BE511158A - - Google Patents

Info

Publication number
BE511158A
BE511158A BE511158DA BE511158A BE 511158 A BE511158 A BE 511158A BE 511158D A BE511158D A BE 511158DA BE 511158 A BE511158 A BE 511158A
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.)
Filing date
Publication date
Application filed filed Critical
Publication of BE511158A publication Critical patent/BE511158A/xx

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D17/00Caps for supporting mine roofs
    • E21D17/02Cantilever extension or similar protecting devices
    • E21D17/08Cap joints for obtaining a coal-face free of pit-props
    • E21D17/086Cap joints for obtaining a coal-face free of pit-props or articulated type
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D17/00Caps for supporting mine roofs
    • E21D17/01Caps for supporting mine roofs characterised by the shape of the cap, e.g. of specified cross-section
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T292/00Closure fasteners
    • Y10T292/08Bolts
    • Y10T292/096Sliding
    • Y10T292/1014Operating means
    • Y10T292/1022Rigid

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)
  • Emergency Lowering Means (AREA)
  • Pivots And Pivotal Connections (AREA)
  • Current-Collector Devices For Electrically Propelled Vehicles (AREA)
  • Closures For Containers (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)
BE511158D 1951-05-15 1952-05-05 BE511158A (ru)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEG8038A DE1022992B (de) 1951-05-15 1951-05-15 Grubenausbaukappe mit Gelenkverbindung
DE738819X 1951-05-15

Publications (1)

Publication Number Publication Date
BE511158A true BE511158A (ru) 1953-11-20

Family

ID=25947327

Family Applications (3)

Application Number Title Priority Date Filing Date
BE511158D BE511158A (ru) 1951-05-15 1952-05-05
BE517193D BE517193A (ru) 1951-05-15 1953-01-27
BE525093D BE525093A (ru) 1951-05-15 1953-12-16

Family Applications After (2)

Application Number Title Priority Date Filing Date
BE517193D BE517193A (ru) 1951-05-15 1953-01-27
BE525093D BE525093A (ru) 1951-05-15 1953-12-16

Country Status (6)

Country Link
US (1) US2780067A (ru)
BE (3) BE511158A (ru)
DE (3) DE1022992B (ru)
FR (4) FR1050837A (ru)
GB (2) GB738819A (ru)
NL (3) NL95333C (ru)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1122915B (de) * 1952-06-16 1962-02-01 Gerlach Karl Schwenkkappe fuer den Grubenausbau
US3097829A (en) * 1959-01-16 1963-07-16 Gullick Ltd Roof support in mines
DE1149679B (de) * 1960-04-01 1963-06-06 Karl M Groetschel Dipl Ing Vorrichtung zum maschinellen Verriegeln und Entriegeln von frei tragend vorzupfaendenden Kappen
US3163011A (en) * 1960-11-14 1964-12-29 Karl M Groetschel Connection for lagging irons
US4218094A (en) * 1978-02-06 1980-08-19 The Knapheide Mfg. Co. Safety brace
DE3629214A1 (de) * 1986-08-28 1988-03-10 Armo Bauelemente Ausbauprofil fuer den gruben- und tunnelausbau
CN110424991B (zh) * 2019-07-30 2021-07-23 中国矿业大学 一种可收缩式弧形顶梁

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB416999A (en) * 1933-05-18 1934-09-26 Raine & Company Ltd An improved collapsible pit prop
BE485602A (ru) * 1948-07-30
FR993340A (fr) * 1951-04-23 1951-11-12 Bochumer Eisen Heintzmann Dispositif de soutènement pour exploitations minières par taille

Also Published As

Publication number Publication date
FR64232E (fr) 1955-11-09
NL95333C (ru) 1960-09-15
NL95340C (ru) 1960-09-15
DE955679C (de) 1957-01-10
FR1089716A (fr) 1955-03-21
NL97173C (ru) 1961-03-15
BE525093A (ru) 1956-04-27
FR1050837A (fr) 1954-01-11
US2780067A (en) 1957-02-05
DE1031245B (de) 1958-06-04
BE517193A (ru) 1954-12-10
DE1022992B (de) 1958-01-23
GB738819A (en) 1955-10-19
GB750229A (en) 1956-06-13
FR63233E (fr) 1955-09-12

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