GB191223561A - Improvements in Hydraulic Drilling Apparatus. - Google Patents

Improvements in Hydraulic Drilling Apparatus.

Info

Publication number
GB191223561A
GB191223561A GB191223561DA GB191223561A GB 191223561 A GB191223561 A GB 191223561A GB 191223561D A GB191223561D A GB 191223561DA GB 191223561 A GB191223561 A GB 191223561A
Authority
GB
United Kingdom
Prior art keywords
cylinder
valve
rods
ports
bore
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
Other languages
English (en)
Inventor
Bela Von Vangel
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 GB191223561A publication Critical patent/GB191223561A/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
    • E21B4/00—Drives for drilling, used in the borehole
    • E21B4/06—Down-hole impacting means, e.g. hammers
    • E21B4/14—Fluid operated hammers

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)
GB191223561D 1911-11-04 1912-10-15 Improvements in Hydraulic Drilling Apparatus. Expired GB191223561A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE191223561X 1911-11-04

Publications (1)

Publication Number Publication Date
GB191223561A true GB191223561A (en) 1913-09-11

Family

ID=32522609

Family Applications (1)

Application Number Title Priority Date Filing Date
GB191223561D Expired GB191223561A (en) 1911-11-04 1912-10-15 Improvements in Hydraulic Drilling Apparatus.

Country Status (2)

Country Link
DE (1) DE255533C (enrdf_load_html_response)
GB (1) GB191223561A (enrdf_load_html_response)

Also Published As

Publication number Publication date
DE255533C (enrdf_load_html_response)

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