JPS5421580B2 - - Google Patents

Info

Publication number
JPS5421580B2
JPS5421580B2 JP801376A JP801376A JPS5421580B2 JP S5421580 B2 JPS5421580 B2 JP S5421580B2 JP 801376 A JP801376 A JP 801376A JP 801376 A JP801376 A JP 801376A JP S5421580 B2 JPS5421580 B2 JP S5421580B2
Authority
JP
Japan
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
JP801376A
Other versions
JPS51100376A (ja
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 filed Critical
Priority to JP801376A priority Critical patent/JPS5421580B2/ja
Publication of JPS51100376A publication Critical patent/JPS51100376A/ja
Publication of JPS5421580B2 publication Critical patent/JPS5421580B2/ja
Expired legal-status Critical Current

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
    • E21C37/04—Other methods or devices for dislodging with or without loading by devices with parts pressed mechanically against the wall of a borehole or a slit
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G23/00—Working measures on existing buildings
    • E04G23/08—Wrecking of buildings
    • 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)
  • Architecture (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Structural Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Civil Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Working Measures On Existing Buildindgs (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
  • Crushing And Grinding (AREA)
  • On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
JP801376A 1975-01-31 1976-01-29 Expired JPS5421580B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP801376A JPS5421580B2 (ja) 1975-01-31 1976-01-29

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH115275A CH581777A5 (ja) 1975-01-31 1975-01-31
JP801376A JPS5421580B2 (ja) 1975-01-31 1976-01-29

Publications (2)

Publication Number Publication Date
JPS51100376A JPS51100376A (ja) 1976-09-04
JPS5421580B2 true JPS5421580B2 (ja) 1979-07-31

Family

ID=4203686

Family Applications (1)

Application Number Title Priority Date Filing Date
JP801376A Expired JPS5421580B2 (ja) 1975-01-31 1976-01-29

Country Status (4)

Country Link
US (1) US4026602A (ja)
JP (1) JPS5421580B2 (ja)
CH (1) CH581777A5 (ja)
SE (1) SE406620B (ja)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4474410A (en) * 1981-03-31 1984-10-02 Kabushiki Kaisha Komatsu Seisakusho Power-driven, wedge-operated rock splitter
US4781418A (en) * 1987-06-01 1988-11-01 Silvano Pocci Fluid actuated apparatus for mechanically splitting rock-like material
US4947534A (en) * 1988-09-30 1990-08-14 Davenport William C Apparatus and method for salvaging concentric piping members
US5087100A (en) * 1990-10-17 1992-02-11 Bruce Howard D Method of fracturing rock or similar material and apparatus therefore
CA2146771A1 (en) * 1993-08-11 1995-02-16 Aleksandr Vasilevich Sharapov Hydraulic wedge device

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT944624B (it) * 1971-01-13 1973-04-20 Darda H Apparecchio azionato idraulicamen te per sminuzzare meccanicamente roccia
DE2229940C2 (de) * 1972-06-20 1974-03-21 Helmut 7712 Blumberg Darda Hydraulisch betätigtes Gerät zum mechanischen Zerlegen von Gestein

Also Published As

Publication number Publication date
JPS51100376A (ja) 1976-09-04
CH581777A5 (ja) 1976-11-15
SE406620B (sv) 1979-02-19
US4026602A (en) 1977-05-31
SE7600960L (sv) 1976-08-02

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