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 sites

Info

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
Application number
FR780955A
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
MECANIQUES IND SOC ATEL
Original Assignee
MECANIQUES IND SOC ATEL
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by MECANIQUES IND SOC ATEL filed Critical MECANIQUES IND SOC ATEL
Priority to FR780955A priority Critical patent/FR1217254A/en
Application granted granted Critical
Publication of FR1217254A publication Critical patent/FR1217254A/en
Expired legal-status Critical Current

Links

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)
FR780955A 1958-12-05 1958-12-05 Improvements made to wedging anchoring devices, in particular those for mine sites Expired FR1217254A (en)

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)

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