CH568140A5 - - Google Patents

Info

Publication number
CH568140A5
CH568140A5 CH792873A CH792873A CH568140A5 CH 568140 A5 CH568140 A5 CH 568140A5 CH 792873 A CH792873 A CH 792873A CH 792873 A CH792873 A CH 792873A CH 568140 A5 CH568140 A5 CH 568140A5
Authority
CH
Switzerland
Application number
CH792873A
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 CH568140A5 publication Critical patent/CH568140A5/xx

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH 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
CH792873A 1972-06-20 1973-06-01 CH568140A5 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2229940A DE2229940C2 (en) 1972-06-20 1972-06-20 Hydraulically operated device for the mechanical dismantling of rock

Publications (1)

Publication Number Publication Date
CH568140A5 true CH568140A5 (en) 1975-10-31

Family

ID=5848170

Family Applications (1)

Application Number Title Priority Date Filing Date
CH792873A CH568140A5 (en) 1972-06-20 1973-06-01

Country Status (11)

Country Link
US (1) US3883178A (en)
JP (1) JPS5343121B2 (en)
CA (1) CA985313A (en)
CH (1) CH568140A5 (en)
DE (1) DE2229940C2 (en)
ES (1) ES416051A1 (en)
FR (1) FR2189627B1 (en)
GB (1) GB1411504A (en)
IT (1) IT985681B (en)
SE (1) SE401706B (en)
ZA (1) ZA733993B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3211580A1 (en) * 1981-03-31 1982-10-14 Kabushiki Kaisha Komatsu Seisakusho, Tokyo DEVICE FOR MECHANICALLY BLASTING STONE

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH581777A5 (en) * 1975-01-31 1976-11-15 Bieri Ag Liebefeld H
US4114951A (en) * 1977-05-09 1978-09-19 Edward R. Langfield Hydraulically actuated tool for mechanically splitting rock-like material
JPS55168436U (en) * 1979-05-21 1980-12-03
DE3228433C2 (en) * 1982-07-30 1985-08-29 Friedhelm 8390 Passau Porsfeld Stone splitting device for the mechanical dismantling of stone
JPS60154494U (en) * 1984-03-23 1985-10-15 三菱重工業株式会社 Rock crushing equipment
US4571002A (en) * 1984-05-10 1986-02-18 Kabushiki Kaisha Komatsu Seisakusho Hydraulic rock splitter
GB2172227B (en) * 1985-03-14 1988-08-10 Sermec Engineering Ltd Hydraulic wedge unit
ES2162704T3 (en) * 1997-04-18 2002-01-01 Future Alignments Ltd SEPARATION DEVICE.
GB2328671B (en) * 1997-04-18 1999-06-09 Future Alignments Limited A separating device
FI121758B (en) * 2008-11-21 2011-03-31 Kirnuvuori Oy Splitting wedge
CN102366974B (en) * 2011-10-08 2014-07-23 张家港市玉龙科技板材有限公司 Cutting device applied on glass magnesium board production line
WO2015016745A2 (en) * 2013-08-02 2015-02-05 Shustov Aleksey Nikolaevich Apparatus for destroying rocks and connecting building structures
CN106762961B (en) * 2017-03-01 2018-05-22 安徽尚德科技有限公司 A kind of splitting pipe bending cylinder
CN110318754A (en) * 2019-07-19 2019-10-11 湖南烈岩科技有限公司 With the splitting stick that structure is connected in series
CN111927451B (en) * 2020-08-11 2021-10-22 嘉兴市玖玛兰科技有限公司 Coal mining splitting machine
CN113246311B (en) * 2021-04-27 2022-12-13 苏州赛奥科传媒有限公司 A splitter for cubic stone concrete breaks away
CN114542064B (en) * 2022-03-04 2023-03-28 徐州奔蓝机械科技有限公司 Splitting machine for mine excavation
CN116480746B (en) * 2023-06-25 2023-08-18 常州市新世力液压机械设备有限公司 Electric auxiliary splitting cylinder

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE305842B (en) * 1965-08-11 1968-11-11 H Darda
US3743357A (en) * 1971-11-26 1973-07-03 Fletcher H Co Reciprocating wedge structure including lubricant supply means
JPS4930881U (en) * 1972-06-19 1974-03-16

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3211580A1 (en) * 1981-03-31 1982-10-14 Kabushiki Kaisha Komatsu Seisakusho, Tokyo DEVICE FOR MECHANICALLY BLASTING STONE

Also Published As

Publication number Publication date
JPS4963602A (en) 1974-06-20
JPS5343121B2 (en) 1978-11-17
GB1411504A (en) 1975-10-29
SE401706B (en) 1978-05-22
CA985313A (en) 1976-03-09
ZA733993B (en) 1974-09-25
DE2229940B1 (en) 1973-08-23
ES416051A1 (en) 1976-03-01
FR2189627B1 (en) 1976-06-18
US3883178A (en) 1975-05-13
DE2229940C2 (en) 1974-03-21
IT985681B (en) 1974-12-10
FR2189627A1 (en) 1974-01-25

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Legal Events

Date Code Title Description
PL Patent ceased