FR1337706A - Improvement in mechanical progression mine supports - Google Patents

Improvement in mechanical progression mine supports

Info

Publication number
FR1337706A
FR1337706A FR914039A FR914039A FR1337706A FR 1337706 A FR1337706 A FR 1337706A FR 914039 A FR914039 A FR 914039A FR 914039 A FR914039 A FR 914039A FR 1337706 A FR1337706 A FR 1337706A
Authority
FR
France
Prior art keywords
improvement
mine supports
progression
mechanical
mechanical progression
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
FR914039A
Other languages
French (fr)
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 FR914039A priority Critical patent/FR1337706A/en
Application granted granted Critical
Publication of FR1337706A publication Critical patent/FR1337706A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D17/00—Caps for supporting mine roofs
    • E21D17/02—Cantilever extension or similar protecting devices
    • E21D17/08—Cap joints for obtaining a coal-face free of pit-props
    • E21D17/082—Cap joints for obtaining a coal-face free of pit-props of sliding type
    • 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)
FR914039A 1962-10-31 1962-10-31 Improvement in mechanical progression mine supports Expired FR1337706A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR914039A FR1337706A (en) 1962-10-31 1962-10-31 Improvement in mechanical progression mine supports

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR914039A FR1337706A (en) 1962-10-31 1962-10-31 Improvement in mechanical progression mine supports

Publications (1)

Publication Number Publication Date
FR1337706A true FR1337706A (en) 1963-09-13

Family

ID=8789903

Family Applications (1)

Application Number Title Priority Date Filing Date
FR914039A Expired FR1337706A (en) 1962-10-31 1962-10-31 Improvement in mechanical progression mine supports

Country Status (1)

Country Link
FR (1) FR1337706A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3270510A (en) * 1962-12-05 1966-09-06 Gullick Ltd Mine roof and like supports
DE1278978B (en) * 1965-01-15 1968-10-03 Gullick Ltd Migrating expansion element for underground mining operations
DE1483910B1 (en) * 1966-11-16 1969-11-06 Groetschel Dipl Ing Karl M Traveling extension unit in the form of a three-man team
DE1583071B1 (en) * 1966-10-11 1971-12-02 Bennes Marrel Sa Longwall construction unit

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3270510A (en) * 1962-12-05 1966-09-06 Gullick Ltd Mine roof and like supports
DE1278978B (en) * 1965-01-15 1968-10-03 Gullick Ltd Migrating expansion element for underground mining operations
DE1583071B1 (en) * 1966-10-11 1971-12-02 Bennes Marrel Sa Longwall construction unit
DE1483910B1 (en) * 1966-11-16 1969-11-06 Groetschel Dipl Ing Karl M Traveling extension unit in the form of a three-man team

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