GB191101560A - Improvements relating to Mining and Boring Drills. - Google Patents

Improvements relating to Mining and Boring Drills.

Info

Publication number
GB191101560A
GB191101560A GB191101560DA GB191101560A GB 191101560 A GB191101560 A GB 191101560A GB 191101560D A GB191101560D A GB 191101560DA GB 191101560 A GB191101560 A GB 191101560A
Authority
GB
United Kingdom
Prior art keywords
mining
improvements relating
boring drills
drills
stock
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
Inventor
Thomas Hughes
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
Application granted granted Critical
Publication of GB191101560A publication Critical patent/GB191101560A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • E21B10/36—Percussion drill bits

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)

Abstract

1560. Hughes, T. Jan. 20. Percussive drills.-In a mining-drill of the type in which a removable bit is attached to the stock by a dovetail joint, the edges over the joint b are in alinement, and the shoulders e on the bit a rest on the end of the stock c.
GB191101560D 1911-01-20 1911-01-20 Improvements relating to Mining and Boring Drills. Expired GB191101560A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB191101560T 1911-01-20

Publications (1)

Publication Number Publication Date
GB191101560A true GB191101560A (en) 1911-08-10

Family

ID=32365546

Family Applications (1)

Application Number Title Priority Date Filing Date
GB191101560D Expired GB191101560A (en) 1911-01-20 1911-01-20 Improvements relating to Mining and Boring Drills.

Country Status (1)

Country Link
GB (1) GB191101560A (en)

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