BE501784A - - Google Patents
Info
- Publication number
- BE501784A BE501784A BE501784DA BE501784A BE 501784 A BE501784 A BE 501784A BE 501784D A BE501784D A BE 501784DA BE 501784 A BE501784 A BE 501784A
- 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)
- Hooks, Suction Cups, And Attachment By Adhesive Means (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEV35A DE833936C (de) | 1949-10-18 | 1949-10-18 | Stahlkappenverbindung fuer den Strebausbau |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE501784A true BE501784A (https=) |
Family
ID=7568884
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE501784D BE501784A (https=) | 1949-10-18 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE501784A (https=) |
| DE (1) | DE833936C (https=) |
| NL (1) | NL81420C (https=) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1197417B (de) * | 1964-02-26 | 1965-07-29 | Aloys Vanwersch | Kappenverbindung fuer den Grubenausbau in Untertagebetrieben |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1188024B (de) * | 1952-10-06 | 1965-03-04 | Aloys Vanwersch | Kappenverbindung fuer den Strebausbau |
| BE535250A (https=) * | 1954-01-29 | |||
| DE1114764B (de) * | 1956-08-25 | 1961-10-12 | Hermann Schwarz K G | Schwenkbare Kappenverbindung fuer den Strebausbau |
-
0
- BE BE501784D patent/BE501784A/xx unknown
- NL NL81420D patent/NL81420C/xx active
-
1949
- 1949-10-18 DE DEV35A patent/DE833936C/de not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1197417B (de) * | 1964-02-26 | 1965-07-29 | Aloys Vanwersch | Kappenverbindung fuer den Grubenausbau in Untertagebetrieben |
Also Published As
| Publication number | Publication date |
|---|---|
| NL81420C (https=) | |
| DE833936C (de) | 1952-03-13 |