FR1089432A - étancon, notamment pour mines - Google Patents

étancon, notamment pour mines

Info

Publication number
FR1089432A
FR1089432A FR1089432DA FR1089432A FR 1089432 A FR1089432 A FR 1089432A FR 1089432D A FR1089432D A FR 1089432DA FR 1089432 A FR1089432 A FR 1089432A
Authority
FR
France
Prior art keywords
stanchion
mines
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
English (en)
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.)
Sambre & Meuse Usines
Original Assignee
Sambre & Meuse Usines
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 Sambre & Meuse Usines filed Critical Sambre & Meuse Usines
Application granted granted Critical
Publication of FR1089432A publication Critical patent/FR1089432A/fr
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
    • E21D15/285—Telescopic props with parts held relatively to each other by friction or gripping by means of wedges or wedge combinations

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)
FR1089432D 1953-12-14 1953-12-14 étancon, notamment pour mines Expired FR1089432A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1089432T 1953-12-14

Publications (1)

Publication Number Publication Date
FR1089432A true FR1089432A (fr) 1955-03-17

Family

ID=9614343

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1089432D Expired FR1089432A (fr) 1953-12-14 1953-12-14 étancon, notamment pour mines

Country Status (1)

Country Link
FR (1) FR1089432A (fr)

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