FR1116655A - support strut - Google Patents

support strut

Info

Publication number
FR1116655A
FR1116655A FR1116655DA FR1116655A FR 1116655 A FR1116655 A FR 1116655A FR 1116655D A FR1116655D A FR 1116655DA FR 1116655 A FR1116655 A FR 1116655A
Authority
FR
France
Prior art keywords
support strut
strut
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.)
Becorit Grubenausbau GmbH
Original Assignee
Becorit Grubenausbau GmbH
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 Becorit Grubenausbau GmbH filed Critical Becorit Grubenausbau GmbH
Application granted granted Critical
Publication of FR1116655A publication Critical patent/FR1116655A/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
    • E21D15/38—Telescopic props with parts held relatively to each other by friction or gripping with longitudinally-divided upper or lower prop parts, e.g. interfitting laminations

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)
FR1116655D 1954-09-17 1954-12-29 support strut Expired FR1116655A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1116655X 1954-09-17

Publications (1)

Publication Number Publication Date
FR1116655A true FR1116655A (en) 1956-05-09

Family

ID=7724157

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1116655D Expired FR1116655A (en) 1954-09-17 1954-12-29 support strut

Country Status (1)

Country Link
FR (1) FR1116655A (en)

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