ZA705311B - Improvements in rock boring machinery - Google Patents

Improvements in rock boring machinery

Info

Publication number
ZA705311B
ZA705311B ZA705311*A ZA705311A ZA705311B ZA 705311 B ZA705311 B ZA 705311B ZA 705311 A ZA705311 A ZA 705311A ZA 705311 B ZA705311 B ZA 705311B
Authority
ZA
South Africa
Prior art keywords
rock boring
boring machinery
machinery
rock
boring
Prior art date
Application number
ZA705311*A
Inventor
R Taylor
Original Assignee
Anglo Transvaal Cons Invest
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 Anglo Transvaal Cons Invest filed Critical Anglo Transvaal Cons Invest
Priority to ZA705311*A priority Critical patent/ZA705311B/en
Priority to CA118,830A priority patent/CA945181A/en
Priority to GB3489271A priority patent/GB1352447A/en
Priority to US00165904A priority patent/US3765725A/en
Priority to AU31674/71A priority patent/AU468246B2/en
Priority to JP46056428A priority patent/JPS5218642B1/ja
Priority to DE19712138012 priority patent/DE2138012A1/en
Priority to SE7109826A priority patent/SE383645B/en
Publication of ZA705311B publication Critical patent/ZA705311B/en

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK 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
    • E21D9/10—Making by using boring or cutting machines
    • E21D9/106—Making by using boring or cutting machines with percussive tools, e.g. pick-hammers

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Earth Drilling (AREA)
ZA705311*A 1970-07-31 1970-07-31 Improvements in rock boring machinery ZA705311B (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
ZA705311*A ZA705311B (en) 1970-07-31 1970-07-31 Improvements in rock boring machinery
CA118,830A CA945181A (en) 1970-07-31 1971-07-22 Rock boring machinery
GB3489271A GB1352447A (en) 1970-07-31 1971-07-26 Rock boring machinery
US00165904A US3765725A (en) 1970-07-31 1971-07-26 Rock boring machine having driven rotors with swinging hammers
AU31674/71A AU468246B2 (en) 1970-07-31 1971-07-27 Improvements in rock boring machinery
JP46056428A JPS5218642B1 (en) 1970-07-31 1971-07-29
DE19712138012 DE2138012A1 (en) 1970-07-31 1971-07-29 Rock drilling machine
SE7109826A SE383645B (en) 1970-07-31 1971-07-30 SCREEN MACHINE

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ZA705311*A ZA705311B (en) 1970-07-31 1970-07-31 Improvements in rock boring machinery

Publications (1)

Publication Number Publication Date
ZA705311B true ZA705311B (en) 1971-09-29

Family

ID=25562328

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA705311*A ZA705311B (en) 1970-07-31 1970-07-31 Improvements in rock boring machinery

Country Status (8)

Country Link
US (1) US3765725A (en)
JP (1) JPS5218642B1 (en)
AU (1) AU468246B2 (en)
CA (1) CA945181A (en)
DE (1) DE2138012A1 (en)
GB (1) GB1352447A (en)
SE (1) SE383645B (en)
ZA (1) ZA705311B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4035024A (en) * 1975-12-15 1977-07-12 Jarva, Inc. Hard rock trench cutting machine
CN106477036A (en) * 2016-11-29 2017-03-08 四川特飞科技股份有限公司 A kind of rectangle combination duct aircraft and its flight control system and method

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1195396A (en) * 1916-08-22 recen
US1659942A (en) * 1926-02-06 1928-02-21 Anthony E Carlson Rock-tunneling machine
DE609860C (en) * 1930-03-25 1935-02-26 Ludwig Hammer Rock drilling machine
US2466709A (en) * 1944-10-02 1949-04-12 Richard D Karr Tunneling machine
US2827274A (en) * 1955-02-11 1958-03-18 Consolidation Coal Co Continuous mining machine with roof contacting means

Also Published As

Publication number Publication date
CA945181A (en) 1974-04-09
GB1352447A (en) 1974-05-08
AU3167471A (en) 1973-02-01
AU468246B2 (en) 1976-01-08
US3765725A (en) 1973-10-16
JPS5218642B1 (en) 1977-05-23
DE2138012A1 (en) 1972-02-03
SE383645B (en) 1976-03-22

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