FR1362846A - Support de toit pour mines - Google Patents

Support de toit pour mines

Info

Publication number
FR1362846A
FR1362846A FR939789A FR939789A FR1362846A FR 1362846 A FR1362846 A FR 1362846A FR 939789 A FR939789 A FR 939789A FR 939789 A FR939789 A FR 939789A FR 1362846 A FR1362846 A FR 1362846A
Authority
FR
France
Prior art keywords
mines
roof support
roof
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
FR939789A
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 FR939789A priority Critical patent/FR1362846A/fr
Application granted granted Critical
Publication of FR1362846A publication Critical patent/FR1362846A/fr
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
    • E21D23/0052—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

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)
FR939789A 1963-06-28 1963-06-28 Support de toit pour mines Expired FR1362846A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR939789A FR1362846A (fr) 1963-06-28 1963-06-28 Support de toit pour mines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR939789A FR1362846A (fr) 1963-06-28 1963-06-28 Support de toit pour mines

Publications (1)

Publication Number Publication Date
FR1362846A true FR1362846A (fr) 1964-06-05

Family

ID=8807206

Family Applications (1)

Application Number Title Priority Date Filing Date
FR939789A Expired FR1362846A (fr) 1963-06-28 1963-06-28 Support de toit pour mines

Country Status (1)

Country Link
FR (1) FR1362846A (fr)

Similar Documents

Publication Publication Date Title
CH403509A (fr) Toit pour véhicule décapotable
FR1456383A (fr) Soutènement de toit pour galeries d'abatage
FR1426031A (fr) Appareil de support de toit pour mines
OA01297A (fr) Lève-vitre perfectionné pour véhicules.
FR1375639A (fr) Soutènement de toit de mine ou similaire
FR1375878A (fr) Support de toit de mine
FR1302724A (fr) Soutènement de toit pour mines
FR1362846A (fr) Support de toit pour mines
FR1359021A (fr) Support affaissable pour soutènement de mines
CH434660A (de) Dach-Oberlicht
FI35134A (fi) Tasakaton kattokaivo
AT258135B (de) Fahrzeugdach
CH396376A (fr) Toit
FR1340145A (fr) Support de toit de mine
FR1341420A (fr) Support de toit pour mine
FR1466514A (fr) Support pour toit de mine
FR1438708A (fr) Toit ouvrant pour véhicules
FR1372469A (fr) Camion, en particulier pour la mine
FR1374113A (fr) Soutènement pneumatique pour mines
FR1388113A (fr) Toit ouvrant pour véhicules
FR84936E (fr) Galerie de toit perfectionnée
FR1359017A (fr) étançon hydraulique pour mines
FR1357503A (fr) Porte-bagages pour toit de voiture
FR1528006A (fr) Support de toit de mine
FR1349090A (fr) Crochet de toit