ES273611U - Cabeza de barras escamoteable especialmente para instalaciones de extraccion subterranea. - Google Patents

Cabeza de barras escamoteable especialmente para instalaciones de extraccion subterranea.

Info

Publication number
ES273611U
ES273611U ES1982273611U ES273611U ES273611U ES 273611 U ES273611 U ES 273611U ES 1982273611 U ES1982273611 U ES 1982273611U ES 273611 U ES273611 U ES 273611U ES 273611 U ES273611 U ES 273611U
Authority
ES
Spain
Prior art keywords
bar head
translation
machine
legally binding
google translate
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.)
Granted
Application number
ES1982273611U
Other languages
English (en)
Other versions
ES273611Y (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.)
Gewerkschaft Eisenhutte Westfalia GmbH
Original Assignee
Gewerkschaft Eisenhutte Westfalia GmbH
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 Gewerkschaft Eisenhutte Westfalia GmbH filed Critical Gewerkschaft Eisenhutte Westfalia GmbH
Publication of ES273611U publication Critical patent/ES273611U/es
Application granted granted Critical
Publication of ES273611Y publication Critical patent/ES273611Y/es
Expired legal-status Critical Current

Links

Classifications

    • 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
    • E21D23/08—Advancing mechanisms
    • E21D23/081—Advancing mechanisms forming parts of the roof supports
    • E21D23/083—Advancing mechanisms forming parts of the roof supports acting on a firm abutment adapted thereto
    • 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
    • E21D23/04—Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor
    • E21D23/0409—Aligning or guiding means for the supports or for the constitutive parts of the supports

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)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Bulkheads Adapted To Foundation Construction (AREA)
  • Earth Drilling (AREA)
  • Chain Conveyers (AREA)

Abstract

Cabeza de barras escamoteable, para las barras de guía de un dispositivo de control y de desplazamiento de una instalación de extracción subterránea, caracterizada porque la cabeza de barras (1) presenta canales longitudinales (4), estando configuradas las paredes exteriores (19, 20) opuestas entre sí de los canales contíguos parcialmente como bolsas (10) abiertas lateralmente.
ES1982273611U 1981-06-10 1982-06-09 Cabeza de barras escamoteable especialmente para instalaciones de extraccion subterranea. Expired ES273611Y (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19818117087 DE8117087U1 (de) 1981-06-10 1981-06-10 Versteckbarer stangenkopf fuer die fuehrungsstangen einer steuer- und rueckeinrichtung

Publications (2)

Publication Number Publication Date
ES273611U true ES273611U (es) 1983-12-16
ES273611Y ES273611Y (es) 1984-07-01

Family

ID=6728418

Family Applications (1)

Application Number Title Priority Date Filing Date
ES1982273611U Expired ES273611Y (es) 1981-06-10 1982-06-09 Cabeza de barras escamoteable especialmente para instalaciones de extraccion subterranea.

Country Status (3)

Country Link
DE (1) DE8117087U1 (es)
ES (1) ES273611Y (es)
FR (1) FR2507676B1 (es)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2534325C3 (de) * 1975-07-31 1982-03-04 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Einrichtung zur Niveausteuerung einer Gewinnungsmaschine, insbesondere eines Hobels
ES476433A1 (es) * 1977-12-29 1979-10-16 Gewerk Eisenhuette Westfalia Perfeccionamientos en mecanismos progresivos para entibacio-nes progresivas hidraulicas

Also Published As

Publication number Publication date
ES273611Y (es) 1984-07-01
FR2507676A1 (fr) 1982-12-17
DE8117087U1 (de) 1981-10-08
FR2507676B1 (fr) 1985-11-22

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