FR1250713A - Soutènement de toit de mine - Google Patents

Soutènement de toit de mine

Info

Publication number
FR1250713A
FR1250713A FR813684A FR813684A FR1250713A FR 1250713 A FR1250713 A FR 1250713A FR 813684 A FR813684 A FR 813684A FR 813684 A FR813684 A FR 813684A FR 1250713 A FR1250713 A FR 1250713A
Authority
FR
France
Prior art keywords
roof support
mine roof
mine
support
roof
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
FR813684A
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.)
Gullick Ltd
Original Assignee
Gullick 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 Gullick Ltd filed Critical Gullick Ltd
Priority to FR813684A priority Critical patent/FR1250713A/fr
Application granted granted Critical
Publication of FR1250713A publication Critical patent/FR1250713A/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)
FR813684A 1959-12-21 1959-12-21 Soutènement de toit de mine Expired FR1250713A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR813684A FR1250713A (fr) 1959-12-21 1959-12-21 Soutènement de toit de mine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR813684A FR1250713A (fr) 1959-12-21 1959-12-21 Soutènement de toit de mine

Publications (1)

Publication Number Publication Date
FR1250713A true FR1250713A (fr) 1961-01-13

Family

ID=8722846

Family Applications (1)

Application Number Title Priority Date Filing Date
FR813684A Expired FR1250713A (fr) 1959-12-21 1959-12-21 Soutènement de toit de mine

Country Status (1)

Country Link
FR (1) FR1250713A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3197966A (en) * 1960-02-18 1965-08-03 Gullick Ltd Roof supporting means for mines
DE1224249B (de) * 1965-05-31 1966-09-08 Hermann Schwarz Kommanditgesel Ausbaugestell fuer einen schreitenden Grubenausbau

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3197966A (en) * 1960-02-18 1965-08-03 Gullick Ltd Roof supporting means for mines
DE1224249B (de) * 1965-05-31 1966-09-08 Hermann Schwarz Kommanditgesel Ausbaugestell fuer einen schreitenden Grubenausbau

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