BE496549A - - Google Patents
Info
- Publication number
- BE496549A BE496549A BE496549DA BE496549A BE 496549 A BE496549 A BE 496549A BE 496549D A BE496549D A BE 496549DA BE 496549 A BE496549 A BE 496549A
- 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
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D49/00—Details or constructional features not specially adapted for looms of a particular type
- D03D49/70—Devices for cutting weft threads
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Textile Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Roof Covering Using Slabs Or Stiff Sheets (AREA)
- Emergency Lowering Means (AREA)
- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Hooks, Suction Cups, And Attachment By Adhesive Means (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE716447X | 1951-04-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE496549A true BE496549A (fr) | 1950-12-23 |
Family
ID=6626418
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE496549D BE496549A (fr) | 1951-04-23 | 1950-06-23 | |
| BE510061D BE510061A (fr) | 1951-04-23 | 1952-03-19 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE510061D BE510061A (fr) | 1951-04-23 | 1952-03-19 |
Country Status (5)
| Country | Link |
|---|---|
| BE (2) | BE496549A (fr) |
| DE (1) | DE974668C (fr) |
| FR (2) | FR62578E (fr) |
| GB (2) | GB693978A (fr) |
| NL (1) | NL79536C (fr) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2749712A (en) * | 1949-11-25 | 1956-06-12 | Gerlach Karl | Mine supporting structure for working mines |
| US2780067A (en) * | 1951-05-15 | 1957-02-05 | Gutehoffnungshuette Oberhausen | Roof supporting means or cap and a method of positioning the same |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1057042B (de) * | 1952-05-07 | 1959-05-14 | Wilhelm Meier | Schaleisengelenkverbindung |
| LU32099A1 (fr) * | 1952-05-31 | |||
| DE1039973B (de) * | 1952-08-13 | 1958-10-02 | Aloys Vanwersch | Keil fuer die gelenkige Verbindung von Kappen |
| DE1035602B (de) * | 1952-08-13 | 1958-08-07 | Aloys Vanwersch | Schaleisen |
| DE1207319B (de) * | 1964-06-06 | 1965-12-23 | Aloys Vanwersch | Kappenverbindung fuer den Grubenausbau in Untertagebetrieben |
-
0
- FR FR993340D patent/FR993340A/fr not_active Expired
-
1949
- 1949-07-02 DE DEP47598A patent/DE974668C/de not_active Expired
- 1949-10-12 NL NL149298A patent/NL79536C/xx active
-
1950
- 1950-06-23 BE BE496549D patent/BE496549A/xx unknown
- 1950-06-30 GB GB16412/50A patent/GB693978A/en not_active Expired
-
1952
- 1952-03-11 FR FR62578D patent/FR62578E/fr not_active Expired
- 1952-03-19 BE BE510061D patent/BE510061A/xx unknown
- 1952-04-22 GB GB10110/52A patent/GB716447A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2749712A (en) * | 1949-11-25 | 1956-06-12 | Gerlach Karl | Mine supporting structure for working mines |
| US2780067A (en) * | 1951-05-15 | 1957-02-05 | Gutehoffnungshuette Oberhausen | Roof supporting means or cap and a method of positioning the same |
Also Published As
| Publication number | Publication date |
|---|---|
| GB693978A (en) | 1953-07-08 |
| NL79536C (fr) | 1955-11-15 |
| FR993340A (fr) | 1951-11-12 |
| BE510061A (fr) | 1952-09-19 |
| DE974668C (de) | 1961-03-23 |
| GB716447A (en) | 1954-10-06 |
| FR62578E (fr) | 1955-06-15 |