GB364592A - Improvements in rock drills - Google Patents

Improvements in rock drills

Info

Publication number
GB364592A
GB364592A GB19794/30A GB1979430A GB364592A GB 364592 A GB364592 A GB 364592A GB 19794/30 A GB19794/30 A GB 19794/30A GB 1979430 A GB1979430 A GB 1979430A GB 364592 A GB364592 A GB 364592A
Authority
GB
United Kingdom
Prior art keywords
plunger
control valve
valve
chicago
thence
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
GB19794/30A
Other languages
English (en)
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.)
Sullivan Machinery Co
Original Assignee
Sullivan Machinery Co
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 Sullivan Machinery Co filed Critical Sullivan Machinery Co
Publication of GB364592A publication Critical patent/GB364592A/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
    • E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E21B21/01—Arrangements for handling drilling fluids or cuttings outside the borehole, e.g. mud boxes

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)
GB19794/30A 1929-07-05 1930-06-30 Improvements in rock drills Expired GB364592A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US364592XA 1929-07-05 1929-07-05

Publications (1)

Publication Number Publication Date
GB364592A true GB364592A (en) 1932-01-06

Family

ID=21888714

Family Applications (1)

Application Number Title Priority Date Filing Date
GB19794/30A Expired GB364592A (en) 1929-07-05 1930-06-30 Improvements in rock drills

Country Status (2)

Country Link
BE (1) BE371652A (enrdf_load_stackoverflow)
GB (1) GB364592A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
BE371652A (enrdf_load_stackoverflow)

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