BR7200423D0 - EXPANDABLE ANCHORAGE LEG - Google Patents

EXPANDABLE ANCHORAGE LEG

Info

Publication number
BR7200423D0
BR7200423D0 BR423/72A BR42372A BR7200423D0 BR 7200423 D0 BR7200423 D0 BR 7200423D0 BR 423/72 A BR423/72 A BR 423/72A BR 42372 A BR42372 A BR 42372A BR 7200423 D0 BR7200423 D0 BR 7200423D0
Authority
BR
Brazil
Prior art keywords
expandable
leg
anchorage leg
expandable anchorage
anchorage
Prior art date
Application number
BR423/72A
Other languages
Portuguese (pt)
Inventor
J Hansen
H Hoffmann
Original Assignee
Huygmetaal Nv
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 Huygmetaal Nv filed Critical Huygmetaal Nv
Publication of BR7200423D0 publication Critical patent/BR7200423D0/en

Links

Classifications

    • 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
    • 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
    • F16B13/06—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 combined with expanding sleeve
    • F16B13/063—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 combined with expanding sleeve by the use of an expander
    • F16B13/065—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 combined with expanding sleeve by the use of an expander fastened by extracting the screw, nail or the like

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Dowels (AREA)
BR423/72A 1971-01-27 1972-01-26 EXPANDABLE ANCHORAGE LEG BR7200423D0 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7101034A NL7101034A (en) 1971-01-27 1971-01-27

Publications (1)

Publication Number Publication Date
BR7200423D0 true BR7200423D0 (en) 1973-07-03

Family

ID=19812335

Family Applications (1)

Application Number Title Priority Date Filing Date
BR423/72A BR7200423D0 (en) 1971-01-27 1972-01-26 EXPANDABLE ANCHORAGE LEG

Country Status (6)

Country Link
BR (1) BR7200423D0 (en)
ES (1) ES176487Y (en)
FI (1) FI53243C (en)
IL (1) IL38360A (en)
LU (1) LU64467A1 (en)
NL (1) NL7101034A (en)

Also Published As

Publication number Publication date
FI53243B (en) 1977-11-30
LU64467A1 (en) 1972-06-20
NL7101034A (en) 1972-07-31
ES176487U (en) 1972-08-01
IL38360A (en) 1974-10-22
ES176487Y (en) 1973-03-16
IL38360A0 (en) 1972-02-29
FI53243C (en) 1978-03-10

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