DE604346C - - Google Patents

Info

Publication number
DE604346C
DE604346C DENDAT604346D DE604346DA DE604346C DE 604346 C DE604346 C DE 604346C DE NDAT604346 D DENDAT604346 D DE NDAT604346D DE 604346D A DE604346D A DE 604346DA DE 604346 C DE604346 C DE 604346C
Authority
DE
Germany
Prior art keywords
punch
irons
flanges
lower punch
pit
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
DENDAT604346D
Other languages
German (de)
English (en)
Publication of DE604346C publication Critical patent/DE604346C/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
    • E21D15/14Telescopic props
    • E21D15/16Telescopic props with parts held together by positive means, with or without relative sliding movement when the prop is subject to excessive pressure
    • E21D15/18Telescopic 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

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)
DENDAT604346D Active DE604346C (enExample)

Publications (1)

Publication Number Publication Date
DE604346C true DE604346C (enExample)

Family

ID=575999

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT604346D Active DE604346C (enExample)

Country Status (1)

Country Link
DE (1) DE604346C (enExample)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE919524C (de) * 1951-11-14 1954-10-25 Hermann Meier K G Maschf Nachgiebiger Streckenausbau
DE963951C (de) * 1950-02-17 1957-06-27 F W Moll Soehne Nachgiebiger Grubenausbau, insbesondere Streckenausbau
US4052029A (en) * 1974-09-05 1977-10-04 Mine Support Systems (Proprietary) Limited Compressible mine support

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE963951C (de) * 1950-02-17 1957-06-27 F W Moll Soehne Nachgiebiger Grubenausbau, insbesondere Streckenausbau
DE919524C (de) * 1951-11-14 1954-10-25 Hermann Meier K G Maschf Nachgiebiger Streckenausbau
US4052029A (en) * 1974-09-05 1977-10-04 Mine Support Systems (Proprietary) Limited Compressible mine support

Similar Documents

Publication Publication Date Title
DE2440898A1 (de) Fachboden
DE604346C (enExample)
DE2829243A1 (de) Ein pflanzentisch fuer treibhaeuser
DE717206C (de) Eiskaestchen
DE102015209280A1 (de) Maschinenrahmen für einen Walzenbrecher
WO2010102600A1 (de) Giessdüse für eine horizontale bandgiessanlage
DE2038895A1 (de) Gitterrost
DE2703289B2 (de) Dichtungsleiste für einen aufgeständerten Boden
DE857617C (de) Sperrvorrichtung fuer Rollgitter
AT117052B (de) Scheibengasbehälter.
DE680637C (de) Untergestell fuer Matratzenstopfmaschinen
AT103765B (de) Vorrichtung zum mechanischen Einstellen von Ziffern, Schriftzeichen usw. für Preisund Warentabellen, Termintabellen, Kalender od. dgl.
DE1951467A1 (de) Formpresse fuer Betonplatten
DE1152039B (de) Zahltisch fuer Banken, Sparkassen u. dgl.
AT304828B (de) Schallhemmende Trennwand
DE111937C (enExample)
DE2830867A1 (de) Gebaeudewandelement fuer den fertigbau
AT280211B (de) Ventilboden für Stoffaustauschkolonnen, insbesondere Fraktionierboden
DE514339C (de) Kuehlanlage mit jalousieratig uebereinander angeordneten Kuehlblechen, insbesondere zum Kuehlen von Braunkohle
DE447299C (de) Scheibengasbehaelter
DE68906026T2 (de) Behandlung von metallbrammen.
DE513778C (de) Zudeckelmaschine fuer Pappschachteln mit Halseinsatz
DE614095C (de) Schneid- und Spreizgeraet fuer Teigplatten
AT89676B (de) Verfahren und Vorrichtung zur Herstellung von Schwemmsteinen u. dgl.
DE1768811U (de) Platte und traeger fuer schwebend aufgehaengte unterdecken aus vorgefertigten platten.