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FR801821A - mine prop - Google Patents

mine prop

Info

Publication number
FR801821A
FR801821A FR801821DA FR801821A FR 801821 A FR801821 A FR 801821A FR 801821D A FR801821D A FR 801821DA FR 801821 A FR801821 A FR 801821A
Authority
FR
France
Prior art keywords
mine prop
prop
mine
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.)
Charbonnages De Beeringen SA D
Original Assignee
Charbonnages De Beeringen SA D
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 Charbonnages De Beeringen SA D filed Critical Charbonnages De Beeringen SA D
Application granted granted Critical
Publication of FR801821A publication Critical patent/FR801821A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
    • E21D11/14—Lining predominantly with metal
    • E21D11/34—Joints between vertical props and horizontal top bars

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
FR801821D 1935-03-11 1936-02-11 mine prop Expired FR801821A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE801821X 1935-03-11

Publications (1)

Publication Number Publication Date
FR801821A true FR801821A (en) 1936-08-19

Family

ID=3880930

Family Applications (1)

Application Number Title Priority Date Filing Date
FR801821D Expired FR801821A (en) 1935-03-11 1936-02-11 mine prop

Country Status (1)

Country Link
FR (1) FR801821A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1131627B (en) * 1960-11-15 1962-06-20 Hermann Schwarz Kommanditgesel Beaded head or foot plate for pit punches

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1131627B (en) * 1960-11-15 1962-06-20 Hermann Schwarz Kommanditgesel Beaded head or foot plate for pit punches

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