GB382399A - Improvements in or relating to fluid pressure operated rock drilling and like tools - Google Patents

Improvements in or relating to fluid pressure operated rock drilling and like tools

Info

Publication number
GB382399A
GB382399A GB2744831A GB2744831A GB382399A GB 382399 A GB382399 A GB 382399A GB 2744831 A GB2744831 A GB 2744831A GB 2744831 A GB2744831 A GB 2744831A GB 382399 A GB382399 A GB 382399A
Authority
GB
United Kingdom
Prior art keywords
tools
relating
fluid pressure
rock drilling
pressure operated
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
GB2744831A
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.)
ERNEST HENRY SWEETSER
Sir WG Armstrong Whitworth and Co Engineers Ltd
Sir WG Armstrong Whitworth and Co Ltd
Original Assignee
ERNEST HENRY SWEETSER
Sir WG Armstrong Whitworth and Co Engineers Ltd
Sir WG Armstrong Whitworth and Co Ltd
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 ERNEST HENRY SWEETSER, Sir WG Armstrong Whitworth and Co Engineers Ltd, Sir WG Armstrong Whitworth and Co Ltd filed Critical ERNEST HENRY SWEETSER
Priority to GB2744831A priority Critical patent/GB382399A/en
Publication of GB382399A publication Critical patent/GB382399A/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
    • E21B6/00—Drives for drilling with combined rotary and percussive action
    • E21B6/06—Drives for drilling with combined rotary and percussive action the rotation being intermittent, e.g. obtained by ratchet device

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (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)
  • Earth Drilling (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)

Abstract

382,399. Percussive drills. ARMSTRONG WHITWORTH & CO. (ENGINEERS), Ltd., SIR W. G. and SWEETSER, E. H., Scotswood Works, Newcastle-on-Tyne. Oct. 2, 1931, No. 27448. [Class 124.] The twist mechanism comprises a smooth grooved drum 1 secured to the tool spindle which is engaged by sliding spring- pressed wedges 5 to prevent rotation in one direction.
GB2744831A 1931-10-02 1931-10-02 Improvements in or relating to fluid pressure operated rock drilling and like tools Expired GB382399A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2744831A GB382399A (en) 1931-10-02 1931-10-02 Improvements in or relating to fluid pressure operated rock drilling and like tools

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2744831A GB382399A (en) 1931-10-02 1931-10-02 Improvements in or relating to fluid pressure operated rock drilling and like tools

Publications (1)

Publication Number Publication Date
GB382399A true GB382399A (en) 1932-10-27

Family

ID=10259748

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2744831A Expired GB382399A (en) 1931-10-02 1931-10-02 Improvements in or relating to fluid pressure operated rock drilling and like tools

Country Status (1)

Country Link
GB (1) GB382399A (en)

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