FR1454740A - Dispositif de soutènement pour mines - Google Patents

Dispositif de soutènement pour mines

Info

Publication number
FR1454740A
FR1454740A FR38737A FR38737A FR1454740A FR 1454740 A FR1454740 A FR 1454740A FR 38737 A FR38737 A FR 38737A FR 38737 A FR38737 A FR 38737A FR 1454740 A FR1454740 A FR 1454740A
Authority
FR
France
Prior art keywords
mines
support system
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.)
Expired
Application number
FR38737A
Other languages
English (en)
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.)
Dowty Mining Equipment Ltd
Original Assignee
Dowty Mining Equipment 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 Dowty Mining Equipment Ltd filed Critical Dowty Mining Equipment Ltd
Priority to FR38737A priority Critical patent/FR1454740A/fr
Application granted granted Critical
Publication of FR1454740A publication Critical patent/FR1454740A/fr
Expired legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D23/00Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
    • E21D23/08Advancing mechanisms
    • E21D23/081Advancing mechanisms forming parts of the roof supports
    • E21D23/085Advancing mechanisms forming parts of the roof supports acting on a conveyor or a guide for the mining machine
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D23/00Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
    • E21D23/04Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor
    • E21D23/0409Aligning or guiding means for the supports or for the constitutive parts of the supports

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)
FR38737A 1965-11-17 1965-11-17 Dispositif de soutènement pour mines Expired FR1454740A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR38737A FR1454740A (fr) 1965-11-17 1965-11-17 Dispositif de soutènement pour mines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR38737A FR1454740A (fr) 1965-11-17 1965-11-17 Dispositif de soutènement pour mines

Publications (1)

Publication Number Publication Date
FR1454740A true FR1454740A (fr) 1966-02-11

Family

ID=8592695

Family Applications (1)

Application Number Title Priority Date Filing Date
FR38737A Expired FR1454740A (fr) 1965-11-17 1965-11-17 Dispositif de soutènement pour mines

Country Status (1)

Country Link
FR (1) FR1454740A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2413538A1 (fr) * 1977-12-29 1979-07-27 Gewerk Eisenhuette Westfalia Dispositif d'avance pour soutenement hydraulique marchant

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2413538A1 (fr) * 1977-12-29 1979-07-27 Gewerk Eisenhuette Westfalia Dispositif d'avance pour soutenement hydraulique marchant

Similar Documents

Publication Publication Date Title
FR1510602A (fr) Dispositif de suspension perfectionné pour sièges
GB1135117A (en) Inertial navigation system
FR1517703A (fr) Dispositif de suspension pour véhicule
FR1504375A (fr) Dispositif de ventilation pour moissonneuse-batteuse
FR1486805A (fr) Dispositif de suspension pour véhicules
AT287418B (de) Schmieranlage
CH425362A (fr) Dispositif de soutien hydrostatique
CH459066A (de) Förderanlage
FR1426031A (fr) Appareil de support de toit pour mines
FR1454740A (fr) Dispositif de soutènement pour mines
FR1442777A (fr) Dispositif pour raccordement de tuyaux
FR1461172A (fr) Dispositif de suspension hydraulique pour véhicules
FR1501344A (fr) Dispositif de réception pour radar
FR1359021A (fr) Support affaissable pour soutènement de mines
FR1444421A (fr) Dispositif de chargement pour creuset
FR1432714A (fr) Dispositif de recentrage pour étançon de mines
FR1467346A (fr) Dispositif de suspension pour véhicules
FR1538708A (fr) Dispositif de soutènement pour exploitations minières
FR1459251A (fr) Dispositif pour polarographie
FR1469142A (fr) Dispositif de classement
FR1464022A (fr) Dispositif pour le balisage lumineux
FR1467203A (fr) Dispositif flexible pour les boulonnages
FR1459872A (fr) Dispositif de réfrigération perfectionné
FR1447844A (fr) Dispositif anti-éblouissant pour voies de communication
FR1406350A (fr) Dispositif mobile de soutènement pour mines