DE215094C - - Google Patents

Info

Publication number
DE215094C
DE215094C DENDAT215094D DE215094DA DE215094C DE 215094 C DE215094 C DE 215094C DE NDAT215094 D DENDAT215094 D DE NDAT215094D DE 215094D A DE215094D A DE 215094DA DE 215094 C DE215094 C DE 215094C
Authority
DE
Germany
Prior art keywords
punch
sand
parts
conical
filling
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
DENDAT215094D
Other languages
German (de)
English (en)
Publication of DE215094C publication Critical patent/DE215094C/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
    • E21D15/16—Telescopic props with parts held together by positive means, with or without relative sliding movement when the prop is subject to excessive pressure
    • E21D15/18—Telescopic props with parts held together by positive means, with or without relative sliding movement when the prop is subject to excessive pressure with one part resting on a supporting medium, e.g. rubber, sand, bitumen, lead, located in the other part, with or without expulsion or displacement of the medium upon excessive pressure
    • 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)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
DENDAT215094D Active DE215094C (cs)

Publications (1)

Publication Number Publication Date
DE215094C true DE215094C (cs)

Family

ID=476623

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT215094D Active DE215094C (cs)

Country Status (1)

Country Link
DE (1) DE215094C (cs)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE960084C (de) * 1953-10-15 1957-03-14 Bochumer Eisen Heintzmann Grubenausbau aus geflanschten Rinnenprofilen mit Fussplatte

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE960084C (de) * 1953-10-15 1957-03-14 Bochumer Eisen Heintzmann Grubenausbau aus geflanschten Rinnenprofilen mit Fussplatte

Similar Documents

Publication Publication Date Title
DE1282526C2 (de) Pneumatischer Greifer zum Erfassen von Spulen bzw. Huelsen an Spulenwechselvorrichtungen
DE1184477B (de) Greifvorrichtung
DE1777153C3 (de) Vorrichtung zum hydromechanischen Tiefziehen
DE215094C (cs)
AT6719U1 (de) Greifzange
DE4322181A1 (de) Vorrichtung und Verfahren zum Greifen eines Gießereikerns, insbesondere eines Sohlenkerns
DE3802872C2 (cs)
DE10259369B3 (de) Vorrichtung zum Setzen eines Stanzniets in Blech
DE593621C (de) Verfahren zum Formen von Huelsen
DE3327881A1 (de) Vorrichtung zum aufpressen und vernieten von laschen auf bolzen einer kette
DE2322854A1 (de) Verfahren und werkzeug zum einsetzen einer oese in segeltuch od.dgl
DE1918081A1 (de) Logisches Schaltelement auf Fluidbasis sowie Verfahren und Vorrichtung zu seiner Herstellung
DE273530C (cs)
DE308164C (cs)
DE327972C (de) Verfahren zur Verbindung von Metalldraehten und Seilen, insbesondere fuer elektrische Leitungen
DE1429968C3 (de) Christbaumstander mit Wasserbehälter
DE238602C (cs)
DE290557C (cs)
DE141068C (cs)
DE193703C (cs)
DE112886C (cs)
DE87121C (cs)
DE155792C (cs)
DE237559C (cs)
AT110236B (de) Vorrichtung an Fallhämmern mit gegen den Bär verschiebbarem und abgebremstem Hubgestänge zum Festhalten des Gestänges in seiner Höchstlage gegen den Bär.