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)
  • Current-Collector Devices For Electrically Propelled Vehicles (AREA)
  • Pivots And Pivotal Connections (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)
  • Closures For Containers (AREA)
BE511158D 1951-05-15 1952-05-05 BE511158A (US08088918-20120103-C00476.png)

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 (US08088918-20120103-C00476.png) 1953-11-20

Family

ID=25947327

Family Applications (3)

Application Number Title Priority Date Filing Date
BE511158D BE511158A (US08088918-20120103-C00476.png) 1951-05-15 1952-05-05
BE517193D BE517193A (US08088918-20120103-C00476.png) 1951-05-15 1953-01-27
BE525093D BE525093A (US08088918-20120103-C00476.png) 1951-05-15 1953-12-16

Family Applications After (2)

Application Number Title Priority Date Filing Date
BE517193D BE517193A (US08088918-20120103-C00476.png) 1951-05-15 1953-01-27
BE525093D BE525093A (US08088918-20120103-C00476.png) 1951-05-15 1953-12-16

Country Status (6)

Country Link
US (1) US2780067A (US08088918-20120103-C00476.png)
BE (3) BE511158A (US08088918-20120103-C00476.png)
DE (3) DE1022992B (US08088918-20120103-C00476.png)
FR (4) FR1050837A (US08088918-20120103-C00476.png)
GB (2) GB738819A (US08088918-20120103-C00476.png)
NL (3) NL95333C (US08088918-20120103-C00476.png)

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
NL70049C (US08088918-20120103-C00476.png) * 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
GB750229A (en) 1956-06-13
FR63233E (fr) 1955-09-12
US2780067A (en) 1957-02-05
DE1031245B (de) 1958-06-04
FR1050837A (fr) 1954-01-11
NL95340C (US08088918-20120103-C00476.png) 1960-09-15
NL95333C (US08088918-20120103-C00476.png) 1960-09-15
BE517193A (US08088918-20120103-C00476.png) 1954-12-10
FR64232E (fr) 1955-11-09
NL97173C (US08088918-20120103-C00476.png) 1961-03-15
FR1089716A (fr) 1955-03-21
GB738819A (en) 1955-10-19
DE1022992B (de) 1958-01-23
DE955679C (de) 1957-01-10
BE525093A (US08088918-20120103-C00476.png) 1956-04-27

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