ATA843677A - PIT REMOVAL UNIT - Google Patents

PIT REMOVAL UNIT

Info

Publication number
ATA843677A
ATA843677A AT843677A AT843677A ATA843677A AT A843677 A ATA843677 A AT A843677A AT 843677 A AT843677 A AT 843677A AT 843677 A AT843677 A AT 843677A AT A843677 A ATA843677 A AT A843677A
Authority
AT
Austria
Prior art keywords
removal unit
pit removal
pit
unit
removal
Prior art date
Application number
AT843677A
Other languages
German (de)
Other versions
AT353213B (en
Inventor
Wincenty Dipl Ing Pretor
Edward Dipl Ing Rozmus
Zygmunt Dipl Ing Noculak
Henryk Ing Zych
Adolf Dipl Ing Drewniak
Original Assignee
Ts Osrodek P K Maszyn Gorniczy
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 Ts Osrodek P K Maszyn Gorniczy filed Critical Ts Osrodek P K Maszyn Gorniczy
Publication of ATA843677A publication Critical patent/ATA843677A/en
Application granted granted Critical
Publication of AT353213B publication Critical patent/AT353213B/en

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
    • E21D23/04—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)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)
  • Earth Drilling (AREA)
AT843677A 1976-11-24 1977-11-24 PIT REMOVAL UNIT AT353213B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL19388276 1976-11-24

Publications (2)

Publication Number Publication Date
ATA843677A true ATA843677A (en) 1979-04-15
AT353213B AT353213B (en) 1979-11-12

Family

ID=19979485

Family Applications (1)

Application Number Title Priority Date Filing Date
AT843677A AT353213B (en) 1976-11-24 1977-11-24 PIT REMOVAL UNIT

Country Status (4)

Country Link
AT (1) AT353213B (en)
DE (1) DE2752112A1 (en)
GB (1) GB1573790A (en)
HU (1) HU174112B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
DE3334004C1 (en) * 1983-09-21 1985-04-04 Klöckner-Becorit GmbH, 4620 Castrop-Rauxel Self-advancing powered support system and method of shifting a longwall face equipped with a self-advancing powered support system
CN102373936A (en) * 2010-08-24 2012-03-14 李大军 Hydraulic telescopic bracket for downhole coal mine and downhole coal mining method using same
CN103174441B (en) * 2013-03-15 2014-12-03 辽宁工程技术大学 Adjustable double-resistance energy absorption anti-impact hydraulic support frame
CN112302698B (en) * 2020-10-28 2022-08-12 贵州理工学院 Folding hydraulic tunnel supporting device convenient to carry
CN117108331B (en) * 2023-10-23 2024-01-02 山西新龙重工高分子科技有限公司 Unit type hydraulic support

Also Published As

Publication number Publication date
HU174112B (en) 1979-11-28
GB1573790A (en) 1980-08-28
DE2752112A1 (en) 1978-06-01
AT353213B (en) 1979-11-12

Similar Documents

Publication Publication Date Title
FI770006A (en) ABSORBERANDE UNDERKLAEDSSKYDD
AT344629B (en) SIEBFELD
ATA204777A (en) SCHISCHU
AT353866B (en) HOERGERAET
AT349288B (en) RUHRWERKSMÜHLE
SE427589B (en) HELIOGRAPH
FI773086A (en) BACKSPEGEL FOR FORDON
SE430308B (en) TERM
SE415534B (en) START STRENGHOLT
AT378100B (en) HALMERNTEGERAET
AR211563A1 (en) ELECTROLIZER
AT346259B (en) WEBSHIP
ATA307077A (en) ELECTROCARDIOSCOPE
SE437180B (en) FORBRENNINGSMOTOR
AT353213B (en) PIT REMOVAL UNIT
ATA64177A (en) SCHAEDLING INHIBITOR
AT349360B (en) UNMAGNETIC TREADMINES
DK513077A (en) TURNTABLE
AT356609B (en) CRYSTALIZER
AT346734B (en) SPRINGMINE
ATA940377A (en) SCHAEDLING INHIBITOR
FR2350624A1 (en) MICROFILMS PLAYER
SE411439B (en) HALLARE FOR BAR-FORMAL FOREMAL
AT371411B (en) SKIBOB
AT346041B (en) SHEDDACH

Legal Events

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