AT188302B - Zweiteiliger Grubenstempel - Google Patents

Zweiteiliger Grubenstempel

Info

Publication number
AT188302B
AT188302B AT188302DA AT188302B AT 188302 B AT188302 B AT 188302B AT 188302D A AT188302D A AT 188302DA AT 188302 B AT188302 B AT 188302B
Authority
AT
Austria
Prior art keywords
part pit
pit stamp
stamp
pit
Prior art date
Application number
Other languages
English (en)
Original Assignee
Schwarz Kg Hermann
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 Schwarz Kg Hermann filed Critical Schwarz Kg Hermann
Application granted granted Critical
Publication of AT188302B publication Critical patent/AT188302B/de

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
    • E21D15/32—Telescopic props with parts held relatively to each other by friction or gripping by a deformable collar or clamping means applied symmetrically inside a locking ring
    • E21D15/325—Telescopic props with parts held relatively to each other by friction or gripping by a deformable collar or clamping means applied symmetrically inside a locking ring by a clamping ring

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)
AT188302D 1954-11-16 1955-08-27 Zweiteiliger Grubenstempel AT188302B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE188302T 1954-11-16

Publications (1)

Publication Number Publication Date
AT188302B true AT188302B (de) 1957-01-10

Family

ID=29431906

Family Applications (1)

Application Number Title Priority Date Filing Date
AT188302D AT188302B (de) 1954-11-16 1955-08-27 Zweiteiliger Grubenstempel

Country Status (1)

Country Link
AT (1) AT188302B (de)

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