FR1377895A - Retaining device with protective screen for mines - Google Patents

Retaining device with protective screen for mines

Info

Publication number
FR1377895A
FR1377895A FR958144A FR958144A FR1377895A FR 1377895 A FR1377895 A FR 1377895A FR 958144 A FR958144 A FR 958144A FR 958144 A FR958144 A FR 958144A FR 1377895 A FR1377895 A FR 1377895A
Authority
FR
France
Prior art keywords
mines
retaining device
protective screen
protective
screen
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
FR958144A
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.)
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 FR958144A priority Critical patent/FR1377895A/en
Application granted granted Critical
Publication of FR1377895A publication Critical patent/FR1377895A/en
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
    • E21D23/04—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
    • E21D23/0454—Trailing plates; Coal face or goaf side sprags

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
FR958144A 1963-12-23 1963-12-23 Retaining device with protective screen for mines Expired FR1377895A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR958144A FR1377895A (en) 1963-12-23 1963-12-23 Retaining device with protective screen for mines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR958144A FR1377895A (en) 1963-12-23 1963-12-23 Retaining device with protective screen for mines

Publications (1)

Publication Number Publication Date
FR1377895A true FR1377895A (en) 1964-11-06

Family

ID=8819500

Family Applications (1)

Application Number Title Priority Date Filing Date
FR958144A Expired FR1377895A (en) 1963-12-23 1963-12-23 Retaining device with protective screen for mines

Country Status (1)

Country Link
FR (1) FR1377895A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2410125A1 (en) * 1977-11-25 1979-06-22 Gewerk Eisenhuette Westfalia Mine support behind face conveyor - has screen behind conveyor formed by horizontal tubes with suspension chains

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2410125A1 (en) * 1977-11-25 1979-06-22 Gewerk Eisenhuette Westfalia Mine support behind face conveyor - has screen behind conveyor formed by horizontal tubes with suspension chains

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