FR1277016A - Improvements made to collars for the clamping connection of profiles in the form of deep gutters, more specifically for retaining frames of galleries or mine corridors - Google Patents
Improvements made to collars for the clamping connection of profiles in the form of deep gutters, more specifically for retaining frames of galleries or mine corridorsInfo
- Publication number
- FR1277016A FR1277016A FR848349A FR848349A FR1277016A FR 1277016 A FR1277016 A FR 1277016A FR 848349 A FR848349 A FR 848349A FR 848349 A FR848349 A FR 848349A FR 1277016 A FR1277016 A FR 1277016A
- Authority
- FR
- France
- Prior art keywords
- galleries
- collars
- profiles
- specifically
- improvements made
- 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
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/14—Lining predominantly with metal
- E21D11/18—Arch members ; Network made of arch members ; Ring elements; Polygon elements; Polygon elements inside arches
- E21D11/22—Clamps or other yieldable means for interconnecting adjacent arch members either rigidly, or allowing arch member parts to slide when subjected to excessive pressure
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR848349A FR1277016A (en) | 1960-12-29 | 1960-12-29 | Improvements made to collars for the clamping connection of profiles in the form of deep gutters, more specifically for retaining frames of galleries or mine corridors |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR848349A FR1277016A (en) | 1960-12-29 | 1960-12-29 | Improvements made to collars for the clamping connection of profiles in the form of deep gutters, more specifically for retaining frames of galleries or mine corridors |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1277016A true FR1277016A (en) | 1961-11-24 |
Family
ID=8745748
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR848349A Expired FR1277016A (en) | 1960-12-29 | 1960-12-29 | Improvements made to collars for the clamping connection of profiles in the form of deep gutters, more specifically for retaining frames of galleries or mine corridors |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1277016A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2441718A1 (en) * | 1978-11-20 | 1980-06-13 | Hoesch Werke Ag | SLIDE FOR A CLAMP JUNCTION IN A COMPRESSIBLE GALLERY SUPPORT |
-
1960
- 1960-12-29 FR FR848349A patent/FR1277016A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2441718A1 (en) * | 1978-11-20 | 1980-06-13 | Hoesch Werke Ag | SLIDE FOR A CLAMP JUNCTION IN A COMPRESSIBLE GALLERY SUPPORT |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR1222640A (en) | Improvements made to mine roof supports, or underground passages or the like, comprising at least one anchor bolt | |
FR1226787A (en) | Improvements made to hydraulic props, in particular for galleries or mine corridors | |
FR1277016A (en) | Improvements made to collars for the clamping connection of profiles in the form of deep gutters, more specifically for retaining frames of galleries or mine corridors | |
FR1248163A (en) | Improvements made to the temporary retaining chambers that follow the felling work, more especially in the mine corridors | |
FR1276634A (en) | Improvements to mine roof supports | |
FR81100E (en) | Improvements made to collars for the clamping connection of profiles in the form of a deep gutter, more specifically for supporting frames of galleries or mine corridors | |
FR1359043A (en) | Improvements made to support frames for galleries or mine corridors | |
FR1174140A (en) | Improvements made to support frames, in steel, for galleries or mine corridors | |
FR1232758A (en) | Improvements made to the support frames or arches for galleries and mine corridors | |
BE591689R (en) | Improvements made to hydraulic props, in particular for galleries or mine corridors | |
FR77878E (en) | Improvements made to hydraulic props, in particular for galleries or mine corridors | |
FR1299443A (en) | Improvements made to retaining frames for mine clearance corridors | |
FR1352831A (en) | Improvements to sliding retaining frames for mine galleries | |
BE578537A (en) | Improvements made to hydraulic props, especially for galleries or mine corridors. | |
FR1232759A (en) | Group of identical profiles in the shape of a deep channel to provide support for mine galleries or corridors, more specifically to form support frames or arches | |
BE581708A (en) | Improvements made to support frames or arches for galleries and mine corridors. | |
BE581729A (en) | Group of identical profiles in the shape of a deep channel to provide support for mine galleries or corridors, more specifically to form support frames or arches. | |
BE611764R (en) | Improvements made to retaining frames for mine clearance corridors | |
FR80824E (en) | Improvements made to retaining frames for mine clearance corridors | |
BE607969A (en) | Improvements made to retaining frames for mine clearance corridors | |
FR1253065A (en) | Improvements in the production by gluing, of insulated or non-insulated rail joints | |
FR1207659A (en) | Support bar, in particular for the roof of timbering of mining galleries | |
FR1280020A (en) | Articulated assembly for mine frames, especially for trapezoidal frames | |
FR1307500A (en) | crew for leveling or lowering galleries, usable in particular in mines | |
FR1262048A (en) | Improvements to annular or curved support frames in several parts for underground mines |