FR1080833A - étançon de mine formé de deux éléments - Google Patents

étançon de mine formé de deux éléments

Info

Publication number
FR1080833A
FR1080833A FR1080833DA FR1080833A FR 1080833 A FR1080833 A FR 1080833A FR 1080833D A FR1080833D A FR 1080833DA FR 1080833 A FR1080833 A FR 1080833A
Authority
FR
France
Prior art keywords
mine prop
piece
piece mine
prop
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
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.)
SCHWARZ KG HERMANN
Hermann Schwarz KG
Original Assignee
SCHWARZ KG HERMANN
Hermann Schwarz KG
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 SCHWARZ KG HERMANN, Hermann Schwarz KG filed Critical SCHWARZ KG HERMANN
Application granted granted Critical
Publication of FR1080833A publication Critical patent/FR1080833A/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
    • 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)
FR1080833D 1952-06-05 1953-05-29 étançon de mine formé de deux éléments Expired FR1080833A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1080833X 1952-06-05

Publications (1)

Publication Number Publication Date
FR1080833A true FR1080833A (fr) 1954-12-14

Family

ID=7720851

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1080833D Expired FR1080833A (fr) 1952-06-05 1953-05-29 étançon de mine formé de deux éléments

Country Status (1)

Country Link
FR (1) FR1080833A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0352395A1 (fr) * 1987-06-25 1990-01-31 Claude Piton Ancre marine pourvue de moyens de désancrage

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0352395A1 (fr) * 1987-06-25 1990-01-31 Claude Piton Ancre marine pourvue de moyens de désancrage

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