CH565317A5 - - Google Patents

Info

Publication number
CH565317A5
CH565317A5 CH168874A CH168874A CH565317A5 CH 565317 A5 CH565317 A5 CH 565317A5 CH 168874 A CH168874 A CH 168874A CH 168874 A CH168874 A CH 168874A CH 565317 A5 CH565317 A5 CH 565317A5
Authority
CH
Switzerland
Application number
CH168874A
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 CH565317A5 publication Critical patent/CH565317A5/xx

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)
  • Actuator (AREA)
  • Crushing And Grinding (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
  • Earth Drilling (AREA)
  • Working Measures On Existing Buildindgs (AREA)
CH168874A 1973-03-09 1974-02-07 CH565317A5 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2311723A DE2311723C2 (de) 1973-03-09 1973-03-09 Hydraulisch betätigbares Gerät zum mechanischen Zerlegen von Gestein

Publications (1)

Publication Number Publication Date
CH565317A5 true CH565317A5 (de) 1975-08-15

Family

ID=5874273

Family Applications (1)

Application Number Title Priority Date Filing Date
CH168874A CH565317A5 (de) 1973-03-09 1974-02-07

Country Status (17)

Country Link
US (1) US3957309A (de)
JP (1) JPS5342002B2 (de)
AT (1) AT330048B (de)
BE (1) BE811290A (de)
BR (1) BR7401773D0 (de)
CA (1) CA983466A (de)
CH (1) CH565317A5 (de)
DE (1) DE2311723C2 (de)
ES (1) ES423612A1 (de)
FR (1) FR2220631B1 (de)
GB (1) GB1411935A (de)
IT (1) IT1008902B (de)
NL (1) NL155071B (de)
NO (1) NO139902C (de)
SE (2) SE407030B (de)
SU (1) SU709005A3 (de)
ZA (1) ZA741090B (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0100978A1 (de) * 1982-07-30 1984-02-22 Friedhelm Porsfeld Hydraulisch betätigbares Gerät zum mechanischen Zerlegen von Gestein

Families Citing this family (7)

* 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
US4168862A (en) * 1978-01-05 1979-09-25 Langfield Edward R Wear or thrust plates for hydraulic rock splitting apparatus
GB2172227B (en) * 1985-03-14 1988-08-10 Sermec Engineering Ltd Hydraulic wedge unit
DE19739743C2 (de) * 1997-09-10 1999-07-08 Wacker Werke Kg Arbeitsgerät mit reduzierten Obermassenschwingungen
CN109780954A (zh) * 2019-03-07 2019-05-21 厦门爆破工程公司 一种非开挖施工用地下岩爆破装置
CN112673797B (zh) * 2020-12-21 2022-04-05 浙江工业大学之江学院 一种新能源除草装置及其使用方法
CN113275090B (zh) * 2021-05-28 2022-06-21 山东易美包装材料有限公司 一种废弃塑料破碎设备

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2595565A (en) * 1950-03-14 1952-05-06 James C Buttrick Cutting unit for mining machines
SE305842B (de) * 1965-08-11 1968-11-11 H Darda
DE1652483B1 (de) * 1966-12-08 1971-05-27 Helmut Darda Hydraulisch betaetigtes Geraet zum mechanischen Zerlegen von Gestein
FR2003413A1 (de) * 1968-03-07 1969-11-07 Demag Ag
US3558191A (en) * 1969-01-23 1971-01-26 Fletcher Co H E Means for applying wedging forces to minerals and other bodies
US3572840A (en) * 1969-03-21 1971-03-30 Fletcher Co H E Means for applying wedging force to mineral and other bodies

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0100978A1 (de) * 1982-07-30 1984-02-22 Friedhelm Porsfeld Hydraulisch betätigbares Gerät zum mechanischen Zerlegen von Gestein

Also Published As

Publication number Publication date
ATA114474A (de) 1975-08-15
GB1411935A (en) 1975-10-29
FR2220631A1 (de) 1974-10-04
FR2220631B1 (de) 1978-06-30
AT330048B (de) 1976-06-10
SU709005A3 (ru) 1980-01-05
JPS5342002B2 (de) 1978-11-08
DE2311723B1 (de) 1974-07-18
SE7900824L (sv) 1979-01-31
NO139902B (no) 1979-02-19
SE438112B (sv) 1985-04-01
JPS49120256A (de) 1974-11-16
SE407030B (sv) 1979-03-12
US3957309A (en) 1976-05-18
CA983466A (en) 1976-02-10
AU6626774A (en) 1975-09-11
NL7403116A (de) 1974-09-11
ES423612A1 (es) 1976-05-01
BE811290A (fr) 1974-06-17
ZA741090B (en) 1975-01-29
NO139902C (no) 1979-05-30
NO740730L (no) 1974-09-10
NL155071B (nl) 1977-11-15
BR7401773D0 (pt) 1974-11-19
DE2311723C2 (de) 1975-03-06
IT1008902B (it) 1976-11-30

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Legal Events

Date Code Title Description
PL Patent ceased