FR2576058B1 - WALKING SUPPORT PILE, ESPECIALLY FOR MINES - Google Patents

WALKING SUPPORT PILE, ESPECIALLY FOR MINES

Info

Publication number
FR2576058B1
FR2576058B1 FR8500811A FR8500811A FR2576058B1 FR 2576058 B1 FR2576058 B1 FR 2576058B1 FR 8500811 A FR8500811 A FR 8500811A FR 8500811 A FR8500811 A FR 8500811A FR 2576058 B1 FR2576058 B1 FR 2576058B1
Authority
FR
France
Prior art keywords
mines
support pile
walking support
walking
pile
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
FR8500811A
Other languages
French (fr)
Other versions
FR2576058A1 (en
Inventor
Paul Fanget
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.)
Bennes Marrel SA
Original Assignee
Bennes Marrel SA
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 Bennes Marrel SA filed Critical Bennes Marrel SA
Priority to FR8500811A priority Critical patent/FR2576058B1/en
Publication of FR2576058A1 publication Critical patent/FR2576058A1/en
Application granted granted Critical
Publication of FR2576058B1 publication Critical patent/FR2576058B1/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
    • E21D23/06—Special mine caps or special tops of pit-props for permitting step-by-step movement
    • E21D23/066—Pivoted cantilever extensions therefor
    • 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)
  • Bridges Or Land Bridges (AREA)
FR8500811A 1985-01-15 1985-01-15 WALKING SUPPORT PILE, ESPECIALLY FOR MINES Expired FR2576058B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8500811A FR2576058B1 (en) 1985-01-15 1985-01-15 WALKING SUPPORT PILE, ESPECIALLY FOR MINES

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8500811A FR2576058B1 (en) 1985-01-15 1985-01-15 WALKING SUPPORT PILE, ESPECIALLY FOR MINES

Publications (2)

Publication Number Publication Date
FR2576058A1 FR2576058A1 (en) 1986-07-18
FR2576058B1 true FR2576058B1 (en) 1987-12-31

Family

ID=9315451

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8500811A Expired FR2576058B1 (en) 1985-01-15 1985-01-15 WALKING SUPPORT PILE, ESPECIALLY FOR MINES

Country Status (1)

Country Link
FR (1) FR2576058B1 (en)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3848928A (en) * 1973-02-12 1974-11-19 Taiheiyo Coal Mining Co Ltd Pantographic wall protector and automatic controlling device thereof
DE2808487C2 (en) * 1978-02-28 1986-10-02 Gewerkschaft Eisenhütte Westfalia GmbH, 4670 Lünen Extraction facility for the extraction of seam-like deposits, especially of great thickness
GB2019476B (en) * 1978-04-20 1982-06-09 Huwood Ltd Sprag plates for mine roof supports
DE2900981B2 (en) * 1979-01-12 1980-10-30 Hermann Hemscheidt Maschinenfabrik Gmbh & Co, 5600 Wuppertal Pre-pledging device for hydraulic support racks
AT360935B (en) * 1979-05-03 1981-02-10 Voest Alpine Ag EXTENSION BLOCK
GB2048355A (en) * 1979-05-08 1980-12-10 Gewerk Eisenhuette Westfalia Mine roof supports
GB2074223A (en) * 1980-03-18 1981-10-28 Dobson Park Ind Root and coal face support
DE3021547A1 (en) * 1980-06-07 1981-12-17 Ruhrkohle Ag, 4300 Essen Mine-working shield support conveyor and travel section separator - has partitioning screen plates swivelling with conveyors superimposed plates

Also Published As

Publication number Publication date
FR2576058A1 (en) 1986-07-18

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Legal Events

Date Code Title Description
ST Notification of lapse