NL56571C - Boog of ringvormige mijngangondersteuning - Google Patents
Boog of ringvormige mijngangondersteuningInfo
- Publication number
- NL56571C NL56571C NL105820A NL105820A NL56571C NL 56571 C NL56571 C NL 56571C NL 105820 A NL105820 A NL 105820A NL 105820 A NL105820 A NL 105820A NL 56571 C NL56571 C NL 56571C
- Authority
- NL
- Netherlands
- Prior art keywords
- arc
- ring shaped
- mining support
- shaped mining
- support
- Prior art date
Links
- 238000005065 mining Methods 0.000 title 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
- E21D11/24—Knuckle joints or links between arch members
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Cookers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEG103155D DE718286C (de) | 1941-03-10 | 1941-03-10 | Streckenausbaurahmen aus Profileisen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL56571C true NL56571C (nl) | 1944-05-16 |
Family
ID=7141691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL105820A NL56571C (nl) | 1941-03-10 | 1942-04-28 | Boog of ringvormige mijngangondersteuning |
Country Status (2)
| Country | Link |
|---|---|
| DE (1) | DE718286C (nl) |
| NL (1) | NL56571C (nl) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE975603C (de) * | 1946-05-28 | 1962-02-15 | Elke Lorenz | Eiserner Polygon- oder Bogenausbau |
| DE975609C (de) * | 1946-11-15 | 1962-02-22 | Helmut Waskoenig | Staehlernes Gelenk fuer polygonalen Grubenausbau mit zwei sich aufeinander abwaelzenden Gelenkhaelften |
| DE894090C (de) * | 1949-02-01 | 1953-11-05 | Guenther Mittag | Grubenausbau-Schuh |
| DE937162C (de) * | 1953-03-10 | 1955-12-29 | Gutehoffnungshuette Sterkrade | Zweiteiliges Firstgelenk fuer den Streckenausbau unter Tage |
-
1941
- 1941-03-10 DE DEG103155D patent/DE718286C/de not_active Expired
-
1942
- 1942-04-28 NL NL105820A patent/NL56571C/nl active
Also Published As
| Publication number | Publication date |
|---|---|
| DE718286C (de) | 1944-11-13 |
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