CA945181A - Rock boring machinery - Google Patents

Rock boring machinery

Info

Publication number
CA945181A
CA945181A CA118,830A CA118830A CA945181A CA 945181 A CA945181 A CA 945181A CA 118830 A CA118830 A CA 118830A CA 945181 A CA945181 A CA 945181A
Authority
CA
Canada
Prior art keywords
rock boring
boring machinery
machinery
rock
boring
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
CA118,830A
Other versions
CA118830S (en
Inventor
Richard F. Taylor
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.)
ANGLO-TRANSVAAL CONSOLIDATED INVESTMENT Co Ltd
Original Assignee
ANGLO-TRANSVAAL CONSOLIDATED INVESTMENT Co Ltd
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 CONSOLIDATED INVESTMENT Co Ltd filed Critical ANGLO-TRANSVAAL CONSOLIDATED INVESTMENT Co Ltd
Application granted granted Critical
Publication of CA945181A publication Critical patent/CA945181A/en
Expired legal-status Critical Current

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)
CA118,830A 1970-07-31 1971-07-22 Rock boring machinery Expired CA945181A (en)

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
CA945181A true CA945181A (en) 1974-04-09

Family

ID=25562328

Family Applications (1)

Application Number Title Priority Date Filing Date
CA118,830A Expired CA945181A (en) 1970-07-31 1971-07-22 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
SE383645B (en) 1976-03-22
AU468246B2 (en) 1976-01-08
US3765725A (en) 1973-10-16
DE2138012A1 (en) 1972-02-03
AU3167471A (en) 1973-02-01
JPS5218642B1 (en) 1977-05-23
ZA705311B (en) 1971-09-29
GB1352447A (en) 1974-05-08

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