DE301936C - - Google Patents

Info

Publication number
DE301936C
DE301936C DENDAT301936D DE301936DA DE301936C DE 301936 C DE301936 C DE 301936C DE NDAT301936 D DENDAT301936 D DE NDAT301936D DE 301936D A DE301936D A DE 301936DA DE 301936 C DE301936 C DE 301936C
Authority
DE
Germany
Prior art keywords
stamp
punch
pit
support plate
clamping bracket
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
DENDAT301936D
Other languages
German (de)
English (en)
Publication of DE301936C publication Critical patent/DE301936C/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
    • E21D15/36—Telescopic props with parts held relatively to each other by friction or gripping by a tiltable collar surrounding one or both parts

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)
  • Bending Of Plates, Rods, And Pipes (AREA)
DENDAT301936D Active DE301936C (enrdf_load_stackoverflow)

Publications (1)

Publication Number Publication Date
DE301936C true DE301936C (enrdf_load_stackoverflow)

Family

ID=555773

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT301936D Active DE301936C (enrdf_load_stackoverflow)

Country Status (1)

Country Link
DE (1) DE301936C (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE745160C (de) * 1937-07-22 1944-02-28 Karl Gerlach Eiserner Grubenstempel
DE937221C (de) * 1936-08-04 1955-12-29 Gerlach Karl Stahlgrubenstempel

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE937221C (de) * 1936-08-04 1955-12-29 Gerlach Karl Stahlgrubenstempel
DE745160C (de) * 1937-07-22 1944-02-28 Karl Gerlach Eiserner Grubenstempel

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