BR7800417A - Processo de mineracao do radio - Google Patents

Processo de mineracao do radio

Info

Publication number
BR7800417A
BR7800417A BR7800417A BR7800417A BR7800417A BR 7800417 A BR7800417 A BR 7800417A BR 7800417 A BR7800417 A BR 7800417A BR 7800417 A BR7800417 A BR 7800417A BR 7800417 A BR7800417 A BR 7800417A
Authority
BR
Brazil
Prior art keywords
radio
mining process
mining
radio mining
Prior art date
Application number
BR7800417A
Other languages
English (en)
Inventor
H Roye
Original Assignee
H Roye
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 H Roye filed Critical H Roye
Publication of BR7800417A publication Critical patent/BR7800417A/pt

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C41/00—Methods of underground or surface mining; Layouts therefor
    • E21C41/16—Methods of underground mining; Layouts therefor
    • E21C41/18—Methods of underground mining; Layouts therefor for brown or hard coal
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK 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 OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C41/00—Methods of underground or surface mining; Layouts therefor
    • E21C41/26—Methods of surface mining; Layouts therefor
    • E21C41/28—Methods of surface mining; Layouts therefor for brown or hard coal

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Remote Sensing (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Earth Drilling (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
  • Extraction Or Liquid Replacement (AREA)
BR7800417A 1977-01-24 1978-01-24 Processo de mineracao do radio BR7800417A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/761,797 US4072351A (en) 1977-01-24 1977-01-24 Radial mining method

Publications (1)

Publication Number Publication Date
BR7800417A true BR7800417A (pt) 1978-10-03

Family

ID=25063291

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7800417A BR7800417A (pt) 1977-01-24 1978-01-24 Processo de mineracao do radio

Country Status (10)

Country Link
US (1) US4072351A (pt)
JP (1) JPS53108001A (pt)
AU (1) AU521918B2 (pt)
BE (1) BE863207A (pt)
BR (1) BR7800417A (pt)
CA (1) CA1077973A (pt)
DE (1) DE2802943A1 (pt)
FR (1) FR2378173A1 (pt)
GT (1) GT197850707A (pt)
NL (1) NL7800827A (pt)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4195886A (en) * 1977-01-24 1980-04-01 Roye Henry L Radial mining method
US4452489A (en) * 1982-09-20 1984-06-05 Methane Drainage Ventures Multiple level methane drainage shaft method
CN111364998B (zh) * 2020-03-12 2021-05-25 中煤能源研究院有限责任公司 一种露天矿端帮压煤单侧沿充掘进开采方法
CN112377195B (zh) * 2020-11-12 2023-02-14 江显秋 矿山洞采取石方法
CN113006794B (zh) * 2021-02-23 2021-11-30 北京科技大学 一种溶石化学定时崩解定量卸压矿石能源开采方法
CN113027459B (zh) * 2021-04-25 2021-09-24 中国矿业大学 煤与煤系共生铝土矿协调开采系统及其上行开拓延伸方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3582138A (en) * 1969-04-24 1971-06-01 Robert L Loofbourow Toroid excavation system
US3975053A (en) * 1973-12-03 1976-08-17 Kochanowsky Boris J Mining methods as such and combined with equipment
US4007966A (en) * 1975-12-29 1977-02-15 Atlantic Richfield Company Single-entry mining development system

Also Published As

Publication number Publication date
DE2802943A1 (de) 1978-07-27
FR2378173A1 (fr) 1978-08-18
GT197850707A (es) 1979-07-27
JPS53108001A (en) 1978-09-20
AU3285378A (en) 1979-08-09
US4072351A (en) 1978-02-07
CA1077973A (en) 1980-05-20
NL7800827A (nl) 1978-07-26
AU521918B2 (en) 1982-05-06
BE863207A (fr) 1978-05-16

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