ZA731B - Improvements in or relating to apparatus for and to methods of rock cutting - Google Patents

Improvements in or relating to apparatus for and to methods of rock cutting

Info

Publication number
ZA731B
ZA731B ZA730001A ZA731A ZA731B ZA 731 B ZA731 B ZA 731B ZA 730001 A ZA730001 A ZA 730001A ZA 731 A ZA731 A ZA 731A ZA 731 B ZA731 B ZA 731B
Authority
ZA
South Africa
Prior art keywords
relating
methods
rock cutting
rock
cutting
Prior art date
Application number
ZA730001A
Inventor
Taylor N Hall
C Noren
Original Assignee
Atlas Copco Ab
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 Atlas Copco Ab filed Critical Atlas Copco Ab
Priority to ZA730001A priority Critical patent/ZA731B/en
Priority to DE2365281A priority patent/DE2365281A1/en
Publication of ZA731B publication Critical patent/ZA731B/en

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C25/00—Cutting machines, i.e. for making slits approximately parallel or perpendicular to the seam
    • E21C25/60—Slitting by jets of water or other liquid

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
ZA730001A 1973-01-02 1973-01-02 Improvements in or relating to apparatus for and to methods of rock cutting ZA731B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
ZA730001A ZA731B (en) 1973-01-02 1973-01-02 Improvements in or relating to apparatus for and to methods of rock cutting
DE2365281A DE2365281A1 (en) 1973-01-02 1973-12-31 PROCESS FOR CUTTING ROCK, IN PARTICULAR PRESERVED STRATIFIC STONE IN MINING

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ZA730001A ZA731B (en) 1973-01-02 1973-01-02 Improvements in or relating to apparatus for and to methods of rock cutting

Publications (1)

Publication Number Publication Date
ZA731B true ZA731B (en) 1974-08-28

Family

ID=25565801

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA730001A ZA731B (en) 1973-01-02 1973-01-02 Improvements in or relating to apparatus for and to methods of rock cutting

Country Status (2)

Country Link
DE (1) DE2365281A1 (en)
ZA (1) ZA731B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2754381C2 (en) * 1977-12-07 1985-06-05 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Extraction equipment, in particular for coal extraction in underground operations
DE2751199C2 (en) * 1977-11-16 1985-07-18 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Planing device for hydraulic high pressure extraction

Also Published As

Publication number Publication date
DE2365281A1 (en) 1974-07-11

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