FR1228013A - Improvements to mine stanchions - Google Patents

Improvements to mine stanchions

Info

Publication number
FR1228013A
FR1228013A FR742924A FR742924A FR1228013A FR 1228013 A FR1228013 A FR 1228013A FR 742924 A FR742924 A FR 742924A FR 742924 A FR742924 A FR 742924A FR 1228013 A FR1228013 A FR 1228013A
Authority
FR
France
Prior art keywords
stanchions
mine
mine stanchions
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
FR742924A
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.)
BOCHUMER GES fur GRUBENAUSBAU
Original Assignee
BOCHUMER GES fur GRUBENAUSBAU
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 BOCHUMER GES fur GRUBENAUSBAU filed Critical BOCHUMER GES fur GRUBENAUSBAU
Application granted granted Critical
Publication of FR1228013A publication Critical patent/FR1228013A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
    • E21D15/14—Telescopic props
    • E21D15/28—Telescopic props with parts held relatively to each other by friction or gripping
    • E21D15/40—Collar or other support gripped to one or both parts by toggle-action, cam, or other member pivoted or similarly mounted
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
    • E21D15/50—Component parts or details of props
    • E21D15/502—Prop bodies characterised by their shape, e.g. of specified cross-section

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
FR742924A 1956-07-11 1957-07-10 Improvements to mine stanchions Expired FR1228013A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT1228013X 1956-07-11

Publications (1)

Publication Number Publication Date
FR1228013A true FR1228013A (en) 1960-08-26

Family

ID=3687509

Family Applications (1)

Application Number Title Priority Date Filing Date
FR742924A Expired FR1228013A (en) 1956-07-11 1957-07-10 Improvements to mine stanchions

Country Status (1)

Country Link
FR (1) FR1228013A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2381904A1 (en) * 1978-02-15 1978-09-22 Gruenzweig Hartmann Glasfaser Underground mining support profile assembly - has M-sections which can slide in each other for adjustment with double locking partially by friction and fully by cams
FR2441051A2 (en) * 1978-11-09 1980-06-06 Capela Roger Clamp for telescopic channel sections of gallery support arch - has stirrup with shaped projection in base and cams giving progressive locking action

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2381904A1 (en) * 1978-02-15 1978-09-22 Gruenzweig Hartmann Glasfaser Underground mining support profile assembly - has M-sections which can slide in each other for adjustment with double locking partially by friction and fully by cams
FR2441051A2 (en) * 1978-11-09 1980-06-06 Capela Roger Clamp for telescopic channel sections of gallery support arch - has stirrup with shaped projection in base and cams giving progressive locking action

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