FR1031738A - Support material for mining - Google Patents

Support material for mining

Info

Publication number
FR1031738A
FR1031738A FR1031738DA FR1031738A FR 1031738 A FR1031738 A FR 1031738A FR 1031738D A FR1031738D A FR 1031738DA FR 1031738 A FR1031738 A FR 1031738A
Authority
FR
France
Prior art keywords
mining
support material
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.)
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.)
OUTIMINES
Original Assignee
OUTIMINES
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 OUTIMINES filed Critical OUTIMINES
Application granted granted Critical
Publication of FR1031738A publication Critical patent/FR1031738A/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)
FR1031738D 1950-12-20 1950-12-20 Support material for mining Expired FR1031738A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1031738T 1950-12-20

Publications (1)

Publication Number Publication Date
FR1031738A true FR1031738A (en) 1953-06-25

Family

ID=9583328

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1031738D Expired FR1031738A (en) 1950-12-20 1950-12-20 Support material for mining

Country Status (1)

Country Link
FR (1) FR1031738A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1008685B (en) * 1954-01-07 1957-05-23 Gutehoffnungshuette Sterkrade Expansion process for longwall mining in mining and expansion cap for carrying out the process
DE1018016B (en) * 1954-11-11 1957-10-24 Gutehoffnungshuette Sterkrade Cap for longwall mining

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1008685B (en) * 1954-01-07 1957-05-23 Gutehoffnungshuette Sterkrade Expansion process for longwall mining in mining and expansion cap for carrying out the process
DE1018016B (en) * 1954-11-11 1957-10-24 Gutehoffnungshuette Sterkrade Cap for longwall mining

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