FR2655685B1 - Engin pour la manipulation de dalles de plafond dans une exploitation miniere. - Google Patents

Engin pour la manipulation de dalles de plafond dans une exploitation miniere.

Info

Publication number
FR2655685B1
FR2655685B1 FR8916303A FR8916303A FR2655685B1 FR 2655685 B1 FR2655685 B1 FR 2655685B1 FR 8916303 A FR8916303 A FR 8916303A FR 8916303 A FR8916303 A FR 8916303A FR 2655685 B1 FR2655685 B1 FR 2655685B1
Authority
FR
France
Prior art keywords
machine
mining operation
ceiling slabs
handling
handling ceiling
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 - Lifetime
Application number
FR8916303A
Other languages
English (en)
Other versions
FR2655685A1 (fr
Inventor
Marion Rene
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to FR8916303A priority Critical patent/FR2655685B1/fr
Publication of FR2655685A1 publication Critical patent/FR2655685A1/fr
Application granted granted Critical
Publication of FR2655685B1 publication Critical patent/FR2655685B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • E21D23/08—Advancing mechanisms
    • E21D23/081—Advancing mechanisms forming parts of the roof supports
    • E21D23/087—Advancing mechanisms forming parts of the roof supports acting directly on the walls of the seam
    • E21D23/088—Advancing mechanisms forming parts of the roof supports acting directly on the walls of the seam by means of wheels, rollers, caterpillars, belts or worm screws
    • 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

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)
  • Toys (AREA)
FR8916303A 1989-12-08 1989-12-08 Engin pour la manipulation de dalles de plafond dans une exploitation miniere. Expired - Lifetime FR2655685B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8916303A FR2655685B1 (fr) 1989-12-08 1989-12-08 Engin pour la manipulation de dalles de plafond dans une exploitation miniere.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8916303A FR2655685B1 (fr) 1989-12-08 1989-12-08 Engin pour la manipulation de dalles de plafond dans une exploitation miniere.

Publications (2)

Publication Number Publication Date
FR2655685A1 FR2655685A1 (fr) 1991-06-14
FR2655685B1 true FR2655685B1 (fr) 1992-03-13

Family

ID=9388326

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8916303A Expired - Lifetime FR2655685B1 (fr) 1989-12-08 1989-12-08 Engin pour la manipulation de dalles de plafond dans une exploitation miniere.

Country Status (1)

Country Link
FR (1) FR2655685B1 (fr)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2093102B (en) * 1981-01-27 1984-06-20 Fletcher Sutcliffe Wild Ltd Mine roof support
FR2600374B1 (fr) * 1986-06-19 1988-09-23 Charbonnages De France Procede d'exploitation de mines ou carrieres souterraines par enlevures descendantes et foudroyage et installation pour sa mise en oeuvre

Also Published As

Publication number Publication date
FR2655685A1 (fr) 1991-06-14

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Legal Events

Date Code Title Description
ST Notification of lapse