ES485931A1 - Un escudo porta-cuchillas para perforar un tunel, abrir una galeria o cualquier otra cavidad en la tierra o la roca - Google Patents

Un escudo porta-cuchillas para perforar un tunel, abrir una galeria o cualquier otra cavidad en la tierra o la roca

Info

Publication number
ES485931A1
ES485931A1 ES485931A ES485931A ES485931A1 ES 485931 A1 ES485931 A1 ES 485931A1 ES 485931 A ES485931 A ES 485931A ES 485931 A ES485931 A ES 485931A ES 485931 A1 ES485931 A1 ES 485931A1
Authority
ES
Spain
Prior art keywords
gallery
perforate
rock
tunnel
translation
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
ES485931A
Other languages
English (en)
Spanish (es)
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.)
Gewerkschaft Eisenhutte Westfalia GmbH
Original Assignee
Gewerkschaft Eisenhutte Westfalia GmbH
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 Gewerkschaft Eisenhutte Westfalia GmbH filed Critical Gewerkschaft Eisenhutte Westfalia GmbH
Publication of ES485931A1 publication Critical patent/ES485931A1/es
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
    • E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
    • E21D9/0692—Cutter drive shields

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)
ES485931A 1978-11-16 1979-11-13 Un escudo porta-cuchillas para perforar un tunel, abrir una galeria o cualquier otra cavidad en la tierra o la roca Expired ES485931A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19782849776 DE2849776C2 (de) 1978-11-16 1978-11-16 Messerschild

Publications (1)

Publication Number Publication Date
ES485931A1 true ES485931A1 (es) 1980-05-16

Family

ID=6054859

Family Applications (1)

Application Number Title Priority Date Filing Date
ES485931A Expired ES485931A1 (es) 1978-11-16 1979-11-13 Un escudo porta-cuchillas para perforar un tunel, abrir una galeria o cualquier otra cavidad en la tierra o la roca

Country Status (5)

Country Link
JP (1) JPS5929756B2 (de)
AT (1) AT362415B (de)
CH (1) CH643325A5 (de)
DE (1) DE2849776C2 (de)
ES (1) ES485931A1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3206717A1 (de) * 1982-02-25 1983-09-01 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Messerzylinderanschluss fuer messerschilde
WO2018088527A1 (ja) 2016-11-11 2018-05-17 積水メディカル株式会社 新規トリチル保護剤
JP6703668B2 (ja) 2018-04-13 2020-06-03 Jitsubo株式会社 ペプチド合成方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3581507A (en) * 1969-07-07 1971-06-01 Milwaukee Boiler Mfg Co Tunneling shield
DE2646586C3 (de) * 1976-10-15 1981-05-21 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Schildvortriebseinrichtung, insbesondere für den Vortrieb von Gesteins- und Flözstrecken in Bergbau-Untertagebetrieben

Also Published As

Publication number Publication date
JPS5929756B2 (ja) 1984-07-23
CH643325A5 (en) 1984-05-30
DE2849776A1 (de) 1980-05-29
JPS5568995A (en) 1980-05-24
ATA605779A (de) 1980-10-15
DE2849776C2 (de) 1986-05-15
AT362415B (de) 1981-05-25

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