BE680651A - - Google Patents

Info

Publication number
BE680651A
BE680651A BE680651DA BE680651A BE 680651 A BE680651 A BE 680651A BE 680651D A BE680651D A BE 680651DA BE 680651 A BE680651 A BE 680651A
Authority
BE
Belgium
Application number
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 BE680651A publication Critical patent/BE680651A/xx

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D17/00—Caps for supporting mine roofs
    • E21D17/02—Cantilever extension or similar protecting devices
    • E21D17/08—Cap joints for obtaining a coal-face free of pit-props
    • E21D17/082—Cap joints for obtaining a coal-face free of pit-props of sliding type
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D17/00—Caps for supporting mine roofs
    • E21D17/02—Cantilever extension or similar protecting devices
    • E21D17/0206—Hydraulically operated extension devices
    • 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
    • E21D23/06—Special mine caps or special tops of pit-props for permitting step-by-step movement
    • E21D23/063—Retractable cantilever extensions therefor

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)
  • Bridges Or Land Bridges (AREA)
  • Door And Window Frames Mounted To Openings (AREA)
  • Soil Working Implements (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
  • Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
BE680651D 1965-05-08 1966-05-06 BE680651A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEG43547A DE1221177B (de) 1965-05-08 1965-05-08 Kappenzug fuer rueckbare hydraulische Ausbaugestelle mit Vorpfaendkappen

Publications (1)

Publication Number Publication Date
BE680651A true BE680651A (enrdf_load_stackoverflow) 1966-11-07

Family

ID=7127212

Family Applications (1)

Application Number Title Priority Date Filing Date
BE680651D BE680651A (enrdf_load_stackoverflow) 1965-05-08 1966-05-06

Country Status (6)

Country Link
US (1) US3312071A (enrdf_load_stackoverflow)
BE (1) BE680651A (enrdf_load_stackoverflow)
DE (1) DE1221177B (enrdf_load_stackoverflow)
ES (1) ES326458A1 (enrdf_load_stackoverflow)
GB (1) GB1136275A (enrdf_load_stackoverflow)
NL (1) NL6606009A (enrdf_load_stackoverflow)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1483910B1 (de) * 1966-11-16 1969-11-06 Groetschel Dipl Ing Karl M Wanderausbauaggregat in Form eines Dreiergespannes
DE7033832U (de) * 1970-09-11 1971-01-28 Gewerk Eisenhuette Westfalia Gelenkkappe fuer einen wandernden ausbau von bergmaennischen gewinnungsbetrieben.
GB1329125A (en) * 1970-12-02 1973-09-05 Gullick Dobson Ltd Mine roof supports
DE2105795A1 (de) * 1971-02-08 1972-10-05 Hermann Hemscheidt, Maschinenfabrik, 5600 Wuppertal Gelenkverbindung für Kappen von hydraulischem Schreitausbau
US3877234A (en) * 1973-05-04 1975-04-15 Banyaszati Kutato Intezet Advanceable shield support
FR2302411A1 (fr) * 1975-02-27 1976-09-24 Lorraine Houilleres Chapeau telescopique de soutenement
GB1502131A (en) * 1975-05-22 1978-02-22 Fletcher Sutcliffe Wild Ltd Mine roof supports

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE900508C (de) * 1950-05-26 1953-12-28 Daimler Benz Ag Regelvorrichtung fuer Brennstoffeinspritzpumpen
DE915206C (de) * 1951-11-28 1954-08-09 Alois Schubert Buerste mit einsetzbarem Borstentraeger
DE1164351B (de) * 1954-09-10 1964-03-05 Hansjoachim Von Hippel Dr Ing Vorpfaendkappe fuer Stempelausbau
FR1176512A (fr) * 1956-06-05 1959-04-13 Hoesch Westfalenhuette Ag Dispositif de boisage
DE1182188B (de) * 1956-06-05 1964-11-26 Hoesch Ag Vorpfaendeinrichtung
FR1167165A (fr) * 1957-02-22 1958-11-21 Piédroit pour mines
US3216202A (en) * 1962-11-09 1965-11-09 Gullick Ltd Roof supporting means for mines

Also Published As

Publication number Publication date
ES326458A1 (es) 1967-03-01
GB1136275A (en) 1968-12-11
NL6606009A (enrdf_load_stackoverflow) 1966-11-10
DE1221177B (de) 1966-07-21
US3312071A (en) 1967-04-04

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: GEWERKSCHAFT EISENHUTTE WESTFALIA

Effective date: 19850506