KR940022913U - Underground shielding method - Google Patents

Underground shielding method

Info

Publication number
KR940022913U
KR940022913U KR2019930003087U KR930003087U KR940022913U KR 940022913 U KR940022913 U KR 940022913U KR 2019930003087 U KR2019930003087 U KR 2019930003087U KR 930003087 U KR930003087 U KR 930003087U KR 940022913 U KR940022913 U KR 940022913U
Authority
KR
South Korea
Prior art keywords
shielding method
underground shielding
underground
shielding
Prior art date
Application number
KR2019930003087U
Other languages
Korean (ko)
Other versions
KR960005715Y1 (en
Inventor
송재인
Original Assignee
송재인
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 송재인 filed Critical 송재인
Priority to KR2019930003087U priority Critical patent/KR960005715Y1/en
Publication of KR940022913U publication Critical patent/KR940022913U/en
Application granted granted Critical
Publication of KR960005715Y1 publication Critical patent/KR960005715Y1/en

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
    • E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
KR2019930003087U 1993-03-04 1993-03-04 A messer shield structure KR960005715Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019930003087U KR960005715Y1 (en) 1993-03-04 1993-03-04 A messer shield structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019930003087U KR960005715Y1 (en) 1993-03-04 1993-03-04 A messer shield structure

Publications (2)

Publication Number Publication Date
KR940022913U true KR940022913U (en) 1994-10-20
KR960005715Y1 KR960005715Y1 (en) 1996-07-12

Family

ID=19351520

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019930003087U KR960005715Y1 (en) 1993-03-04 1993-03-04 A messer shield structure

Country Status (1)

Country Link
KR (1) KR960005715Y1 (en)

Also Published As

Publication number Publication date
KR960005715Y1 (en) 1996-07-12

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Legal Events

Date Code Title Description
A201 Request for examination
N231 Notification of change of applicant
E701 Decision to grant or registration of patent right
REGI Registration of establishment
FPAY Annual fee payment

Payment date: 20070706

Year of fee payment: 12

EXPY Expiration of term