FR1323486A - étançon de mines en plusieurs parties - Google Patents

étançon de mines en plusieurs parties

Info

Publication number
FR1323486A
FR1323486A FR899658A FR899658A FR1323486A FR 1323486 A FR1323486 A FR 1323486A FR 899658 A FR899658 A FR 899658A FR 899658 A FR899658 A FR 899658A FR 1323486 A FR1323486 A FR 1323486A
Authority
FR
France
Prior art keywords
mine prop
part 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
FR899658A
Other languages
English (en)
Inventor
Karl Gerlach
Hans Gerlach
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 filed Critical
Priority to FR899658A priority Critical patent/FR1323486A/fr
Application granted granted Critical
Publication of FR1323486A publication Critical patent/FR1323486A/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
    • E21D15/38—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
    • 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)
FR899658A 1962-06-04 1962-06-04 étançon de mines en plusieurs parties Expired FR1323486A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR899658A FR1323486A (fr) 1962-06-04 1962-06-04 étançon de mines en plusieurs parties

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR899658A FR1323486A (fr) 1962-06-04 1962-06-04 étançon de mines en plusieurs parties

Publications (1)

Publication Number Publication Date
FR1323486A true FR1323486A (fr) 1963-04-05

Family

ID=8780302

Family Applications (1)

Application Number Title Priority Date Filing Date
FR899658A Expired FR1323486A (fr) 1962-06-04 1962-06-04 étançon de mines en plusieurs parties

Country Status (1)

Country Link
FR (1) FR1323486A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3279869A (en) * 1963-05-15 1966-10-18 A Andersens Staalvarefabrik As Clamp assembly for a harrow tooth

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3279869A (en) * 1963-05-15 1966-10-18 A Andersens Staalvarefabrik As Clamp assembly for a harrow tooth

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