FR530067A - Improvements to tunnel boring machines - Google Patents

Improvements to tunnel boring machines

Info

Publication number
FR530067A
FR530067A FR530067DA FR530067A FR 530067 A FR530067 A FR 530067A FR 530067D A FR530067D A FR 530067DA FR 530067 A FR530067 A FR 530067A
Authority
FR
France
Prior art keywords
tunnel boring
boring machines
machines
tunnel
boring
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
French (fr)
Inventor
Frank Henry Trier
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 filed Critical
Application granted granted Critical
Publication of FR530067A publication Critical patent/FR530067A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH 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
    • E21D9/11—Making by using boring or cutting machines with a rotary drilling-head cutting simultaneously the whole cross-section, i.e. full-face machines
    • E21D9/112—Making by using boring or cutting machines with a rotary drilling-head cutting simultaneously the whole cross-section, i.e. full-face machines by means of one single rotary head or of concentric rotary heads
FR530067D 1920-02-03 1921-01-20 Improvements to tunnel boring machines Expired FR530067A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB530067X 1920-02-03

Publications (1)

Publication Number Publication Date
FR530067A true FR530067A (en) 1921-12-13

Family

ID=10466251

Family Applications (1)

Application Number Title Priority Date Filing Date
FR530067D Expired FR530067A (en) 1920-02-03 1921-01-20 Improvements to tunnel boring machines

Country Status (1)

Country Link
FR (1) FR530067A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1002775B (en) * 1951-03-29 1957-02-21 Josef Wohlmeyer Dipl Ing Method and machine for driving underground routes

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1002775B (en) * 1951-03-29 1957-02-21 Josef Wohlmeyer Dipl Ing Method and machine for driving underground routes

Similar Documents

Publication Publication Date Title
FR530067A (en) Improvements to tunnel boring machines
FR537358A (en) Improvements to drilling machines
FR524258A (en) Improvements to horizontal drilling and mortising machines
FR521322A (en) Improvements in tunnel construction
FR527621A (en) Improvements to ditching machines
FR554487A (en) Improvements to drilling machines
FR524785A (en) Improvements to pneumatic drilling machines
FR578588A (en) Improvements to drilling machines
FR506476A (en) Improvements to sensitive drilling machines
FR590461A (en) Improvements to drilling machines
FR516112A (en) Nut drilling machine
FR502151A (en) Drilling machine
FR539973A (en) Improvements to leatherworking machines
FR567752A (en) Improvements to drilling machines
FR536468A (en) Improvements to rotary hydraulic machines
FR535768A (en) Radial drilling machines
FR543933A (en) Drilling or perforating machine
FR535121A (en) Improvements to envelope making machines
FR512275A (en) Improvements to rotary machines
FR525222A (en) Drill bits for drilling rock
FR619492A (en) Improvements to drilling machines
FR30807E (en) Improvements to drilling machines
FR513636A (en) Drill
FR525609A (en) Improvements in boring machines
FR531733A (en) Advanced seed drill construction