FR1051786A - Assembly shoe - Google Patents

Assembly shoe

Info

Publication number
FR1051786A
FR1051786A FR1051786DA FR1051786A FR 1051786 A FR1051786 A FR 1051786A FR 1051786D A FR1051786D A FR 1051786DA FR 1051786 A FR1051786 A FR 1051786A
Authority
FR
France
Prior art keywords
assembly shoe
shoe
assembly
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
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.)
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 date
Application filed by Directie van de Staatsmijnen in Limburg filed Critical Directie van de Staatsmijnen in Limburg
Application granted granted Critical
Publication of FR1051786A publication Critical patent/FR1051786A/en
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

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)
FR1051786D 1951-03-07 1952-02-23 Assembly shoe Expired FR1051786A (en)

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
FR1051786A true FR1051786A (en) 1954-01-19

Family

ID=31980708

Family Applications (3)

Application Number Title Priority Date Filing Date
FR1051786D Expired FR1051786A (en) 1951-03-07 1952-02-23 Assembly shoe
FR1051869D Expired FR1051869A (en) 1951-03-07 1952-02-28 Height support
FR67282D Active FR67282E (en) 1951-03-07 1954-10-26 Height support

Family Applications After (2)

Application Number Title Priority Date Filing Date
FR1051869D Expired FR1051869A (en) 1951-03-07 1952-02-28 Height support
FR67282D Active FR67282E (en) 1951-03-07 1954-10-26 Height support

Country Status (4)

Country Link
BE (3) BE532795A (en)
FR (3) FR1051786A (en)
GB (3) GB709240A (en)
NL (4) NL182433B (en)

Also Published As

Publication number Publication date
BE532795A (en)
BE509662A (en)
GB760654A (en) 1956-11-07
NL182433B (en)
GB709240A (en) 1954-05-19
GB709241A (en) 1954-05-19
NL159679A (en)
NL89595C (en)
FR1051869A (en) 1954-01-19
BE509661A (en)
NL159680B (en)
FR67282E (en)

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