ZA723861B - Stone or rock splitting tools - Google Patents

Stone or rock splitting tools

Info

Publication number
ZA723861B
ZA723861B ZA723861A ZA723861A ZA723861B ZA 723861 B ZA723861 B ZA 723861B ZA 723861 A ZA723861 A ZA 723861A ZA 723861 A ZA723861 A ZA 723861A ZA 723861 B ZA723861 B ZA 723861B
Authority
ZA
South Africa
Prior art keywords
stone
rock splitting
splitting tools
tools
rock
Prior art date
Application number
ZA723861A
Inventor
H Darda
Original Assignee
H Darda
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 H Darda filed Critical H Darda
Publication of ZA723861B publication Critical patent/ZA723861B/en

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C37/00—Other methods or devices for dislodging with or without loading
    • E21C37/06—Other methods or devices for dislodging with or without loading by making use of hydraulic or pneumatic pressure in a borehole
    • E21C37/10—Devices with expanding elastic casings
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C37/00—Other methods or devices for dislodging with or without loading
    • E21C37/02—Other methods or devices for dislodging with or without loading by wedges

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
ZA723861A 1971-06-14 1972-06-06 Stone or rock splitting tools ZA723861B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712129444 DE2129444A1 (en) 1971-06-14 1971-06-14 Device for mechanical breaking down of rock or the like.

Publications (1)

Publication Number Publication Date
ZA723861B true ZA723861B (en) 1973-03-28

Family

ID=5810730

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA723861A ZA723861B (en) 1971-06-14 1972-06-06 Stone or rock splitting tools

Country Status (4)

Country Link
DE (1) DE2129444A1 (en)
FR (1) FR2141920A1 (en)
GB (1) GB1324310A (en)
ZA (1) ZA723861B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI64438C (en) * 1981-06-04 1983-11-10 Tampella Oy Ab FOERFARANDE FOER SPJAELKNING AV STEN
GB8514122D0 (en) * 1985-06-05 1985-07-10 Ilukkumbure P W Jack bolt
CN104948188B (en) * 2015-07-06 2017-03-22 北京旭日汇安矿山工程技术有限公司 Overload protection device for stone cracking equipment

Also Published As

Publication number Publication date
GB1324310A (en) 1973-07-25
FR2141920A1 (en) 1973-01-26
DE2129444A1 (en) 1972-12-21

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