ZA705310B - Improvements in rock boring machinery - Google Patents

Improvements in rock boring machinery

Info

Publication number
ZA705310B
ZA705310B ZA705310*A ZA705310A ZA705310B ZA 705310 B ZA705310 B ZA 705310B ZA 705310 A ZA705310 A ZA 705310A ZA 705310 B ZA705310 B ZA 705310B
Authority
ZA
South Africa
Prior art keywords
rock boring
boring machinery
machinery
rock
boring
Prior art date
Application number
ZA705310*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 ZA705310*A priority Critical patent/ZA705310B/en
Priority to CA118,829,A priority patent/CA950484A/en
Priority to US00166022A priority patent/US3749448A/en
Priority to GB3489371A priority patent/GB1327289A/en
Priority to AU31675/71A priority patent/AU465771B2/en
Priority to DE19712138013 priority patent/DE2138013A1/en
Priority to JP46056429A priority patent/JPS5250722B1/ja
Priority to SE09825/71A priority patent/SE370098B/xx
Publication of ZA705310B publication Critical patent/ZA705310B/en

Links

Classifications

    • 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
    • E21D9/10—Making by using boring or cutting machines
    • E21D9/1093—Devices for supporting, advancing or orientating the machine or the tool-carrier

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)
ZA705310*A 1970-07-31 1970-07-31 Improvements in rock boring machinery ZA705310B (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
ZA705310*A ZA705310B (en) 1970-07-31 1970-07-31 Improvements in rock boring machinery
CA118,829,A CA950484A (en) 1970-07-31 1971-07-22 Rock boring machinery
US00166022A US3749448A (en) 1970-07-31 1971-07-26 Rock boring machine with swinging hammers and steering
GB3489371A GB1327289A (en) 1970-07-31 1971-07-26 Rock boring machines
AU31675/71A AU465771B2 (en) 1970-07-31 1971-07-27 Improvements in rock boring machinery
DE19712138013 DE2138013A1 (en) 1970-07-31 1971-07-29 Rock drilling machine
JP46056429A JPS5250722B1 (en) 1970-07-31 1971-07-29
SE09825/71A SE370098B (en) 1970-07-31 1971-07-30

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ZA705310*A ZA705310B (en) 1970-07-31 1970-07-31 Improvements in rock boring machinery

Publications (1)

Publication Number Publication Date
ZA705310B true ZA705310B (en) 1971-09-29

Family

ID=25562327

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA705310*A ZA705310B (en) 1970-07-31 1970-07-31 Improvements in rock boring machinery

Country Status (8)

Country Link
US (1) US3749448A (en)
JP (1) JPS5250722B1 (en)
AU (1) AU465771B2 (en)
CA (1) CA950484A (en)
DE (1) DE2138013A1 (en)
GB (1) GB1327289A (en)
SE (1) SE370098B (en)
ZA (1) ZA705310B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4371210A (en) * 1978-04-10 1983-02-01 Kennametal Inc. Freely rotatable pick bit holder on rotary driven member and method

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1195396A (en) * 1916-08-22 recen
US3061288A (en) * 1959-06-15 1962-10-30 Goodman Mfg Co Steering means for rotary head tunneling machine
US3437380A (en) * 1967-11-06 1969-04-08 Alkirk Inc Steering method and apparatus

Also Published As

Publication number Publication date
GB1327289A (en) 1973-08-22
US3749448A (en) 1973-07-31
SE370098B (en) 1974-09-30
AU3167571A (en) 1973-02-01
CA950484A (en) 1974-07-02
JPS5250722B1 (en) 1977-12-27
AU465771B2 (en) 1975-10-09
DE2138013A1 (en) 1972-02-03

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