FR2610986B1 - TELESCOPIC HAT FOR SUPPORT IN A SUBTERRANEAN MINE OPERATED BY DRESSING AND METHOD OF USE FOR OPERATING THE MINE - Google Patents
TELESCOPIC HAT FOR SUPPORT IN A SUBTERRANEAN MINE OPERATED BY DRESSING AND METHOD OF USE FOR OPERATING THE MINEInfo
- Publication number
- FR2610986B1 FR2610986B1 FR8702337A FR8702337A FR2610986B1 FR 2610986 B1 FR2610986 B1 FR 2610986B1 FR 8702337 A FR8702337 A FR 8702337A FR 8702337 A FR8702337 A FR 8702337A FR 2610986 B1 FR2610986 B1 FR 2610986B1
- Authority
- FR
- France
- Prior art keywords
- mine
- dressing
- operating
- support
- operated
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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
- E21C—MINING OR QUARRYING
- E21C41/00—Methods of underground or surface mining; Layouts therefor
- E21C41/16—Methods of underground mining; Layouts therefor
- E21C41/22—Methods of underground mining; Layouts therefor for ores, e.g. mining placers
-
- 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
- E21D17/0206—Hydraulically operated extension devices
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Remote Sensing (AREA)
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8702337A FR2610986B1 (en) | 1987-02-12 | 1987-02-12 | TELESCOPIC HAT FOR SUPPORT IN A SUBTERRANEAN MINE OPERATED BY DRESSING AND METHOD OF USE FOR OPERATING THE MINE |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8702337A FR2610986B1 (en) | 1987-02-12 | 1987-02-12 | TELESCOPIC HAT FOR SUPPORT IN A SUBTERRANEAN MINE OPERATED BY DRESSING AND METHOD OF USE FOR OPERATING THE MINE |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2610986A1 FR2610986A1 (en) | 1988-08-19 |
FR2610986B1 true FR2610986B1 (en) | 1991-03-15 |
Family
ID=9348187
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8702337A Expired - Fee Related FR2610986B1 (en) | 1987-02-12 | 1987-02-12 | TELESCOPIC HAT FOR SUPPORT IN A SUBTERRANEAN MINE OPERATED BY DRESSING AND METHOD OF USE FOR OPERATING THE MINE |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2610986B1 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6682263B2 (en) | 1999-12-17 | 2004-01-27 | Jack Kennedy Metal Products & Buildings, Inc. | Multiple tier stopping and method of constructing stopping |
US6379084B1 (en) * | 1999-12-17 | 2002-04-30 | Jack Kennedy Metal Products And Buildings, Inc. | Mine stopping |
AU2003200298B2 (en) * | 2002-02-01 | 2006-11-16 | Jack Kennedy Metal Products And Buildings, Inc. | Mine stopping and braces therefor |
US6846132B2 (en) | 2002-02-01 | 2005-01-25 | Jack Kennedy Metal Products & Buildings, Inc. | Mine stopping and braces therefor |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2370853A1 (en) * | 1976-11-10 | 1978-06-09 | Bennes Marrel | Advancing mine roof support - has projecting tool actuated by hydraulic ram acting on arms resting on thrust face |
GB2052615B (en) * | 1979-06-21 | 1983-03-16 | Hemscheidt Maschf Hermann | Hydraulic roof-support frame |
-
1987
- 1987-02-12 FR FR8702337A patent/FR2610986B1/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
FR2610986A1 (en) | 1988-08-19 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
CD | Change of name or company name | ||
TP | Transmission of property | ||
ST | Notification of lapse |