ES444054A1 - Perfeccionamientos en escudos de cuchillas para abrir tune- les, galerias y similares. - Google Patents
Perfeccionamientos en escudos de cuchillas para abrir tune- les, galerias y similares.Info
- Publication number
- ES444054A1 ES444054A1 ES444054A ES444054A ES444054A1 ES 444054 A1 ES444054 A1 ES 444054A1 ES 444054 A ES444054 A ES 444054A ES 444054 A ES444054 A ES 444054A ES 444054 A1 ES444054 A1 ES 444054A1
- Authority
- ES
- Spain
- Prior art keywords
- blades
- cutting plate
- yokokotookutsushinsurutameno
- tonneru
- rainingushiirudo
- 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
Links
- 238000005259 measurement Methods 0.000 abstract 1
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)
- Details Of Cutting Devices (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
- Component Parts Of Construction Machinery (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19752500271 DE2500271C2 (de) | 1975-01-04 | 1975-01-04 | Verbauschild für den Tunnel- oder Stollenvortrieb u.dgl. |
Publications (1)
Publication Number | Publication Date |
---|---|
ES444054A1 true ES444054A1 (es) | 1977-04-16 |
Family
ID=5935990
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES444054A Expired ES444054A1 (es) | 1975-01-04 | 1976-01-02 | Perfeccionamientos en escudos de cuchillas para abrir tune- les, galerias y similares. |
Country Status (3)
Country | Link |
---|---|
JP (1) | JPS5179938A (es) |
DE (1) | DE2500271C2 (es) |
ES (1) | ES444054A1 (es) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2742332C3 (de) * | 1977-09-20 | 1987-01-22 | Walbröhl, Heinz-Theo, Dipl.-Ing., 5300 Bonn | Lenkbare Messerschildvortriebseinrichtung und Vortriebsmesser |
DE3447120A1 (de) * | 1984-12-22 | 1986-06-26 | Gewerkschaft Eisenhütte Westfalia, 4670 Lünen | Messerschild mit veraenderbarem querschnitt |
JP4781898B2 (ja) * | 2006-04-28 | 2011-09-28 | 株式会社コロナ | 暖房機 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1903866A (en) * | 1931-12-23 | 1933-04-18 | Lacaprara Donato | Tunneling equipment |
DE1534670B1 (de) * | 1966-04-05 | 1970-02-19 | Richard Schulz Tiefbau | Einrichtung zum unterirdischen Vortreiben von Tunneln,Stollen oder aehnlichen Bauwerken |
-
1975
- 1975-01-04 DE DE19752500271 patent/DE2500271C2/de not_active Expired
- 1975-11-07 JP JP13317475A patent/JPS5179938A/ja active Pending
-
1976
- 1976-01-02 ES ES444054A patent/ES444054A1/es not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE2500271A1 (de) | 1976-07-08 |
JPS5179938A (en) | 1976-07-12 |
DE2500271C2 (de) | 1983-12-15 |
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