FR319962A - Improvements in rock-cutting or breaking devices - Google Patents

Improvements in rock-cutting or breaking devices

Info

Publication number
FR319962A
FR319962A FR319962DA FR319962A FR 319962 A FR319962 A FR 319962A FR 319962D A FR319962D A FR 319962DA FR 319962 A FR319962 A FR 319962A
Authority
FR
France
Prior art keywords
rock
cutting
breaking devices
breaking
devices
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
French (fr)
Inventor
Lobnitz
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 FR319962A publication Critical patent/FR319962A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
    • E02B3/02—Stream regulation, e.g. breaking up subaqueous rock, cleaning the beds of waterways, directing the water flow
    • E02B3/026—Removing solid rocks
    • 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
    • E21B1/02—Surface drives for drop hammers or percussion drilling, e.g. with a cable
    • E21B1/04—Devices for reversing the movement of the rod or cable at the surface

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Ocean & Marine Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
FR319962D 1902-03-26 1902-03-26 Improvements in rock-cutting or breaking devices Expired FR319962A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR319962T 1902-03-26

Publications (1)

Publication Number Publication Date
FR319962A true FR319962A (en) 1902-11-27

Family

ID=1370499

Family Applications (1)

Application Number Title Priority Date Filing Date
FR319962D Expired FR319962A (en) 1902-03-26 1902-03-26 Improvements in rock-cutting or breaking devices

Country Status (1)

Country Link
FR (1) FR319962A (en)

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