AU574545B2 - Improved shaft sinking method - Google Patents

Improved shaft sinking method

Info

Publication number
AU574545B2
AU574545B2 AU51033/85A AU5103385A AU574545B2 AU 574545 B2 AU574545 B2 AU 574545B2 AU 51033/85 A AU51033/85 A AU 51033/85A AU 5103385 A AU5103385 A AU 5103385A AU 574545 B2 AU574545 B2 AU 574545B2
Authority
AU
Australia
Prior art keywords
sinking method
improved shaft
shaft sinking
improved
sinking
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.)
Ceased
Application number
AU51033/85A
Other versions
AU5103385A (en
Inventor
Garrett Michael Sainsbury
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.)
G M SAINSBURY
Original Assignee
G M SAINSBURY
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 G M SAINSBURY filed Critical G M SAINSBURY
Priority to AU51033/85A priority Critical patent/AU574545B2/en
Priority to EP85308878A priority patent/EP0184460A3/en
Publication of AU5103385A publication Critical patent/AU5103385A/en
Application granted granted Critical
Publication of AU574545B2 publication Critical patent/AU574545B2/en
Anticipated expiration legal-status Critical
Ceased 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
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00—Drill bits
    • E21B10/26—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers
    • E21B10/32—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers with expansible cutting tools
    • E21B10/322—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers with expansible cutting tools cutter shifted by fluid pressure

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)
AU51033/85A 1984-12-05 1985-12-04 Improved shaft sinking method Ceased AU574545B2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AU51033/85A AU574545B2 (en) 1984-12-05 1985-12-04 Improved shaft sinking method
EP85308878A EP0184460A3 (en) 1984-12-05 1985-12-05 Improved shaft sinking method

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AUPG8420 1984-12-05
AU51033/85A AU574545B2 (en) 1984-12-05 1985-12-04 Improved shaft sinking method

Publications (2)

Publication Number Publication Date
AU5103385A AU5103385A (en) 1986-06-12
AU574545B2 true AU574545B2 (en) 1988-07-07

Family

ID=3737550

Family Applications (1)

Application Number Title Priority Date Filing Date
AU51033/85A Ceased AU574545B2 (en) 1984-12-05 1985-12-04 Improved shaft sinking method

Country Status (1)

Country Link
AU (1) AU574545B2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116988831B (en) 2023-09-27 2023-12-12 太原理工大学 Roof fracture form-based coal mine initial mining period I-shaped filling method

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU511684B2 (en) * 1979-07-18 1980-08-28 Jack Kennedy Sturgess Shaft sinking

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU511684B2 (en) * 1979-07-18 1980-08-28 Jack Kennedy Sturgess Shaft sinking

Also Published As

Publication number Publication date
AU5103385A (en) 1986-06-12

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