NL294003A - - Google Patents
Info
- Publication number
- NL294003A NL294003A NL294003DA NL294003A NL 294003 A NL294003 A NL 294003A NL 294003D A NL294003D A NL 294003DA NL 294003 A NL294003 A NL 294003A
- Authority
- NL
- Netherlands
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
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
- E21D15/14—Telescopic props
- E21D15/28—Telescopic props with parts held relatively to each other by friction or gripping
- E21D15/43—Details of wedges
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)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Furnace Charging Or Discharging (AREA)
- Pivots And Pivotal Connections (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEG35212A DE1189939B (de) | 1962-06-15 | 1962-06-15 | Gelenkverbindung fuer Grubenausbaukappen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL294003A true NL294003A (en:Method) |
Family
ID=7125116
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL294003D NL294003A (en:Method) | 1962-06-15 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE633553A (en:Method) |
| DE (1) | DE1189939B (en:Method) |
| GB (1) | GB1042035A (en:Method) |
| NL (1) | NL294003A (en:Method) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IE59339B1 (en) * | 1986-09-11 | 1994-02-09 | Nolan Terence | A framework for a fishfarming enclosure |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE499766A (en:Method) * | 1948-07-08 | |||
| DE1775607U (de) * | 1956-03-28 | 1958-10-16 | August Kloenne | Gelenkige kappenverbindung. |
| NL264085A (en:Method) | 1960-07-07 |
-
0
- BE BE633553D patent/BE633553A/xx unknown
- NL NL294003D patent/NL294003A/xx unknown
-
1962
- 1962-06-15 DE DEG35212A patent/DE1189939B/de active Pending
-
1963
- 1963-06-13 GB GB2355163A patent/GB1042035A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1042035A (en) | 1966-09-07 |
| DE1189939B (de) | 1965-04-01 |
| BE633553A (en:Method) |