[go: up one dir, main page]

CA999312A - Assembly for hydraulic extraction of sheet-like mineral deposits sectioned into panels by a system of passageways - Google Patents

Assembly for hydraulic extraction of sheet-like mineral deposits sectioned into panels by a system of passageways

Info

Publication number
CA999312A
CA999312A CA192,871A CA192871A CA999312A CA 999312 A CA999312 A CA 999312A CA 192871 A CA192871 A CA 192871A CA 999312 A CA999312 A CA 999312A
Authority
CA
Canada
Prior art keywords
passageways
sectioned
panels
sheet
assembly
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
Application number
CA192,871A
Inventor
Manfred Koppers
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rheinstahl AG
Original Assignee
Rheinstahl AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Rheinstahl AG filed Critical Rheinstahl AG
Application granted granted Critical
Publication of CA999312A publication Critical patent/CA999312A/en
Expired legal-status Critical Current

Links

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
    • E21C25/60—Slitting by jets of water or other liquid

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)
  • Auxiliary Methods And Devices For Loading And Unloading (AREA)
  • Bridges Or Land Bridges (AREA)
  • Road Repair (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
CA192,871A 1973-02-15 1974-02-15 Assembly for hydraulic extraction of sheet-like mineral deposits sectioned into panels by a system of passageways Expired CA999312A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2307413A DE2307413C2 (en) 1973-02-15 1973-02-15 Device for the extraction of a floz-like deposit in longwall mining

Publications (1)

Publication Number Publication Date
CA999312A true CA999312A (en) 1976-11-02

Family

ID=5871976

Family Applications (1)

Application Number Title Priority Date Filing Date
CA192,871A Expired CA999312A (en) 1973-02-15 1974-02-15 Assembly for hydraulic extraction of sheet-like mineral deposits sectioned into panels by a system of passageways

Country Status (6)

Country Link
US (1) US3887235A (en)
CA (1) CA999312A (en)
DE (1) DE2307413C2 (en)
FR (1) FR2217524B1 (en)
GB (1) GB1426854A (en)
PL (1) PL98946B1 (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3960408A (en) * 1974-03-18 1976-06-01 World Oil Mining Ltd. Tunnel layout for longwall mining using shields
FR2288850A1 (en) * 1974-10-25 1976-05-21 Kaiser Resources Ltd Water jet coal extraction system - water jet travels over coal face in sloping gallery with slurry washed away (BR130776)
DE2751199C2 (en) * 1977-11-16 1985-07-18 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Planing device for hydraulic high pressure extraction
DE2751790C2 (en) * 1977-11-19 1986-01-23 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Device for pre-cutting a hanging and / or lying slot in the combined mechanical and hydraulic extraction of coal and the like.
DE2806767C2 (en) * 1978-02-17 1987-04-23 Gewerkschaft Eisenhütte Westfalia GmbH, 4670 Lünen Mining equipment for long or short front mining
US4265487A (en) * 1978-04-10 1981-05-05 The Curators Of The University Of Missouri High pressure water jet mining machine
DE2926288C2 (en) * 1979-06-29 1986-04-17 Wayss & Freytag Ag, 6000 Frankfurt Equipment for excavation of soil in shield drives with a liquid-supported face
DE3004443A1 (en) * 1980-02-07 1981-08-13 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen ROLL MILLING MACHINE, ESPECIALLY FOR THE DEGRADATION OF ORE BEARINGS AND THE LIKE
DE3045126A1 (en) * 1980-11-29 1982-09-09 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Large mineral breaker on mine long front-gallery junction - is hydraulically operated with nozzles for high pressure cutting jets
DE3048939C2 (en) * 1980-12-24 1982-12-30 Friedrich Wilhelm 4230 Wesel Paurat Device for extracting and conveying coal
US5879057A (en) * 1996-11-12 1999-03-09 Amvest Corporation Horizontal remote mining system, and method
AU730204B2 (en) * 1997-05-06 2001-03-01 Imc-Agrico Company Softwall mining method and device
CN109143384B (en) * 2018-09-27 2020-03-20 太原理工大学 Physical simulation experiment method for detecting position of water-accumulating goaf in tunneling

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2891778A (en) * 1956-12-17 1959-06-23 Milik Rudolf Long wall mining apparatus having a seam embracing channel
FR1337337A (en) * 1962-07-10 1963-09-13 Planing device with a steep slope and more particularly for anti-kickback and nose-up devices of an armored conveyor when the felling machine passes, for example planer, in mining operations
DE1188534B (en) * 1963-05-24 1965-03-11 Gewerk Eisenhuette Westfalia Device for the extraction of coal in longwall mining

Also Published As

Publication number Publication date
AU6465474A (en) 1975-07-24
FR2217524A1 (en) 1974-09-06
GB1426854A (en) 1976-03-03
DE2307413C2 (en) 1980-02-14
US3887235A (en) 1975-06-03
PL98946B1 (en) 1978-05-31
FR2217524B1 (en) 1978-06-23
DE2307413B1 (en) 1974-03-07

Similar Documents

Publication Publication Date Title
CA1023541A (en) Surfactant oil recovery process
CA1011913A (en) Method of forming a panel
CA1001068A (en) Vertical downward gas-driven miscible blanket flooding oil recovery process
CA999312A (en) Assembly for hydraulic extraction of sheet-like mineral deposits sectioned into panels by a system of passageways
AU6886974A (en) Recovery of sucrose
CA999311A (en) Mining method
CA980817A (en) Method of hydraulically mining underground materials
CA1004822A (en) Building panels
CA995654A (en) Hydraulically operated apparatus for mechanically breaking up rock
CA933861A (en) Hydraulically operated system for subsurface operations
CA995129A (en) Tar sand recovery method
CA1011644A (en) Vertical downward gas-driven miscible blanket flooding oil recovery process
CA923816A (en) Method for excavating by explosions
SU570697A1 (en) Device for mining oil-bearing deposits
AU3708871A (en) Process for isolating a fibrin-stabilising factor
AU468178B2 (en) Process for hydraulically mining coal
CA1022493A (en) Method for recovering hydroperoxide
CA1001066A (en) Solution mining technique for tar sand deposits
CA1005087A (en) Rock cutter assemblies
CA1018342A (en) Subsidence control process for wells penetrating permafrost
AU479276B2 (en) Improvements relating to rock drilling apparatus
CA966153A (en) Process for hydraulic mining of coal
CA1008260A (en) Constructional method
CA1009835A (en) Process for oil recovery with dilute surfactant system
AU479279B2 (en) Secondary recovery method