BG46859A1 - Face shield for digging of mine entrys - Google Patents

Face shield for digging of mine entrys

Info

Publication number
BG46859A1
BG46859A1 BG66715A BG6671584A BG46859A1 BG 46859 A1 BG46859 A1 BG 46859A1 BG 66715 A BG66715 A BG 66715A BG 6671584 A BG6671584 A BG 6671584A BG 46859 A1 BG46859 A1 BG 46859A1
Authority
BG
Bulgaria
Prior art keywords
entrys
digging
mine
face shield
shield
Prior art date
Application number
BG66715A
Other languages
English (en)
Inventor
Oleg Ja Tsagikjan
Jurij I Levitin
Vladimir P Samojlov
Viktor J Resin
Original Assignee
Sp K Byuro Glavmostostroya
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 Sp K Byuro Glavmostostroya filed Critical Sp K Byuro Glavmostostroya
Publication of BG46859A1 publication Critical patent/BG46859A1/xx

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
    • E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
    • E21D9/08—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining with additional boring or cutting means other than the conventional cutting edge of the shield
    • E21D9/0875—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining with additional boring or cutting means other than the conventional cutting edge of the shield with a movable support arm carrying cutting tools for attacking the front face, e.g. a bucket

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)
  • Excavating Of Shafts Or Tunnels (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
BG66715A 1983-12-08 1984-08-28 Face shield for digging of mine entrys BG46859A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU833671102A SU1348523A1 (ru) 1983-12-08 1983-12-08 Щит дл проходки горных выработок

Publications (1)

Publication Number Publication Date
BG46859A1 true BG46859A1 (en) 1990-03-15

Family

ID=21092346

Family Applications (1)

Application Number Title Priority Date Filing Date
BG66715A BG46859A1 (en) 1983-12-08 1984-08-28 Face shield for digging of mine entrys

Country Status (4)

Country Link
JP (2) JPS60123698A (en, 2012)
BG (1) BG46859A1 (en, 2012)
CS (1) CS264020B1 (en, 2012)
SU (1) SU1348523A1 (en, 2012)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2121578C1 (ru) * 1996-05-21 1998-11-10 Институт горного дела Севера СО РАН Погрузочное устройство проходческого щита
CN109882189B (zh) * 2019-02-27 2020-06-12 中铁工程装备集团有限公司 一种适用于断层破碎带的马蹄形半断面盾构机及施工方法

Also Published As

Publication number Publication date
JPS6197497U (en, 2012) 1986-06-23
CS264020B1 (cs) 1989-05-12
CS647484A1 (en) 1986-12-18
SU1348523A1 (ru) 1987-10-30
JPS60123698A (ja) 1985-07-02

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