GB191507709A - Improvements in Rock Hammer Drills. - Google Patents

Improvements in Rock Hammer Drills.

Info

Publication number
GB191507709A
GB191507709A GB191507709DA GB191507709A GB 191507709 A GB191507709 A GB 191507709A GB 191507709D A GB191507709D A GB 191507709DA GB 191507709 A GB191507709 A GB 191507709A
Authority
GB
United Kingdom
Prior art keywords
cylinder
hammer drills
rock hammer
chamber
rock
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
Frederick Ernest Kewley
John Alan Corner
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
Publication of GB191507709A publication Critical patent/GB191507709A/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
    • E21B1/00—Percussion drilling
    • E21B1/12—Percussion drilling with a reciprocating impulse member
    • E21B1/24—Percussion drilling with a reciprocating impulse member the impulse member being a piston driven directly by fluid pressure
    • E21B1/30—Percussion drilling with a reciprocating impulse member the impulse member being a piston driven directly by fluid pressure by air, steam or gas pressure

Landscapes

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

Abstract

7709. Kewley, F. E., and Corner, J. A. May 22. No Patent granted (Sealing fee not paid). Percussive hand tools. -The cylinder 1 and handle 2 are formed integral from a forging of nickel steel &c., the valve chamber 3 and passages and a chamber 4 for a lubricator being bored or cut in the solid metal. An extension 7 of the cylinder is connected to the drill stock 13 by bolts 16 provided with springs, and to the guide-bush 8 by feather-keys 11.
GB191507709D 1915-05-22 1915-05-22 Improvements in Rock Hammer Drills. Expired GB191507709A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB191507709T 1915-05-22

Publications (1)

Publication Number Publication Date
GB191507709A true GB191507709A (en) 1916-02-10

Family

ID=32650037

Family Applications (1)

Application Number Title Priority Date Filing Date
GB191507709D Expired GB191507709A (en) 1915-05-22 1915-05-22 Improvements in Rock Hammer Drills.

Country Status (1)

Country Link
GB (1) GB191507709A (en)

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