GB225314A - An improved percussion and rotary drilling tool - Google Patents

An improved percussion and rotary drilling tool

Info

Publication number
GB225314A
GB225314A GB2294023A GB2294023A GB225314A GB 225314 A GB225314 A GB 225314A GB 2294023 A GB2294023 A GB 2294023A GB 2294023 A GB2294023 A GB 2294023A GB 225314 A GB225314 A GB 225314A
Authority
GB
United Kingdom
Prior art keywords
drilling tool
rotary drilling
chisels
improved percussion
percussion
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
GB2294023A
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 GB2294023A priority Critical patent/GB225314A/en
Publication of GB225314A publication Critical patent/GB225314A/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)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)

Abstract

225,314. EscarÚ, C. M. Sept. 13, 1923. Drills. - A percussive and rotary drill for operating on brick, stone, concrete, tiles and similar hard materials consists of a drawn steel bar, the end being divided by saw-cuts to provide a series of chisels a which are arranged so that there is no dead centre. The sides are hollowed at b to provide clearance for cuttings and slots c are cut between the chisels for the same purpose.
GB2294023A 1923-09-13 1923-09-13 An improved percussion and rotary drilling tool Expired GB225314A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2294023A GB225314A (en) 1923-09-13 1923-09-13 An improved percussion and rotary drilling tool

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2294023A GB225314A (en) 1923-09-13 1923-09-13 An improved percussion and rotary drilling tool

Publications (1)

Publication Number Publication Date
GB225314A true GB225314A (en) 1924-12-04

Family

ID=10187516

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2294023A Expired GB225314A (en) 1923-09-13 1923-09-13 An improved percussion and rotary drilling tool

Country Status (1)

Country Link
GB (1) GB225314A (en)

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