ES353553A2 - Dispositivo para la explotacion sin personal completamente mecanica de estratos de inclinacion empinada y semiempinada y procedimiento para su explotacion. - Google Patents

Dispositivo para la explotacion sin personal completamente mecanica de estratos de inclinacion empinada y semiempinada y procedimiento para su explotacion.

Info

Publication number
ES353553A2
ES353553A2 ES353553A ES353553A ES353553A2 ES 353553 A2 ES353553 A2 ES 353553A2 ES 353553 A ES353553 A ES 353553A ES 353553 A ES353553 A ES 353553A ES 353553 A2 ES353553 A2 ES 353553A2
Authority
ES
Spain
Prior art keywords
exploitation
steep
translation
procedure
machine
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.)
Expired
Application number
ES353553A
Other languages
English (en)
Spanish (es)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Harpener Bergbau AG
Original Assignee
Harpener Bergbau AG
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 Harpener Bergbau AG filed Critical Harpener Bergbau AG
Publication of ES353553A2 publication Critical patent/ES353553A2/es
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C27/00—Machines which completely free the mineral from the seam
    • E21C27/02—Machines which completely free the mineral from the seam solely by slitting
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
    • E21D23/0047—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor without essential shifting devices
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F15/00—Methods or devices for placing filling-up materials in underground workings
    • E21F15/02—Supporting means, e.g. shuttering, for filling-up materials

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Catching Or Destruction (AREA)
  • Basic Packing Technique (AREA)
  • Binders And Loading Units For Sheaves (AREA)
  • Working Measures On Existing Buildindgs (AREA)
  • Crushing And Grinding (AREA)
ES353553A 1967-05-17 1968-05-04 Dispositivo para la explotacion sin personal completamente mecanica de estratos de inclinacion empinada y semiempinada y procedimiento para su explotacion. Expired ES353553A2 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEH62755A DE1273459B (de) 1967-05-17 1967-05-17 Vorrichtung zum mechanischen Abbau in Floezen steiler und halbsteiler Lagerung

Publications (1)

Publication Number Publication Date
ES353553A2 true ES353553A2 (es) 1969-10-01

Family

ID=7162008

Family Applications (1)

Application Number Title Priority Date Filing Date
ES353553A Expired ES353553A2 (es) 1967-05-17 1968-05-04 Dispositivo para la explotacion sin personal completamente mecanica de estratos de inclinacion empinada y semiempinada y procedimiento para su explotacion.

Country Status (4)

Country Link
BE (1) BE714165A (en:Method)
DE (1) DE1273459B (en:Method)
ES (1) ES353553A2 (en:Method)
FR (1) FR1562503A (en:Method)

Also Published As

Publication number Publication date
DE1273459B (de) 1968-07-25
BE714165A (en:Method) 1968-09-16
FR1562503A (en:Method) 1969-04-04

Similar Documents

Publication Publication Date Title
Ohlin Selection for parole.
ES353553A2 (es) Dispositivo para la explotacion sin personal completamente mecanica de estratos de inclinacion empinada y semiempinada y procedimiento para su explotacion.
ES342888A1 (es) Un dispositivo de escala extensible.
Weaver et al. Structural-lexical predictability of materials which predictor has previously produced or read.
ES27244U (es) Estuche para regalos y aplicaciones diversas
GB535274A (en) Improvements in pit props, mine chocks and the like devices
Bookwalter JENKINS, GLADYS GARDNER, HELEN SHACTER, and WW BAUER," These Are Your Children," Chicago (Book Review)
GB576208A (en) Improvements in card indexes and the like
ES41449U (es) Un pernio helicoidal
ES84961U (es) Pueta plegable
HAMMOND et al. Application of diode break-point analysis and worst-case design techniques to the development of a high-speed transmission gate(Design of simple circuit for high speed transmission gating of analog signals with fast switching diode and small overshoot)
ES33268U (es) Cierre corredizo perfeccionado
ES217421U (es) Billar.
ES119428U (es) Cremallera invisiblle.
ES84454U (es) Brazo resbalón para carriles de cortinas
ES142080U (es) Dispositivo elevador multiple.
ES75424U (es) Cierre de seguridad con elementos articulados
FR1261113A (fr) Dispositif de guidage et de verrouillage pour portes coulissantes
ES164411U (es) Circuito para autorraíl elevado de juguete
JPS5236940A (en) Data input device
BE604512A (fr) Procédé et dispositif pour l'extraction mécanique au charbon et autres minerais
ES44706U (es) Nueva mesa de billar
ES286637U (es) Palanca perfeccionada para maquinas de juego de azar
ES169640U (es) Parrillas porta - botellas adscritas a muebles frigorificos mejoradas.
ES69817U (es) Aparato combinado de magnetófono y tocadiscos