NL6401544A - - Google Patents
Info
- Publication number
- NL6401544A NL6401544A NL6401544A NL6401544A NL6401544A NL 6401544 A NL6401544 A NL 6401544A NL 6401544 A NL6401544 A NL 6401544A NL 6401544 A NL6401544 A NL 6401544A NL 6401544 A NL6401544 A NL 6401544A
- Authority
- NL
- Netherlands
Links
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)
- Excavating Of Shafts Or Tunnels (AREA)
- Catching Or Destruction (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL6401544A NL6401544A (en:Method) | 1964-02-20 | 1964-02-20 | |
| DE1965ST018333 DE1936509U (de) | 1964-02-20 | 1965-02-17 | Nachgiebiger streckenausbau. |
| BE659998D BE659998A (en:Method) | 1964-02-20 | 1965-02-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL6401544A NL6401544A (en:Method) | 1964-02-20 | 1964-02-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL6401544A true NL6401544A (en:Method) | 1965-08-23 |
Family
ID=19789338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL6401544A NL6401544A (en:Method) | 1964-02-20 | 1964-02-20 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE659998A (en:Method) |
| DE (1) | DE1936509U (en:Method) |
| NL (1) | NL6401544A (en:Method) |
-
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 |
|---|---|
| DE1936509U (de) | 1966-04-14 |
| BE659998A (en:Method) | 1965-08-19 |