HU208043B - Apparatus for securing mine working place - Google Patents

Apparatus for securing mine working place Download PDF

Info

Publication number
HU208043B
HU208043B HU283289A HU283289A HU208043B HU 208043 B HU208043 B HU 208043B HU 283289 A HU283289 A HU 283289A HU 283289 A HU283289 A HU 283289A HU 208043 B HU208043 B HU 208043B
Authority
HU
Hungary
Prior art keywords
headrest
rock
correct
movable
figures
Prior art date
Application number
HU283289A
Other languages
English (en)
Hungarian (hu)
Other versions
HUT57380A (en
Inventor
Gyoergy Szentai
Original Assignee
Gyoergy Szentai
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 Gyoergy Szentai filed Critical Gyoergy Szentai
Priority to HU283289A priority Critical patent/HU208043B/hu
Priority to GB9012433A priority patent/GB2233379B/en
Priority to FR9006931A priority patent/FR2648181A1/fr
Priority to DE19904018001 priority patent/DE4018001A1/de
Publication of HUT57380A publication Critical patent/HUT57380A/hu
Publication of HU208043B publication Critical patent/HU208043B/hu

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D23/00Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
    • E21D23/0004Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor along the working face

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)
  • Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
  • Auxiliary Methods And Devices For Loading And Unloading (AREA)
  • Seats For Vehicles (AREA)
  • Accommodation For Nursing Or Treatment Tables (AREA)
  • Transmission Devices (AREA)
HU283289A 1989-06-02 1989-06-02 Apparatus for securing mine working place HU208043B (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
HU283289A HU208043B (en) 1989-06-02 1989-06-02 Apparatus for securing mine working place
GB9012433A GB2233379B (en) 1989-06-02 1990-06-04 Support for underground mining operations
FR9006931A FR2648181A1 (fr) 1989-06-02 1990-06-05 Systeme de soutenement pour exploitation miniere souterraine
DE19904018001 DE4018001A1 (de) 1989-06-02 1990-06-05 Vorrichtung fuer den grubenausbau von unterirdischen arbeitsplaetzen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
HU283289A HU208043B (en) 1989-06-02 1989-06-02 Apparatus for securing mine working place

Publications (2)

Publication Number Publication Date
HUT57380A HUT57380A (en) 1991-11-28
HU208043B true HU208043B (en) 1993-07-28

Family

ID=10961291

Family Applications (1)

Application Number Title Priority Date Filing Date
HU283289A HU208043B (en) 1989-06-02 1989-06-02 Apparatus for securing mine working place

Country Status (4)

Country Link
DE (1) DE4018001A1 (fr)
FR (1) FR2648181A1 (fr)
GB (1) GB2233379B (fr)
HU (1) HU208043B (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2239286B (en) * 1989-12-23 1994-03-02 Meco Mining Equip Mine roof support
CN110792463A (zh) * 2019-11-11 2020-02-14 大同煤矿集团有限责任公司 复杂条件下工作面机道过漏顶加固方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1516851A (en) * 1975-04-04 1978-07-05 Gullick Dobson Ltd Mine roof supports
AT337639B (de) * 1975-09-26 1977-07-11 Voest Alpine Montan Ag Schildausbau
HU179856B (en) * 1980-05-06 1982-12-28 Varpalotai Szenbanyak Apparatus for nining particularly expolating thick seams
GB2192021B (en) * 1986-06-26 1990-03-21 Gullick Dobson Ltd A roof engaging structure for a mine roof support
GB2192659B (en) * 1986-07-15 1990-04-11 Gullick Dobson Ltd Mine roof support roof engaging device
DE3940818A1 (de) * 1989-12-09 1991-06-13 Gewerk Eisenhuette Westfalia Ausbaugestell mit einer vorrichtung zum abziehen des aus der oberbank nachbrechenden gewinnungsgutes
GB2239286B (en) * 1989-12-23 1994-03-02 Meco Mining Equip Mine roof support

Also Published As

Publication number Publication date
DE4018001A1 (de) 1990-12-20
GB2233379A (en) 1991-01-09
FR2648181A1 (fr) 1990-12-14
GB9012433D0 (en) 1990-07-25
GB2233379B (en) 1993-08-25
HUT57380A (en) 1991-11-28

Similar Documents

Publication Publication Date Title
EP2247823A1 (fr) Procédé pour assurer la commande d'installations d'exploitation par taille
CN213016387U (zh) 无煤柱采矿井空留巷挡矸支护29u型钢连接紧固装置
HU208043B (en) Apparatus for securing mine working place
DE3107955C2 (de) Einrichtung zum Ausbau und zur Gewinnung von Flözen
SI9800089A (sl) Kombinacijski ščit za velike debeline rudnih plasti
US4020640A (en) Shield structure
WO2008011647A1 (fr) Dispositif d'appui pour une abatteuse-chargeuse
DE2848506B2 (de) Schildausbaugestell
CN104141504B (zh) 一种拱形断面巷道掘进支护装置
US4305684A (en) Method of and apparatus for horizontally and vertically guiding a cutter drive shield
CN202520350U (zh) 节式可伸缩悬移顶梁巷道超前支架
AU736955B2 (en) A sub-level caving hydraulic support with a low-positioned door for passing caved coal
CN106401634A (zh) 一种前后柱分体卸压液压支架和液压支架控制方法
US5033913A (en) Mine roof support
US3908389A (en) Mine roof support
CN212225288U (zh) 一种急倾斜巷道用下端头液压支架
DE4016929C1 (en) Roof support for mine - has canopy with bar hinged to floor skids by extendable props
US3474627A (en) Roof supports for mine workings
HU185380B (en) Supporting device for mining particularly for wall method
US4747729A (en) Movable trestle
US3216202A (en) Roof supporting means for mines
CN113954974A (zh) 一种车厢的分层装置
GB2192659A (en) Mine roof support with hinged two part canopy and jack to control angle of parts
DE2921671A1 (de) Schildausbaueinheit
CA1075480A (fr) Elements de soutenement d'un toit de mine

Legal Events

Date Code Title Description
HMM4 Cancellation of final prot. due to non-payment of fee
DNF4 Restoration of lapsed final protection
HPC4 Succession in title of patentee

Owner name: PROMINE MAGYAR-ANGOL MERNOKI ES KERESKEDELMI SZOLG

HMM4 Cancellation of final prot. due to non-payment of fee