ES530396A0 - Un dispositivo de soporte de techo de mina. - Google Patents

Un dispositivo de soporte de techo de mina.

Info

Publication number
ES530396A0
ES530396A0 ES530396A ES530396A ES530396A0 ES 530396 A0 ES530396 A0 ES 530396A0 ES 530396 A ES530396 A ES 530396A ES 530396 A ES530396 A ES 530396A ES 530396 A0 ES530396 A0 ES 530396A0
Authority
ES
Spain
Prior art keywords
support device
roof support
mine roof
mine
support
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.)
Granted
Application number
ES530396A
Other languages
English (en)
Other versions
ES8503063A1 (es
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Joy Global Industries Ltd
Original Assignee
Dobson Park Industries Ltd
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 Dobson Park Industries Ltd filed Critical Dobson Park Industries Ltd
Publication of ES530396A0 publication Critical patent/ES530396A0/es
Publication of ES8503063A1 publication Critical patent/ES8503063A1/es
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
    • E21D23/0427—Shield operating devices; Hinges therefor
    • 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

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)
  • Conveying And Assembling Of Building Elements In Situ (AREA)
  • Earth Drilling (AREA)
  • Bridges Or Land Bridges (AREA)
  • Chain Conveyers (AREA)
ES530396A 1983-03-08 1984-03-08 Un dispositivo de soporte de techo de mina. Expired ES8503063A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08306354A GB2136040B (en) 1983-03-08 1983-03-08 Pivotal linkage of a mine roof support

Publications (2)

Publication Number Publication Date
ES530396A0 true ES530396A0 (es) 1985-02-01
ES8503063A1 ES8503063A1 (es) 1985-02-01

Family

ID=10539172

Family Applications (1)

Application Number Title Priority Date Filing Date
ES530396A Expired ES8503063A1 (es) 1983-03-08 1984-03-08 Un dispositivo de soporte de techo de mina.

Country Status (8)

Country Link
US (1) US4563111A (es)
AU (1) AU566329B2 (es)
DE (2) DE8406890U1 (es)
ES (1) ES8503063A1 (es)
FR (1) FR2542370B1 (es)
GB (1) GB2136040B (es)
IN (1) IN159656B (es)
ZA (1) ZA841702B (es)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2155089A (en) * 1984-03-02 1985-09-18 Dobson Park Ind Mine roof support with rear linkage

Family Cites Families (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD4818A (es) *
GB1182925A (en) * 1966-12-16 1970-03-04 Gullick Dobson Ltd Improvements in or relating to Mine Roof Supports.
GB1213019A (en) * 1968-02-16 1970-11-18 Wild A G & Co Ltd Improvements in or relating to underground roof support systems
DE2309670C2 (de) * 1973-02-27 1974-09-05 Becorit Grubenausbau Gmbh, 4350 Recklinghausen Mit einer Versatzabschirmung versehenes Ausbaugestell für den Strebausbau im untertägigen Grubenbetrieb
DE2403834C3 (de) * 1974-01-28 1979-06-21 Gewerkschaft Eisenhuette Westfalia, 4670 Luenen Schildausbaugestell
DE2431740B2 (de) * 1974-07-02 1981-04-02 Johannes 4300 Essen Winkler Schildausbau für den Untertagebergbau
GB1517763A (en) * 1974-07-02 1978-07-12 Winkler J Underground mine roof support
DE2447429A1 (de) * 1974-07-02 1976-04-08 Johannes Winkler Schildausbau mit kappenlenkvorrichtung
DE2540048C2 (de) * 1975-09-09 1984-01-26 Klöckner-Werke AG, 4100 Duisburg Vorrichtung mit einem Rückzylinder für ein mit einem Strebförderer wanderndes Schildausbaugestell und mit einem Schubkolbengetriebe zum Anheben des Kohlenstoßseitigen Endes der Liegendschwelle während des Rückens
GB1569822A (en) * 1976-02-03 1980-06-18 Bochumer Eisen Heintzmann Roof-supporting frame of the caving shield type for underground workings in mines
GB1557814A (en) * 1976-03-13 1979-12-12 Dowty Mining Equipment Ltd Mine roof support
US4026118A (en) * 1976-07-14 1977-05-31 The United States Of America As Represented By The Secretary Of The Interior Movable roof support mechanism
DE2650351A1 (de) * 1976-11-03 1978-05-11 Bochumer Eisen Heintzmann Universal-verbindungsvorrichtung
DE2705140C2 (de) * 1977-02-08 1979-12-20 Thyssen Industrie Ag, 4300 Essen Mit einem Strebförderer verbundene Rückvorrichtung für ein Schreitausbaugestell
GB1568151A (en) * 1977-04-26 1980-05-29 Fletcher Sutcliffe Wild Ltd Mine roof supports
GB1582305A (en) * 1977-04-27 1981-01-07 Oroszlanyi Szenbanyak Apparatus for supporting mine roofs
DE2721381C3 (de) * 1977-05-12 1986-03-27 Klöckner-Becorit GmbH, 4620 Castrop-Rauxel Vorrichtung zur Stabilisierung einer hydraulischen Ausbaueinheit
US4079792A (en) * 1977-06-15 1978-03-21 Mining Equipment Division, A Division Of Fmc Corporation Mine roof support for a mobile drilling machine
DE2745429C2 (de) * 1977-10-08 1983-10-20 Bochumer Eisenhütte Heintzmann GmbH & Co, 4630 Bochum Wandernder Hilfsausbau für den Übergangsbereich Streb-Strecke
AT350991B (de) * 1977-11-14 1979-06-25 Voest Ag Schildausbaugestell
DE2840835C2 (de) * 1978-09-20 1986-03-06 Klöckner-Becorit GmbH, 4620 Castrop-Rauxel Schildausbaugestell für untertägige Strebbetriebe
DE2841190A1 (de) * 1978-09-22 1980-04-03 Thyssen Industrie Schildausbaugestell zur verwendung im untertaegigen grubenbetrieb, mit lemniskatenlenkern
DE2850073A1 (de) * 1978-11-18 1980-05-29 Fletcher Sutcliffe Wild Ltd Grubenausbau, insbesondere strebausbau
GB2062738B (en) * 1979-11-09 1983-05-18 Dobson Park Ind Mine roof support elevated platform
DE3003806A1 (de) * 1980-02-02 1981-08-13 Bergwerksverband Gmbh Schildausbaugestell
GB2082237B (en) * 1980-08-16 1983-11-09 Dowty Mining Equipment Ltd Mine roof supports
GB2087963B (en) * 1980-11-22 1984-05-31 Dowty Mining Equipment Ltd Shield supports suitable for use in mines
DE3150411A1 (de) * 1981-12-19 1983-06-30 Thyssen Industrie Ag, 4300 Essen Ausbaugestell mit zusatztempel

Also Published As

Publication number Publication date
AU2541784A (en) 1984-09-13
IN159656B (es) 1987-05-30
AU566329B2 (en) 1987-10-15
US4563111A (en) 1986-01-07
GB2136040A (en) 1984-09-12
FR2542370A1 (fr) 1984-09-14
GB2136040B (en) 1986-06-11
DE8406890U1 (de) 1987-08-20
GB8306354D0 (en) 1983-04-13
DE3408255A1 (de) 1984-10-25
FR2542370B1 (fr) 1988-01-08
ZA841702B (en) 1984-10-31
ES8503063A1 (es) 1985-02-01

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19981103