FR1295258A - Perfectionnements apportés aux haveuses - Google Patents

Perfectionnements apportés aux haveuses

Info

Publication number
FR1295258A
FR1295258A FR868266A FR868266A FR1295258A FR 1295258 A FR1295258 A FR 1295258A FR 868266 A FR868266 A FR 868266A FR 868266 A FR868266 A FR 868266A FR 1295258 A FR1295258 A FR 1295258A
Authority
FR
France
Prior art keywords
shearers
improvements made
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
FR868266A
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.)
Coal Industry Patents Ltd
Original Assignee
Coal Industry Patents 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 Coal Industry Patents Ltd filed Critical Coal Industry Patents Ltd
Priority to FR868266A priority Critical patent/FR1295258A/fr
Application granted granted Critical
Publication of FR1295258A publication Critical patent/FR1295258A/fr
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
    • E21D9/10—Making by using boring or cutting machines
    • E21D9/1086—Drives or transmissions specially adapted therefor
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
    • E21D9/10—Making by using boring or cutting machines
    • E21D9/1006—Making by using boring or cutting machines with rotary cutting tools
    • E21D9/1013—Making by using boring or cutting machines with rotary cutting tools on a tool-carrier supported by a movable boom
    • E21D9/1033—Making by using boring or cutting machines with rotary cutting tools on a tool-carrier supported by a movable boom by a transversely extending boom being pivotable about a longitudinal axis

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
FR868266A 1961-07-18 1961-07-18 Perfectionnements apportés aux haveuses Expired FR1295258A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR868266A FR1295258A (fr) 1961-07-18 1961-07-18 Perfectionnements apportés aux haveuses

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR868266A FR1295258A (fr) 1961-07-18 1961-07-18 Perfectionnements apportés aux haveuses

Publications (1)

Publication Number Publication Date
FR1295258A true FR1295258A (fr) 1962-06-01

Family

ID=8759541

Family Applications (1)

Application Number Title Priority Date Filing Date
FR868266A Expired FR1295258A (fr) 1961-07-18 1961-07-18 Perfectionnements apportés aux haveuses

Country Status (1)

Country Link
FR (1) FR1295258A (fr)

Similar Documents

Publication Publication Date Title
FR1315808A (fr) Perfectionnements aux turbo-compresseurs
FR1468644A (fr) Perfectionnements apportés aux balançoires
FR1319709A (fr) Perfectionnements aux broyeurs
FR1294280A (fr) Perfectionnements apportés aux abat-jour
FR83086E (fr) Perfectionnements aux haveuses
FR1286742A (fr) Perfectionnements aux réfrigérateurs
FR1285959A (fr) Perfectionnements aux bogies
FR1295258A (fr) Perfectionnements apportés aux haveuses
FR1313248A (fr) Perfectionnements aux sous-plafonds
FR1301288A (fr) Perfectionnements aux tubes-broyeurs
FR1289219A (fr) Perfectionnements aux haveuses
FR1308654A (fr) Perfectionnements apportés aux fichiers
FR1316690A (fr) Perfectionnements aux caillebotis
FR1301416A (fr) Perfectionnements apportés aux connecteurs
FR1293048A (fr) Perfectionnements aux défibreurs
BE606475A (fr) Perfectionnements apportés aux haveuses.
FR1324411A (fr) Perfectionnements aux tellurohmmètres
FR1288773A (fr) Perfectionnements apportés aux ressorts
FR80622E (fr) Perfectionnements apportés aux ressorts
FR1284923A (fr) Perfectionnements aux gouttières
FR1312484A (fr) Perfectionnements aux réfrigérateurs
FR1286067A (fr) Perfectionnements apportés aux hydrogénateurs
FR1321303A (fr) Perfectionnements aux turbo-réacteurs
FR1311827A (fr) Perfectionnements aux boudineuses
FR1294661A (fr) Perfectionnements aux jalousies