FR666656A - Perfectionnements aux appareils excavateurs ou perceurs - Google Patents

Perfectionnements aux appareils excavateurs ou perceurs

Info

Publication number
FR666656A
FR666656A FR666656DA FR666656A FR 666656 A FR666656 A FR 666656A FR 666656D A FR666656D A FR 666656DA FR 666656 A FR666656 A FR 666656A
Authority
FR
France
Prior art keywords
excavating
drilling devices
drilling
devices
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
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.)
FRANCOIS CEMENTATION CO Ltd
Original Assignee
FRANCOIS CEMENTATION CO 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 FRANCOIS CEMENTATION CO Ltd filed Critical FRANCOIS CEMENTATION CO Ltd
Application granted granted Critical
Publication of FR666656A publication Critical patent/FR666656A/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
    • E21D9/1006—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
    • E21D9/102—Making by using boring or cutting machines with rotary cutting tools on a tool-carrier supported by a movable boom by a longitudinally extending boom being pivotable about a vertical and a transverse 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)
FR666656D 1927-06-14 1928-05-26 Perfectionnements aux appareils excavateurs ou perceurs Expired FR666656A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB666656X 1927-06-14

Publications (1)

Publication Number Publication Date
FR666656A true FR666656A (fr) 1929-10-04

Family

ID=10491360

Family Applications (1)

Application Number Title Priority Date Filing Date
FR666656D Expired FR666656A (fr) 1927-06-14 1928-05-26 Perfectionnements aux appareils excavateurs ou perceurs

Country Status (1)

Country Link
FR (1) FR666656A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2206435A1 (fr) * 1972-11-15 1974-06-07 Gewerk Eisenhuette Westfalia

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2206435A1 (fr) * 1972-11-15 1974-06-07 Gewerk Eisenhuette Westfalia

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