FR2238034B1 - - Google Patents

Info

Publication number
FR2238034B1
FR2238034B1 FR7422436A FR7422436A FR2238034B1 FR 2238034 B1 FR2238034 B1 FR 2238034B1 FR 7422436 A FR7422436 A FR 7422436A FR 7422436 A FR7422436 A FR 7422436A FR 2238034 B1 FR2238034 B1 FR 2238034B1
Authority
FR
France
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
FR7422436A
Other versions
FR2238034A1 (fr
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
Publication of FR2238034A1 publication Critical patent/FR2238034A1/fr
Application granted granted Critical
Publication of FR2238034B1 publication Critical patent/FR2238034B1/fr
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

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)
FR7422436A 1973-07-16 1974-06-27 Expired FR2238034B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2336063A DE2336063C2 (de) 1973-07-16 1973-07-16 Hydraulisch betätigtes Gerät zum mechanischen Zerlegen von Gestein

Publications (2)

Publication Number Publication Date
FR2238034A1 FR2238034A1 (fr) 1975-02-14
FR2238034B1 true FR2238034B1 (fr) 1982-10-01

Family

ID=5887039

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7422436A Expired FR2238034B1 (fr) 1973-07-16 1974-06-27

Country Status (10)

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

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 (ko) * 1994-09-07 1997-02-14 주식회사 호상테크노베이션 유압식 암반 절개기
ITVB20050001A1 (it) * 2005-02-24 2005-05-26 Tania Cottini Cuneo spaccaroccia pneumatico k25
CN104110260A (zh) * 2014-07-24 2014-10-22 黑旋风锯业股份有限公司 一种矿山荒料开采机

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 (it) * 1971-01-13 1973-04-20 Darda H Apparecchio azionato idraulicamen te per sminuzzare meccanicamente roccia

Also Published As

Publication number Publication date
SE7407665L (sv) 1975-01-17
IT1013127B (it) 1977-03-30
JPS5042459A (fr) 1975-04-17
JPS5342282B2 (fr) 1978-11-10
FR2238034A1 (fr) 1975-02-14
DE2336063C2 (de) 1975-06-26
GB1433691A (en) 1976-04-28
CH578114A5 (fr) 1976-07-30
DE2336063B1 (de) 1974-11-14
CA995654A (en) 1976-08-24
SE407176B (sv) 1979-03-19
US3894772A (en) 1975-07-15
ZA743516B (en) 1975-05-28

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Legal Events

Date Code Title Description
ST Notification of lapse