NL81672C - - Google Patents
Info
- Publication number
- NL81672C NL81672C NL156304A NL156304A NL81672C NL 81672 C NL81672 C NL 81672C NL 156304 A NL156304 A NL 156304A NL 156304 A NL156304 A NL 156304A NL 81672 C NL81672 C NL 81672C
- Authority
- NL
- Netherlands
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH 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
- E21D11/24—Knuckle joints or links between arch members
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1106251T | 1948-04-23 | ||
| DEP0033395 | 1949-02-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL81672C true NL81672C (en) | 1956-06-15 |
Family
ID=85173766
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL156304A NL81672C (en) | 1948-04-23 | 1950-09-28 |
Country Status (1)
| Country | Link |
|---|---|
| NL (1) | NL81672C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015186029A3 (en) * | 2014-06-04 | 2016-09-15 | Officine Maccaferri Italia S.R.L. | Device for connecting the structural elements of ribs and reticular structures |
-
1950
- 1950-09-28 NL NL156304A patent/NL81672C/nl active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015186029A3 (en) * | 2014-06-04 | 2016-09-15 | Officine Maccaferri Italia S.R.L. | Device for connecting the structural elements of ribs and reticular structures |