CH578114A5 - - Google Patents

Info

Publication number
CH578114A5
CH578114A5 CH745174A CH745174A CH578114A5 CH 578114 A5 CH578114 A5 CH 578114A5 CH 745174 A CH745174 A CH 745174A CH 745174 A CH745174 A CH 745174A CH 578114 A5 CH578114 A5 CH 578114A5
Authority
CH
Switzerland
Application number
CH745174A
Original Assignee
Darda Helmut
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 Darda Helmut filed Critical Darda Helmut
Publication of CH578114A5 publication Critical patent/CH578114A5/xx

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21CMINING OR QUARRYING
    • E21C37/00Other methods or devices for dislodging with or without loading
    • E21C37/04Other methods or devices for dislodging with or without loading by devices with parts pressed mechanically against the wall of a borehole or a slit

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)
  • Earth Drilling (AREA)
CH745174A 1973-07-16 1974-05-30 CH578114A5 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2336063A DE2336063C2 (en) 1973-07-16 1973-07-16 Hydraulically operated device for the mechanical dismantling of rock

Publications (1)

Publication Number Publication Date
CH578114A5 true CH578114A5 (en) 1976-07-30

Family

ID=5887039

Family Applications (1)

Application Number Title Priority Date Filing Date
CH745174A CH578114A5 (en) 1973-07-16 1974-05-30

Country Status (10)

Country Link
US (1) US3894772A (en)
JP (1) JPS5342282B2 (en)
CA (1) CA995654A (en)
CH (1) CH578114A5 (en)
DE (1) DE2336063C2 (en)
FR (1) FR2238034B1 (en)
GB (1) GB1433691A (en)
IT (1) IT1013127B (en)
SE (1) SE407176B (en)
ZA (1) ZA743516B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4114951A (en) * 1977-05-09 1978-09-19 Edward R. Langfield Hydraulically actuated tool for mechanically splitting rock-like material
US4252375A (en) * 1979-09-11 1981-02-24 Edward R. Langfield Wear or thrust plates for hydraulic rock splitting apparatus
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
US4790602A (en) * 1987-09-21 1988-12-13 Silvano Pocci Fluid actuated apparatus for mechanically splitting rock-like material
KR970000961Y1 (en) * 1994-09-07 1997-02-14 주식회사 호상테크노베이션 Hydraulic rock cutter
ITVB20050001A1 (en) * 2005-02-24 2005-05-26 Tania Cottini CUNEO PNEUMATIC SPINDLE K25
CN104110260A (en) * 2014-07-24 2014-10-22 黑旋风锯业股份有限公司 Mine quarry stone excavator

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3558191A (en) * 1969-01-23 1971-01-26 Fletcher Co H E Means for applying wedging forces to minerals and other bodies
IT944624B (en) * 1971-01-13 1973-04-20 Darda H HYDRAULICALLY DRIVEN APPLIANCE FOR MECHANICALLY SMINING ROCCIA

Also Published As

Publication number Publication date
GB1433691A (en) 1976-04-28
ZA743516B (en) 1975-05-28
DE2336063C2 (en) 1975-06-26
SE7407665L (en) 1975-01-17
US3894772A (en) 1975-07-15
FR2238034B1 (en) 1982-10-01
JPS5342282B2 (en) 1978-11-10
FR2238034A1 (en) 1975-02-14
JPS5042459A (en) 1975-04-17
DE2336063B1 (en) 1974-11-14
SE407176B (en) 1979-03-19
IT1013127B (en) 1977-03-30
CA995654A (en) 1976-08-24

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Legal Events

Date Code Title Description
PL Patent ceased