CA967987A - Excavating apparatus - Google Patents

Excavating apparatus

Info

Publication number
CA967987A
CA967987A CA162,493A CA162493A CA967987A CA 967987 A CA967987 A CA 967987A CA 162493 A CA162493 A CA 162493A CA 967987 A CA967987 A CA 967987A
Authority
CA
Canada
Prior art keywords
excavating apparatus
excavating
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
CA162,493A
Other versions
CA162493S (en
Inventor
George Ylonen
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to CA162,493A priority Critical patent/CA967987A/en
Priority to US00358501A priority patent/US3845989A/en
Application granted granted Critical
Publication of CA967987A publication Critical patent/CA967987A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D1/00—Sinking shafts
    • E21D1/03—Sinking shafts mechanically, e.g. by loading shovels or loading buckets, scraping devices, conveying screws

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)
  • Earth Drilling (AREA)
CA162,493A 1973-01-31 1973-01-31 Excavating apparatus Expired CA967987A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CA162,493A CA967987A (en) 1973-01-31 1973-01-31 Excavating apparatus
US00358501A US3845989A (en) 1973-01-31 1973-05-09 Excavating apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA162,493A CA967987A (en) 1973-01-31 1973-01-31 Excavating apparatus

Publications (1)

Publication Number Publication Date
CA967987A true CA967987A (en) 1975-05-20

Family

ID=4095689

Family Applications (1)

Application Number Title Priority Date Filing Date
CA162,493A Expired CA967987A (en) 1973-01-31 1973-01-31 Excavating apparatus

Country Status (2)

Country Link
US (1) US3845989A (en)
CA (1) CA967987A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ZA859277B (en) * 1984-12-05 1986-08-27 Garrett Michael Sainsbury Shaft sinking method

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2014163A (en) * 1931-04-16 1935-09-10 Kopel A Berlin Method and means for sinking shafts
GB409316A (en) * 1932-10-24 1934-04-24 Kopel Aronovitch Berlin Improvements in method and means for sinking shafts

Also Published As

Publication number Publication date
US3845989A (en) 1974-11-05

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