PL90458B1 - - Google Patents

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Publication number
PL90458B1
PL90458B1 PL1974170428A PL17042874A PL90458B1 PL 90458 B1 PL90458 B1 PL 90458B1 PL 1974170428 A PL1974170428 A PL 1974170428A PL 17042874 A PL17042874 A PL 17042874A PL 90458 B1 PL90458 B1 PL 90458B1
Authority
PL
Poland
Prior art keywords
housing
cylinder
side wall
lying
bridge
Prior art date
Application number
PL1974170428A
Other languages
English (en)
Polish (pl)
Original Assignee
Gewerkschaft Eisenhuette Westfalia 4628 Altluenen
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 Eisenhuette Westfalia 4628 Altluenen filed Critical Gewerkschaft Eisenhuette Westfalia 4628 Altluenen
Publication of PL90458B1 publication Critical patent/PL90458B1/pl

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
    • E21D23/0004—Mine 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
    • E21D23/0034—Mine 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 comprising a goaf shield articulated to a base member
    • E21D23/0039—Mine 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 comprising a goaf shield articulated to a base member and supported by a strut or by a row of struts parallel to the working face
    • 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)
  • Geochemistry & Mineralogy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Lining And Supports For Tunnels (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
  • Chain Conveyers (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
  • Manipulator (AREA)
PL1974170428A 1973-04-19 1974-04-17 PL90458B1 (en, 2012)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2319909A DE2319909C2 (de) 1973-04-19 1973-04-19 Schildausbaugestell mit seitlich ausstellbarer Abstütz- und Verzugseinrichtung

Publications (1)

Publication Number Publication Date
PL90458B1 true PL90458B1 (en, 2012) 1977-01-31

Family

ID=5878637

Family Applications (1)

Application Number Title Priority Date Filing Date
PL1974170428A PL90458B1 (en, 2012) 1973-04-19 1974-04-17

Country Status (12)

Country Link
US (1) US3911686A (en, 2012)
JP (1) JPS5743720B2 (en, 2012)
BE (1) BE812443A (en, 2012)
CA (1) CA990959A (en, 2012)
CS (1) CS208168B2 (en, 2012)
DE (1) DE2319909C2 (en, 2012)
ES (1) ES425435A1 (en, 2012)
FR (1) FR2226550B1 (en, 2012)
GB (1) GB1470436A (en, 2012)
HU (1) HU169525B (en, 2012)
PL (1) PL90458B1 (en, 2012)
SU (1) SU588930A3 (en, 2012)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1516637A (en) * 1974-11-23 1978-07-05 Gullick Dobson Ltd Mine roof supports
DE2525034C2 (de) * 1975-06-05 1981-01-08 Becorit Grubenausbau Gmbh, 4350 Recklinghausen Kappe für Strebausbauelemente
GB1494284A (en) * 1975-07-19 1977-12-07 Gullick Dobson Ltd Self-advancing mine roof supports
AT337639B (de) * 1975-09-26 1977-07-11 Voest Alpine Montan Ag Schildausbau
DE2744992C2 (de) * 1977-10-06 1989-09-21 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Schreitwerk für einen Schild- oder Bockausbau u.dgl.
DE2853050C2 (de) * 1978-12-08 1985-10-03 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Seitliche Abdichtungsvorrichtung für einen Ausbaurahmen im untertägigen Bergbau
US4432673A (en) * 1981-04-25 1984-02-21 Dowty Mining Equipment Limited Mine roof support
DE19953526B4 (de) * 1999-11-05 2008-05-29 Dbt Gmbh Ausbaugestell für große Flözmächtigkeiten mit einer gesteuerten Spaltabdichtung

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1302918C2 (de) * 1965-10-02 1975-04-24 Gewerkschaft Eisenhütte Westfalia, 4628 Altlünen Wandernder strebausbau
GB1160513A (en) * 1966-03-04 1969-08-06 Karl Maria Groetschel Improvements relating to Roof Supports for Mine Workings.
DE1277789B (de) * 1967-01-13 1968-09-19 Gewerk Eisenhuette Westfalia Hydraulisch wanderndes Ausbaugestell
DE1948280A1 (de) * 1969-09-24 1971-04-01 Krampe & Co Verzug fuer den wandernden Strebausbau
HU162717B (en, 2012) * 1971-03-05 1973-04-28
DE2128023B2 (de) * 1971-06-05 1974-04-18 Kloeckner-Werke Ag, 4100 Duisburg Wandernder Strebausbau mit nebeneinander angeordneten Ausbauschilden
US3728863A (en) * 1971-09-14 1973-04-24 Gewerk Eisenhuette Westfalia Mine roof support assemblies
US3837170A (en) * 1972-03-06 1974-09-24 Banyaszati Kutato Intezet Sealing and position rectifying mechanism for shield supports

Also Published As

Publication number Publication date
CS208168B2 (en) 1981-08-31
JPS5743720B2 (en, 2012) 1982-09-16
CA990959A (en) 1976-06-15
US3911686A (en) 1975-10-14
HU169525B (en, 2012) 1976-12-28
FR2226550B1 (en, 2012) 1982-10-01
AU6752774A (en) 1975-10-09
BE812443A (fr) 1974-07-15
DE2319909C2 (de) 1982-07-01
SU588930A3 (ru) 1978-01-15
ES425435A1 (es) 1976-06-01
GB1470436A (en) 1977-04-14
JPS5014127A (en, 2012) 1975-02-14
DE2319909A1 (de) 1974-11-07
FR2226550A1 (en, 2012) 1974-11-15

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