DE184848C - - Google Patents

Info

Publication number
DE184848C
DE184848C DENDAT184848D DE184848DA DE184848C DE 184848 C DE184848 C DE 184848C DE NDAT184848 D DENDAT184848 D DE NDAT184848D DE 184848D A DE184848D A DE 184848DA DE 184848 C DE184848 C DE 184848C
Authority
DE
Germany
Prior art keywords
punch
parts
foot
stamp
clamping device
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
DENDAT184848D
Other languages
German (de)
English (en)
Publication of DE184848C publication Critical patent/DE184848C/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
    • E21D15/38—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

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)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
DENDAT184848D Active DE184848C (enrdf_load_stackoverflow)

Publications (1)

Publication Number Publication Date
DE184848C true DE184848C (enrdf_load_stackoverflow)

Family

ID=448749

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT184848D Active DE184848C (enrdf_load_stackoverflow)

Country Status (1)

Country Link
DE (1) DE184848C (enrdf_load_stackoverflow)

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