KR890019393U - Excavator going straight on tosa section - Google Patents

Excavator going straight on tosa section

Info

Publication number
KR890019393U
KR890019393U KR2019880004210U KR880004210U KR890019393U KR 890019393 U KR890019393 U KR 890019393U KR 2019880004210 U KR2019880004210 U KR 2019880004210U KR 880004210 U KR880004210 U KR 880004210U KR 890019393 U KR890019393 U KR 890019393U
Authority
KR
South Korea
Prior art keywords
tosa
excavator
section
going straight
going
Prior art date
Application number
KR2019880004210U
Other languages
Korean (ko)
Other versions
KR910003518Y1 (en
Inventor
한송본
한원철
Original Assignee
한송본
한원철
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 한송본, 한원철 filed Critical 한송본
Priority to KR2019880004210U priority Critical patent/KR910003518Y1/en
Publication of KR890019393U publication Critical patent/KR890019393U/en
Application granted granted Critical
Publication of KR910003518Y1 publication Critical patent/KR910003518Y1/en

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
    • E21D9/11—Making by using boring or cutting machines with a rotary drilling-head cutting simultaneously the whole cross-section, i.e. full-face machines
    • 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
    • E21D9/001—Improving soil or rock, e.g. by freezing; Injections
    • 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
    • E21D9/12—Devices for removing or hauling away excavated material or spoil; Working or loading platforms
    • E21D9/124—Helical conveying means therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Soil Sciences (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
KR2019880004210U 1988-03-29 1988-03-29 Drilling m/c KR910003518Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019880004210U KR910003518Y1 (en) 1988-03-29 1988-03-29 Drilling m/c

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019880004210U KR910003518Y1 (en) 1988-03-29 1988-03-29 Drilling m/c

Publications (2)

Publication Number Publication Date
KR890019393U true KR890019393U (en) 1989-10-05
KR910003518Y1 KR910003518Y1 (en) 1991-05-31

Family

ID=19273623

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019880004210U KR910003518Y1 (en) 1988-03-29 1988-03-29 Drilling m/c

Country Status (1)

Country Link
KR (1) KR910003518Y1 (en)

Also Published As

Publication number Publication date
KR910003518Y1 (en) 1991-05-31

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Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E701 Decision to grant or registration of patent right
REGI Registration of establishment
FPAY Annual fee payment

Payment date: 20010327

Year of fee payment: 12

EXPY Expiration of term