GB190916319A - A Tunneling Machine. - Google Patents

A Tunneling Machine.

Info

Publication number
GB190916319A
GB190916319A GB190916319DA GB190916319A GB 190916319 A GB190916319 A GB 190916319A GB 190916319D A GB190916319D A GB 190916319DA GB 190916319 A GB190916319 A GB 190916319A
Authority
GB
United Kingdom
Prior art keywords
tunneling machine
machine
tunnelling
fowler
engines
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
Inventor
George Allen Fowler
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
Application granted granted Critical
Publication of GB190916319A publication Critical patent/GB190916319A/en
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

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)
  • Earth Drilling (AREA)

Abstract

16,319. Fowler, G. A. July 13. Percussive drills. - In a tunnelling-machine having a number of drilling-engines, the bits 173 are secured in the carriers 172 by a spring clip 179 engaging an annular groove 176.
GB190916319D 1909-07-13 1909-07-13 A Tunneling Machine. Expired GB190916319A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB190916319T 1909-07-13

Publications (1)

Publication Number Publication Date
GB190916319A true GB190916319A (en) 1910-07-13

Family

ID=32556874

Family Applications (1)

Application Number Title Priority Date Filing Date
GB190916319D Expired GB190916319A (en) 1909-07-13 1909-07-13 A Tunneling Machine.

Country Status (1)

Country Link
GB (1) GB190916319A (en)

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