FR1074334A - Bèle, especially for low height sizes - Google Patents

Bèle, especially for low height sizes

Info

Publication number
FR1074334A
FR1074334A FR1074334DA FR1074334A FR 1074334 A FR1074334 A FR 1074334A FR 1074334D A FR1074334D A FR 1074334DA FR 1074334 A FR1074334 A FR 1074334A
Authority
FR
France
Prior art keywords
bèle
low height
height sizes
sizes
low
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.)
USINES ET ACIERIES LEONARD GIO
Original Assignee
USINES ET ACIERIES LEONARD GIO
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 USINES ET ACIERIES LEONARD GIO filed Critical USINES ET ACIERIES LEONARD GIO
Application granted granted Critical
Publication of FR1074334A publication Critical patent/FR1074334A/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)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
  • Current-Collector Devices For Electrically Propelled Vehicles (AREA)
FR1074334D 1952-05-31 1953-04-04 Bèle, especially for low height sizes Expired FR1074334A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE726000X 1952-05-31

Publications (1)

Publication Number Publication Date
FR1074334A true FR1074334A (en) 1954-10-05

Family

ID=3879009

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1074334D Expired FR1074334A (en) 1952-05-31 1953-04-04 Bèle, especially for low height sizes

Country Status (5)

Country Link
BE (1) BE511825A (en)
DE (1) DE1018824B (en)
FR (1) FR1074334A (en)
GB (1) GB726000A (en)
LU (1) LU32099A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE499766A (en) * 1948-07-08
BE535250A (en) * 1954-01-29
US3043108A (en) * 1958-07-16 1962-07-10 Vanwersch Aloys Mine roof bar arrangement

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR993340A (en) * 1951-04-23 1951-11-12 Bochumer Eisen Heintzmann Support system for mining operations by size
BE501546A (en) * 1950-03-04
AT174363B (en) * 1951-04-23 1953-03-25 Bochumer Eisen Heintzmann Cap connection in longwall construction in steel

Also Published As

Publication number Publication date
BE511825A (en)
GB726000A (en) 1955-03-16
DE1018824B (en) 1957-11-07
LU32099A1 (en)

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