GB1226778A - - Google Patents

Info

Publication number
GB1226778A
GB1226778A GB1226778DA GB1226778A GB 1226778 A GB1226778 A GB 1226778A GB 1226778D A GB1226778D A GB 1226778DA GB 1226778 A GB1226778 A GB 1226778A
Authority
GB
United Kingdom
Prior art keywords
interconnected
jacks
series
chocks
july
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.)
Expired
Application number
Other languages
English (en)
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 filed Critical
Publication of GB1226778A publication Critical patent/GB1226778A/en
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
    • E21D23/04—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
    • E21D23/0454—Trailing plates; Coal face or goaf side sprags
    • 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
    • E21D23/0052—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor with advancing shifting devices connected therewith
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F15/00—Methods or devices for placing filling-up materials in underground workings
    • E21F15/02—Supporting means, e.g. shuttering, for filling-up materials
    • E21F15/04—Stowing mats; Goaf wire netting; Partition walls

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)
  • Tents Or Canopies (AREA)
  • Lining And Supports For Tunnels (AREA)
  • Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
  • Earth Drilling (AREA)
GB1226778D 1967-07-25 1968-07-24 Expired GB1226778A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR115460A FR1547489A (fr) 1967-07-25 1967-07-25 Double rideau articulé de soutènement marchant pour gisements inclinés

Publications (1)

Publication Number Publication Date
GB1226778A true GB1226778A (enrdf_load_stackoverflow) 1971-03-31

Family

ID=8635693

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1226778D Expired GB1226778A (enrdf_load_stackoverflow) 1967-07-25 1968-07-24

Country Status (5)

Country Link
JP (1) JPS4818682B1 (enrdf_load_stackoverflow)
DE (1) DE1758697B1 (enrdf_load_stackoverflow)
ES (1) ES153039Y (enrdf_load_stackoverflow)
FR (1) FR1547489A (enrdf_load_stackoverflow)
GB (1) GB1226778A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3813886A (en) * 1973-01-02 1974-06-04 G Alacchi Travelling shoring apparatus

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2942943C2 (de) * 1979-10-24 1981-11-26 Hermann Hemscheidt Maschinenfabrik Gmbh & Co, 5600 Wuppertal Vorrichtung zum Aufrechterhalten des vorgegebenen Mittenabstandes der Ausbauelemente eines Schreitausbaues für den Langfrontenabbau
PL131871B1 (en) * 1980-06-19 1985-01-31 Ct Kt Maszyn Gorniczych Komag Shiftable filling dam
DE3334004C1 (de) * 1983-09-21 1985-04-04 Klöckner-Becorit GmbH, 4620 Castrop-Rauxel Schreitausbau und Verfahren zum Umsetzen eines mit Schreitausbau ausgerüsteten Gewinnungsstrebes

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1028516B (de) * 1955-07-22 1958-04-24 Arnold Haarmann Dr Ing Wandernder Grubenausbau fuer bergmaennische Gewinnungsbetriebe
DE1094212B (de) * 1956-04-06 1960-12-08 Bergwerksverband Ges Mit Besch Ausbaueinheit fuer den Abbau in steiler Lagerung und Ausbauverfahren unter Verwendung solcher Ausbaueinheiten
DE1215633B (de) * 1960-08-31 1966-05-05 Gullick Ltd Wanderpfeilerausbau fuer Strebe in geneigter Lagerung
FR1368750A (fr) * 1963-01-22 1964-08-07 Houilleres Bassin Du Nord Perfectionnement aux piles de soutènement
DE1232909B (de) * 1965-07-09 1967-01-26 Hoesch Bergbautechnik G M B H Schreitender Strebausbau, insbesondere fuer die steile Lagerung
DE1248594B (de) * 1965-10-20 1967-08-31 Kloeckner Werke Ag Wandernder Strebausbau fuer Streben der geneigten Lagerung
DE1962916A1 (de) * 1969-12-16 1971-06-24 Bosch Gmbh Robert Steuerung von Ein- und Auslassventilen bei Brennkraftmaschinen durch Fluessigkeit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3813886A (en) * 1973-01-02 1974-06-04 G Alacchi Travelling shoring apparatus

Also Published As

Publication number Publication date
ES153039Y (es) 1970-10-16
FR1547489A (fr) 1968-11-29
ES153039U (es) 1970-02-16
DE1758697B1 (de) 1971-05-13
JPS4818682B1 (enrdf_load_stackoverflow) 1973-06-07

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees