BE559146A - - Google Patents

Info

Publication number
BE559146A
BE559146A BE559146DA BE559146A BE 559146 A BE559146 A BE 559146A BE 559146D A BE559146D A BE 559146DA BE 559146 A BE559146 A BE 559146A
Authority
BE
Belgium
Application number
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.)
Publication of BE559146A publication Critical patent/BE559146A/xx

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
    • E21D15/60—Devices for withdrawing props or chocks
    • E21D15/603—Devices for withdrawing props or chocks by means of hydraulic devices
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
    • E21D15/50—Component parts or details of props
    • E21D15/51—Component parts or details of props specially adapted to hydraulic, pneumatic, or hydraulic-pneumatic props, e.g. arrangements of relief valves
    • E21D15/512—Arrangement of valves

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Prostheses (AREA)
  • Accommodation For Nursing Or Treatment Tables (AREA)
  • Rod-Shaped Construction Members (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Safety Valves (AREA)
  • Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
  • Fluid-Pressure Circuits (AREA)
  • On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
BE559146D 1956-07-05 BE559146A (enrdf_load_html_response)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEG20647A DE1017118B (de) 1956-07-05 1956-07-05 Raubventil fuer hydraulische Grubenstempel
DEG20019A DE1010932B (de) 1956-07-05 1956-07-05 Hydraulischer Grubenstempel

Publications (1)

Publication Number Publication Date
BE559146A true BE559146A (enrdf_load_html_response)

Family

ID=25978072

Family Applications (2)

Application Number Title Priority Date Filing Date
BE558743D BE558743A (enrdf_load_html_response) 1956-07-05
BE559146D BE559146A (enrdf_load_html_response) 1956-07-05

Family Applications Before (1)

Application Number Title Priority Date Filing Date
BE558743D BE558743A (enrdf_load_html_response) 1956-07-05

Country Status (4)

Country Link
BE (2) BE559146A (enrdf_load_html_response)
DE (2) DE1010932B (enrdf_load_html_response)
FR (1) FR1178174A (enrdf_load_html_response)
GB (2) GB864032A (enrdf_load_html_response)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB894292A (en) * 1957-07-30 1962-04-18 Mastabar Mining Equip Co Ltd Improvements in or relating to hydraulic props, particularly pit props
GB877624A (en) * 1958-07-31 1961-09-20 Dowty Mining Equipment Ltd Improvements in release valves for hydraulic props
DE1193458B (de) * 1958-08-11 1965-05-26 Dobson Ltd W E & F Wandernder Grubenausbau
DE1168849B (de) * 1958-10-30 1964-04-30 Wilhelm Steinkopf Hydraulischer Grubenstempel
GB962542A (en) * 1959-08-21 1964-07-01 Acrow Eng Ltd Improvements in and relating to hydraulic props
DE1149318B (de) * 1960-08-05 1963-05-30 H Joe Rheinbay Dipl Ing Hydraulisch betaetigter Grubenstempel
SE431159B (sv) * 1980-05-05 1984-01-23 Hans Arne Valentin Johansson Lyftaggregat vid patientlyftanordningar
US4776561A (en) * 1986-12-05 1988-10-11 The Stanley Works Trigger control for air tool handle
DE102009009182A1 (de) 2009-02-16 2010-08-19 Süd-Chemie AG Zinkoxid-Kristallpartikel und Verfahren zu der Herstellung
US9267375B2 (en) 2010-02-19 2016-02-23 Council Of Scientific & Industrial Research Device for roof support of underground mine/tunnel

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE922525C (de) * 1952-04-26 1955-01-17 Eisenwerk Wanheim G M B H Hydraulischer Grubenstempel

Also Published As

Publication number Publication date
DE1017118B (de) 1957-10-10
GB876396A (en) 1961-08-30
DE1010932B (de) 1957-06-27
GB864032A (en) 1961-03-29
FR1178174A (fr) 1959-05-05
BE558743A (enrdf_load_html_response)

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