GB1552572A - Alloy steel particularly for channel profiles in mine support ductile sections for mining operations - Google Patents
Alloy steel particularly for channel profiles in mine support ductile sections for mining operationsInfo
- Publication number
- GB1552572A GB1552572A GB1197278A GB1197278A GB1552572A GB 1552572 A GB1552572 A GB 1552572A GB 1197278 A GB1197278 A GB 1197278A GB 1197278 A GB1197278 A GB 1197278A GB 1552572 A GB1552572 A GB 1552572A
- Authority
- GB
- United Kingdom
- Prior art keywords
- alloy steel
- mining operations
- channel profiles
- mine support
- steel particularly
- 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
- 229910000851 Alloy steel Inorganic materials 0.000 title 1
- 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
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)
- Heat Treatment Of Steel (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19772713782 DE2713782B2 (de) | 1977-03-29 | 1977-03-29 | Verwendung von niedriglegierten Stählen als Werkstoff für die Herstellung von Rinnenprofilen des Streckenausbaus in Grubenbetrieben |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1552572A true GB1552572A (en) | 1979-09-12 |
Family
ID=6004966
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1197278A Expired GB1552572A (en) | 1977-03-29 | 1978-03-28 | Alloy steel particularly for channel profiles in mine support ductile sections for mining operations |
Country Status (5)
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3628711A1 (de) * | 1986-08-23 | 1988-03-10 | Kloeckner Stahl Gmbh | Denitrierter, niedriglegierter, hochfester feinkornbaustahl |
DE3628712A1 (de) * | 1986-08-23 | 1988-02-25 | Kloeckner Stahl Gmbh | Denitrierter, niedriglegierter, hochfester, grubenbestaendiger feinkornbaustahl |
US5743972A (en) * | 1995-08-29 | 1998-04-28 | Kawasaki Steel Corporation | Heavy-wall structural steel and method |
EP2703592A1 (de) | 2012-08-28 | 2014-03-05 | Zenon Malkowski | Türflügel einer wärmeisolierten Tür |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1069169B (de) * | 1959-11-19 | Hoesch-Westfalenhütte Aktiengesellllschiaifit, Dortmund | Die Verwendung eines Stahles als Werkstoff für Grubenausbausegmente | |
US1697130A (en) * | 1925-01-26 | 1929-01-01 | Int Nickel Co | Nickel manganese steel alloy and method of treating the same |
FR976859A (fr) * | 1948-10-22 | 1951-03-23 | Rech S Ind Et Minieres Soc Et | Soutènement en acier spécial |
AT244705B (de) * | 1964-01-17 | 1966-01-25 | Boehler & Co Ag Geb | Zusatzwerkstoff für die Unterpulverschweißung von Feinkornstählen |
GB1342582A (en) * | 1970-03-20 | 1974-01-03 | British Steel Corp | Rail steel |
CA952415A (en) * | 1970-05-20 | 1974-08-06 | Eiji Miyoshi | Process and apparatus for manufacture of strong tough steel plates |
-
1977
- 1977-03-29 DE DE19772713782 patent/DE2713782B2/de active Granted
-
1978
- 1978-03-14 FR FR7807310A patent/FR2385974A1/fr active Granted
- 1978-03-28 PL PL20563878A patent/PL116460B1/pl unknown
- 1978-03-28 GB GB1197278A patent/GB1552572A/en not_active Expired
- 1978-03-28 LU LU79325A patent/LU79325A1/de unknown
Also Published As
Publication number | Publication date |
---|---|
DE2713782C3 (US20050271598A1-20051208-C00001.png) | 1987-10-22 |
DE2713782A1 (de) | 1978-10-05 |
DE2713782B2 (de) | 1979-06-28 |
LU79325A1 (de) | 1978-06-29 |
PL205638A1 (pl) | 1978-12-18 |
PL116460B1 (en) | 1981-06-30 |
FR2385974A1 (fr) | 1978-10-27 |
FR2385974B1 (US20050271598A1-20051208-C00001.png) | 1984-03-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
732 | Registration of transactions, instruments or events in the register (sect. 32/1977) | ||
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19950328 |