DE1936509U - Nachgiebiger streckenausbau. - Google Patents
Nachgiebiger streckenausbau.Info
- Publication number
- DE1936509U DE1936509U DE1965ST018333 DEST018333U DE1936509U DE 1936509 U DE1936509 U DE 1936509U DE 1965ST018333 DE1965ST018333 DE 1965ST018333 DE ST018333 U DEST018333 U DE ST018333U DE 1936509 U DE1936509 U DE 1936509U
- Authority
- DE
- Germany
- Prior art keywords
- cutting means
- expansion
- outer end
- extension
- tubular part
- 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
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000009418 renovation Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/14—Lining predominantly with metal
- E21D11/18—Arch members ; Network made of arch members ; Ring elements; Polygon elements; Polygon elements inside arches
- E21D11/183—Supporting means for arch members, not provided for in E21D11/22
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
- E21D15/14—Telescopic props
- E21D15/16—Telescopic props with parts held together by positive means, with or without relative sliding movement when the prop is subject to excessive pressure
- E21D15/22—Telescopic props with parts held together by positive means, with or without relative sliding movement when the prop is subject to excessive pressure with member, pin, cross- piece, or the like, ruptured, sheared through, or permanently deformed upon excessive pressure
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Mechanical Engineering (AREA)
- Catching Or Destruction (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL6401544A NL6401544A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1964-02-20 | 1964-02-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE1936509U true DE1936509U (de) | 1966-04-14 |
Family
ID=19789338
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE1965ST018333 Expired DE1936509U (de) | 1964-02-20 | 1965-02-17 | Nachgiebiger streckenausbau. |
Country Status (3)
-
1964
- 1964-02-20 NL NL6401544A patent/NL6401544A/xx unknown
-
1965
- 1965-02-17 DE DE1965ST018333 patent/DE1936509U/de not_active Expired
- 1965-02-19 BE BE659998D patent/BE659998A/fr unknown
Also Published As
Publication number | Publication date |
---|---|
BE659998A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1965-08-19 |
NL6401544A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1965-08-23 |
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