DE293684C - - Google Patents

Info

Publication number
DE293684C
DE293684C DENDAT293684D DE293684DA DE293684C DE 293684 C DE293684 C DE 293684C DE NDAT293684 D DENDAT293684 D DE NDAT293684D DE 293684D A DE293684D A DE 293684DA DE 293684 C DE293684 C DE 293684C
Authority
DE
Germany
Prior art keywords
stamp
wooden
foot
wedge
carries
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
DENDAT293684D
Other languages
German (de)
Publication of DE293684C publication Critical patent/DE293684C/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
    • E21D15/50—Component parts or details of props
    • E21D15/54—Details of the ends of props

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)
  • Chemical And Physical Treatments For Wood And The Like (AREA)
  • Manufacture Or Reproduction Of Printing Formes (AREA)

Description

Hierzu 1 Blatt Zeichnungen.1 sheet of drawings.

BERLIN. GEDRUCKT IN DER REICHSDRUCKEREI.BERLIN. PRINTED IN THE REICHSDRUCKEREI.

Claims (1)

Patent-Anspruch:Patent claim: Nachgiebiger eiserner Stempelfuß für Holzstempel beim wandernden Grubenausbau, dadurch gekennzeichnet, daß eine Schneckenfeder (c) in dem rohrförmigen Stempelfuß («) auf den oberen Rücken eines Keiles (i) aufgesetzt ist und den Führungsteller (b) für den Holzstempel trägt.Resilient iron stamp foot for wooden stamps in moving pit construction, characterized in that a helical spring (c) in the tubular stamp foot («) is placed on the upper back of a wedge (i) and carries the guide plate (b) for the wooden stamp.
DENDAT293684D Active DE293684C (en)

Publications (1)

Publication Number Publication Date
DE293684C true DE293684C (en)

Family

ID=548327

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT293684D Active DE293684C (en)

Country Status (1)

Country Link
DE (1) DE293684C (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE864238C (en) * 1949-03-08 1953-01-22 Press Und Stanzwerk Golzheim Robbery shoe for stamp heads
DE974559C (en) * 1944-03-15 1961-02-09 Gerhard Werner Method for tensioning a set extension member and forming the extension member

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE974559C (en) * 1944-03-15 1961-02-09 Gerhard Werner Method for tensioning a set extension member and forming the extension member
DE864238C (en) * 1949-03-08 1953-01-22 Press Und Stanzwerk Golzheim Robbery shoe for stamp heads

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