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FR730837A - étançon de mines - Google Patents

étançon de mines

Info

Publication number
FR730837A
FR730837A FR730837DA FR730837A FR 730837 A FR730837 A FR 730837A FR 730837D A FR730837D A FR 730837DA FR 730837 A FR730837 A FR 730837A
Authority
FR
France
Prior art keywords
mine prop
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)
Inventor
Heinrich Toussaint
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.)
BOCHUMER HEISENHUTTE
Original Assignee
BOCHUMER HEISENHUTTE
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 BOCHUMER HEISENHUTTE filed Critical BOCHUMER HEISENHUTTE
Application granted granted Critical
Publication of FR730837A publication Critical patent/FR730837A/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
    • E21D15/58—Devices for setting props or chocks
    • E21D15/581—Devices for setting props or chocks in which the props are pre- loaded

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)
FR730837D 1931-07-29 1932-02-02 étançon de mines Expired FR730837A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE730837X 1931-07-29

Publications (1)

Publication Number Publication Date
FR730837A true FR730837A (fr) 1932-08-24

Family

ID=6637230

Family Applications (1)

Application Number Title Priority Date Filing Date
FR730837D Expired FR730837A (fr) 1931-07-29 1932-02-02 étançon de mines

Country Status (1)

Country Link
FR (1) FR730837A (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE741146C (de) * 1940-09-14 1943-11-05 Arnold Koepe Eiserner Grubenstempel
DE745114C (de) * 1938-09-16 1944-02-26 Georg Bachmann Eiserner Grubenausbau
DE971644C (de) * 1948-10-02 1959-03-05 Gutehoffnungshuette Sterkrade Mehrteiliger eiserner Grubenstempel

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE745114C (de) * 1938-09-16 1944-02-26 Georg Bachmann Eiserner Grubenausbau
DE741146C (de) * 1940-09-14 1943-11-05 Arnold Koepe Eiserner Grubenstempel
DE971644C (de) * 1948-10-02 1959-03-05 Gutehoffnungshuette Sterkrade Mehrteiliger eiserner Grubenstempel

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