AT293310B - Wandernder Strebausbau - Google Patents

Wandernder Strebausbau

Info

Publication number
AT293310B
AT293310B AT1033069A AT1033069A AT293310B AT 293310 B AT293310 B AT 293310B AT 1033069 A AT1033069 A AT 1033069A AT 1033069 A AT1033069 A AT 1033069A AT 293310 B AT293310 B AT 293310B
Authority
AT
Austria
Prior art keywords
wandering
longwall mining
longwall
mining
wandering longwall
Prior art date
Application number
AT1033069A
Other languages
German (de)
English (en)
Original Assignee
Dobson Ltd W E & F
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 Dobson Ltd W E & F filed Critical Dobson Ltd W E & F
Application granted granted Critical
Publication of AT293310B publication Critical patent/AT293310B/de

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
    • E21D23/006—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor provided with essential hydraulic devices
    • E21D23/0069—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor provided with essential hydraulic devices without essential advancing shifting devices

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)
  • Excavating Of Shafts Or Tunnels (AREA)
  • Lining And Supports For Tunnels (AREA)
  • Invalid Beds And Related Equipment (AREA)
  • Tents Or Canopies (AREA)
  • Fluid-Pressure Circuits (AREA)
AT1033069A 1968-11-02 1969-11-03 Wandernder Strebausbau AT293310B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5203468 1968-11-02

Publications (1)

Publication Number Publication Date
AT293310B true AT293310B (de) 1971-10-11

Family

ID=10462375

Family Applications (1)

Application Number Title Priority Date Filing Date
AT1033069A AT293310B (de) 1968-11-02 1969-11-03 Wandernder Strebausbau

Country Status (7)

Country Link
US (1) US3631681A (enrdf_load_stackoverflow)
JP (1) JPS4931162B1 (enrdf_load_stackoverflow)
AT (1) AT293310B (enrdf_load_stackoverflow)
DE (1) DE1954645A1 (enrdf_load_stackoverflow)
ES (1) ES373046A1 (enrdf_load_stackoverflow)
FR (1) FR2022469A1 (enrdf_load_stackoverflow)
GB (1) GB1289299A (enrdf_load_stackoverflow)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PL210760A1 (pl) * 1977-12-13 1979-09-24 Bochumer Eisen Heintzmann Uklad rozrzadu zaworowego przy przesuwnej ramownicy obudowy wyrobisk
DE8318615U1 (de) * 1983-06-28 1983-11-03 Klöckner-Becorit GmbH, 4620 Castrop-Rauxel Richtzylinder fuer den schildausbau
US4679856A (en) * 1983-09-21 1987-07-14 Klockner-Becorit Gmbh Mine self-advancing roof support and method of relocating a mine winning face equipped with self-advancing roof support
GB2164987A (en) * 1984-09-26 1986-04-03 Dowty Mining Equipment Ltd Mine roof supports
US5584611A (en) * 1994-11-22 1996-12-17 Long-Airdox Roof support for underground excavations
US6422962B1 (en) * 2000-04-11 2002-07-23 Litens Automotive Partnership Timing belt tensioner with a backstop device with controlled one-way mechanism
CN100507212C (zh) * 2002-12-17 2009-07-01 迪芬巴赫控制系统股份有限公司 矿山中的工作面支撑装置
CN103557015A (zh) * 2013-08-06 2014-02-05 四川华蓥山广能集团嘉华机械有限责任公司 多伸缩液压支架立柱

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1364412A (fr) * 1963-07-24 1964-06-19 Gewerk Eisenhuette Westfalia Soutènement hydraulique mobile utilisable au fond dans les mines
DE1236451B (de) * 1963-12-21 1967-03-16 Karl Maria Groetschel Dipl Ing Zwischen zwei benachbarte Ausbaueinheiten einsetzbares Leitorgan
GB1079202A (en) * 1964-10-02 1967-08-16 Wild A G & Co Ltd Improvements in or relating to roof support units for mines and the like

Also Published As

Publication number Publication date
ES373046A1 (es) 1971-12-01
GB1289299A (enrdf_load_stackoverflow) 1972-09-13
DE1954645A1 (de) 1970-05-06
JPS4931162B1 (enrdf_load_stackoverflow) 1974-08-20
US3631681A (en) 1972-01-04
FR2022469A1 (enrdf_load_stackoverflow) 1970-07-31

Similar Documents

Publication Publication Date Title
AT286064B (de) Spiralbohrer
CH492905A (de) Dichtung
CH495189A (de) Bohrstangeneinsatz
DE6939179U (de) Bohrgeraetesatz
AT250689B (de) Reißnadelmine
BR6908452D0 (pt) Mineracao sub-aquosa
AT293310B (de) Wandernder Strebausbau
AT277117B (de) Wandernder Strebausbau
AT283784B (de) Comptonspektrometer
AT296189B (de) Gesteinbohrer
CH482606A (de) Fördervorrichtung
AT264425B (de) Strebausbauelement für untertägige Grubenbetriebe
CH520262A (de) Gesteinsbohrer
CH478364A (de) Dichtung
AT263594B (de) Gesteinsbohrer
AT293309B (de) Strebeinrichtung für den Untertagebergbau
CH474740A (de) Springmine
IT972008B (it) Deflagratore per mine terrestri
AT259490B (de) Wandernder hydraulischer Strebausbau
CH517258A (de) Dichtungskonstruktion
CH466351A (de) Verschleissschiene
CH515196A (de) Sprengstoffaufschlämmung
AT293980B (de) Gesteinsbohrer
FR1434369A (fr) Perfectionnements apportés à la construction des tunnels
AT285493B (de) Gesteinsbohrmaschine

Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee