BE511825A - - Google Patents
Info
- Publication number
- BE511825A BE511825A BE511825DA BE511825A BE 511825 A BE511825 A BE 511825A BE 511825D A BE511825D A BE 511825DA BE 511825 A BE511825 A BE 511825A
- Authority
- BE
- Belgium
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D17/00—Caps for supporting mine roofs
- E21D17/02—Cantilever extension or similar protecting devices
- E21D17/08—Cap joints for obtaining a coal-face free of pit-props
- E21D17/086—Cap joints for obtaining a coal-face free of pit-props or articulated type
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Current-Collector Devices For Electrically Propelled Vehicles (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BE726000X | 1952-05-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE511825A true BE511825A (pt) |
Family
ID=3879009
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE511825D BE511825A (pt) | 1952-05-31 |
Country Status (5)
| Country | Link |
|---|---|
| BE (1) | BE511825A (pt) |
| DE (1) | DE1018824B (pt) |
| FR (1) | FR1074334A (pt) |
| GB (1) | GB726000A (pt) |
| LU (1) | LU32099A1 (pt) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2959924A (en) * | 1954-01-29 | 1960-11-15 | Groetschel Karl Maria | Connection for lagging irons |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE499766A (pt) * | 1948-07-08 | |||
| US3043108A (en) * | 1958-07-16 | 1962-07-10 | Vanwersch Aloys | Mine roof bar arrangement |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR993340A (fr) * | 1951-04-23 | 1951-11-12 | Bochumer Eisen Heintzmann | Dispositif de soutènement pour exploitations minières par taille |
| NL86396C (pt) * | 1950-03-04 | |||
| AT174363B (de) * | 1951-04-23 | 1953-03-25 | Bochumer Eisen Heintzmann | Kappenverbindung beim Strebausbau in Stahl |
-
0
- LU LU32099D patent/LU32099A1/xx unknown
- BE BE511825D patent/BE511825A/xx unknown
-
1953
- 1953-04-04 FR FR1074334D patent/FR1074334A/fr not_active Expired
- 1953-04-16 GB GB10422/53A patent/GB726000A/en not_active Expired
- 1953-05-29 DE DEU2211A patent/DE1018824B/de active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2959924A (en) * | 1954-01-29 | 1960-11-15 | Groetschel Karl Maria | Connection for lagging irons |
Also Published As
| Publication number | Publication date |
|---|---|
| FR1074334A (fr) | 1954-10-05 |
| LU32099A1 (pt) | |
| GB726000A (en) | 1955-03-16 |
| DE1018824B (de) | 1957-11-07 |