DE314100C - - Google Patents

Info

Publication number
DE314100C
DE314100C DENDAT314100D DE314100DA DE314100C DE 314100 C DE314100 C DE 314100C DE NDAT314100 D DENDAT314100 D DE NDAT314100D DE 314100D A DE314100D A DE 314100DA DE 314100 C DE314100 C DE 314100C
Authority
DE
Germany
Prior art keywords
wedge
iron
stamp
shaped upper
lock
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.)
Active
Application number
DENDAT314100D
Other languages
German (de)
English (en)
Publication of DE314100C publication Critical patent/DE314100C/de
Active 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

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)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
DENDAT314100D Active DE314100C (en:Method)

Publications (1)

Publication Number Publication Date
DE314100C true DE314100C (en:Method)

Family

ID=566934

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT314100D Active DE314100C (en:Method)

Country Status (1)

Country Link
DE (1) DE314100C (en:Method)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1158927B (de) * 1961-09-15 1963-12-12 Werner Rahms Grubenstempel
DE976721C (de) * 1942-11-05 1964-03-19 Karl Maria Dipl-Ber Groetschel Nachgiebiger eiserner Grubenausbau
DE977408C (de) * 1951-02-24 1966-05-26 Karl Gerlach Grubenstempel

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE976721C (de) * 1942-11-05 1964-03-19 Karl Maria Dipl-Ber Groetschel Nachgiebiger eiserner Grubenausbau
DE977408C (de) * 1951-02-24 1966-05-26 Karl Gerlach Grubenstempel
DE1158927B (de) * 1961-09-15 1963-12-12 Werner Rahms Grubenstempel

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