FR654088A - Improvements to the support of mine galleries - Google Patents

Improvements to the support of mine galleries

Info

Publication number
FR654088A
FR654088A FR654088DA FR654088A FR 654088 A FR654088 A FR 654088A FR 654088D A FR654088D A FR 654088DA FR 654088 A FR654088 A FR 654088A
Authority
FR
France
Prior art keywords
support
mine galleries
galleries
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)
Inventor
Robert W. Cuthbertson
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR654088A publication Critical patent/FR654088A/en
Expired legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D17/00Caps for supporting mine roofs

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)
  • Rod-Shaped Construction Members (AREA)
  • Catching Or Destruction (AREA)
FR654088D 1927-05-12 1928-05-11 Improvements to the support of mine galleries Expired FR654088A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB12712/27A GB293520A (en) 1927-05-12 1927-05-12 Improvements in devices for shoring or supporting the roofs of mines

Publications (1)

Publication Number Publication Date
FR654088A true FR654088A (en) 1929-04-02

Family

ID=40019344

Family Applications (1)

Application Number Title Priority Date Filing Date
FR654088D Expired FR654088A (en) 1927-05-12 1928-05-11 Improvements to the support of mine galleries

Country Status (5)

Country Link
US (1) US1851496A (en)
BE (1) BE351241A (en)
DE (1) DE504677C (en)
FR (1) FR654088A (en)
GB (1) GB293520A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE760324C (en) * 1941-07-19 1953-01-26 Franz Berghoff Method of excavating struts underground using ropes carried by rammers
DE1085836B (en) * 1955-04-14 1960-07-28 Aug Kloenne Fa Cap for expansion underground
DE1104471B (en) * 1956-11-05 1961-04-13 Dipl Berging Oskar Eckert Rope anchor

Also Published As

Publication number Publication date
BE351241A (en) 1928-06-30
GB293520A (en) 1928-07-12
US1851496A (en) 1932-03-29
DE504677C (en) 1930-08-14

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