GB191415310A - Improvements in or relating to Drills. - Google Patents

Improvements in or relating to Drills.

Info

Publication number
GB191415310A
GB191415310A GB191415310DA GB191415310A GB 191415310 A GB191415310 A GB 191415310A GB 191415310D A GB191415310D A GB 191415310DA GB 191415310 A GB191415310 A GB 191415310A
Authority
GB
United Kingdom
Prior art keywords
drills
relating
shank
lugs
cutters
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
John Beveridge
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 GB191415310A publication Critical patent/GB191415310A/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
    • E21B10/44—Bits with helical conveying portion, e.g. screw type bits; Augers with leading portion or with detachable parts

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)
  • Scissors And Nippers (AREA)

Abstract

15,310. Beveridge, J. June 26. Drills, particularly those for use by miners have the cutting-portions C, D, Fig. 2, detachable from the shank and secured by lugs E, Fig. 4, on the cutters engaging the sides of box-like lugs B formed on the shank and by a wedge J. Figs. 4 and 5 show, modified forms of cutters.
GB191415310D 1914-06-26 1914-06-26 Improvements in or relating to Drills. Expired GB191415310A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB191415310T 1914-06-26

Publications (1)

Publication Number Publication Date
GB191415310A true GB191415310A (en) 1915-03-04

Family

ID=32585114

Family Applications (1)

Application Number Title Priority Date Filing Date
GB191415310D Expired GB191415310A (en) 1914-06-26 1914-06-26 Improvements in or relating to Drills.

Country Status (1)

Country Link
GB (1) GB191415310A (en)

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