BE488429A - - Google Patents
Info
- Publication number
- BE488429A BE488429A BE488429DA BE488429A BE 488429 A BE488429 A BE 488429A BE 488429D A BE488429D A BE 488429DA BE 488429 A BE488429 A BE 488429A
- 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
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/26—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of wood
- E04B1/2604—Connections specially adapted therefor
- E04B1/2612—Joist hangers
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1179249A GB672704A (en) | 1949-05-03 | 1949-05-03 | Improvements in or relating to means for the end-to-end connection of roof supporting bars in underground workings |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE488429A true BE488429A (US20090163788A1-20090625-C00002.png) | 1949-04-30 |
Family
ID=9992789
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE488429D BE488429A (US20090163788A1-20090625-C00002.png) | 1949-05-03 | 1949-04-15 |
Country Status (5)
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE977597C (de) * | 1950-11-01 | 1967-06-22 | Ludwig Vanwersch | Ausbaukappe |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108244759B (zh) * | 2018-01-20 | 2024-04-16 | 张朝辉 | 一种沿条鞋及其注塑模具 |
-
1949
- 1949-02-23 DE DEP34855A patent/DE829146C/de not_active Expired
- 1949-04-01 NL NL145754A patent/NL73198C/xx active
- 1949-04-06 FR FR987597D patent/FR987597A/fr not_active Expired
- 1949-04-15 BE BE488429D patent/BE488429A/xx unknown
- 1949-05-03 GB GB1179249A patent/GB672704A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE977597C (de) * | 1950-11-01 | 1967-06-22 | Ludwig Vanwersch | Ausbaukappe |
Also Published As
| Publication number | Publication date |
|---|---|
| DE829146C (de) | 1952-01-24 |
| NL73198C (US20090163788A1-20090625-C00002.png) | 1953-09-15 |
| FR987597A (fr) | 1951-08-16 |
| GB672704A (en) | 1952-05-28 |
