | |
| ZA728123B (en) | A method for the direct reduction of ores | |
| ZA724141B (en) | Method and apparatus for mining | |
| AU5950573A (en) | Mono- and disubstituted hydroxyguanidines | |
| GB1367294A (en) | Electrophotographic material and method | |
| ZA751183B (en) | Mining machine and method for mining minerals | |
| CA907103A (en) | Method and apparatus for the storage and pulping of mineral ores and comparable particulate matter | |
| ZA713338B (en) | Method of joining web material |