FR67282E - Soutènement de taille - Google Patents

Soutènement de taille

Info

Publication number
FR67282E
FR67282E FR67282DA FR67282E FR 67282 E FR67282 E FR 67282E FR 67282D A FR67282D A FR 67282DA FR 67282 E FR67282 E FR 67282E
Authority
FR
France
Prior art keywords
height support
height
support
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.)
Active
Application number
Other languages
English (en)
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.)
Directie van de Staatsmijnen in Limburg
Original Assignee
Directie van de Staatsmijnen in Limburg
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 of FR67282E publication Critical patent/FR67282E/fr
Application filed by Directie van de Staatsmijnen in Limburg filed Critical Directie van de Staatsmijnen in Limburg
Active 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

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)
  • Bridges Or Land Bridges (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)
FR67282D 1951-03-07 1954-10-26 Soutènement de taille Active FR67282E (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL709240X 1951-03-07
NL760654X 1953-10-29

Publications (1)

Publication Number Publication Date
FR67282E true FR67282E (fr)

Family

ID=31980708

Family Applications (3)

Application Number Title Priority Date Filing Date
FR1051786D Expired FR1051786A (fr) 1951-03-07 1952-02-23 Sabot d'assemblage
FR1051869D Expired FR1051869A (fr) 1951-03-07 1952-02-28 Soutènement de taille
FR67282D Active FR67282E (fr) 1951-03-07 1954-10-26 Soutènement de taille

Family Applications Before (2)

Application Number Title Priority Date Filing Date
FR1051786D Expired FR1051786A (fr) 1951-03-07 1952-02-23 Sabot d'assemblage
FR1051869D Expired FR1051869A (fr) 1951-03-07 1952-02-28 Soutènement de taille

Country Status (4)

Country Link
BE (3) BE532795A (fr)
FR (3) FR1051786A (fr)
GB (3) GB709240A (fr)
NL (4) NL159680B (fr)

Also Published As

Publication number Publication date
BE509661A (fr)
GB760654A (en) 1956-11-07
GB709240A (en) 1954-05-19
NL159679A (fr)
BE509662A (fr)
FR1051869A (fr) 1954-01-19
NL182433B (nl)
GB709241A (en) 1954-05-19
BE532795A (fr)
FR1051786A (fr) 1954-01-19
NL159680B (nl)
NL89595C (fr)

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