FR1217254A - Improvements made to wedging anchoring devices, in particular those for mine sites - Google Patents
Improvements made to wedging anchoring devices, in particular those for mine sitesInfo
- Publication number
- FR1217254A FR1217254A FR780955A FR780955A FR1217254A FR 1217254 A FR1217254 A FR 1217254A FR 780955 A FR780955 A FR 780955A FR 780955 A FR780955 A FR 780955A FR 1217254 A FR1217254 A FR 1217254A
- Authority
- FR
- France
- Prior art keywords
- wedging
- particular those
- improvements made
- anchoring devices
- mine sites
- 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
- 238000004873 anchoring Methods 0.000 title 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B13/00—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose
- F16B13/04—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front
- F16B13/08—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front with separate or non-separate gripping parts moved into their final position in relation to the body of the device without further manual operation
- F16B13/0891—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front with separate or non-separate gripping parts moved into their final position in relation to the body of the device without further manual operation with a locking element, e.g. wedge, key or ball moving along an inclined surface of the dowel body
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D21/00—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection
- E21D21/008—Anchoring or tensioning means
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR780955A FR1217254A (en) | 1958-12-05 | 1958-12-05 | Improvements made to wedging anchoring devices, in particular those for mine sites |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR780955A FR1217254A (en) | 1958-12-05 | 1958-12-05 | Improvements made to wedging anchoring devices, in particular those for mine sites |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1217254A true FR1217254A (en) | 1960-05-03 |
Family
ID=8708989
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR780955A Expired FR1217254A (en) | 1958-12-05 | 1958-12-05 | Improvements made to wedging anchoring devices, in particular those for mine sites |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1217254A (en) |
-
1958
- 1958-12-05 FR FR780955A patent/FR1217254A/en not_active Expired
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