[go: up one dir, main page]

FR969365A - étançon de mine métallique - Google Patents

étançon de mine métallique

Info

Publication number
FR969365A
FR969365A FR969365DA FR969365A FR 969365 A FR969365 A FR 969365A FR 969365D A FR969365D A FR 969365DA FR 969365 A FR969365 A FR 969365A
Authority
FR
France
Prior art keywords
metal mine
mine prop
prop
metal
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)
Inventor
Alexander Schmidt
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
Application granted granted Critical
Publication of FR969365A publication Critical patent/FR969365A/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
    • E21D15/36—Telescopic props with parts held relatively to each other by friction or gripping by a tiltable collar surrounding one or both parts
    • 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
    • E21D15/42—Telescopic props with parts held relatively to each other by friction or gripping with special parts to influence the friction
    • 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)
FR969365D 1946-08-10 1946-08-10 étançon de mine métallique Expired FR969365A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR969365T 1946-08-10

Publications (1)

Publication Number Publication Date
FR969365A true FR969365A (fr) 1950-12-19

Family

ID=9501917

Family Applications (1)

Application Number Title Priority Date Filing Date
FR969365D Expired FR969365A (fr) 1946-08-10 1946-08-10 étançon de mine métallique

Country Status (1)

Country Link
FR (1) FR969365A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3490783A (en) * 1967-06-23 1970-01-20 Ever New Inc Ski boot heel binding device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3490783A (en) * 1967-06-23 1970-01-20 Ever New Inc Ski boot heel binding device

Similar Documents

Publication Publication Date Title
FR965662A (fr) etai metallique reglable
FR975399A (fr) Wagonnet de mine
FR920262A (fr) étançon métallique de mine
FR969365A (fr) étançon de mine métallique
FR57153E (fr) étançon métallique de mine
FR56237E (fr) étançon métallique de mine
FR951055A (fr) étançon métallique
FR913723A (fr) Etançon métallique
FR1002089A (fr) étançon de mine
FR1002177A (fr) étançon métallique
FR57162E (fr) étançon métallique de mine
FR937687A (fr) Fenêtre
FR917343A (fr) étançons métalliques
FR924237A (fr) Tuile métallique
FR969717A (fr) Effondreur pour étançon de mine
FR924813A (fr) Fût métallique
FI25984A (fi) Kattorakenne
FR1008513A (fr) étançon de mine
FR1002994A (fr) étai de mine en fer
FR922608A (fr) Réduction de minerais
FR938691A (fr) Tuile métallique
FR923323A (fr) étançon de mine télescopique
FR1005424A (fr) étançon de mine
FR1009191A (fr) étançon métallique
FR56753E (fr) étançon métallique