FR2287580A1 - Pile a fleche pour le soutenement, avec chapeau en porte a faux - Google Patents

Pile a fleche pour le soutenement, avec chapeau en porte a faux

Info

Publication number
FR2287580A1
FR2287580A1 FR7435354A FR7435354A FR2287580A1 FR 2287580 A1 FR2287580 A1 FR 2287580A1 FR 7435354 A FR7435354 A FR 7435354A FR 7435354 A FR7435354 A FR 7435354A FR 2287580 A1 FR2287580 A1 FR 2287580A1
Authority
FR
France
Prior art keywords
shield
roof
caving
shields
hinged
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
FR7435354A
Other languages
English (en)
French (fr)
Other versions
FR2287580B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html
Inventor
Paul Fanget
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.)
Bennes Marrel SA
Original Assignee
Bennes Marrel SA
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 Bennes Marrel SA filed Critical Bennes Marrel SA
Priority to FR7435354A priority Critical patent/FR2287580A1/fr
Priority to DE19752545605 priority patent/DE2545605A1/de
Publication of FR2287580A1 publication Critical patent/FR2287580A1/fr
Application granted granted Critical
Publication of FR2287580B1 publication Critical patent/FR2287580B1/fr
Granted 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
    • E21D23/0004—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
    • 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

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)
  • Excavating Of Shafts Or Tunnels (AREA)
  • Body Structure For Vehicles (AREA)
FR7435354A 1974-10-11 1974-10-11 Pile a fleche pour le soutenement, avec chapeau en porte a faux Granted FR2287580A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR7435354A FR2287580A1 (fr) 1974-10-11 1974-10-11 Pile a fleche pour le soutenement, avec chapeau en porte a faux
DE19752545605 DE2545605A1 (de) 1974-10-11 1975-10-11 Schildeinheit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7435354A FR2287580A1 (fr) 1974-10-11 1974-10-11 Pile a fleche pour le soutenement, avec chapeau en porte a faux

Publications (2)

Publication Number Publication Date
FR2287580A1 true FR2287580A1 (fr) 1976-05-07
FR2287580B1 FR2287580B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1984-07-06

Family

ID=9144329

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7435354A Granted FR2287580A1 (fr) 1974-10-11 1974-10-11 Pile a fleche pour le soutenement, avec chapeau en porte a faux

Country Status (2)

Country Link
DE (1) DE2545605A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR2287580A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2753059A1 (de) * 1976-12-07 1978-06-08 Charbonnages De France Stuetzpfeiler, der mittels eines eigenen antriebsmechanismus verfahrbar ist

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2753059A1 (de) * 1976-12-07 1978-06-08 Charbonnages De France Stuetzpfeiler, der mittels eines eigenen antriebsmechanismus verfahrbar ist

Also Published As

Publication number Publication date
DE2545605A1 (de) 1976-04-22
FR2287580B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1984-07-06

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Legal Events

Date Code Title Description
ST Notification of lapse