BE579173A - - Google Patents

Info

Publication number
BE579173A
BE579173A BE579173DA BE579173A BE 579173 A BE579173 A BE 579173A BE 579173D A BE579173D A BE 579173DA BE 579173 A BE579173 A BE 579173A
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 BE579173A publication Critical patent/BE579173A/xx
Priority claimed from DEV14483A external-priority patent/DE1198310B/de

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D17/00—Caps for supporting mine roofs
    • E21D17/02—Cantilever extension or similar protecting devices
    • E21D17/08—Cap joints for obtaining a coal-face free of pit-props
    • E21D17/086—Cap joints for obtaining a coal-face free of pit-props or articulated type

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)
  • Conveying And Assembling Of Building Elements In Situ (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
BE579173D 1958-05-30 BE579173A (enrdf_load_stackoverflow)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEV14483A DE1198310B (de) 1958-05-30 1958-05-30 Ausbaukappe fuer den Grubenbetrieb
DEV14768A DE1224252B (de) 1958-05-30 1958-07-25 Ausbaukappe

Publications (1)

Publication Number Publication Date
BE579173A true BE579173A (enrdf_load_stackoverflow)

Family

ID=26001295

Family Applications (1)

Application Number Title Priority Date Filing Date
BE579173D BE579173A (enrdf_load_stackoverflow) 1958-05-30

Country Status (5)

Country Link
US (1) US3091088A (enrdf_load_stackoverflow)
BE (1) BE579173A (enrdf_load_stackoverflow)
DE (1) DE1224252B (enrdf_load_stackoverflow)
FR (1) FR1230085A (enrdf_load_stackoverflow)
GB (1) GB845976A (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1140890B (de) * 1960-06-11 1962-12-13 Karl Maria Groetschel Dipl Ing Vorpfaendkappe, insbesondere Vorpfaendwendekappe
US4676970A (en) * 1985-05-14 1987-06-30 Elkem Metals Company Method for producing metal sulfide and the product produced therefrom

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL80173C (enrdf_load_stackoverflow) *
GB722202A (en) * 1951-11-13 1955-01-19 Josef Brand Improvements in lagging members for mine galleries and the like
GB774109A (en) * 1953-04-21 1957-05-08 Eisenwerk Wanheim Gmbh Improvements in or relating to mine roof support assemblies
AT199149B (de) * 1954-01-29 1958-08-11 Karl Maria Dipl Ing Groetschel Verbindung für Schaleisen für den Grubenausbau

Also Published As

Publication number Publication date
FR1230085A (fr) 1960-09-13
GB845976A (en) 1960-08-24
DE1224252B (de) 1966-09-08
US3091088A (en) 1963-05-28

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