FR1009846A - Pit prop - Google Patents

Pit prop

Info

Publication number
FR1009846A
FR1009846A FR1009846DA FR1009846A FR 1009846 A FR1009846 A FR 1009846A FR 1009846D A FR1009846D A FR 1009846DA FR 1009846 A FR1009846 A FR 1009846A
Authority
FR
France
Prior art keywords
pit prop
prop
pit
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 FR1009846A publication Critical patent/FR1009846A/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
    • E21D15/005—Props; Chocks, e.g. made of flexible containers filled with backfilling material characterised by the material
    • E21D15/007—Props; Chocks, e.g. made of flexible containers filled with backfilling material characterised by the material spark-reducing
    • 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
    • E21D15/40—Collar or other support gripped to one or both parts by toggle-action, cam, or other member pivoted or similarly mounted
    • 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

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)
FR1009846D 1948-06-30 1948-06-30 Pit prop Expired FR1009846A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1009846T 1948-06-30

Publications (1)

Publication Number Publication Date
FR1009846A true FR1009846A (en) 1952-06-04

Family

ID=9568514

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1009846D Expired FR1009846A (en) 1948-06-30 1948-06-30 Pit prop

Country Status (1)

Country Link
FR (1) FR1009846A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0024507A1 (en) * 1979-09-01 1981-03-11 Vereinigte Aluminium-Werke Aktiengesellschaft Use of a composite material based on aluminium

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0024507A1 (en) * 1979-09-01 1981-03-11 Vereinigte Aluminium-Werke Aktiengesellschaft Use of a composite material based on aluminium

Similar Documents

Publication Publication Date Title
CH286541A (en) Anti-tank mine.
FR980903A (en) Explosive
FR972665A (en) iron mine prop
FR1009846A (en) Pit prop
FR991406A (en) mine prop
FR986331A (en) Drill support prop
FR1008513A (en) mine prop
FR1009843A (en) Pit prop
FR1071602A (en) Pit prop
FR1060753A (en) Pit prop
FR1060751A (en) Pit prop
FR1009772A (en) Pit prop
FR1009797A (en) Pit prop
AT172937B (en) Detonator
FR1009955A (en) Mine gallery support
FR1013702A (en) mine prop
FR1017177A (en) mine prop
FR970455A (en) Scarifier-seed drill
FR1008735A (en) Roofing
FR1006677A (en) prop
FR991993A (en) iron mine prop
FR60553E (en) mine prop
FR1022030A (en) pneumatic or hydraulic mine prop
FR1015645A (en) adjustable mine prop
FR59376E (en) mine prop