DE257186C - - Google Patents

Info

Publication number
DE257186C
DE257186C DENDAT257186D DE257186DA DE257186C DE 257186 C DE257186 C DE 257186C DE NDAT257186 D DENDAT257186 D DE NDAT257186D DE 257186D A DE257186D A DE 257186DA DE 257186 C DE257186 C DE 257186C
Authority
DE
Germany
Prior art keywords
punch
stamp
iron
pushed
another
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
DENDAT257186D
Other languages
German (de)
English (en)
Publication of DE257186C publication Critical patent/DE257186C/de
Active legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D15/00Props; Chocks, e.g. made of flexible containers filled with backfilling material
    • E21D15/50Component parts or details of props
    • E21D15/502Prop 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)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
DENDAT257186D Active DE257186C (cs)

Publications (1)

Publication Number Publication Date
DE257186C true DE257186C (cs)

Family

ID=515128

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT257186D Active DE257186C (cs)

Country Status (1)

Country Link
DE (1) DE257186C (cs)

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