FR1050837A - Rallonge à double articulation - Google Patents

Rallonge à double articulation

Info

Publication number
FR1050837A
FR1050837A FR1050837DA FR1050837A FR 1050837 A FR1050837 A FR 1050837A FR 1050837D A FR1050837D A FR 1050837DA FR 1050837 A FR1050837 A FR 1050837A
Authority
FR
France
Prior art keywords
double articulated
articulated extension
extension
double
articulated
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
Other languages
English (en)
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gutehoffnungshutte Oberhausen AG
Original Assignee
Gutehoffnungshutte Oberhausen AG
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 Gutehoffnungshutte Oberhausen AG filed Critical Gutehoffnungshutte Oberhausen AG
Application granted granted Critical
Publication of FR1050837A publication Critical patent/FR1050837A/fr
Expired legal-status Critical Current

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
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D17/00—Caps for supporting mine roofs
    • E21D17/01—Caps for supporting mine roofs characterised by the shape of the cap, e.g. of specified cross-section
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T292/00—Closure fasteners
    • Y10T292/08—Bolts
    • Y10T292/096—Sliding
    • Y10T292/1014—Operating means
    • Y10T292/1022—Rigid

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)
FR1050837D 1951-05-15 1952-02-14 Rallonge à double articulation Expired FR1050837A (fr)

Applications Claiming Priority (2)

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

Publications (1)

Publication Number Publication Date
FR1050837A true FR1050837A (fr) 1954-01-11

Family

ID=25947327

Family Applications (4)

Application Number Title Priority Date Filing Date
FR1050837D Expired FR1050837A (fr) 1951-05-15 1952-02-14 Rallonge à double articulation
FR63233D Expired FR63233E (fr) 1951-05-15 1952-02-20 Rallonge à double articulation
FR1089716D Expired FR1089716A (fr) 1951-05-15 1953-12-18 Articulation de basculement sur rallonges de soutènement à l'avancement dans les mines
FR64232D Expired FR64232E (fr) 1951-05-15 1955-04-25 Rallonge à double articulation

Family Applications After (3)

Application Number Title Priority Date Filing Date
FR63233D Expired FR63233E (fr) 1951-05-15 1952-02-20 Rallonge à double articulation
FR1089716D Expired FR1089716A (fr) 1951-05-15 1953-12-18 Articulation de basculement sur rallonges de soutènement à l'avancement dans les mines
FR64232D Expired FR64232E (fr) 1951-05-15 1955-04-25 Rallonge à double articulation

Country Status (6)

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

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 (sv) * 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
DE1031245B (de) 1958-06-04
NL95333C (sv) 1960-09-15
NL95340C (sv) 1960-09-15
NL97173C (sv) 1961-03-15
DE955679C (de) 1957-01-10
BE517193A (sv) 1954-12-10
FR63233E (fr) 1955-09-12
FR1089716A (fr) 1955-03-21
GB738819A (en) 1955-10-19
FR64232E (fr) 1955-11-09
BE525093A (sv) 1956-04-27
BE511158A (sv) 1953-11-20
GB750229A (en) 1956-06-13
DE1022992B (de) 1958-01-23
US2780067A (en) 1957-02-05

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