BE532795A - - Google Patents
Info
- Publication number
- BE532795A BE532795A BE532795DA BE532795A BE 532795 A BE532795 A BE 532795A BE 532795D A BE532795D A BE 532795DA BE 532795 A BE532795 A BE 532795A
- 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)
- Bridges Or Land Bridges (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL709240X | 1951-03-07 | ||
NL760654X | 1953-10-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
BE532795A true BE532795A (en) |
Family
ID=31980708
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE509661D BE509661A (en) | 1951-03-07 | ||
BE509662D BE509662A (en) | 1951-03-07 | ||
BE532795D BE532795A (en) | 1951-03-07 |
Family Applications Before (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE509661D BE509661A (en) | 1951-03-07 | ||
BE509662D BE509662A (en) | 1951-03-07 |
Country Status (4)
Country | Link |
---|---|
BE (3) | BE532795A (en) |
FR (3) | FR1051786A (en) |
GB (3) | GB709241A (en) |
NL (4) | NL182433B (en) |
-
0
- BE BE509661D patent/BE509661A/xx unknown
- NL NL6811291.A patent/NL159680B/en unknown
- BE BE509662D patent/BE509662A/xx unknown
- NL NL159679D patent/NL159679A/xx unknown
- NL NL89595D patent/NL89595C/xx active
- NL NLAANVRAGE7206200,A patent/NL182433B/en unknown
- BE BE532795D patent/BE532795A/xx unknown
-
1952
- 1952-02-23 FR FR1051786D patent/FR1051786A/en not_active Expired
- 1952-02-28 FR FR1051869D patent/FR1051869A/en not_active Expired
- 1952-03-03 GB GB5535/52A patent/GB709241A/en not_active Expired
- 1952-03-03 GB GB5534/52A patent/GB709240A/en not_active Expired
-
1954
- 1954-10-25 GB GB30683/54A patent/GB760654A/en not_active Expired
- 1954-10-26 FR FR67282D patent/FR67282E/en active Active
Also Published As
Publication number | Publication date |
---|---|
BE509661A (en) | |
GB709241A (en) | 1954-05-19 |
FR1051869A (en) | 1954-01-19 |
FR1051786A (en) | 1954-01-19 |
NL89595C (en) | |
GB760654A (en) | 1956-11-07 |
NL182433B (en) | |
NL159680B (en) | |
NL159679A (en) | |
GB709240A (en) | 1954-05-19 |
FR67282E (en) | |
BE509662A (en) |